From: Michael Jeanson Date: Tue, 16 Apr 2019 20:43:44 +0000 (-0400) Subject: Update macros from the autoconf archive X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=6333b87b4a41bb73bd21d8f75906ba3c8f666c1d Update macros from the autoconf archive Signed-off-by: Michael Jeanson Signed-off-by: Jérémie Galarneau --- diff --git a/m4/ax_c___attribute__.m4 b/m4/ax_c___attribute__.m4 index cf3d62bbd..6a1ede15e 100644 --- a/m4/ax_c___attribute__.m4 +++ b/m4/ax_c___attribute__.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_c___attribute__.html +# https://www.gnu.org/software/autoconf-archive/ax_c___attribute__.html # =========================================================================== # # SYNOPSIS @@ -28,7 +28,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -43,7 +43,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 8 +#serial 9 AC_DEFUN([AX_C___ATTRIBUTE__], [ AC_CACHE_CHECK([for __attribute__], [ax_cv___attribute__], diff --git a/m4/ax_check_class.m4 b/m4/ax_check_class.m4 index 42b51d72c..e673c2d35 100644 --- a/m4/ax_check_class.m4 +++ b/m4/ax_check_class.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_check_class.html +# https://www.gnu.org/software/autoconf-archive/ax_check_class.html # =========================================================================== # # SYNOPSIS @@ -36,7 +36,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -51,83 +51,18 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 7 +#serial 12 AU_ALIAS([AC_CHECK_CLASS], [AX_CHECK_CLASS]) AC_DEFUN([AX_CHECK_CLASS],[ AC_REQUIRE([AX_PROG_JAVA]) ac_var_name=`echo $1 | sed 's/\./_/g'` -dnl Normaly I'd use a AC_CACHE_CHECK here but since the variable name is +dnl Normally I'd use a AC_CACHE_CHECK here but since the variable name is dnl dynamic I need an extra level of extraction AC_MSG_CHECKING([for $1 class]) AC_CACHE_VAL(ax_cv_class_$ac_var_name, [ -if test x$ac_cv_prog_uudecode_base64 = xyes; then -dnl /** -dnl * Test.java: used to test dynamicaly if a class exists. -dnl */ -dnl public class Test -dnl { -dnl -dnl public static void -dnl main( String[] argv ) -dnl { -dnl Class lib; -dnl if (argv.length < 1) -dnl { -dnl System.err.println ("Missing argument"); -dnl System.exit (77); -dnl } -dnl try -dnl { -dnl lib = Class.forName (argv[0]); -dnl } -dnl catch (ClassNotFoundException e) -dnl { -dnl System.exit (1); -dnl } -dnl lib = null; -dnl System.exit (0); -dnl } -dnl -dnl } -cat << \EOF > Test.uue -begin-base64 644 Test.class -yv66vgADAC0AKQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE -bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 -bWJlclRhYmxlDAAKAAsBAANlcnIBABVMamF2YS9pby9QcmludFN0cmVhbTsJ -AA0ACQcADgEAEGphdmEvbGFuZy9TeXN0ZW0IABABABBNaXNzaW5nIGFyZ3Vt -ZW50DAASABMBAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWCgAV -ABEHABYBABNqYXZhL2lvL1ByaW50U3RyZWFtDAAYABkBAARleGl0AQAEKEkp -VgoADQAXDAAcAB0BAAdmb3JOYW1lAQAlKExqYXZhL2xhbmcvU3RyaW5nOylM -amF2YS9sYW5nL0NsYXNzOwoAHwAbBwAgAQAPamF2YS9sYW5nL0NsYXNzBwAi -AQAgamF2YS9sYW5nL0NsYXNzTm90Rm91bmRFeGNlcHRpb24BAAY8aW5pdD4B -AAMoKVYMACMAJAoAAwAlAQAKU291cmNlRmlsZQEACVRlc3QuamF2YQAhAAEA -AwAAAAAAAgAJAAUABgABAAcAAABtAAMAAwAAACkqvgSiABCyAAwSD7YAFBBN -uAAaKgMyuAAeTKcACE0EuAAaAUwDuAAasQABABMAGgAdACEAAQAIAAAAKgAK -AAAACgAAAAsABgANAA4ADgATABAAEwASAB4AFgAiABgAJAAZACgAGgABACMA -JAABAAcAAAAhAAEAAQAAAAUqtwAmsQAAAAEACAAAAAoAAgAAAAQABAAEAAEA -JwAAAAIAKA== -==== -EOF - if $UUDECODE Test.uue; then - : - else - echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD - echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD - cat Test.uue >&AS_MESSAGE_LOG_FD - ac_cv_prog_uudecode_base64=no - fi - rm -f Test.uue - if AC_TRY_COMMAND($JAVA -classpath ".:$CLASSPATH" $JAVAFLAGS Test $1) >/dev/null 2>&1; then - eval "ac_cv_class_$ac_var_name=yes" - else - eval "ac_cv_class_$ac_var_name=no" - fi - rm -f Test.class -else AX_TRY_COMPILE_JAVA([$1], , [eval "ac_cv_class_$ac_var_name=yes"], [eval "ac_cv_class_$ac_var_name=no"]) -fi eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" eval "HAVE_$ac_var_name=$`echo ac_cv_class_$ac_var_val`" HAVE_LAST_CLASS=$ac_var_val @@ -137,7 +72,7 @@ else ifelse([$3], , :, [$3]) fi ]) -dnl for some reason the above statment didn't fall though here? +dnl for some reason the above statement didn't fall though here? dnl do scripts have variable scoping? eval "ac_var_val=$`eval echo ac_cv_class_$ac_var_name`" AC_MSG_RESULT($ac_var_val) diff --git a/m4/ax_check_classpath.m4 b/m4/ax_check_classpath.m4 index 3c9081a08..e08a253d8 100644 --- a/m4/ax_check_classpath.m4 +++ b/m4/ax_check_classpath.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_check_classpath.html +# https://www.gnu.org/software/autoconf-archive/ax_check_classpath.html # =========================================================================== # # SYNOPSIS @@ -33,7 +33,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -48,7 +48,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 5 +#serial 6 AU_ALIAS([AC_CHECK_CLASSPATH], [AX_CHECK_CLASSPATH]) AC_DEFUN([AX_CHECK_CLASSPATH],[ diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 index 819409a20..03a30ce4c 100644 --- a/m4/ax_check_link_flag.m4 +++ b/m4/ax_check_link_flag.m4 @@ -29,33 +29,12 @@ # Copyright (c) 2008 Guido U. Draheim # Copyright (c) 2011 Maarten Bosmans # -# This program is free software: you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation, either version 3 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see . -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. -#serial 5 +#serial 6 AC_DEFUN([AX_CHECK_LINK_FLAG], [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF diff --git a/m4/ax_check_rqrd_class.m4 b/m4/ax_check_rqrd_class.m4 index 8f14241b1..baa041aca 100644 --- a/m4/ax_check_rqrd_class.m4 +++ b/m4/ax_check_rqrd_class.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_check_rqrd_class.html +# https://www.gnu.org/software/autoconf-archive/ax_check_rqrd_class.html # =========================================================================== # # SYNOPSIS @@ -35,7 +35,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -50,7 +50,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 5 +#serial 6 AU_ALIAS([AC_CHECK_RQRD_CLASS], [AX_CHECK_RQRD_CLASS]) AC_DEFUN([AX_CHECK_RQRD_CLASS],[ diff --git a/m4/ax_compare_version.m4 b/m4/ax_compare_version.m4 index 74dc0fdd9..ffb4997e8 100644 --- a/m4/ax_compare_version.m4 +++ b/m4/ax_compare_version.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_compare_version.html +# https://www.gnu.org/software/autoconf-archive/ax_compare_version.html # =========================================================================== # # SYNOPSIS @@ -79,7 +79,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 11 +#serial 13 dnl ######################################################################### AC_DEFUN([AX_COMPARE_VERSION], [ @@ -146,7 +146,7 @@ x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"` ], [.