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dnl -*- Autoconf -*-
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (C) 2019 Free Software Foundation, Inc.
dnl
dnl This file is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; see the file COPYING. If not see
dnl <http://www.gnu.org/licenses/>.
dnl
AC_PREREQ(2.64)
AC_INIT([libctf library], 1.2.0-pre)
AC_CONFIG_SRCDIR(ctf-impl.h)
AC_CONFIG_MACRO_DIR(../config)
AC_USE_SYSTEM_EXTENSIONS
AM_INIT_AUTOMAKE
# Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_RANLIB
AM_PROG_AR
AC_SYS_LARGEFILE
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
# Figure out what compiler warnings we can enable.
# See config/warnings.m4 for details.
ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wno-narrowing -Wwrite-strings \
-Wmissing-format-attribute], [warn])
ACX_PROG_CC_WARNING_OPTS([-Wstrict-prototypes -Wmissing-prototypes \
-Wold-style-definition], [c_warn])
ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
# Only enable with --enable-werror-always until existing warnings are
# corrected.
ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
AM_MAINTAINER_MODE
ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_libctf_warn_cflags])
AC_FUNC_MMAP
AC_SEARCH_LIBS(dlopen, dl)
# Similar to 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 $LIBS"
AC_CACHE_CHECK([for ELF support in BFD], ac_cv_libctf_bfd_elf,
[AC_TRY_LINK([#include <stdlib.h>
#include "bfd.h"
#include "elf-bfd.h"],
[(void) bfd_section_from_elf_index (NULL, 0);
return 0;],
[ac_cv_libctf_bfd_elf=yes],
[ac_cv_libctf_bfd_elf=no])])
CFLAGS=$OLD_CFLAGS
LDFLAGS=$OLD_LDFLAGS
LIBS=$OLD_LIBS
if test $ac_cv_libctf_bfd_elf = yes; then
AC_DEFINE([HAVE_BFD_ELF], 1,
[Whether libbfd was configured for an ELF target.])
fi
AC_CHECK_HEADERS(byteswap.h)
AC_CHECK_FUNCS(pread)
AC_CONFIG_FILES(Makefile)
AC_CONFIG_HEADERS(config.h)
AC_OUTPUT
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