dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
+# Keep these includes in sync with the aclocal_m4_deps list in
+# Makefile.in.
+
+m4_include(acx_configure_dir.m4)
+
+# This gets GDB_AC_TRANSFORM.
+m4_include(transform.m4)
+
+# This gets AM_GDB_WARNINGS.
+m4_include(../gdbsupport/warning.m4)
+
+# AM_GDB_UBSAN
+m4_include(sanitize.m4)
+
+# This gets GDB_AC_SELFTEST.
+m4_include(../gdbsupport/selftest.m4)
+
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
-sinclude(../bfd/bfd.m4)
+m4_include(../bfd/bfd.m4)
+
+dnl This gets the standard macros.
+m4_include(../config/acinclude.m4)
+
+dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE.
+m4_include(../config/plugins.m4)
-dnl This gets the standard macros
-sinclude(../config/acinclude.m4)
+dnl For ACX_LARGEFILE.
+m4_include(../config/largefile.m4)
-dnl This gets autoconf bugfixes
-sinclude(../config/override.m4)
+dnl For AM_SET_LEADING_DOT.
+m4_include(../config/lead-dot.m4)
-sinclude(../config/gettext-sister.m4)
+dnl This gets autoconf bugfixes.
+m4_include(../config/override.m4)
+
+dnl For ZW_GNU_GETTEXT_SISTER_DIR.
+m4_include(../config/gettext-sister.m4)
dnl For AC_LIB_HAVE_LINKFLAGS.
-sinclude(../config/lib-ld.m4)
-sinclude(../config/lib-prefix.m4)
-sinclude(../config/lib-link.m4)
+m4_include(../config/lib-ld.m4)
+m4_include(../config/lib-prefix.m4)
+m4_include(../config/lib-link.m4)
dnl For ACX_PKGVERSION and ACX_BUGURL.
-sinclude(../config/acx.m4)
+m4_include(../config/acx.m4)
dnl for TCL definitions
-sinclude(../config/tcl.m4)
+m4_include(../config/tcl.m4)
dnl For dependency tracking macros.
-sinclude([../config/depstand.m4])
+m4_include([../config/depstand.m4])
dnl For AM_LC_MESSAGES
-sinclude([../config/lcmessage.m4])
+m4_include([../config/lcmessage.m4])
dnl For AM_LANGINFO_CODESET.
-sinclude([../config/codeset.m4])
+m4_include([../config/codeset.m4])
-#
-# Sometimes the native compiler is a bogus stub for gcc or /usr/ucb/cc. This
-# makes configure think it's cross compiling. If --target wasn't used, then
-# we can't configure, so something is wrong. We don't use the cache
-# here cause if somebody fixes their compiler install, we want this to work.
-AC_DEFUN([CY_AC_C_WORKS],
-[# If we cannot compile and link a trivial program, we can't expect anything to work
-AC_MSG_CHECKING(whether the compiler ($CC) actually works)
-AC_TRY_COMPILE(, [/* don't need anything here */],
- c_compiles=yes, c_compiles=no)
-
-AC_TRY_LINK(, [/* don't need anything here */],
- c_links=yes, c_links=no)
-
-if test x"${c_compiles}" = x"no" ; then
- AC_MSG_ERROR(the native compiler is broken and won't compile.)
-fi
+m4_include([../config/iconv.m4])
-if test x"${c_links}" = x"no" ; then
- AC_MSG_ERROR(the native compiler is broken and won't link.)
-fi
-AC_MSG_RESULT(yes)
-])
+m4_include([../config/zlib.m4])
+
+m4_include([../gdbsupport/common.m4])
+
+dnl For libiberty_INIT.
+m4_include(libiberty.m4)
+
+dnl For GDB_AC_PTRACE.
+m4_include(ptrace.m4)
+
+m4_include(ax_cxx_compile_stdcxx.m4)
+
+m4_include([../config/ax_pthread.m4])
## ----------------------------------------- ##
## ANSIfy the C compiler whenever possible. ##
## From Franc,ois Pinard ##
## ----------------------------------------- ##
-# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2008, 2009
- Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
# serial 1
esac
])
-dnl From Bruno Haible.
-
-AC_DEFUN([AM_ICONV],
-[
- dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
- dnl those with the standalone portable GNU libiconv installed).
-
- AC_ARG_WITH([libiconv-prefix],
- AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
- for dir in `echo "$withval" | tr : ' '`; do
- if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; fi
- if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; fi
- done
- ])
-
- BUILD_LIBICONV_LIBDIR="-L../libiconv/lib/.libs -L../libiconv/lib/_libs"
- BUILD_LIBICONV_INCLUDE="-I../libiconv/include"
-
- AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
- am_cv_func_iconv="no, consider installing GNU libiconv"
- am_cv_lib_iconv=no
- am_cv_use_build_libiconv=no
- # First, try to find iconv in libc.
