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0235b0db | 1 | # SPDX-License-Identifier: MIT |
d3298a55 | 2 | # |
0235b0db | 3 | # Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
d3298a55 | 4 | # |
0235b0db | 5 | # bt_lib_elfutils.m4 -- Check elfutils version |
d3298a55 JG |
6 | # |
7 | # Check the currently installed version of elfutils by using the | |
ffa3b3ba PP |
8 | # `_ELFUTILS_PREREQ` macro defined in <elfutils/version.h>. |
9 | # | |
10 | # The cache variable for this test is `bt_cv_lib_elfutils`. | |
d3298a55 | 11 | # |
b04abc0d | 12 | # BT_LIB_ELFUTILS(MAJOR_VERSION, MINOR_VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) |
d3298a55 | 13 | # --------------------------------------------------------------------------- |
b04abc0d | 14 | AC_DEFUN([BT_LIB_ELFUTILS], [ |
d3298a55 JG |
15 | m4_pushdef([major_version], [$1]) |
16 | m4_pushdef([minor_version], [$2]) | |
23f88ce2 PP |
17 | m4_pushdef([true_action], m4_default([$3], [:])) |
18 | m4_pushdef([false_action], m4_default( | |
19 | [$4], [AC_MSG_ERROR(elfutils >= major_version.minor_version is required)] | |
20 | )) | |
d3298a55 | 21 | |
ffa3b3ba PP |
22 | AC_CACHE_CHECK( |
23 | [for elfutils version >= major_version.minor_version], | |
24 | [bt_cv_lib_elfutils], [ | |
25 | AC_RUN_IFELSE([AC_LANG_SOURCE([ | |
26 | #include <stdlib.h> | |
27 | #include <elfutils/version.h> | |
28 | ||
29 | int main(void) { | |
30 | return _ELFUTILS_PREREQ(major_version, minor_version) ? EXIT_SUCCESS : EXIT_FAILURE; | |
31 | } | |
32 | ])], [bt_cv_lib_elfutils=yes], [bt_cv_lib_elfutils=no]) | |
33 | ] | |
34 | ) | |
d3298a55 | 35 | |
ffa3b3ba | 36 | AS_IF([test "x$bt_cv_lib_elfutils" = "xyes"], [true_action], [false_action]) |
d3298a55 JG |
37 | |
38 | m4_popdef([false_action]) | |
39 | m4_popdef([true_action]) | |
40 | m4_popdef([minor_version]) | |
41 | m4_popdef([major_version]) | |
42 | ]) |