libabigail/configure.ac
Jan Engelhardt f505d05b3c Add libelf to libabigail.la's linker line
* configure.ac: Check for the existence of libelf at configure
	time by looking at the presence of the elf_end symbol.  Add the
	libelf to the link command line.

Signed-off-by: Jan Engelhardt <jengelh@inai.de>
2014-09-12 11:04:57 +02:00

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m4_define([version_major], [0])
m4_define([version_minor], [1])
m4_define([version_revision],[0])
AC_INIT([libabigail],
[version_major.version_minor.version_revision],
[http://sourceware.org/bugzilla],
[libabigail],
[http://sourceware.org/libabigail])
AC_PREREQ([2.63])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_SRCDIR([README])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.11.1 foreign subdir-objects])
AM_MAINTAINER_MODE([enable])
AM_SILENT_RULES([yes])
VERSION_MAJOR=version_major
VERSION_MINOR=version_minor
VERSION_REVISION=version_revision
AC_SUBST(VERSION_MAJOR)
AC_SUBST(VERSION_MINOR)
AC_SUBST(VERSION_REVISION)
ENABLE_ZIP_ARCHIVE=auto
AC_ARG_ENABLE(zip-archive,
AS_HELP_STRING([--enable-zip-archive=yes|no|auto],
[enable bundling of TUs in zip archives (default is auto)]),
ENABLE_ZIP_ARCHIVE=$enableval,
ENABLE_ZIP_ARCHIVE=auto)
dnl *************************************************
dnl Here is the list of versions of the dependencies
dnl *************************************************
AC_PROG_CXX
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_INSTALL
LT_PREREQ([2.2])
LT_INIT
AC_LANG([C++])
AC_LANG_COMPILER_REQUIRE
dnl Check for dependency: libdw (elfutils)
DW_LIBS=
AC_CHECK_LIB(dw, dwfl_begin, [DW_LIBS=-ldw])
AC_CHECK_HEADER(elfutils/libdwfl.h,
[],
[AC_MSG_ERROR([could not find elfutils/libdwfl.h installed])])
AC_CHECK_LIB([elf], [elf_end], [ELF_LIBS="-lelf"])
AC_CHECK_HEADER([libelf.h],
[],
[AC_MSG_ERROR([could not find libelf.h])])
if test x$DW_LIBS = x; then
AC_MSG_ERROR([could not find elfutils dwarf library installed])
fi
AC_SUBST(DW_LIBS)
AC_SUBST([ELF_LIBS])
dnl Check for dependency: libxml
LIBXML2_VERSION=2.6.22
PKG_CHECK_MODULES(XML, libxml-2.0 >= $LIBXML2_VERSION)
AC_SUBST(LIBXML2_VERSION)
AC_SUBST(XML_LIBS)
AC_SUBST(XML_CFLAGS)
dnl Check for dependency: libzip
LIBZIP_VERSION=0.10
HAS_LIBZIP=no
# The below doesn't seem to work on my box for a reason. Let's write
# the damn thing by hand:
# PKG_CHECK_EXISTS([libzip >= $LIBZIP_VERSION], [HAS_LIBZIP=yes], [HAS_LIBZIP=no])
if $PKG_CONFIG --exists --print-errors "libzip >= $LIBZIP_VERSION"; then
AC_MSG_NOTICE(found libzip version $LIBZIP_VERSION)
HAS_LIBZIP=yes
else
AC_MSG_NOTICE(no libzip >= $LIBZIP_VERSION has been found)
HAS_LIBZIP=no
fi
if test x$ENABLE_ZIP_ARCHIVE = xauto; then
if test x$HAS_LIBZIP = xyes; then
ENABLE_ZIP_ARCHIVE=yes;
else
ENABLE_ZIP_ARCHIVE=no
fi
fi
if test x$ENABLE_ZIP_ARCHIVE = xyes; then
AC_MSG_NOTICE(the zip-archive feature is enabled)
else
AC_MSG_NOTICE(the zip-archive feature is disabled)
fi
FOUND_LIBZIP=no
if test x$ENABLE_ZIP_ARCHIVE = xyes; then
PKG_CHECK_MODULES(LIBZIP, libzip >= $LIBZIP_VERSION)
FOUND_LIBZIP=yes
AC_SUBST(LIBZIP_VERSION)
AC_SUBST(LIBZIP_LIBS)
AC_SUBST(LIBZIP_CFLAGS)
AC_DEFINE([WITH_ZIP_ARCHIVE], 1, [compile the zip archive support])
AC_DEFINE([HAVE_LIBZIP], 1, [Defined to 1 if the libzip library is available])
fi
AM_CONDITIONAL(ENABLE_ZIP_ARCHIVE, test x$ENABLE_ZIP_ARCHIVE = xyes)
DEPS_CPPFLAGS="$XML_CFLAGS $LIBZIP_CFLAGS"
AC_SUBST(DEPS_CPPFLAGS)
DEPS_LIBS="$XML_LIBS $LIBZIP_LIBS $DW_LIBS $ELF_LIBS"
AC_SUBST(DEPS_LIBS)
if test x$ABIGAIL_DEVEL != x; then
CFLAGS="-g -Wall -Wextra -Werror"
CXXFLAGS="-g -Wall -Wextra -Werror"
fi
AC_CONFIG_FILES([Makefile
libabigail.pc
include/Makefile
include/abg-version.h
doc/Makefile
src/Makefile
tools/Makefile
tests/Makefile])
AC_OUTPUT
AC_MSG_NOTICE([
=====================================================================
Libabigail: $VERSION_MAJOR.$VERSION_MINOR.$VERSION_REVISION
=====================================================================
Here is the configuration of the package:
Prefix : ${prefix}
Source code location : ${srcdir}
C Compiler : ${CC}
C++ Compiler : ${CXX}
OPTIONAL FEATURES:
Enable zip archives : ${ENABLE_ZIP_ARCHIVE}
])