+],[ AC_WARNING( - [illegal OP numeric parameter: $2]) + [invalid OP numeric parameter: $2]) ],[]) # Pad zeros at end of numbers to make same length. @@ -162,7 +162,7 @@ x$B" | sed 's/^ *//' | sort -r | sed "s/x${A}/true/;s/x${B}/false/;1q"` [ne],[ test "x$A" != "x$B" && ax_compare_version=true ],[ - AC_WARNING([illegal OP parameter: $2]) + AC_WARNING([invalid OP parameter: $2]) ]) ]) diff --git a/m4/ax_config_feature.m4 b/m4/ax_config_feature.m4 new file mode 100644 index 000000000..3c2f2ef27 --- /dev/null +++ b/m4/ax_config_feature.m4 @@ -0,0 +1,156 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_config_feature.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CONFIG_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION, DEFINE, DEFINE-DESCRIPTION, [ACTION-IF-ENABLED [, ACTION-IF-NOT-ENABLED]]) +# +# DESCRIPTION +# +# AX_CONFIG_FEATURE is a simple wrapper for AC_ARG_ENABLE, it enables the +# feature FEATURE-NAME and AC_DEFINEs the passed DEFINE, depending on the +# user choice. DESCRIPTION will be used for AC_DEFINEs. ACTION-IF-ENABLED +# and ACTION-IF-NOT-ENABLED are the actions that will be run. A feature is +# enabled by default, in order to change this behaviour use the +# AX_CONFIG_FEATURE_DEFAULT_ENABLED and AX_CONFIG_FEATURE_DEFAULT_DISABLED +# macros. +# +# A simple example: +# +# AX_CONFIG_FEATURE_DEFAULT_ENABLED +# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support], +# HAVE_XXXXX, [Define if you want XXXXX support]) +# +# ... +# +# AX_CONFIG_FEATURE_DEFAULT_DISABLED +# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support], +# HAVE_YYYYY, [Define if you want YYYYY support], +# [enable_yyyyy="yes"], [enable_yyyyy="no"]) +# AM_CONDITIONAL(YYYYY, [test "$enable_yyyyy" = "yes"]) +# +# AX_CONFIG_FEATURE_DEFAULT_ENABLED +# AX_CONFIG_FEATURE(...) +# +# ... +# +# If you have lot of features and you want a verbose dumping of each user +# selection use AX_CONFIG_FEATURE_VERBOSE. Use AX_CONFIG_FEATURE_SILENT in +# order to remove a previously AX_CONFIG_FEATURE_VERBOSE. By default +# features are silent. +# +# Use AX_CONFIG_FEATURE_ENABLE or AX_CONFIG_FEATURE_DISABLE in order to +# enable or disable a specific feature. +# +# Another simple example: +# +# AS_IF([some_test_here],[AX_CONFIG_FEATURE_ENABLE(feature_xxxxx)],[]) +# +# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support], +# HAVE_XXXXX, [Define if you want XXXXX support]) +# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support], +# HAVE_YYYYY, [Define if you want YYYYY support], +# [enable_yyyyy="yes"], [enable_yyyyy="no"]) +# +# ... +# +# NOTE: AX_CONFIG_FEATURE_ENABLE() must be placed first of the relative +# AX_CONFIG_FEATURE() macro ... +# +# LICENSE +# +# Copyright (c) 2008 Francesco Salvestrini +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 11 + +AC_DEFUN([AX_CONFIG_FEATURE],[ dnl +m4_pushdef([FEATURE], patsubst([$1], -, _))dnl + +AC_ARG_ENABLE([$1],AS_HELP_STRING([--enable-$1],[$2]),[ +case "${enableval}" in + yes) + ax_config_feature_[]FEATURE[]="yes" + ;; + no) + ax_config_feature_[]FEATURE[]="no" + ;; + *) + AC_MSG_ERROR([bad value ${enableval} for feature --$1]) + ;; +esac +]) + +AS_IF([test "$ax_config_feature_[]FEATURE[]" = yes],[ dnl + AC_DEFINE([$3]) + $5 + AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl + AC_MSG_NOTICE([Feature $1 is enabled]) + ]) +],[ dnl + $6 + AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl + AC_MSG_NOTICE([Feature $1 is disabled]) + ]) +]) + +AH_TEMPLATE([$3],[$4]) + +m4_popdef([FEATURE])dnl +]) + +dnl Feature global +AC_DEFUN([AX_CONFIG_FEATURE_VERBOSE],[ dnl + ax_config_feature_verbose=yes +]) + +dnl Feature global +AC_DEFUN([AX_CONFIG_FEATURE_SILENT],[ dnl + ax_config_feature_verbose=no +]) + +dnl Feature specific +AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_ENABLED], [ + ax_config_feature_[]FEATURE[]_default=yes +]) + +dnl Feature specific +AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_DISABLED], [ + ax_config_feature_[]FEATURE[]_default=no +]) + +dnl Feature specific +AC_DEFUN([AX_CONFIG_FEATURE_ENABLE],[ dnl + ax_config_feature_[]patsubst([$1], -, _)[]=yes +]) + +dnl Feature specific +AC_DEFUN([AX_CONFIG_FEATURE_DISABLE],[ dnl + ax_config_feature_[]patsubst([$1], -, _)[]=no +]) diff --git a/m4/ax_have_epoll.m4 b/m4/ax_have_epoll.m4 new file mode 100644 index 000000000..9d9bc8736 --- /dev/null +++ b/m4/ax_have_epoll.m4 @@ -0,0 +1,104 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_have_epoll.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_HAVE_EPOLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# AX_HAVE_EPOLL_PWAIT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# DESCRIPTION +# +# This macro determines whether the system supports the epoll I/O event +# interface. A neat usage example would be: +# +# AX_HAVE_EPOLL( +# [AX_CONFIG_FEATURE_ENABLE(epoll)], +# [AX_CONFIG_FEATURE_DISABLE(epoll)]) +# AX_CONFIG_FEATURE( +# [epoll], [This platform supports epoll(7)], +# [HAVE_EPOLL], [This platform supports epoll(7).]) +# +# The epoll interface was added to the Linux kernel in version 2.5.45, and +# the macro verifies that a kernel newer than this is installed. This +# check is somewhat unreliable if doesn't match the +# running kernel, but it is necessary regardless, because glibc comes with +# stubs for the epoll_create(), epoll_wait(), etc. that allow programs to +# compile and link even if the kernel is too old; the problem would then +# be detected only at runtime. +# +# Linux kernel version 2.6.19 adds the epoll_pwait() call in addition to +# epoll_wait(). The availability of that function can be tested with the +# second macro. Generally speaking, it is safe to assume that +# AX_HAVE_EPOLL would succeed if AX_HAVE_EPOLL_PWAIT has, but not the +# other way round. +# +# LICENSE +# +# Copyright (c) 2008 Peter Simons +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 11 + +AC_DEFUN([AX_HAVE_EPOLL], [dnl + ax_have_epoll_cppflags="${CPPFLAGS}" + AC_CHECK_HEADER([linux/version.h], [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"]) + AC_MSG_CHECKING([for Linux epoll(7) interface]) + AC_CACHE_VAL([ax_cv_have_epoll], [dnl + AC_LINK_IFELSE([dnl + AC_LANG_PROGRAM([dnl +#include +#ifdef HAVE_LINUX_VERSION_H +# include +# if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45) +# error linux kernel version is too old to have epoll +# endif +#endif +], [dnl +int fd, rc; +struct epoll_event ev; +fd = epoll_create(128); +rc = epoll_wait(fd, &ev, 1, 0);])], + [ax_cv_have_epoll=yes], + [ax_cv_have_epoll=no])]) + CPPFLAGS="${ax_have_epoll_cppflags}" + AS_IF([test "${ax_cv_have_epoll}" = "yes"], + [AC_MSG_RESULT([yes]) +$1],[AC_MSG_RESULT([no]) +$2]) +])dnl + +AC_DEFUN([AX_HAVE_EPOLL_PWAIT], [dnl + ax_have_epoll_cppflags="${CPPFLAGS}" + AC_CHECK_HEADER([linux/version.h], + [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"]) + AC_MSG_CHECKING([for Linux epoll(7) interface with signals extension]) + AC_CACHE_VAL([ax_cv_have_epoll_pwait], [dnl + AC_LINK_IFELSE([dnl + AC_LANG_PROGRAM([dnl +#ifdef HAVE_LINUX_VERSION_H +# include +# if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) +# error linux kernel version is too old to have epoll_pwait +# endif +#endif +#include +#include +], [dnl +int fd, rc; +struct epoll_event ev; +fd = epoll_create(128); +rc = epoll_wait(fd, &ev, 1, 0); +rc = epoll_pwait(fd, &ev, 1, 0, (sigset_t const *)(0));])], + [ax_cv_have_epoll_pwait=yes], + [ax_cv_have_epoll_pwait=no])]) + CPPFLAGS="${ax_have_epoll_cppflags}" + AS_IF([test "${ax_cv_have_epoll_pwait}" = "yes"], + [AC_MSG_RESULT([yes]) +$1],[AC_MSG_RESULT([no]) +$2]) +])dnl diff --git a/m4/ax_java_options.m4 b/m4/ax_java_options.m4 index 36c10d922..722d78802 100644 --- a/m4/ax_java_options.m4 +++ b/m4/ax_java_options.