X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Facinclude.m4;h=852a71c3f18b4a5eced5481ddd5c7fa088f21259;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=d614f2a5383597811b5027760254e3436eb4542a;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/acinclude.m4 b/gdb/acinclude.m4 index d614f2a538..852a71c3f1 100644 --- a/gdb/acinclude.m4 +++ b/gdb/acinclude.m4 @@ -1,861 +1,440 @@ dnl written by Rob Savoye for Cygnus Support dnl major rewriting for Tcl 7.5 by Don Libes +# 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/acinclude.m4) - -dnl This gets the standard macros, like the TCL, TK, etc ones. -sinclude(../config/acinclude.m4) - -dnl CYGNUS LOCAL: This gets the right posix flag for gcc -AC_DEFUN(CY_AC_TCL_LYNX_POSIX, -[AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP]) -AC_MSG_CHECKING([if running LynxOS]) -AC_CACHE_VAL(ac_cv_os_lynx, -[AC_EGREP_CPP(yes, -[/* - * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__" - */ -#if defined(__Lynx__) || defined(Lynx) -yes -#endif -], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)]) -# -if test "$ac_cv_os_lynx" = "yes" ; then - AC_MSG_RESULT(yes) - AC_DEFINE(LYNX) - AC_MSG_CHECKING([whether -mposix or -X is available]) - AC_CACHE_VAL(ac_cv_c_posix_flag, - [AC_TRY_COMPILE(,[ - /* - * This flag varies depending on how old the compiler is. - * -X is for the old "cc" and "gcc" (based on 1.42). - * -mposix is for the new gcc (at least 2.5.8). - */ - #if defined(__GNUC__) && __GNUC__ >= 2 - choke me - #endif - ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")]) - CC="$CC $ac_cv_c_posix_flag" - AC_MSG_RESULT($ac_cv_c_posix_flag) - else - AC_MSG_RESULT(no) -fi -]) +m4_include(../bfd/bfd.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 +dnl This gets the standard macros. +m4_include(../config/acinclude.m4) -if test x"${c_links}" = x"no" ; then - AC_MSG_ERROR(the native compiler is broken and won't link.) -fi -AC_MSG_RESULT(yes) -]) +dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE. +m4_include(../config/plugins.m4) -AC_DEFUN(CY_AC_PATH_TCLH, [ -# -# Ok, lets find the tcl source trees so we can use the headers -# Warning: transition of version 9 to 10 will break this algorithm -# because 10 sorts before 9. We also look for just tcl. We have to -# be careful that we don't match stuff like tclX by accident. -# the alternative search directory is involked by --with-tclinclude -# +dnl For ACX_LARGEFILE. +m4_include(../config/largefile.m4) -no_tcl=true -AC_MSG_CHECKING(for Tcl private headers. dir=${configdir}) -AC_ARG_WITH(tclinclude, [ --with-tclinclude=DIR Directory where tcl private headers are], with_tclinclude=${withval}) -AC_CACHE_VAL(ac_cv_c_tclh,[ -# first check to see if --with-tclinclude was specified -if test x"${with_tclinclude}" != x ; then - if test -f ${with_tclinclude}/tclInt.h ; then - ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)` - elif test -f ${with_tclinclude}/generic/tclInt.h ; then - ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)` - else - AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers]) - fi -fi +dnl For AM_SET_LEADING_DOT. +m4_include(../config/lead-dot.m4) -# next check if it came with Tcl configuration file -if test x"${ac_cv_c_tclconfig}" = x ; then - if test -f $ac_cv_c_tclconfig/../generic/tclInt.h ; then - ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/..; pwd)` - fi -fi +dnl This gets autoconf bugfixes. +m4_include(../config/override.m4) -# next check in private source directory -# -# since ls returns lowest version numbers first, reverse its output -if test x"${ac_cv_c_tclh}" = x ; then - for i in \ - ${srcdir}/../tcl \ - `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` \ - ${srcdir}/../../tcl \ - `ls -dr ${srcdir}/../../tcl[[7-9]]* 2>/dev/null` \ - ${srcdir}/../../../tcl \ - `ls -dr ${srcdir}/../../../tcl[[7-9]]* 2>/dev/null ` ; do - if test -f $i/generic/tclInt.h ; then - ac_cv_c_tclh=`(cd $i/generic; pwd)` - break - fi - done -fi -# finally check in a few common install locations -# -# since ls returns lowest version numbers first, reverse its output -if test x"${ac_cv_c_tclh}" = x ; then - for