[babeltrace.git] / m4 / ae_lib_elfutils.m4

# SPDX-License-Identifier: MIT
#
# Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
# Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
#
# ae_lib_elfutils.m4 -- Check elfutils version
#
# Check the currently installed version of elfutils by using the
# `_ELFUTILS_PREREQ` macro defined in <elfutils/version.h>.
#
# The cache variable for this test is `ae_cv_lib_elfutils`.
#
# AE_LIB_ELFUTILS(MAJOR_VERSION, MINOR_VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
# ---------------------------------------------------------------------------
AC_DEFUN([AE_LIB_ELFUTILS], [
m4_pushdef([major_version], [$1])
m4_pushdef([minor_version], [$2])
m4_pushdef([true_action], m4_default([$3], [:]))
m4_pushdef([false_action], m4_default(
	[$4], [AC_MSG_ERROR(elfutils >= major_version.minor_version is required)]
))

AC_CACHE_CHECK(
	[for elfutils version >= major_version.minor_version],
	[ae_cv_lib_elfutils], [
	AC_LANG_PUSH([C])
	AC_COMPILE_IFELSE(
		[AC_LANG_SOURCE([
		#include <elfutils/version.h>

		#if (!_ELFUTILS_PREREQ(][]major_version[][, ][]minor_version[][))
		#error "elfutils minimum required version not met."
		#endif

		void main(void) {
			return;
		}
		])],
		[ae_cv_lib_elfutils=yes],
		[ae_cv_lib_elfutils=no]
	)
	AC_LANG_POP([C])
])

AS_IF([test "x$ae_cv_lib_elfutils" = "xyes"], [true_action], [false_action])

m4_popdef([false_action])
m4_popdef([true_action])
m4_popdef([minor_version])
m4_popdef([major_version])
])
Commit	Line	Data
	1	# SPDX-License-Identifier: MIT
	2	#
	3	# Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	4	# Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
	5	#
	6	# ae_lib_elfutils.m4 -- Check elfutils version
	7	#
	8	# Check the currently installed version of elfutils by using the
	9	# `_ELFUTILS_PREREQ` macro defined in <elfutils/version.h>.
	10	#
	11	# The cache variable for this test is `ae_cv_lib_elfutils`.
	12	#
	13	# AE_LIB_ELFUTILS(MAJOR_VERSION, MINOR_VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
	14	# ---------------------------------------------------------------------------
	15	AC_DEFUN([AE_LIB_ELFUTILS], [
	16	m4_pushdef([major_version], [$1])
	17	m4_pushdef([minor_version], [$2])
	18	m4_pushdef([true_action], m4_default([$3], [:]))
	19	m4_pushdef([false_action], m4_default(
	20	[$4], [AC_MSG_ERROR(elfutils >= major_version.minor_version is required)]
	21	))
	22
	23	AC_CACHE_CHECK(
	24	[for elfutils version >= major_version.minor_version],
	25	[ae_cv_lib_elfutils], [
	26	AC_LANG_PUSH([C])
	27	AC_COMPILE_IFELSE(
	28	[AC_LANG_SOURCE([
	29	#include <elfutils/version.h>
	30
	31	#if (!_ELFUTILS_PREREQ(][]major_version[][, ][]minor_version[][))
	32	#error "elfutils minimum required version not met."
	33	#endif
	34
	35	void main(void) {
	36	return;
	37	}
	38	])],
	39	[ae_cv_lib_elfutils=yes],
	40	[ae_cv_lib_elfutils=no]
	41	)
	42	AC_LANG_POP([C])
	43	])
	44
	45	AS_IF([test "x$ae_cv_lib_elfutils" = "xyes"], [true_action], [false_action])
	46
	47	m4_popdef([false_action])
	48	m4_popdef([true_action])
	49	m4_popdef([minor_version])
	50	m4_popdef([major_version])
	51	])