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_func_iconv=yes)
-
- # If iconv was not in libc, try -liconv. In this case, arrange to
- # look in the libiconv prefix, if it was specified by the user.
- if test "$am_cv_func_iconv" != yes; then
- am_save_CPPFLAGS="$CPPFLAGS"
- am_save_LIBS="$LIBS"
- if test -n "$LIBICONV_INCLUDE"; then
- CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE"
- LIBS="$LIBS $LIBICONV_LIBDIR"
- fi
- LIBS="$LIBS -liconv"
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_lib_iconv=yes
- am_cv_func_iconv=yes)
- LIBS="$am_save_LIBS"
- CPPFLAGS="$am_save_CPPFLAGS"
- fi
-
- # If that didn't work, try to find libiconv in the build tree.
- if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then
- am_save_LIBS="$LIBS"
- am_save_CPPFLAGS="$CPPFLAGS"
- LIBS="$LIBS $BUILD_LIBICONV_LIBDIR -liconv"
- CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE"
- AC_TRY_LINK([#include <stdlib.h>
-#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_use_build_libiconv=yes
- am_cv_lib_iconv=yes
- am_cv_func_iconv=yes)
- LIBS="$am_save_LIBS"
- CPPFLAGS="$am_save_CPPFLAGS"
- fi
- ])
-
- # Set the various flags based on the cache variables. We can't rely
- # on the flags to remain set from the above code, due to caching.
- LIBICONV=
- if test "$am_cv_lib_iconv" = yes; then
- LIBICONV="-liconv"
- else
- LIBICONV_LIBDIR=
- LIBICONV_INCLUDE=
- fi
- if test "$am_cv_use_build_libiconv" = yes; then
- LIBICONV_LIBDIR="$BUILD_LIBICONV_LIBDIR"
- LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE"
- fi
- CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE"
- LIBS="$LIBS $LIBICONV_LIBDIR $LIBICONV"
-
- if test "$am_cv_func_iconv" = yes; then
- AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
- AC_MSG_CHECKING([for iconv declaration])
- AC_CACHE_VAL(am_cv_proto_iconv, [
- AC_TRY_COMPILE([
-#include <stdlib.h>
-#include <iconv.h>
-extern
-#ifdef __cplusplus
-"C"
-#endif
-#if defined(__STDC__) || defined(__cplusplus)
-size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
-#else
-size_t iconv();
-#endif
-], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
- am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
- am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
- AC_MSG_RESULT([$]{ac_t:-
- }[$]am_cv_proto_iconv)
- AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
- [Define as const if the declaration of iconv() needs const.])
- fi
-])
-
dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
dnl Version 1.3 (2001/03/02)
dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
fi
])
-dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
-dnl Add a new --with option that defines a directory.
-dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
-dnl on this variable, as is AC_SUBST.
-dnl ARG-NAME is the base name of the argument (without "--with").
-dnl HELP is the help text to use.
-dnl If the user's choice is relative to the prefix, then the
+dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
+dnl For use in processing directory values for --with-foo.
+dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
dnl result is relocatable, then this will define the C macro
dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
-dnl DEFAULT is the default value, which is used if the user
-dnl does not specify the argument.
-AC_DEFUN([GDB_AC_WITH_DIR], [
- AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
- [$1]=$withval], [[$1]=[$4]])
- AC_DEFINE_DIR([$1], [$1], [$3])
- AC_SUBST([$1])
+AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
test_prefix=$exec_prefix
fi
value=0
- case ${ac_define_dir} in
+ case [$3] in
"${test_prefix}"|"${test_prefix}/"*|\
'${exec_prefix}'|'${exec_prefix}/'*)
value=1
;;
esac
AC_DEFINE_UNQUOTED([$1]_RELOCATABLE, $value, [Define if the $2 directory should be relocated when GDB is moved.])
+])
+
+dnl GDB_AC_WITH_DIR([VARIABLE], [ARG-NAME], [HELP], [DEFAULT])
+dnl Add a new --with option that defines a directory.
+dnl The result is stored in VARIABLE. AC_DEFINE_DIR is called
+dnl on this variable, as is AC_SUBST.
+dnl ARG-NAME is the base name of the argument (without "--with").
+dnl HELP is the help text to use.
+dnl If the user's choice is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+dnl DEFAULT is the default value, which is used if the user
+dnl does not specify the argument.
+AC_DEFUN([GDB_AC_WITH_DIR], [
+ AC_ARG_WITH([$2], AS_HELP_STRING([--with-][$2][=PATH], [$3]), [
+ [$1]=$withval], [[$1]=[$4]])
+ AC_DEFINE_DIR([$1], [$1], [$3])
+ AC_SUBST([$1])
+ GDB_AC_DEFINE_RELOCATABLE([$1], [$2], ${ac_define_dir})
+ ])
+
+dnl GDB_AC_CHECK_BFD([MESSAGE], [CV], [CODE], [HEADER])
+dnl Check whether BFD provides a feature.