i in \ - `ls -dr /usr/local/src/tcl[[7-9]]* 2>/dev/null` \ - `ls -dr /usr/local/lib/tcl[[7-9]]* 2>/dev/null` \ - /usr/local/src/tcl \ - /usr/local/lib/tcl \ - ${prefix}/include ; do - if test -f $i/generic/tclInt.h ; then - ac_cv_c_tclh=`(cd $i/generic; pwd)` - break - fi - done -fi -# see if one is installed -if test x"${ac_cv_c_tclh}" = x ; then - AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="") -fi -]) -if test x"${ac_cv_c_tclh}" = x ; then - TCLHDIR="# no Tcl private headers found" - AC_MSG_ERROR([Can't find Tcl private headers]) -fi -if test x"${ac_cv_c_tclh}" != x ; then - no_tcl="" - if test x"${ac_cv_c_tclh}" = x"installed" ; then - AC_MSG_RESULT([is installed]) - TCLHDIR="" - else - AC_MSG_RESULT([found in ${ac_cv_c_tclh}]) - # this hack is cause the TCLHDIR won't print if there is a "-I" in it. - TCLHDIR="-I${ac_cv_c_tclh}" - fi -fi +dnl For ZW_GNU_GETTEXT_SISTER_DIR. +m4_include(../config/gettext-sister.m4) -AC_SUBST(TCLHDIR) -]) +dnl For AC_LIB_HAVE_LINKFLAGS. +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. +m4_include(../config/acx.m4) -AC_DEFUN(CY_AC_PATH_TCLCONFIG, [ -# -# Ok, lets find the tcl configuration -# First, look for one uninstalled. -# the alternative search directory is invoked by --with-tclconfig -# +dnl for TCL definitions +m4_include(../config/tcl.m4) -if test x"${no_tcl}" = x ; then - # we reset no_tcl in case something fails here - no_tcl=true - AC_ARG_WITH(tclconfig, [ --with-tclconfig=DIR Directory containing tcl configuration (tclConfig.sh)], - with_tclconfig=${withval}) - AC_MSG_CHECKING([for Tcl configuration]) - AC_CACHE_VAL(ac_cv_c_tclconfig,[ - - # First check to see if --with-tclconfig was specified. - if test x"${with_tclconfig}" != x ; then - if test -f "${with_tclconfig}/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)` - else - AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh]) - fi - fi +dnl For dependency tracking macros. +m4_include([../config/depstand.m4]) - # then check for a private Tcl installation - if test x"${ac_cv_c_tclconfig}" = x ; then - for i in \ - ../tcl \ - `ls -dr ../tcl[[7-9]]* 2>/dev/null` \ - ../../tcl \ - `ls -dr ../../tcl[[7-9]]* 2>/dev/null` \ - ../../../tcl \ - `ls -dr ../../../tcl[[7-9]]* 2>/dev/null` ; do - if test -f "$i/${configdir}/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_tclconfig}" = x ; then - for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do - if test -f "$i/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few other private locations - if test x"${ac_cv_c_tclconfig}" = x ; then - for i in \ - ${srcdir}/../tcl \ - `ls -dr ${srcdir}/../tcl[[7-9]]* 2>/dev/null` ; do - if test -f "$i/${configdir}/tclConfig.sh" ; then - ac_cv_c_tclconfig=`(cd $i/${configdir}; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_tclconfig}" = x ; then - TCLCONFIG="# no Tcl configs found" - AC_MSG_WARN(Can't find Tcl configuration definitions) - else - no_tcl= - TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh - AC_MSG_RESULT(found $TCLCONFIG) - fi -fi -]) +dnl For AM_LC_MESSAGES +m4_include([../config/lcmessage.m4]) -# Defined as a separate macro so we don't have to cache the values -# from PATH_TCLCONFIG (because this can also be cached). -AC_DEFUN(CY_AC_LOAD_TCLCONFIG, [ - . $TCLCONFIG - - AC_SUBST(TCL_VERSION) - AC_SUBST(TCL_MAJOR_VERSION) - AC_SUBST(TCL_MINOR_VERSION) - AC_SUBST(TCL_CC) - AC_SUBST(TCL_DEFS) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TCL_LIB_FILE) - -dnl don't export, not used outside of configure -dnl AC_SUBST(TCL_LIBS) -dnl not used, don't export to save symbols -dnl AC_SUBST(TCL_PREFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TCL_EXEC_PREFIX) - - AC_SUBST(TCL_SHLIB_CFLAGS) - AC_SUBST(TCL_SHLIB_LD) -dnl don't export, not used outside of configure - AC_SUBST(TCL_SHLIB_LD_LIBS) - AC_SUBST(TCL_SHLIB_SUFFIX) -dnl not used, don't export to save symbols - AC_SUBST(TCL_DL_LIBS) - AC_SUBST(TCL_LD_FLAGS) -dnl don't export, not used outside of configure - AC_SUBST(TCL_LD_SEARCH_FLAGS) - AC_SUBST(TCL_COMPAT_OBJS) - AC_SUBST(TCL_RANLIB) - AC_SUBST(TCL_BUILD_LIB_SPEC) - AC_SUBST(TCL_LIB_SPEC) - AC_SUBST(TCL_LIB_VERSIONS_OK) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TCL_SHARED_LIB_SUFFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TCL_UNSHARED_LIB_SUFFIX) -]) +dnl For AM_LANGINFO_CODESET. +m4_include([../config/codeset.m4]) -# Warning: Tk definitions are very similar to Tcl definitions but -# are not precisely the same. There are a couple of differences, -# so don't do changes to Tcl thinking you can cut and paste it do -# the Tk differences and later simply substitute "Tk" for "Tcl". -# Known differences: -# - Acceptable Tcl major version #s is 7-9 while Tk is 4-9 -# - Searching for Tcl includes looking for tclInt.h, Tk looks for tk.h -# - Computing major/minor versions is different because Tk depends on -# headers to Tcl, Tk, and X. -# - Symbols in tkConfig.sh are different than tclConfig.sh -# - Acceptable for Tk to be missing but not Tcl. - -AC_DEFUN(CY_AC_PATH_TKH, [ -# -# Ok, lets find the tk source trees so we can use the headers -# If the directory (presumably symlink) named "tk" exists, use that one -# in preference to any others. Same logic is used when choosing library -# and again with Tcl. The search order is the best place to look first, then in -# decreasing significance. The loop breaks if the trigger file is found. -# Note the gross little conversion here of srcdir by cd'ing to the found -# directory. This converts the path from a relative to an absolute, so -# recursive cache variables for the path will work right. We check all -# the possible paths in one loop rather than many seperate loops to speed -# things up. -# the alternative search directory is involked by --with-tkinclude -# -no_tk=true -AC_MSG_CHECKING(for Tk private headers) -AC_ARG_WITH(tkinclude, [ --with-tkinclude=DIR Directory where tk private headers are], with_tkinclude=${withval}) -AC_CACHE_VAL(ac_cv_c_tkh,[ -# first check to see if --with-tkinclude was specified -if test x"${with_tkinclude}" != x ; then - if test -f ${with_tkinclude}/tk.h ; then - ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)` - elif test -f ${with_tkinclude}/generic/tk.h ; then - ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)` - else - AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers]) - fi -fi +m4_include([../config/iconv.m4]) -# next check if it came with Tk configuration file -if test x"${ac_cv_c_tkconfig}" = x ; then - if test -f $ac_cv_c_tkconfig/../generic/tk.h ; then - ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/..; pwd)` - fi -fi +m4_include([../config/zlib.m4]) -# next check in private source directory -# -# since ls returns lowest version numbers first, reverse its output -if test x"${ac_cv_c_tkh}" = x ; then - for i in \ - ${srcdir}/../tk \ - `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` \ - ${srcdir}/../../tk \ - `ls -dr ${srcdir}/../../tk[[4-9]]* 2>/dev/null` \ - ${srcdir}/../../../tk \ - `ls -dr ${srcdir}/../../../tk[[4-9]]* 2>/dev/null ` ; do - if test -f $i/generic/tk.h ; then - ac_cv_c_tkh=`(cd $i/generic; pwd)` - break - fi - done -fi -# finally check in a few common install locations -# -# since ls returns lowest version numbers first, reverse its output -if test x"${ac_cv_c_tkh}" = x ; then - for i in \ - `ls -dr /usr/local/src/tk[[4-9]]* 2>/dev/null` \ - `ls -dr /usr/local/lib/tk[[4-9]]* 2>/dev/null` \ - /usr/local/src/tk \ - /usr/local/lib/tk \ - ${prefix}/include ; do - if test -f $i/generic/tk.h ; then - ac_cv_c_tkh=`(cd $i/generic; pwd)` - break - fi - done -fi -# see if one is installed -if test x"${ac_cv_c_tkh}" = x ; then - AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed, ac_cv_c_tkh="") -fi -]) -if test x"${ac_cv_c_tkh}" != x ; then - no_tk="" - if test x"${ac_cv_c_tkh}" = x"installed" ; then - AC_MSG_RESULT([is installed]) - TKHDIR="" - else - AC_MSG_RESULT([found in ${ac_cv_c_tkh}]) - # this hack is cause the TKHDIR won't print if there is a "-I" in it. - TKHDIR="-I${ac_cv_c_tkh}" - fi -else - TKHDIR="# no Tk directory found" - AC_MSG_WARN([Can't find Tk private headers]) - no_tk=true -fi +m4_include([../gdbsupport/common.m4]) -AC_SUBST(TKHDIR) -]) +dnl For libiberty_INIT. +m4_include(libiberty.m4) +dnl