474 lines
15 KiB
Plaintext
474 lines
15 KiB
Plaintext
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.
|
|
|
|
sinclude(acx_configure_dir.m4)
|
|
|
|
# This gets GDB_AC_LIBMCHECK.
|
|
sinclude(libmcheck.m4)
|
|
|
|
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
|
|
sinclude(../bfd/bfd.m4)
|
|
|
|
dnl This gets the standard macros.
|
|
sinclude(../config/acinclude.m4)
|
|
|
|
dnl This gets AC_PLUGINS, needed by ACX_LARGEFILE.
|
|
sinclude(../config/plugins.m4)
|
|
|
|
dnl For ACX_LARGEFILE.
|
|
sinclude(../config/largefile.m4)
|
|
|
|
dnl For AM_SET_LEADING_DOT.
|
|
sinclude(../config/lead-dot.m4)
|
|
|
|
dnl This gets autoconf bugfixes.
|
|
sinclude(../config/override.m4)
|
|
|
|
dnl For ZW_GNU_GETTEXT_SISTER_DIR.
|
|
sinclude(../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)
|
|
|
|
dnl For ACX_PKGVERSION and ACX_BUGURL.
|
|
sinclude(../config/acx.m4)
|
|
|
|
dnl for TCL definitions
|
|
sinclude(../config/tcl.m4)
|
|
|
|
dnl For dependency tracking macros.
|
|
sinclude([../config/depstand.m4])
|
|
|
|
dnl For AM_LC_MESSAGES
|
|
sinclude([../config/lcmessage.m4])
|
|
|
|
dnl For AM_LANGINFO_CODESET.
|
|
sinclude([../config/codeset.m4])
|
|
|
|
sinclude([../config/zlib.m4])
|
|
|
|
## ----------------------------------------- ##
|
|
## ANSIfy the C compiler whenever possible. ##
|
|
## From Franc,ois Pinard ##
|
|
## ----------------------------------------- ##
|
|
|
|
# Copyright (C) 1996-2013 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 $am_cv_prog_cc_stdc" ;;
|
|
esac
|
|
])
|
|
|
|
dnl Originally from Bruno Haible, but with some modifications
|
|
dnl for the GDB project.
|
|
|
|
AC_DEFUN([AM_ICONV],
|
|
[
|
|
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
|
|
dnl those with the standalone portable GNU libiconv installed).
|
|
|
|
AC_ARG_WITH([libiconv-prefix],
|
|
AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
|
|
for dir in `echo "$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_LIBDIRS="../libiconv/lib/.libs ../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
|
|
am_cv_build_libiconv_path=
|
|
|
|
# If libiconv is part of the build tree, then try using it over
|
|
# any system iconv.
|
|
if test -d ../libiconv; then
|
|
for lib_dir in $BUILD_LIBICONV_LIBDIRS; do
|
|
am_save_LIBS="$LIBS"
|
|
am_save_CPPFLAGS="$CPPFLAGS"
|
|
LIBS="$LIBS $lib_dir/libiconv.a"
|
|
CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE"
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <iconv.h>],
|
|
[iconv_t cd = iconv_open("","");
|
|
iconv(cd,NULL,NULL,NULL,NULL);
|
|
iconv_close(cd);],
|
|
am_cv_use_build_libiconv=yes
|
|
am_cv_build_libiconv_path=$lib_dir/libiconv.a
|
|
am_cv_lib_iconv=yes
|
|
am_cv_func_iconv=yes)
|
|
LIBS="$am_save_LIBS"
|
|
CPPFLAGS="$am_save_CPPFLAGS"
|
|
if test "$am_cv_use_build_libiconv" = "yes"; then
|
|
break
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Next, try to find iconv in libc.
|
|
if test "$am_cv_func_iconv" != yes; then
|
|
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)
|
|
fi
|
|
|
|
# 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
|
|
])
|
|
|
|
# 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="$am_cv_build_libiconv_path"
|
|
LIBICONV_LIBDIR=""
|
|
LIBICONV_INCLUDE="$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, $am_cv_proto_iconv_arg1,
|
|
[Define as const if the declaration of iconv() needs const.])
|
|
fi
|
|
])
|
|
|
|
dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
|
|
dnl Version 1.3 (2001/03/02)
|
|
dnl source http://www.gnu.org/software/ac-archive/Miscellaneous/ac_define_dir.html
|
|
|
|
AC_DEFUN([AC_DEFINE_DIR], [
|
|
test "x$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))
|
|
])
|
|
|
|
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
|
|
])dnl
|
|
|
|
dnl Check multiple functions to see whether each needs a declaration.
|
|
dnl Arrange to define HAVE_DECL_<FUNCTION> 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
|
|
])
|
|
|
|
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
|
|
|
|
if test x"${private_dir}" = x; then
|
|
AC_ERROR(could not find private Tcl headers)
|
|
else
|
|
TCL_PRIVATE_INCLUDE="-I${private_dir}"
|
|
AC_MSG_RESULT(${private_dir})
|
|
fi
|
|
])
|
|
|
|
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
|
|
|
|
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(${private_dir})
|
|
fi
|
|
])
|
|
|
|
dnl GDB_AC_DEFINE_RELOCATABLE([VARIABLE], [ARG-NAME], [SHELL-VARIABLE])
|
|
dnl For use in processing directory values for --with-foo.
|
|
dnl If the path in SHELL_VARIABLE is relative to the prefix, then the
|
|
dnl result is relocatable, then this will define the C macro
|
|
dnl VARIABLE_RELOCATABLE to 1; otherwise it is defined as 0.
|
|
AC_DEFUN([GDB_AC_DEFINE_RELOCATABLE], [
|
|
if test "x$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"
|
|
LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
|
|
intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
|
|
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
|
|
if test "$plugins" = "yes"; then
|
|
AC_SEARCH_LIBS(dlopen, dl)
|
|
fi
|
|
LIBS="-lbfd -liberty $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])
|