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)
+
+# This gets GDB_AC_TRANSFORM.
+sinclude(transform.m4)
+
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
sinclude(../bfd/bfd.m4)
-dnl This gets the standard macros
+dnl This gets the standard macros.
sinclude(../config/acinclude.m4)
-dnl This gets autoconf bugfixes
+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.
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
+sinclude([../config/zlib.m4])
-if test x"${c_links}" = x"no" ; then
- AC_MSG_ERROR(the native compiler is broken and won't link.)
-fi
-AC_MSG_RESULT(yes)
-])
+m4_include([common/common.m4])
+
+dnl For libiberty_INIT.
+m4_include(libiberty.m4)
+
+dnl For --enable-build-with-cxx and COMPILER.
+m4_include(build-with-cxx.m4)
## ----------------------------------------- ##
## ANSIfy the C compiler whenever possible. ##
## From Franc,ois Pinard ##
## ----------------------------------------- ##
-# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2008, 2009
- Free Software Foundation, Inc.
+# Copyright (C) 1996-2015 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
# serial 1
esac
])
-dnl From Bruno Haible.
+dnl Originally from Bruno Haible, but with some modifications
+dnl for the GDB project.
AC_DEFUN([AM_ICONV],
[
dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
-[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
+ AS_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
for dir in `echo "$withval" | tr : ' '`; do
- if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
- if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; LDFLAGS="$LDFLAGS -L$dir/lib"; fi
+ 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_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
- 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 "$am_cv_use_build_libiconv" = "yes"; then
+ break
+ fi
+ done
+ fi
+
+ # Next, try to find iconv in libc.
if test "$am_cv_func_iconv" != yes; then
- am_save_LIBS="$LIBS"
- LIBS="$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="$am_save_LIBS"
fi
- # Look for libiconv in the build tree.
- if test "$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("","");
am_cv_lib_iconv=yes
am_cv_func_iconv=yes)
LIBS="$am_save_LIBS"
- if test "$am_cv_func_iconv" = "yes"; then
- am_cv_use_build_libiconv=yes
- else
- CPPFLAGS="$am_save_CPPFLAGS"
- fi
+ CPPFLAGS="$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_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
fi
- LIBICONV=
- if test "$am_cv_lib_iconv" = yes; then
- LIBICONV="-liconv"
- fi
- if test "$am_cv_use_build_libiconv" = yes; then
- LIBICONV_LIBDIR="$BUILD_LIBICONV_LIBDIR"
- LIBICONV_INCLUDE="$BUILD_LIBICONV_INCLUDE"
- fi
- AC_SUBST(LIBICONV)
- AC_SUBST(LIBICONV_INCLUDE)
- AC_SUBST(LIBICONV_LIBDIR)
])
dnl written by Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
AC_MSG_RESULT(${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 $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], [[$2]=no])])
+ CFLAGS=$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])
+])