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_java_options.html +# https://www.gnu.org/software/autoconf-archive/ax_java_options.html # =========================================================================== # # SYNOPSIS @@ -27,7 +27,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 6 +#serial 7 AU_ALIAS([AC_JAVA_OPTIONS], [AX_JAVA_OPTIONS]) AC_DEFUN([AX_JAVA_OPTIONS],[ diff --git a/m4/ax_jni_include_dir.m4 b/m4/ax_jni_include_dir.m4 index b664d80b8..ae7a5f042 100644 --- a/m4/ax_jni_include_dir.m4 +++ b/m4/ax_jni_include_dir.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html +# https://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html # =========================================================================== # # SYNOPSIS @@ -32,6 +32,10 @@ # # - at the configure level, setenv JAVAC # +# This macro depends on AC_CANONICAL_HOST which requires that config.guess +# and config.sub be distributed along with the source code. See autoconf +# manual for details. +# # Note: This macro can work with the autoconf M4 macros for Java programs. # This particular macro is not part of the original set of macros. # @@ -44,11 +48,13 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 10 +#serial 15 AU_ALIAS([AC_JNI_INCLUDE_DIR], [AX_JNI_INCLUDE_DIR]) AC_DEFUN([AX_JNI_INCLUDE_DIR],[ +AC_REQUIRE([AC_CANONICAL_HOST]) + JNI_INCLUDE_DIRS="" if test "x$JAVA_HOME" != x; then @@ -66,9 +72,17 @@ else fi case "$host_os" in - darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` - _JINC="$_JTOPDIR/Headers";; - *) _JINC="$_JTOPDIR/include";; + darwin*) # Apple Java headers are inside the Xcode bundle. + macos_version=$(sw_vers -productVersion | sed -n -e 's/^@<:@0-9@:>@*.\(@<:@0-9@:>@*\).@<:@0-9@:>@*/\1/p') + if @<:@ "$macos_version" -gt "7" @:>@; then + _JTOPDIR="$(xcrun --show-sdk-path)/System/Library/Frameworks/JavaVM.framework" + _JINC="$_JTOPDIR/Headers" + else + _JTOPDIR="/System/Library/Frameworks/JavaVM.framework" + _JINC="$_JTOPDIR/Headers" + fi + ;; + *) _JINC="$_JTOPDIR/include";; esac _AS_ECHO_LOG([_JTOPDIR=$_JTOPDIR]) _AS_ECHO_LOG([_JINC=$_JINC]) @@ -76,18 +90,27 @@ _AS_ECHO_LOG([_JINC=$_JINC]) # On Mac OS X 10.6.4, jni.h is a symlink: # /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h # -> ../../CurrentJDK/Headers/jni.h. -AC_CHECK_FILE([$_JINC/jni.h], - [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC"], - [_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` - AC_CHECK_FILE([$_JTOPDIR/include/jni.h], - [JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include"], - AC_MSG_ERROR([cannot find JDK header files])) - ]) +AC_CACHE_CHECK(jni headers, ac_cv_jni_header_path, +[ + if test -f "$_JINC/jni.h"; then + ac_cv_jni_header_path="$_JINC" + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path" + else + _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + if test -f "$_JTOPDIR/include/jni.h"; then + ac_cv_jni_header_path="$_JTOPDIR/include" + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path" + else + ac_cv_jni_header_path=none + fi + fi +]) # get the likely subdirectories for system specific java includes case "$host_os" in bsdi*) _JNI_INC_SUBDIRS="bsdos";; freebsd*) _JNI_INC_SUBDIRS="freebsd";; +darwin*) _JNI_INC_SUBDIRS="darwin";; linux*) _JNI_INC_SUBDIRS="linux genunix";; osf*) _JNI_INC_SUBDIRS="alpha";; solaris*) _JNI_INC_SUBDIRS="solaris";; @@ -96,13 +119,15 @@ cygwin*) _JNI_INC_SUBDIRS="win32";; *) _JNI_INC_SUBDIRS="genunix";; esac -# add any subdirectories that are present -for JINCSUBDIR in $_JNI_INC_SUBDIRS -do +if test "x$ac_cv_jni_header_path" != "xnone"; then + # add any subdirectories that are present + for JINCSUBDIR in $_JNI_INC_SUBDIRS + do if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR" fi -done + done +fi ]) # _ACJNI_FOLLOW_SYMLINKS diff --git a/m4/ax_lib_socket_nsl.m4 b/m4/ax_lib_socket_nsl.m4 index 058e97515..54cad68b4 100644 --- a/m4/ax_lib_socket_nsl.m4 +++ b/m4/ax_lib_socket_nsl.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html +# https://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html # =========================================================================== # # SYNOPSIS @@ -28,7 +28,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 6 +#serial 7 AU_ALIAS([LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL]) AC_DEFUN([AX_LIB_SOCKET_NSL], diff --git a/m4/ax_pkg_swig.m4 b/m4/ax_pkg_swig.m4 index e112f3d3f..1d467de3d 100644 --- a/m4/ax_pkg_swig.m4 +++ b/m4/ax_pkg_swig.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_pkg_swig.html +# https://www.gnu.org/software/autoconf-archive/ax_pkg_swig.html # =========================================================================== # # SYNOPSIS @@ -32,9 +32,9 @@ # LICENSE # # Copyright (c) 2008 Sebastian Huber -# Copyright (c) 2008 Alan W. Irwin +# Copyright (c) 2008 Alan W. Irwin # Copyright (c) 2008 Rafael Laboissiere -# Copyright (c) 2008 Andrew Collier +# Copyright (c) 2008 Andrew Collier # Copyright (c) 2011 Murray Cumming # # This program is free software; you can redistribute it and/or modify it @@ -48,7 +48,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -63,11 +63,11 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 8 +#serial 13 AC_DEFUN([AX_PKG_SWIG],[ - # Ubuntu has swig 2.0 as /usr/bin/swig2.0 - AC_PATH_PROGS([SWIG],[swig swig2.0]) + # Find path to the "swig" executable. + AC_PATH_PROGS([SWIG],[swig swig3.0 swig2.0]) if test -z "$SWIG" ; then m4_ifval([$3],[$3],[:]) elif test -n "$1" ; then diff --git a/m4/ax_prog_bison_version.m4 b/m4/ax_prog_bison_version.m4 index 5da478c18..4090332a9 100644 --- a/m4/ax_prog_bison_version.m4 +++ b/m4/ax_prog_bison_version.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_bison_version.