dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
+sinclude(acx_configure_dir.m4)
+
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
sinclude(../bfd/bfd.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
-
-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)
-])
+sinclude([../config/zlib.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) 1996-2013 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
# 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.
+dnl Originally from Bruno Haible, but with some modifications
+dnl for the GDB project.
AC_DEFUN([AM_ICONV],
[
done
])
- BUILD_LIBICONV_LIBDIR="-L../libiconv/lib/.libs -L../libiconv/lib/_libs"
+ 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
- # First, try to find iconv in libc.
- AC_TRY_LINK([#include <stdlib.h>
+ 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 $BUILD_LIBICONV_INCLUDE"
+ AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
- [iconv_t cd = iconv_open("","");
- iconv(cd,NULL,NULL,NULL,NULL);
- iconv_close(cd);],
- am_cv_func_iconv=yes)
+ [iconv_t cd = iconv_open("","");
+ iconv(cd,NULL,NULL,NULL,NULL);
+ iconv_close(cd);],
+ am_cv_use_build_libiconv=yes
+ am_cv_build_libiconv_path=$lib_dir/libiconv.a
+ am_cv_lib_iconv=yes
+ am_cv_func_iconv=yes)
+ LIBS="$am_save_LIBS"
+ CPPFLAGS="$am_save_CPPFLAGS"
+ if test "$am_cv_use_build_libiconv" = "yes"; then
+ break
+ fi
+ done
+ fi
- # If iconv was not in libc, try -liconv. In this case, arrange to
- # look in the libiconv prefix, if it was specified by the user.
+ # Next, try to find iconv in libc.
if test "$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"
+ # 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"
- LIBS="$LIBS $BUILD_LIBICONV_LIBDIR -liconv"
- CPPFLAGS="$CPPFLAGS $BUILD_LIBICONV_INCLUDE"
+ am_save_LIBS="$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_use_build_libiconv=yes
am_cv_lib_iconv=yes
am_cv_func_iconv=yes)
LIBS="$am_save_LIBS"
LIBICONV_INCLUDE=
fi
if test "$am_cv_use_build_libiconv" = yes; then
- LIBICONV_LIBDIR="$BUILD_LIBICONV_LIBDIR"
+ LIBICONV="$am_cv_build_libiconv_path"
+ LIBICONV_LIBDIR=""
LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE"
fi
CPPFLAGS="$CPPFLAGS $LIBICONV_INCLUDE"
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"
+ 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
+ LIBS="-ldl $LIBS"
+ 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])
projects / deliverable / binutils-gdb.git / blobdiff