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| author | Tanu Kaskinen <tanuk@iki.fi> | 2018-01-24 03:51:49 +0200 |
|---|---|---|
| committer | Tanu Kaskinen <tanuk@iki.fi> | 2018-01-31 08:21:32 +0200 |
| commit | dfb0460fb4743aec047cdf755a660a9ac2d0f3fb (patch) | |
| tree | 590e5273ed117b18ceb8ad89334f0ec110db9568 /configure.ac | |
| parent | 6d7e057b3739c365964892296a9cf4fc075bc844 (diff) | |
| download | pulseaudio-dfb0460fb4743aec047cdf755a660a9ac2d0f3fb.tar.gz | |
memfd-wrappers: only define memfd_create() if not already defined
glibc 2.27 is to be released soon, and it will provide memfd_create().
If glibc provides the function, we must not define it ourselves,
otherwise building fails due to conflict between the two implementations
of the same function.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=104733
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 0084c86e4..0eb44b08f 100644 --- a/configure.ac +++ b/configure.ac @@ -610,6 +610,9 @@ AS_IF([test "x$enable_memfd" = "xyes" && test "x$HAVE_MEMFD" = "x0"], [AC_MSG_ERROR([*** Your Linux kernel does not support memfd shared memory. *** Use linux v3.17 or higher for such a feature.])]) +AS_IF([test "x$HAVE_MEMFD" = "x1"], + AC_CHECK_FUNCS([memfd_create])) + AC_SUBST(HAVE_MEMFD) AM_CONDITIONAL([HAVE_MEMFD], [test "x$HAVE_MEMFD" = x1]) AS_IF([test "x$HAVE_MEMFD" = "x1"], AC_DEFINE([HAVE_MEMFD], 1, [Have memfd shared memory.])) |