For GDB_AC_PTRACE. +m4_include(ptrace.m4) -AC_DEFUN(CY_AC_PATH_TKCONFIG, [ -# -# Ok, lets find the tk configuration -# First, look for one uninstalled. -# the alternative search directory is invoked by --with-tkconfig -# +m4_include(ax_cxx_compile_stdcxx.m4) -if test x"${no_tk}" = x ; then - # we reset no_tk in case something fails here - no_tk=true - AC_ARG_WITH(tkconfig, [ --with-tkconfig=DIR Directory containing tk configuration (tkConfig.sh)], - with_tkconfig=${withval}) - AC_MSG_CHECKING([for Tk configuration]) - AC_CACHE_VAL(ac_cv_c_tkconfig,[ - - # First check to see if --with-tkconfig was specified. - if test x"${with_tkconfig}" != x ; then - if test -f "${with_tkconfig}/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)` - else - AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh]) - fi - fi +m4_include([../config/ax_pthread.m4]) - # then check for a private Tk library - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in \ - ../tk \ - `ls -dr ../tk[[4-9]]* 2>/dev/null` \ - ../../tk \ - `ls -dr ../../tk[[4-9]]* 2>/dev/null` \ - ../../../tk \ - `ls -dr ../../../tk[[4-9]]* 2>/dev/null` ; do - if test -f "$i/${configdir}/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do - if test -f "$i/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few other private locations - if test x"${ac_cv_c_tkconfig}" = x ; then - for i in \ - ${srcdir}/../tk \ - `ls -dr ${srcdir}/../tk[[4-9]]* 2>/dev/null` ; do - if test -f "$i/${configdir}/tkConfig.sh" ; then - ac_cv_c_tkconfig=`(cd $i/${configdir}; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_tkconfig}" = x ; then - TKCONFIG="# no Tk configs found" - AC_MSG_WARN(Can't find Tk configuration definitions) - else - no_tk= - TKCONFIG=${ac_cv_c_tkconfig}/tkConfig.sh - AC_MSG_RESULT(found $TKCONFIG) - fi -fi +## ----------------------------------------- ## +## ANSIfy the C compiler whenever possible. ## +## From Franc,ois Pinard ## +## ----------------------------------------- ## -]) +# Copyright (C) 1996-2020 Free Software Foundation, Inc. -# Defined as a separate macro so we don't have to cache the values -# from PATH_TKCONFIG (because this can also be cached). -AC_DEFUN(CY_AC_LOAD_TKCONFIG, [ - if test -f "$TKCONFIG" ; then - . $TKCONFIG - fi - - AC_SUBST(TK_VERSION) -dnl not actually used, don't export to save symbols -dnl AC_SUBST(TK_MAJOR_VERSION) -dnl AC_SUBST(TK_MINOR_VERSION) - AC_SUBST(TK_DEFS) - -dnl not used, don't export to save symbols - dnl AC_SUBST(TK_LIB_FILE) - -dnl not used outside of configure -dnl AC_SUBST(TK_LIBS) -dnl not used, don't export to save symbols -dnl AC_SUBST(TK_PREFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TK_EXEC_PREFIX) - - AC_SUBST(TK_BUILD_INCLUDES) - AC_SUBST(TK_XINCLUDES) - AC_SUBST(TK_XLIBSW) - AC_SUBST(TK_BUILD_LIB_SPEC) - AC_SUBST(TK_LIB_SPEC) -]) +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. -# check for Itcl headers. +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. -AC_DEFUN(CY_AC_PATH_ITCLCONFIG, [ -# -# Ok, lets find the itcl configuration -# First, look for one uninstalled. -# the alternative search directory is invoked by --with-itclconfig -# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . -if test x"${no_itcl}" = x ; then - # we reset no_itcl in case something fails here - no_itcl=true - AC_ARG_WITH(itclconfig, [ --with-itclconfig Directory containing itcl configuration (itclConfig.sh)], - with_itclconfig=${withval}) - AC_MSG_CHECKING([for Itcl configuration]) - AC_CACHE_VAL(ac_cv_c_itclconfig,[ - - # First check to see if --with-itclconfig was specified. - if test x"${with_itclconfig}" != x ; then - if test -f "${with_itclconfig}/itclConfig.sh" ; then - ac_cv_c_itclconfig=`(cd ${with_itclconfig}; pwd)` - else - AC_MSG_ERROR([${with_itclconfig} directory doesn't contain itclConfig.sh]) - fi - fi +# serial 1 - # then check for a private Itcl library - if test x"${ac_cv_c_itclconfig}" = x ; then - for i in \ - ../itcl/itcl \ - `ls -dr ../itcl[[4-9]]*/itcl 2>/dev/null` \ - ../../itcl \ - `ls -dr ../../itcl[[4-9]]*/itcl 2>/dev/null` \ - ../../../itcl \ - `ls -dr ../../../itcl[[4-9]]*/itcl 2>/dev/null` ; do - if