| 1 | # ax_lib_elfutils.m4 -- Check elfutils version |
| 2 | # |
| 3 | # Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 4 | # |
| 5 | # Permission is hereby granted, free of charge, to any person |
| 6 | # obtaining a copy of this software and associated documentation files |
| 7 | # (the "Software"), to deal in the Software without restriction, |
| 8 | # including without limitation the rights to use, copy, modify, merge, |
| 9 | # publish, distribute, sublicense, and/or sell copies of the Software, |
| 10 | # and to permit persons to whom the Software is furnished to do so, |
| 11 | # subject to the following conditions: The above copyright notice and |
| 12 | # this permission notice shall be included in all copies or substantial |
| 13 | # portions of the Software. |
| 14 | # |
| 15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 19 | # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 20 | # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 21 | # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | # |
| 23 | # Check the currently installed version of elfutils by using the |
| 24 | # _ELFUTILS_PREREQ macro defined in elfutils/version.h. |
| 25 | # |
| 26 | # AX_LIB_ELFUTILS(MAJOR_VERSION, MINOR_VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE]) |
| 27 | # --------------------------------------------------------------------------- |
| 28 | AC_DEFUN([AX_LIB_ELFUTILS], [ |
| 29 | m4_pushdef([major_version], [$1]) |
| 30 | m4_pushdef([minor_version], [$2]) |
| 31 | |
| 32 | AC_MSG_CHECKING([for elfutils version >= major_version.minor_version]) |
| 33 | m4_if([$#], 3, [ |
| 34 | m4_pushdef([true_action], [$3]) |
| 35 | ], [ |
| 36 | m4_pushdef([true_action], []) |
| 37 | ]) |
| 38 | |
| 39 | m4_if([$#], 4, [ |
| 40 | m4_pushdef([false_action], [$4]) |
| 41 | ], [ |
| 42 | m4_pushdef([false_action], [ |
| 43 | AC_MSG_ERROR(elfutils >= major_version.minor_version is required)]) |
| 44 | ]) |
| 45 | |
| 46 | AC_RUN_IFELSE([ |
| 47 | AC_LANG_SOURCE([ |
| 48 | #include <stdlib.h> |
| 49 | #include <elfutils/version.h> |
| 50 | |
| 51 | int main(void) { |
| 52 | return _ELFUTILS_PREREQ(major_version, minor_version) ? EXIT_SUCCESS : EXIT_FAILURE; |
| 53 | } |
| 54 | ]) |
| 55 | ], |
| 56 | echo yes |
| 57 | true_action, |
| 58 | echo no |
| 59 | false_action) |
| 60 | |
| 61 | m4_popdef([false_action]) |
| 62 | m4_popdef([true_action]) |
| 63 | m4_popdef([minor_version]) |
| 64 | m4_popdef([major_version]) |
| 65 | ]) |