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_bison_version.html # =========================================================================== # # SYNOPSIS @@ -34,7 +34,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 2 +#serial 3 AC_DEFUN([AX_PROG_BISON_VERSION],[ AC_REQUIRE([AC_PROG_SED]) diff --git a/m4/ax_prog_flex_version.m4 b/m4/ax_prog_flex_version.m4 index da60e00f5..d518f18ee 100644 --- a/m4/ax_prog_flex_version.m4 +++ b/m4/ax_prog_flex_version.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_flex_version.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_flex_version.html # =========================================================================== # # SYNOPSIS @@ -34,7 +34,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 1 +#serial 2 AC_DEFUN([AX_PROG_FLEX_VERSION],[ AC_REQUIRE([AC_PROG_SED]) diff --git a/m4/ax_prog_jar.m4 b/m4/ax_prog_jar.m4 index 3c60fcaf2..d474912a0 100644 --- a/m4/ax_prog_jar.m4 +++ b/m4/ax_prog_jar.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_jar.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_jar.html # =========================================================================== # # SYNOPSIS @@ -37,7 +37,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 7 +#serial 8 AU_ALIAS([AC_PROG_JAR], [AX_PROG_JAR]) AC_DEFUN([AX_PROG_JAR],[ diff --git a/m4/ax_prog_java.m4 b/m4/ax_prog_java.m4 index 03961db5b..c2e6964e2 100644 --- a/m4/ax_prog_java.m4 +++ b/m4/ax_prog_java.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_java.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_java.html # =========================================================================== # # SYNOPSIS @@ -85,7 +85,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -100,7 +100,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 9 +#serial 10 AU_ALIAS([AC_PROG_JAVA], [AX_PROG_JAVA]) AC_DEFUN([AX_PROG_JAVA],[ diff --git a/m4/ax_prog_java_works.m4 b/m4/ax_prog_java_works.m4 index 54e132afa..bc7052619 100644 --- a/m4/ax_prog_java_works.m4 +++ b/m4/ax_prog_java_works.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_java_works.html # =========================================================================== # # SYNOPSIS @@ -32,7 +32,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -47,57 +47,16 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 9 +#serial 11 AU_ALIAS([AC_PROG_JAVA_WORKS], [AX_PROG_JAVA_WORKS]) AC_DEFUN([AX_PROG_JAVA_WORKS], [ -AC_PATH_PROG(UUDECODE, uudecode, [no]) -if test x$UUDECODE != xno; then -AC_CACHE_CHECK([if uudecode can decode base 64 file], ac_cv_prog_uudecode_base64, [ -dnl /** -dnl * Test.java: used to test if java compiler works. -dnl */ -dnl public class Test -dnl { -dnl -dnl public static void -dnl main( String[] argv ) -dnl { -dnl System.exit (0); -dnl } -dnl -dnl } -cat << \EOF > Test.uue -begin-base64 644 Test.class -yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE -bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 -bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s -YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG -aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB -AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB -AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ= -==== -EOF -if $UUDECODE Test.uue; then - ac_cv_prog_uudecode_base64=yes -else - echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AS_MESSAGE_LOG_FD - echo "configure: failed file was:" >&AS_MESSAGE_LOG_FD - cat Test.uue >&AS_MESSAGE_LOG_FD - ac_cv_prog_uudecode_base64=no -fi -rm -f Test.uue]) -fi -if test x$ac_cv_prog_uudecode_base64 != xyes; then - rm -f Test.class - AC_MSG_WARN([I have to compile Test.class from scratch]) if test x$ac_cv_prog_javac_works = xno; then AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly]) fi if test x$ac_cv_prog_javac_works = x; then AX_PROG_JAVAC fi -fi AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [ JAVA_TEST=Test.java CLASS_TEST=Test.class @@ -111,7 +70,6 @@ public static void main (String args[]) { } } EOF changequote([, ])dnl -if test x$ac_cv_prog_uudecode_base64 != xyes; then if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then : else @@ -119,7 +77,6 @@ if test x$ac_cv_prog_uudecode_base64 != xyes; then cat $JAVA_TEST >&AS_MESSAGE_LOG_FD AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)) fi -fi if AC_TRY_COMMAND($JAVA -classpath . $JAVAFLAGS $TEST) >/dev/null 2>&1; then ac_cv_prog_java_works=yes else @@ -127,7 +84,7 @@ else cat $JAVA_TEST >&AS_MESSAGE_LOG_FD AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?)) fi -rm -fr $JAVA_TEST $CLASS_TEST Test.uue +rm -f $JAVA_TEST $CLASS_TEST ]) AC_PROVIDE([$0])dnl ] diff --git a/m4/ax_prog_javac.m4 b/m4/ax_prog_javac.m4 index d061243cd..8abb733fc 100644 --- a/m4/ax_prog_javac.m4 +++ b/m4/ax_prog_javac.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_javac.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_javac.html # =========================================================================== # # SYNOPSIS @@ -49,7 +49,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -64,7 +64,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 7 +#serial 8 AU_ALIAS([AC_PROG_JAVAC], [AX_PROG_JAVAC]) AC_DEFUN([AX_PROG_JAVAC],[ diff --git a/m4/ax_prog_javac_works.m4 b/m4/ax_prog_javac_works.m4 index 7dfa1e37d..9b48149d8 100644 --- a/m4/ax_prog_javac_works.m4 +++ b/m4/ax_prog_javac_works.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_javac_works.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_javac_works.html # =========================================================================== # # SYNOPSIS @@ -32,7 +32,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -47,7 +47,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 6 +#serial 7 AU_ALIAS([AC_PROG_JAVAC_WORKS], [AX_PROG_JAVAC_WORKS]) AC_DEFUN([AX_PROG_JAVAC_WORKS],[ diff --git a/m4/ax_prog_javah.m4 b/m4/ax_prog_javah.m4 index 2809f29cf..935ec8964 100644 --- a/m4/ax_prog_javah.m4 +++ b/m4/ax_prog_javah.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_prog_javah.html +# https://www.gnu.org/software/autoconf-archive/ax_prog_javah.html # =========================================================================== # # SYNOPSIS @@ -21,7 +21,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 7 +#serial 11 AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH]) AC_DEFUN([AX_PROG_JAVAH],[ @@ -30,18 +30,35 @@ AC_REQUIRE([AC_PROG_CPP])dnl AC_PATH_PROG(JAVAH,javah) AS_IF([test -n "$ac_cv_path_JAVAH"], [ - AC_TRY_CPP([#include ],,[ + AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include ]])],[],[ ac_save_CPPFLAGS="$CPPFLAGS" - ax_prog_javah_bin_dir=`AS_DIRNAME([$ac_cv_path_JAVAH])` - ac_dir="`AS_DIRNAME([$ax_prog_javah_bin])`/include" + _ACJAVAH_FOLLOW_SYMLINKS("$ac_cv_path_JAVAH") + ax_prog_javah_bin_dir=`AS_DIRNAME([$_ACJAVAH_FOLLOWED])` + ac_dir="`AS_DIRNAME([$ax_prog_javah_bin_dir])`/include" AS_CASE([$build_os], - [cygwin*], + [cygwin*|mingw*], [ac_machdep=win32], [ac_machdep=`AS_ECHO($build_os) | sed 's,[[-0-9]].