projects / babeltrace.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c482ed8 MJ |
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 | ]) |