test -f "$i/itclConfig.sh" ; then - ac_cv_c_itclconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_itclconfig}" = x ; then - for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do - if test -f "$i/itclConfig.sh" ; then - ac_cv_c_itclconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few other private locations - if test x"${ac_cv_c_itclconfig}" = x ; then - for i in \ - ${srcdir}/../itcl/itcl \ - `ls -dr ${srcdir}/../itcl[[4-9]]*/itcl 2>/dev/null` ; do - if test -f "$i/itclConfig.sh" ; then - ac_cv_c_itclconfig=`(cd $i; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_itclconfig}" = x ; then - ITCLCONFIG="# no Itcl configs found" - AC_MSG_WARN(Can't find Itcl configuration definitions) - else - no_itcl= - ITCLCONFIG=${ac_cv_c_itclconfig}/itclConfig.sh - AC_MSG_RESULT(found $ITCLCONFIG) - fi +# @defmac AC_PROG_CC_STDC +# @maindex PROG_CC_STDC +# @ovindex CC +# If the C compiler in not in ANSI C mode by default, try to add an option +# to output variable @code{CC} to make it so. This macro tries various +# options that select ANSI C on some system or another. It considers the +# compiler to be in ANSI C mode if it handles function prototypes correctly. +# +# If you use this macro, you should check after calling it whether the C +# compiler has been set to accept ANSI C; if not, the shell variable +# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source +# code in ANSI C, you can make an un-ANSIfied copy of it by using the +# program @code{ansi2knr}, which comes with Ghostscript. +# @end defmac + +AC_DEFUN([AM_PROG_CC_STDC], +[AC_REQUIRE([AC_PROG_CC]) +AC_BEFORE([$0], [AC_C_INLINE]) +AC_BEFORE([$0], [AC_C_CONST]) +dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require +dnl a magic option to avoid problems with ANSI preprocessor commands +dnl like #elif. +dnl FIXME: can't do this because then AC_AIX won't work due to a +dnl circular dependency. +dnl AC_BEFORE([$0], [AC_PROG_CPP]) +AC_MSG_CHECKING([for ${CC-cc} option to accept ANSI C]) +AC_CACHE_VAL(am_cv_prog_cc_stdc, +[am_cv_prog_cc_stdc=no +ac_save_CC="$CC" +# Don't try gcc -ansi; that turns off useful extensions and +# breaks some systems' header files. +# AIX -qlanglvl=ansi +# Ultrix and OSF/1 -std1 +# HP-UX 10.20 and later -Ae +# HP-UX older versions -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + AC_TRY_COMPILE( +[#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +], [ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; +], +[am_cv_prog_cc_stdc="$ac_arg"; break]) +done +CC="$ac_save_CC" +]) +if test -z "$am_cv_prog_cc_stdc"; then + AC_MSG_RESULT([none needed]) +else + AC_MSG_RESULT([$am_cv_prog_cc_stdc]) fi +case "x$am_cv_prog_cc_stdc" in + x|xno) ;; + *) CC="$CC $am_cv_prog_cc_stdc" ;; +esac ]) -# Defined as a separate macro so we don't have to cache the values -# from PATH_ITCLCONFIG (because this can also be cached). -AC_DEFUN(CY_AC_LOAD_ITCLCONFIG, [ - if test -f "$ITCLCONFIG" ; then - . $ITCLCONFIG - fi - - AC_SUBST(ITCL_VERSION) -dnl not actually used, don't export to save symbols -dnl AC_SUBST(ITCL_MAJOR_VERSION) -dnl AC_SUBST(ITCL_MINOR_VERSION) - AC_SUBST(ITCL_DEFS) - -dnl not used, don't export to save symbols - dnl AC_SUBST(ITCL_LIB_FILE) - -dnl not used outside of configure -dnl AC_SUBST(ITCL_LIBS) -dnl not used, don't export to save symbols -dnl AC_SUBST(ITCL_PREFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(ITCL_EXEC_PREFIX) - - AC_SUBST(ITCL_BUILD_INCLUDES) - AC_SUBST(ITCL_BUILD_LIB_SPEC) - AC_SUBST(ITCL_LIB_SPEC) +dnl written by Guido Draheim , original by Alexandre Oliva +dnl Version 1.3 (2001/03/02) +dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html + +AC_DEFUN([AC_DEFINE_DIR], [ + test "x$prefix" = xNONE && prefix="$ac_default_prefix" + test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + ac_define_dir=`eval echo [$]$2` + ac_define_dir=`eval echo [$]ac_define_dir` + ifelse($3, , + AC_DEFINE_UNQUOTED($1, "$ac_define_dir"), + AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3)) ]) -# check for Itcl headers. - -AC_DEFUN(CY_AC_PATH_ITCLH, [ -AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir}) -if test