*,,'`]) CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep" - AC_TRY_CPP([#include ], - ac_save_CPPFLAGS="$CPPFLAGS", - AC_MSG_WARN([unable to include ])) + AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include ]])], + [ac_save_CPPFLAGS="$CPPFLAGS"], + [AC_MSG_WARN([unable to include ])]) CPPFLAGS="$ac_save_CPPFLAGS"]) ]) ]) + +AC_DEFUN([_ACJAVAH_FOLLOW_SYMLINKS],[ +# find the include directory relative to the javac executable +_cur="$1" +while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do + AC_MSG_CHECKING([symlink for $_cur]) + _slink=`ls -ld "$_cur" | sed 's/.* -> //'` + case "$_slink" in + /*) _cur="$_slink";; + # 'X' avoids triggering unwanted echo options. + *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";; + esac + AC_MSG_RESULT([$_cur]) +done +_ACJAVAH_FOLLOWED="$_cur" +]) diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4 index d383ad5c6..4920e073b 100644 --- a/m4/ax_pthread.m4 +++ b/m4/ax_pthread.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_pthread.html +# https://www.gnu.org/software/autoconf-archive/ax_pthread.html # =========================================================================== # # SYNOPSIS @@ -19,10 +19,10 @@ # is necessary on AIX to use the special cc_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these flags, -# but also link it with them as well. e.g. you should link with +# but also to link with them as well. For example, you might link with # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # -# If you are only building threads programs, you may wish to use these +# If you are only building threaded programs, you may wish to use these # variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" @@ -30,8 +30,8 @@ # CC="$PTHREAD_CC" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant -# has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name -# (e.g. PTHREAD_CREATE_UNDETACHED on AIX). +# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to +# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). # # Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the # PTHREAD_PRIO_INHERIT symbol is defined when compiling with @@ -67,7 +67,7 @@ # Public License for more details. # # You should have received a copy of the GNU General Public License along -# with this program. If not, see . +# with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure @@ -82,35 +82,40 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 21 +#serial 25 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) AC_DEFUN([AX_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) +AC_REQUIRE([AC_PROG_CC]) +AC_REQUIRE([AC_PROG_SED]) AC_LANG_PUSH([C]) ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). +# requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: -if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then - save_CFLAGS="$CFLAGS" +if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then + ax_pthread_save_CC="$CC" + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"]) CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" - AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) - AC_TRY_LINK_FUNC([pthread_join], [ax_pthread_ok=yes]) + AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS]) + AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes]) AC_MSG_RESULT([$ax_pthread_ok]) - if test x"$ax_pthread_ok" = xno; then + if test "x$ax_pthread_ok" = "xno"; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + CC="$ax_pthread_save_CC" + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" fi # We must check for the threads library under a number of different @@ -123,7 +128,7 @@ fi # which indicates that we try without any flags at all, and "pthread-config" # which is a program returning the flags for the Pth emulation library. -ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" +ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. Some notes on the # individual items follow: @@ -132,82 +137,225 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) -# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) -# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) -# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) -# -pthreads: Solaris/gcc -# -mthreads: Mingw32/gcc, Lynx/gcc +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64 +# (Note: HP C rejects this with "bad form for `-t' option") +# -pthreads: Solaris/gcc (Note: HP C also rejects) # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it -# doesn't hurt to check since this sometimes defines pthreads too; -# also defines -D_REENTRANT) -# ... -mt is also the pthreads flag for HP/aCC +# doesn't hurt to check since this sometimes defines pthreads and +# -D_REENTRANT too), HP C (must be checked before -lpthread, which +# is present but should not be used directly; and before -mthreads, +# because the compiler interprets this as "-mt" + "-hreads") +# -mthreads: Mingw32/gcc, Lynx/gcc # pthread: Linux, etcetera # --thread-safe: KAI C++ # pthread-config: use pthread-config program (for GNU Pth library) -case ${host_os} in +case $host_os in + + freebsd*) + + # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) + # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) + + ax_pthread_flags="-kthread lthread $ax_pthread_flags" + ;; + + hpux*) + + # From the cc(1) man page: "[-mt] Sets various -D flags to enable + # multi-threading and also sets -lpthread." + + ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags" + ;; + + openedition*) + + # IBM z/OS requires a feature-test macro to be defined in order to + # enable POSIX threads at all, so give the user a hint if this is + # not set. (We don't define these ourselves, as they can affect + # other portions of the system API in unpredictable ways.) + + AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING], + [ +# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS) + AX_PTHREAD_ZOS_MISSING +# endif + ], + [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])]) + ;; + solaris*) # On Solaris (at least, for some versions), libc contains stubbed # (non-functional) versions of the pthreads routines, so link-based - # tests will erroneously succeed. (We need to link with -pthreads/-mt/ - # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather - # a function called by this macro, so we could check for that, but - # who knows whether they'll stub that too in a future libc.) So, - # we'll just look for -pthreads and -lpthread first: + # tests will erroneously succeed. (N.B.: The stubs are missing + # pthread_cleanup_push, or rather a function called by this macro, + # so we could check for that, but who knows whether they'll stub + # that too in a future libc.) So we'll check first for the + # standard Solaris way of linking pthreads (-mt -lpthread). + + ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags" + ;; +esac + +# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) - ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" +AS_IF([test "x$GCC" = "xyes"], + [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"]) + +# The presence of a feature test macro requesting re-entrant function +# definitions is, on some systems, a strong hint that pthreads support is +# correctly enabled + +case $host_os in + darwin* | hpux* | linux* | osf* | solaris*) + ax_pthread_check_macro="_REENTRANT" ;; - darwin*) - ax_pthread_flags="-pthread $ax_pthread_flags" + aix*) + ax_pthread_check_macro="_THREAD_SAFE" + ;; + + *) + ax_pthread_check_macro="--" ;; esac +AS_IF([test "x$ax_pthread_check_macro" = "x--"], + [ax_pthread_check_cond=0], + [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"]) + +# Are we compiling with Clang? + +AC_CACHE_CHECK([whether $CC is Clang], + [ax_cv_PTHREAD_CLANG], + [ax_cv_PTHREAD_CLANG=no + # Note that Autoconf sets GCC=yes for Clang as well as GCC + if test "x$GCC" = "xyes"; then + AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG], + [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ +# if defined(__clang__) && defined(__llvm__) + AX_PTHREAD_CC_IS_CLANG +# endif + ], + [ax_cv_PTHREAD_CLANG=yes]) + fi + ]) +ax_pthread_clang="$ax_cv_PTHREAD_CLANG" + +ax_pthread_clang_warning=no + +# Clang needs special handling, because older versions handle the -pthread +# option in a rather... idiosyncratic way + +if test "x$ax_pthread_clang" = "xyes"; then + + # Clang takes -pthread; it has never supported any other flag + + # (Note 1: This will need to be revisited if a system that Clang + # supports has POSIX threads in a separate library. This tends not + # to be the way of modern systems, but it's conceivable.) + + # (Note 2: On some systems, notably Darwin, -pthread is not needed + # to get POSIX threads support; the API is always present and + # active. We could reasonably leave PTHREAD_CFLAGS empty. But + # -pthread does define _REENTRANT, and while the Darwin headers + # ignore this macro, third-party headers might not.) + + PTHREAD_CFLAGS="-pthread" + PTHREAD_LIBS= + + ax_pthread_ok=yes + + # However, older versions of Clang make a point of warning the user + # that, in an invocation where only linking and no compilation is + # taking place, the -pthread option has no effect ("argument unused + # during compilation"). They expect -pthread to be passed in only + # when source code is being compiled. + # + # Problem is, this is at odds with the way Automake and most other + # C build frameworks function, which is that the same flags used in + # compilation (CFLAGS) are also used in linking. Many systems + # supported by AX_PTHREAD require exactly this for POSIX threads + # support, and in fact it is often not straightforward to specify a + # flag that is used only in the compilation phase and not in + # linking. Such a scenario is extremely rare in practice. + # + # Even though use of the -pthread flag in linking would only print + # a warning, this can be a nuisance for well-run software projects + # that build with -Werror. So if the active version of Clang has + # this misfeature, we search for an option to squash it. + + AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread], + [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG], + [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown + # Create an alternate version of $ac_link that compiles and + # links in two steps (.c -> .o, .o -> exe) instead of one + # (.c -> exe), because the warning occurs only in the second + # step + ax_pthread_save_ac_link="$ac_link" + ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g' + ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"` + ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)" + ax_pthread_save_CFLAGS="$CFLAGS" + for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do + AS_IF([test "x$ax_pthread_try" = "xunknown"], [break]) + CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS" + ac_link="$ax_pthread_save_ac_link" + AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], + [ac_link="$ax_pthread_2step_ac_link" + AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], + [break]) + ]) + done + ac_link="$ax_pthread_save_ac_link" + CFLAGS="$ax_pthread_save_CFLAGS" + AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no]) + ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try" + ]) -# Clang doesn't consider unrecognized options an error unless we specify -# -Werror. We throw in some extra Clang-specific options to ensure that -# this doesn't happen for GCC, which also accepts -Werror. + case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in + no | unknown) ;; + *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;; + esac -AC_MSG_CHECKING([if compiler needs -Werror to reject unknown flags]) -save_CFLAGS="$CFLAGS" -ax_pthread_extra_flags="-Werror" -CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument" -AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int foo(void);],[foo()])], - [AC_MSG_RESULT([yes])], - [ax_pthread_extra_flags= - AC_MSG_RESULT([no])]) -CFLAGS="$save_CFLAGS" +fi # $ax_pthread_clang = yes -if test x"$ax_pthread_ok" = xno; then -for flag in $ax_pthread_flags; do +if test "x$ax_pthread_ok" = "xno"; then +for ax_pthread_try_flag in $ax_pthread_flags; do - case $flag in + case $ax_pthread_try_flag in none) AC_MSG_CHECKING([whether pthreads work without any flags]) ;; + -mt,pthread) + AC_MSG_CHECKING([whether pthreads work with -mt -lpthread]) + PTHREAD_CFLAGS="-mt" + PTHREAD_LIBS="-lpthread" + ;; + -*) - AC_MSG_CHECKING([whether pthreads work with $flag]) - PTHREAD_CFLAGS="$flag" + AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag]) + PTHREAD_CFLAGS="$ax_pthread_try_flag" ;; pthread-config) AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) - if test x"$ax_pthread_config" = xno; then continue; fi + AS_IF([test "x$ax_pthread_config" = "xno"], [continue]) PTHREAD_CFLAGS="`pthread-config --cflags`" PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ;; *) - AC_MSG_CHECKING([for the pthreads library -l$flag]) - PTHREAD_LIBS="-l$flag" + AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag]) + PTHREAD_LIBS="-l$ax_pthread_try_flag" ;; esac - save_LIBS="$LIBS" - save_CFLAGS="$CFLAGS" + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we @@ -218,7 +366,11 @@ for flag in $ax_pthread_flags; do # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include +# if $ax_pthread_check_cond +# error "$ax_pthread_check_macro must be defined" +# endif static void routine(void *a) { a = 0; } static void *start_routine(void *a) { return a; }], [pthread_t th; pthread_attr_t attr; @@ -227,16 +379,14 @@ for flag in $ax_pthread_flags; do pthread_attr_init(&attr); pthread_cleanup_push(routine, 