+dnl MESSAGE is the "checking" message to display.
+dnl CV is the name of the cache variable where the result is stored.
+dnl The result will be "yes" or "no".
+dnl CODE is some code to compile that checks for the feature.
+dnl A link test is run.
+dnl HEADER is the name of an extra BFD header to include.
+AC_DEFUN([GDB_AC_CHECK_BFD], [
+ OLD_CFLAGS=$CFLAGS
+ OLD_LDFLAGS=$LDFLAGS
+ OLD_LIBS=$LIBS
+ # Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
+ # points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
+ # always want our bfd.
+ CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
+ ZLIBDIR=`echo $zlibdir | sed 's,\$(top_builddir)/,,g'`
+ LDFLAGS="-L../bfd -L../libiberty $ZLIBDIR $LDFLAGS"
+ intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
+ LIBS="-lbfd -liberty -lz $intl $LIBS"
+ AC_CACHE_CHECK([$1], [$2],
+ [AC_TRY_LINK(
+ [#include <stdlib.h>
+ #include "bfd.h"
+ #include "$4"
+ ],
+ [return $3;], [[$2]=yes], [[$2]=no])])
+ CFLAGS=$OLD_CFLAGS
+ LDFLAGS=$OLD_LDFLAGS
+ LIBS=$OLD_LIBS])
+
+dnl GDB_GUILE_PROGRAM_NAMES([PKG-CONFIG], [VERSION])
+dnl
+dnl Define and substitute 'GUILD' to contain the absolute file name of
+dnl the 'guild' command for VERSION, using PKG-CONFIG. (This is
+dnl similar to Guile's 'GUILE_PROGS' macro.)
+AC_DEFUN([GDB_GUILE_PROGRAM_NAMES], [
+ AC_CACHE_CHECK([for the absolute file name of the 'guild' command],
+ [ac_cv_guild_program_name],
+ [ac_cv_guild_program_name="`$1 --variable guild $2`"
+
+ # In Guile up to 2.0.11 included, guile-2.0.pc would not define
+ # the 'guild' and 'bindir' variables. In that case, try to guess
+ # what the program name is, at the risk of getting it wrong if
+ # Guile was configured with '--program-suffix' or similar.
+ if test "x$ac_cv_guild_program_name" = "x"; then
+ guile_exec_prefix="`$1 --variable exec_prefix $2`"
+ ac_cv_guild_program_name="$guile_exec_prefix/bin/guild"
+ fi
])
+
+ if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
+ AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable])
+ fi
+
+ GUILD="$ac_cv_guild_program_name"
+ AC_SUBST([GUILD])
+])
+
+dnl GDB_GUILD_TARGET_FLAG
+dnl
+dnl Compute the value of GUILD_TARGET_FLAG.
+dnl For native builds this is empty.
+dnl For cross builds this is --target=<host>.
+AC_DEFUN([GDB_GUILD_TARGET_FLAG], [
+ if test "$cross_compiling" = no; then
+ GUILD_TARGET_FLAG=
+ else
+ GUILD_TARGET_FLAG="--target=$host"
+ fi
+ AC_SUBST(GUILD_TARGET_FLAG)
+])
+
+dnl GDB_TRY_GUILD([SRC-FILE])
+dnl
+dnl We precompile the .scm files and install them with gdb, so make sure
+dnl guild works for this host.
+dnl The .scm files are precompiled for several reasons:
+dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output
+dnl is unnecessarily verbose).
+dnl 2) Make gdb developers see compilation errors/warnings during the build,
+dnl and not leave it to later when the user runs gdb.
+dnl 3) As a convenience for the user, so that one copy of the files is built
+dnl instead of one copy per user.
+dnl
+dnl Make sure guild can handle this host by trying to compile SRC-FILE, and
+dnl setting ac_cv_guild_ok to yes or no.
+dnl Note that guild can handle cross-compilation.
+dnl It could happen that guild can't handle the host, but guile would still
+dnl work. For the time being we're conservative, and if guild doesn't work
+dnl we punt.
+AC_DEFUN([GDB_TRY_GUILD], [
+ AC_REQUIRE([GDB_GUILD_TARGET_FLAG])
+ AC_CACHE_CHECK([whether guild supports this host],
+ [ac_cv_guild_ok],
+ [echo "$ac_cv_guild_program_name compile $GUILD_TARGET_FLAG -o conftest.go $1" >&AS_MESSAGE_LOG_FD
+ if "$ac_cv_guild_program_name" compile $GUILD_TARGET_FLAG -o conftest.go "$1" >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
+ ac_cv_guild_ok=yes
+ else
+ ac_cv_guild_ok=no
+ fi])
+])
projects / deliverable / binutils-gdb.git / blobdiff