x"${ac_cv_c_itclh}" = x ; then - for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itcl; do - if test -f $i/generic/itcl.h ; then - ac_cv_c_itclh=`(cd $i/generic; pwd)` - break - fi - done -fi -if test x"${ac_cv_c_itclh}" = x ; then - ITCLHDIR="# no Itcl private headers found" - AC_MSG_ERROR([Can't find Itcl private headers]) +dnl See whether we need a declaration for a function. +dnl The result is highly dependent on the INCLUDES passed in, so make sure +dnl to use a different cache variable name in this macro if it is invoked +dnl in a different context somewhere else. +dnl gcc_AC_CHECK_DECL(SYMBOL, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) +AC_DEFUN([gcc_AC_CHECK_DECL], +[AC_MSG_CHECKING([whether $1 is declared]) +AC_CACHE_VAL(gcc_cv_have_decl_$1, +[AC_TRY_COMPILE([$4], +[#ifndef $1 +char *(*pfn) = (char *(*)) $1 ; +#endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) +if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then + AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) +else + AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) fi -if test x"${ac_cv_c_itclh}" != x ; then - ITCLHDIR="-I${ac_cv_c_itclh}" +])dnl + +dnl Check multiple functions to see whether each needs a declaration. +dnl Arrange to define HAVE_DECL_ to 0 or 1 as appropriate. +dnl gcc_AC_CHECK_DECLS(SYMBOLS, +dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) +AC_DEFUN([gcc_AC_CHECK_DECLS], +[for ac_func in $1 +do +changequote(, )dnl + ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` +changequote([, ])dnl +gcc_AC_CHECK_DECL($ac_func, + [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], + [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], +dnl It is possible that the include files passed in here are local headers +dnl which supply a backup declaration for the relevant prototype based on +dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test +dnl will always return success. E.g. see libiberty.h's handling of +dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to +dnl 1 so that any local headers used do not provide their own prototype +dnl during this test. +#undef $ac_tr_decl +#define $ac_tr_decl 1 + $4 +) +done +dnl Automatically generate config.h entries via autoheader. +if test x = y ; then + patsubst(translit([$1], [a-z], [A-Z]), [\w+], + [AC_DEFINE([HAVE_DECL_\&], 1, + [Define to 1 if we found this declaration otherwise define to 0.])])dnl fi -# should always be here -# ITCLLIB="../itcl/itcl/unix/libitcl.a" -AC_SUBST(ITCLHDIR) -#AC_SUBST(ITCLLIB) ]) - -AC_DEFUN(CY_AC_PATH_ITKCONFIG, [ -# -# Ok, lets find the itk configuration -# First, look for one uninstalled. -# the alternative search directory is invoked by --with-itkconfig -# - -if test x"${no_itk}" = x ; then - # we reset no_itk in case something fails here - no_itk=true - AC_ARG_WITH(itkconfig, [ --with-itkconfig Directory containing itk configuration (itkConfig.sh)], - with_itkconfig=${withval}) - AC_MSG_CHECKING([for Itk configuration]) - AC_CACHE_VAL(ac_cv_c_itkconfig,[ - - # First check to see if --with-itkconfig was specified. - if test x"${with_itkconfig}" != x ; then - if test -f "${with_itkconfig}/itkConfig.sh" ; then - ac_cv_c_itkconfig=`(cd ${with_itkconfig}; pwd)` - else - AC_MSG_ERROR([${with_itkconfig} directory doesn't contain itkConfig.sh]) - fi +dnl Find the location of the private Tcl headers +dnl When Tcl is installed, this is TCL_INCLUDE_SPEC/tcl-private/generic +dnl When Tcl is in the build tree, this is not needed. +dnl +dnl Note: you must use first use SC_LOAD_TCLCONFIG! +AC_DEFUN([CY_AC_TCL_PRIVATE_HEADERS], [ + AC_MSG_CHECKING([for Tcl private headers]) + private_dir="" + dir=`echo ${TCL_INCLUDE_SPEC}/tcl-private/generic | sed -e s/-I//` + if test -f ${dir}/tclInt.h ; then + private_dir=${dir} fi - # then check for a private Itk library - if test x"${ac_cv_c_itkconfig}" = x ; then - for i in \ - ../itcl/itk \ - `ls -dr ../itcl[[4-9]]*/itk 2>/dev/null` \ - ../../itk \ - `ls -dr ../../itcl[[4-9]]*/itk 2>/dev/null` \ - ../../../itk \ - `ls -dr ../../../itcl[[4-9]]*/itk 2>/dev/null` ; do - if test -f "$i/itkConfig.sh" ; then - ac_cv_c_itkconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_itkconfig}" = x ; then - for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do - if test -f "$i/itkConfig.sh" ; then - ac_cv_c_itkconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few other private locations - if test x"${ac_cv_c_itkconfig}" = x ; then - for i in \ - ${srcdir}/../itcl/itk \ - `ls -dr ${srcdir}/../itcl[[4-9]]*/itk 2>/dev/null` ; do - if test -f "$i/itkConfig.sh" ; then - ac_cv_c_itkconfig=`(cd $i; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_itkconfig}" = x ; then - ITKCONFIG="# no Itk configs found" - AC_MSG_WARN(Can't find Itk configuration definitions) + if test x"${private_dir}" = x; then + AC_ERROR(could not find private Tcl headers) else - no_itk= - ITKCONFIG=${ac_cv_c_itkconfig}/itkConfig.sh - AC_MSG_RESULT(found $ITKCONFIG) + TCL_PRIVATE_INCLUDE="-I${private_dir}" + AC_MSG_RESULT(${private_dir}) fi -fi - ]) -# Defined as a separate macro so we don't have to cache the values -# from PATH_ITKCONFIG (because this can also be cached). -AC_DEFUN(CY_AC_LOAD_ITKCONFIG, [ - if test -f "$ITKCONFIG" ; then - . $ITKCONFIG - fi - - AC_SUBST(ITK_VERSION) -dnl not actually used, don't export to save symbols -dnl AC_SUBST(ITK_MAJOR_VERSION) -dnl AC_SUBST(ITK_MINOR_VERSION) - AC_SUBST(ITK_DEFS) - -dnl not used, don't export to save symbols - dnl AC_SUBST(ITK_LIB_FILE) - -dnl not used outside of configure -dnl AC_SUBST(ITK_LIBS) -dnl not used, don't export to save symbols -dnl AC_SUBST(ITK_PREFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(ITK_EXEC_PREFIX) - - AC_SUBST(ITK_BUILD_INCLUDES) - AC_SUBST(ITK_BUILD_LIB_SPEC) - AC_SUBST(ITK_LIB_SPEC) -]) +dnl Find the location of the private Tk headers +dnl When Tk is installed, this is TK_INCLUDE_SPEC/tk-private/generic +dnl When Tk is in the build tree, this not needed. +dnl +dnl Note: you must first use SC_LOAD_TKCONFIG +AC_DEFUN([CY_AC_TK_PRIVATE_HEADERS], [ + AC_MSG_CHECKING([for Tk private headers]) + private_dir="" + dir=`echo ${TK_INCLUDE_SPEC}/tk-private/generic | sed -e s/-I//` + if test -f ${dir}/tkInt.h; then + private_dir=${dir} + fi -AC_DEFUN(CY_AC_PATH_ITKH, [ -AC_MSG_CHECKING(for Itk private headers. srcdir=${srcdir}) -if test x"${ac_cv_c_itkh}" = x ; then - for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ${srcdir}/../itcl/itk; do - if test -f $i/generic/itk.h ; then - ac_cv_c_itkh=`(cd $i/generic; pwd)` - break - fi - done -fi -if test x"${ac_cv_c_itkh}" = x ; then - ITKHDIR="# no Itk private headers found" - AC_MSG_ERROR([Can't find Itk private headers]) -fi -if test x"${ac_cv_c_itkh}" != x ; then - ITKHDIR="-I${ac_cv_c_itkh}" -fi -# should always be here -# ITKLIB="../itcl/itk/unix/libitk.a" -AC_SUBST(ITKHDIR) -#AC_SUBST(ITKLIB) + if test x"${private_dir}" = x; then + AC_ERROR(could not find Tk private headers) + else + TK_PRIVATE_INCLUDE="-I${private_dir}" + AC_MSG_RESULT(${private_dir}) + fi ]) -# check for Tix headers. - -AC_DEFUN(CY_AC_PATH_TIXH, [ -AC_MSG_CHECKING(for Tix private headers. srcdir=${srcdir}) -if test x"${ac_cv_c_tixh}" = x ; then - for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do - if test -f $i/generic/tix.h ; then - ac_cv_c_tixh=`(cd $i/generic; pwd)` - break - fi - done -fi -if test x"${ac_cv_c_tixh}" = x ; then - TIXHDIR="# no Tix private headers found" - AC_MSG_ERROR([Can't find Tix private headers]) -fi -if test x"${ac_cv_c_tixh}" != x ; then - TIXHDIR="-I${ac_cv_c_tixh}" -fi -AC_SUBST(TIXHDIR) +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. +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 + else + test_prefix=$prefix + fi + else + test_prefix=$exec_prefix + fi + value=0 + 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.]) ]) -AC_DEFUN(CY_AC_PATH_TIXCONFIG, [ -# -# Ok, lets find the tix configuration -# First, look for one uninstalled. -# the alternative search directory is invoked by --with-itkconfig -# +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], ${ac_define_dir}) + ]) -if test x"${no_tix}" = x ; then - # we reset no_tix in case something fails here - no_tix=true - AC_ARG_WITH(tixconfig, [ --with-tixconfig Directory containing