0); pthread_cleanup_pop(0) /* ; */])], - [ax_pthread_ok=yes], - []) + [ax_pthread_ok=yes], + []) - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" AC_MSG_RESULT([$ax_pthread_ok]) - if test "x$ax_pthread_ok" = xyes; then - break; - fi + AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) PTHREAD_LIBS="" PTHREAD_CFLAGS="" @@ -244,71 +394,75 @@ done fi # Various other checks: -if test "x$ax_pthread_ok" = xyes; then - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - save_CFLAGS="$CFLAGS" +if test "x$ax_pthread_ok" = "xyes"; then + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. - AC_MSG_CHECKING([for joinable pthread attribute]) - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], - [int attr = $attr; return attr /* ; */])], - [attr_name=$attr; break], - []) - done - AC_MSG_RESULT([$attr_name]) - if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then - AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], [$attr_name], - [Define to necessary symbol if this constant - uses a non-standard name on your system.]) - fi - - AC_MSG_CHECKING([if more special flags are required for pthreads]) - flag=no - case ${host_os} in - aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; - osf* | hpux*) flag="-D_REENTRANT";; - solaris*) - if test "$GCC" = "yes"; then - flag="-D_REENTRANT" - else - # TODO: What about Clang on Solaris? - flag="-mt -D_REENTRANT" - fi - ;; - esac - AC_MSG_RESULT([$flag]) - if test "x$flag" != xno; then - PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" - fi + AC_CACHE_CHECK([for joinable pthread attribute], + [ax_cv_PTHREAD_JOINABLE_ATTR], + [ax_cv_PTHREAD_JOINABLE_ATTR=unknown + for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], + [int attr = $ax_pthread_attr; return attr /* ; */])], + [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break], + []) + done + ]) + AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \ + test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \ + test "x$ax_pthread_joinable_attr_defined" != "xyes"], + [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE], + [$ax_cv_PTHREAD_JOINABLE_ATTR], + [Define to necessary symbol if this constant + uses a non-standard name on your system.]) + ax_pthread_joinable_attr_defined=yes + ]) + + AC_CACHE_CHECK([whether more special flags are required for pthreads], + [ax_cv_PTHREAD_SPECIAL_FLAGS], + [ax_cv_PTHREAD_SPECIAL_FLAGS=no + case $host_os in + solaris*) + ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS" + ;; + esac + ]) + AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \ + test "x$ax_pthread_special_flags_added" != "xyes"], + [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS" + ax_pthread_special_flags_added=yes]) AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], - [ax_cv_PTHREAD_PRIO_INHERIT], [ - AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], - [[int i = PTHREAD_PRIO_INHERIT;]])], - [ax_cv_PTHREAD_PRIO_INHERIT=yes], - [ax_cv_PTHREAD_PRIO_INHERIT=no]) + [ax_cv_PTHREAD_PRIO_INHERIT], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], + [[int i = PTHREAD_PRIO_INHERIT; + return i;]])], + [ax_cv_PTHREAD_PRIO_INHERIT=yes], + [ax_cv_PTHREAD_PRIO_INHERIT=no]) ]) - AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"], - [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])]) + AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \ + test "x$ax_pthread_prio_inherit_defined" != "xyes"], + [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.]) + ax_pthread_prio_inherit_defined=yes + ]) - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" # More AIX lossage: compile with *_r variant - if test "x$GCC" != xyes; then + if test "x$GCC" != "xyes"; then case $host_os in aix*) AS_CASE(["x/$CC"], - [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6], - [#handle absolute path differently from PATH based program lookup - AS_CASE(["x$CC"], - [x/*], - [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])], - [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])]) + [x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6], + [#handle absolute path differently from PATH based program lookup + AS_CASE(["x$CC"], + [x/*], + [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])], + [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])]) ;; esac fi @@ -321,7 +475,7 @@ AC_SUBST([PTHREAD_CFLAGS]) AC_SUBST([PTHREAD_CC]) # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$ax_pthread_ok" = xyes; then +if test "x$ax_pthread_ok" = "xyes"; then ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1]) : else diff --git a/m4/ax_try_compile_java.m4 b/m4/ax_try_compile_java.m4 index a8ed6b2a3..245c36c40 100644 --- a/m4/ax_try_compile_java.m4 +++ b/m4/ax_try_compile_java.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_try_compile_java.html +# https://www.gnu.org/software/autoconf-archive/ax_try_compile_java.html # =========================================================================== # # SYNOPSIS @@ -29,7 +29,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 8 +#serial 10 AU_ALIAS([AC_TRY_COMPILE_JAVA], [AX_TRY_COMPILE_JAVA]) AC_DEFUN([AX_TRY_COMPILE_JAVA],[ @@ -48,8 +48,8 @@ dnl Don't remove the temporary files here, so they can be examined. else echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD cat Test.java >&AS_MESSAGE_LOG_FD -ifelse([$4], , , [ rm -fr Test.java Test.class +ifelse([$4], , , [ rm -f Test.java Test.class $4 ])dnl fi -rm -fr Test.java Test.class]) +rm -f Test.java Test.class]) diff --git a/m4/ax_try_run_java.m4 b/m4/ax_try_run_java.m4 index c680f03f2..2ebb86d6d 100644 --- a/m4/ax_try_run_java.m4 +++ b/m4/ax_try_run_java.m4 @@ -1,5 +1,5 @@ # =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_try_run_java.html +# https://www.gnu.org/software/autoconf-archive/ax_try_run_java.html # =========================================================================== # # SYNOPSIS @@ -29,7 +29,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 2 +#serial 3 AU_ALIAS([AC_TRY_RUN_JAVA], [AX_TRY_RUN_JAVA]) AC_DEFUN([AX_TRY_RUN_JAVA],[ diff --git a/m4/config_feature.m4 b/m4/config_feature.m4 deleted file mode 100644 index db229f241..000000000 --- a/m4/config_feature.m4 +++ /dev/null @@ -1,157 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_config_feature.