# Keep these includes in sync with the aclocal_m4_deps list in
# Makefile.in.
+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.
+
m4_include(acx_configure_dir.m4)
# This gets GDB_AC_TRANSFORM.
m4_include(transform.m4)
# This gets AM_GDB_WARNINGS.
-m4_include(warning.m4)
+m4_include(../gdbsupport/warning.m4)
# AM_GDB_UBSAN
m4_include(sanitize.m4)
# This gets GDB_AC_SELFTEST.
-m4_include(selftest.m4)
+m4_include(../gdbsupport/selftest.m4)
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
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 For ACX_LARGEFILE.
-m4_include(../config/largefile.m4)
-
-dnl For AM_SET_LEADING_DOT.
-m4_include(../config/lead-dot.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.
-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)
-
-dnl for TCL definitions
-m4_include(../config/tcl.m4)
-
-dnl For dependency tracking macros.
-m4_include([../config/depstand.m4])
-
dnl For AM_LC_MESSAGES
m4_include([../config/lcmessage.m4])
dnl For AM_LANGINFO_CODESET.
m4_include([../config/codeset.m4])
+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])
m4_include([../config/zlib.m4])
-m4_include([gdbsupport/common.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(../gdbsupport/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) 1996-2020 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
-# 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, see <http://www.gnu.org/licenses/>.
-
-# 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
-])
-
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
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})
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])])
+ 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])