tix configuration (tixConfig.sh)], - with_tixconfig=${withval}) - AC_MSG_CHECKING([for Tix configuration]) - AC_CACHE_VAL(ac_cv_c_tixconfig,[ - - # First check to see if --with-tixconfig was specified. - if test x"${with_tixconfig}" != x ; then - if test -f "${with_tixconfig}/tixConfig.sh" ; then - ac_cv_c_tixconfig=`(cd ${with_tixconfig}; pwd)` - else - AC_MSG_ERROR([${with_tixconfig} directory doesn't contain tixConfig.sh]) - fi - fi +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 + #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 + ]) - # then check for a private Tix library - if test x"${ac_cv_c_tixconfig}" = x ; then - for i in \ - ../tix \ - `ls -dr ../tix 2>/dev/null` \ - ../../tix \ - `ls -dr ../../tix 2>/dev/null` \ - ../../../tix \ - `ls -dr ../../../tix 2>/dev/null` ; do - echo "**** Looking at $i - with ${configdir}" - if test -f "$i/tixConfig.sh" ; then - ac_cv_c_tixconfig=`(cd $i; pwd)` - break - fi - done - fi - # check in a few common install locations - if test x"${ac_cv_c_tixconfig}" = x ; then - for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do - echo "**** Looking at $i" - if test -f "$i/tixConfig.sh" ; then - ac_cv_c_tixconfig=`(cd $i; pwd)` - break - fi - done + if ! "$ac_cv_guild_program_name" --version >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then + AC_MSG_ERROR(['$ac_cv_guild_program_name' appears to be unusable]) fi - # check in a few other private locations - echo "**** Other private locations" - if test x"${ac_cv_c_tixconfig}" = x ; then - for i in \ - ${srcdir}/../tix \ - `ls -dr ${srcdir}/../tix 2>/dev/null` ; do - echo "**** Looking at $i - with ${configdir}" - if test -f "$i/${configdir}/tixConfig.sh" ; then - ac_cv_c_tixconfig=`(cd $i/${configdir}; pwd)` - break - fi - done - fi - ]) - if test x"${ac_cv_c_tixconfig}" = x ; then - TIXCONFIG="# no Tix configs found" - AC_MSG_WARN(Can't find Tix configuration definitions) + + GUILD="$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=. +AC_DEFUN([GDB_GUILD_TARGET_FLAG], [ + if test "$cross_compiling" = no; then + GUILD_TARGET_FLAG= else - no_tix= - TIXCONFIG=${ac_cv_c_tixconfig}/tixConfig.sh - AC_MSG_RESULT(found $TIXCONFIG) + GUILD_TARGET_FLAG="--target=$host" fi -fi - + AC_SUBST(GUILD_TARGET_FLAG) ]) -# Defined as a separate macro so we don't have to cache the values -# from PATH_TIXCONFIG (because this can also be cached). -AC_DEFUN(CY_AC_LOAD_TIXCONFIG, [ - if test -f "$TIXCONFIG" ; then - . $TIXCONFIG - fi - - AC_SUBST(TIX_VERSION) -dnl not actually used, don't export to save symbols -dnl AC_SUBST(TIX_MAJOR_VERSION) -dnl AC_SUBST(TIX_MINOR_VERSION) -dnl AC_SUBST(TIX_DEFS) - -dnl not used, don't export to save symbols -dnl dnl AC_SUBST(TIX_LIB_FILE) - -dnl not used outside of configure -dnl AC_SUBST(TIX_LIBS) -dnl not used, don't export to save symbols -dnl AC_SUBST(TIX_PREFIX) - -dnl not used, don't export to save symbols -dnl AC_SUBST(TIX_EXEC_PREFIX) - -dnl AC_SUBST(TIX_BUILD_INCLUDES) - AC_SUBST(TIX_BUILD_LIB_SPEC) -dnl AC_SUBST(TIX_LIB_SPEC) +dnl GDB_TRY_GUILD([SRC-FILE]) +dnl +dnl We precompile the .scm files and install them with gdb, so make sure +dnl guild works for this host. +dnl The .scm files are precompiled for several reasons: +dnl 1) To silence Guile during gdb startup (Guile's auto-compilation output +dnl is unnecessarily verbose). +dnl 2) Make gdb developers see compilation errors/warnings during the build, +dnl and not leave it to later when the user runs gdb. +dnl 3) As a convenience for the user, so that one copy of the files is built +dnl instead of one copy per user. +dnl +dnl Make sure guild can handle this host by trying to compile SRC-FILE, and +dnl setting ac_cv_guild_ok to yes or no. +dnl Note that guild can handle cross-compilation. +dnl It could happen that guild can't handle the host, but guile would still +dnl work. For the time being we're conservative, and if guild doesn't work +dnl we punt. +AC_DEFUN([GDB_TRY_GUILD], [ + AC_REQUIRE([GDB_GUILD_TARGET_FLAG]) + AC_CACHE_CHECK([whether guild supports this host], + [ac_cv_guild_ok], + [echo "$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]) ])