dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
-dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
-sinclude(../bfd/bfd.m4)
+# Keep these includes in sync with the aclocal_m4_deps list in
+# Makefile.in.
-dnl This gets the standard macros
-sinclude(../config/acinclude.m4)
+dnl NB: When possible, try to avoid explicit includes of ../config/ files.
+dnl They're normally found by aclocal automatically and recorded in aclocal.m4.
+dnl However, some are kept here explicitly to silence harmless warnings from
+dnl aclocal when it finds AM_xxx macros via local search paths instead of
+dnl system search paths.
-dnl This gets autoconf bugfixes
-sinclude(../config/override.m4)
+m4_include(acx_configure_dir.m4)
-sinclude(../config/gettext-sister.m4)
+# This gets GDB_AC_TRANSFORM.
+m4_include(transform.m4)
-dnl For AC_LIB_HAVE_LINKFLAGS.
-sinclude(../config/lib-ld.m4)
-sinclude(../config/lib-prefix.m4)
-sinclude(../config/lib-link.m4)
+# This gets AM_GDB_WARNINGS.
+m4_include(../gdbsupport/warning.m4)
-dnl For ACX_PKGVERSION and ACX_BUGURL.
-sinclude(../config/acx.m4)
+# AM_GDB_UBSAN
+m4_include(sanitize.m4)
-dnl for TCL definitions
-sinclude(../config/tcl.m4)
+# This gets GDB_AC_SELFTEST.
+m4_include(../gdbsupport/selftest.m4)
-dnl For dependency tracking macros.
-sinclude([../config/depstand.m4])
+dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
+m4_include(../bfd/bfd.m4)
dnl For AM_LC_MESSAGES
-sinclude([../config/lcmessage.m4])
+m4_include([../config/lcmessage.m4])
dnl For AM_LANGINFO_CODESET.
-sinclude([../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/codeset.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 We need to explicitly include these before iconv.m4 to avoid warnings.
+m4_include([../config/lib-ld.m4])
+m4_include([../config/lib-prefix.m4])
+m4_include([../config/lib-link.m4])
+m4_include([../config/iconv.m4])
-## ----------------------------------------- ##
-## ANSIfy the C compiler whenever possible. ##
-## From Franc,ois Pinard ##
-## ----------------------------------------- ##
-
-# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2008, 2009
- 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
-# the Free Software Foundation; either version 2, 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, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
-
-# serial 1
-
-# @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 $ac_arg"
- AC_TRY_COMPILE(
-[#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
- char **p;
- int i;
-{
- return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
- char *s;
- va_list v;
- va_start (v,p);
- s = g (p, va_arg (v,int));
- va_end (v);
- return s;
-}
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-], [
-return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
-],
-[am_cv_prog_cc_stdc="$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 $am_cv_prog_cc_stdc" ;;
-esac
-])
+m4_include([../config/zlib.m4])
-dnl From Bruno Haible.
-
-AC_DEFUN([AM_ICONV],
-[
- dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
- dnl those with the standalone portable GNU libiconv installed).
-
- AC_ARG_WITH([libiconv-prefix],
- AC_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
- for dir in `echo "$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="$am_save_CPPFLAGS"
- fi
- ])
+m4_include([../gdbsupport/common.m4])
- # Set the various flags based on the cache variables. We can't rely
- # on the flags to remain set from the above code, due to caching.
- LIBICONV=
- if test "$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 For libiberty_INIT.
+m4_include(libiberty.m4)
+
+dnl For GDB_AC_PTRACE.
+m4_include(../gdbsupport/ptrace.m4)
+
+m4_include(ax_cxx_compile_stdcxx.m4)
dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
dnl Version 1.3 (2001/03/02)
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")])
+AC_DEFUN(
+ [gcc_AC_CHECK_DECL],
+ [AC_MSG_CHECKING([whether $1 is declared])
+ AC_CACHE_VAL(
+ [gcc_cv_have_decl_$1],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [$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], , :, [$2])
else
fi
if test x"${private_dir}" = x; then
- AC_ERROR(could not find private Tcl headers)
+ AC_MSG_ERROR(could not find private Tcl headers)
else
TCL_PRIVATE_INCLUDE="-I${private_dir}"
AC_MSG_RESULT(${private_dir})
fi
if test x"${private_dir}" = x; then
- AC_ERROR(could not find Tk private headers)
+ AC_MSG_ERROR(could not find Tk private headers)
else
TK_PRIVATE_INCLUDE="-I${private_dir}"
AC_MSG_RESULT(${private_dir})
fi
])
+
+dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
+dnl For use in processing directory values for --with-foo.
+dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
+dnl result is relocatable, then this will define the C macro
+dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
+AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
+ if test "x$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.])
+])
+
+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_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <stdlib.h>
+ #include <string.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