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CONFIG_FEATURE(FEATURE-NAME, FEATURE-DESCRIPTION, DEFINE, DEFINE-DESCRIPTION, [ACTION-IF-ENABLED [, ACTION-IF-NOT-ENABLED]]) -# -# DESCRIPTION -# -# AX_CONFIG_FEATURE is a simple wrapper for AC_ARG_ENABLE, it enables the -# feature FEATURE-NAME and AC_DEFINEs the passed DEFINE, depending on the -# user choice. DESCRIPTION will be used for AC_DEFINEs. ACTION-IF-ENABLED -# and ACTION-IF-NOT-ENABLED are the actions that will be run. A feature is -# enabled by default, in order to change this behaviour use the -# AX_CONFIG_FEATURE_DEFAULT_ENABLED and AX_CONFIG_FEATURE_DEFAULT_DISABLED -# macros. -# -# A simple example: -# -# AX_CONFIG_FEATURE_DEFAULT_ENABLED -# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support], -# HAVE_XXXXX, [Define if you want XXXXX support]) -# -# ... -# -# AX_CONFIG_FEATURE_DEFAULT_DISABLED -# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support], -# HAVE_YYYYY, [Define if you want YYYYY support], -# [enable_yyyyy="yes"], [enable_yyyyy="no"]) -# AM_CONDITIONAL(YYYYY, [test "$enable_yyyyy" = "yes"]) -# -# AX_CONFIG_FEATURE_DEFAULT_ENABLED -# AX_CONFIG_FEATURE(...) -# -# ... -# -# If you have lot of features and you want a verbose dumping of each user -# selection use AX_CONFIG_FEATURE_VERBOSE. Use AX_CONFIG_FEATURE_SILENT in -# order to remove a previously AX_CONFIG_FEATURE_VERBOSE. By default -# features are silent. -# -# Use AX_CONFIG_FEATURE_ENABLE or AX_CONFIG_FEATURE_DISABLE in order to -# enable or disable a specific feature. -# -# Another simple example: -# -# AS_IF([some_test_here],[AX_CONFIG_FEATURE_ENABLE(feature_xxxxx)],[]) -# -# AX_CONFIG_FEATURE(feature_xxxxx, [turns on/off XXXXX support], -# HAVE_XXXXX, [Define if you want XXXXX support]) -# AX_CONFIG_FEATURE(feature_yyyyy, [turns on/off YYYYY support], -# HAVE_YYYYY, [Define if you want YYYYY support], -# [enable_yyyyy="yes"], [enable_yyyyy="no"]) -# -# ... -# -# NOTE: AX_CONFIG_FEATURE_ENABLE() must be placed first of the relative -# AX_CONFIG_FEATURE() macro ... -# -# LICENSE -# -# Copyright (c) 2008 Francesco Salvestrini -# -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation; either version 2 of the License, or (at your -# option) any later version. -# -# This program is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -# Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program. If not, see . -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 10 - -AC_DEFUN([AX_CONFIG_FEATURE],[ dnl -m4_pushdef([FEATURE], patsubst([$1], -, _))dnl - -AC_ARG_ENABLE([$1],AS_HELP_STRING([--enable-$1],[$2]),[ -case "${enableval}" in - yes) - ax_config_feature_[]FEATURE[]="yes" - ;; - no) - ax_config_feature_[]FEATURE[]="no" - ;; - *) - AC_MSG_ERROR([bad value ${enableval} for feature --$1]) - ;; -esac -]) - -AS_IF([test "$ax_config_feature_[]FEATURE[]" = yes],[ dnl - AC_DEFINE([$3]) - $5 - AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl - AC_MSG_NOTICE([Feature $1 is enabled]) - ]) -],[ dnl - $6 - AS_IF([test "$ax_config_feature_verbose" = yes],[ dnl - AC_MSG_NOTICE([Feature $1 is disabled]) - ]) -]) - -AH_TEMPLATE([$3],[$4]) - -m4_popdef([FEATURE])dnl -]) - -dnl Feature global -AC_DEFUN([AX_CONFIG_FEATURE_VERBOSE],[ dnl - ax_config_feature_verbose=yes -]) - -dnl Feature global -AC_DEFUN([AX_CONFIG_FEATURE_SILENT],[ dnl - ax_config_feature_verbose=no -]) - -dnl Feature specific -AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_ENABLED], [ - ax_config_feature_[]FEATURE[]_default=yes -]) - -dnl Feature specific -AC_DEFUN([AX_CONFIG_FEATURE_DEFAULT_DISABLED], [ - ax_config_feature_[]FEATURE[]_default=no -]) - -dnl Feature specific -AC_DEFUN([AX_CONFIG_FEATURE_ENABLE],[ dnl - ax_config_feature_[]patsubst([$1], -, _)[]=yes -]) - -dnl Feature specific -AC_DEFUN([AX_CONFIG_FEATURE_DISABLE],[ dnl - ax_config_feature_[]patsubst([$1], -, _)[]=no -]) - diff --git a/m4/epoll.m4 b/m4/epoll.m4 deleted file mode 100644 index 6508a2012..000000000 --- a/m4/epoll.m4 +++ /dev/null @@ -1,105 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_have_epoll.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_HAVE_EPOLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# AX_HAVE_EPOLL_PWAIT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) -# -# DESCRIPTION -# -# This macro determines whether the system supports the epoll I/O event -# interface. A neat usage example would be: -# -# AX_HAVE_EPOLL( -# [AX_CONFIG_FEATURE_ENABLE(epoll)], -# [AX_CONFIG_FEATURE_DISABLE(epoll)]) -# AX_CONFIG_FEATURE( -# [epoll], [This platform supports epoll(7)], -# [HAVE_EPOLL], [This platform supports epoll(7).]) -# -# The epoll interface was added to the Linux kernel in version 2.5.45, and -# the macro verifies that a kernel newer than this is installed. This -# check is somewhat unreliable if doesn't match the -# running kernel, but it is necessary regardless, because glibc comes with -# stubs for the epoll_create(), epoll_wait(), etc. that allow programs to -# compile and link even if the kernel is too old; the problem would then -# be detected only at runtime. -# -# Linux kernel version 2.6.19 adds the epoll_pwait() call in addition to -# epoll_wait(). The availability of that function can be tested with the -# second macro. Generally speaking, it is safe to assume that -# AX_HAVE_EPOLL would succeed if AX_HAVE_EPOLL_PWAIT has, but not the -# other way round. -# -# LICENSE -# -# Copyright (c) 2008 Peter Simons -# -# Copying and distribution of this file, with or without modification, are -# permitted in any medium without royalty provided the copyright notice -# and this notice are preserved. This file is offered as-is, without any -# warranty. - -#serial 10 - -AC_DEFUN([AX_HAVE_EPOLL], [dnl - ax_have_epoll_cppflags="${CPPFLAGS}" - AC_CHECK_HEADER([linux/version.h], [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"]) - AC_MSG_CHECKING([for Linux epoll(7) interface]) - AC_CACHE_VAL([ax_cv_have_epoll], [dnl - AC_LINK_IFELSE([dnl - AC_LANG_PROGRAM([dnl -#include -#ifdef HAVE_LINUX_VERSION_H -# include -# if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45) -# error linux kernel version is too old to have epoll -# endif -#endif -], [dnl -int fd, rc; -struct epoll_event ev; -fd = epoll_create(128); -rc = epoll_wait(fd, &ev, 1, 0);])], - [ax_cv_have_epoll=yes], - [ax_cv_have_epoll=no])]) - CPPFLAGS="${ax_have_epoll_cppflags}" - AS_IF([test "${ax_cv_have_epoll}" = "yes"], - [AC_MSG_RESULT([yes]) -$1],[AC_MSG_RESULT([no]) -$2]) -])dnl - -AC_DEFUN([AX_HAVE_EPOLL_PWAIT], [dnl - ax_have_epoll_cppflags="${CPPFLAGS}" - AC_CHECK_HEADER([linux/version.h], - [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"]) - AC_MSG_CHECKING([for Linux epoll(7) interface with signals extension]) - AC_CACHE_VAL([ax_cv_have_epoll_pwait], [dnl - AC_LINK_IFELSE([dnl - AC_LANG_PROGRAM([dnl -#ifdef HAVE_LINUX_VERSION_H -# include -# if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) -# error linux kernel version is too old to have epoll_pwait -# endif -#endif -#include -#include -], [dnl -int fd, rc; -struct epoll_event ev; -fd = epoll_create(128); -rc = epoll_wait(fd, &ev, 1, 0); -rc = epoll_pwait(fd, &ev, 1, 0, (sigset_t const *)(0));])], - [ax_cv_have_epoll_pwait=yes], - [ax_cv_have_epoll_pwait=no])]) - CPPFLAGS="${ax_have_epoll_cppflags}" - AS_IF([test "${ax_cv_have_epoll_pwait}" = "yes"], - [AC_MSG_RESULT([yes]) -$1],[AC_MSG_RESULT([no]) -$2]) -])dnl -