diff options
| author | Lennart Poettering <lennart@poettering.net> | 2007-09-10 23:57:10 +0000 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2007-09-10 23:57:10 +0000 |
| commit | 9b0ab39b1c443744bb7b09b03e62e51d78aab527 (patch) | |
| tree | 8effaaa2c5359af33e64d0e764739904a46c358f /configure.ac | |
| parent | 3d122d0fee2e3d853ea1a1de297b249f2c125f73 (diff) | |
unify static TLS support, make use of gcc __thread attribute if available
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1797 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index c4f26c4e..7c8f3888 100644 --- a/configure.ac +++ b/configure.ac @@ -118,6 +118,18 @@ else AC_MSG_RESULT([no]) fi +AC_MSG_CHECKING([whether $CC knows __thread]) +AC_LANG_CONFTEST([static __thread int a = 6; int main() { a = 5; }]) +$CC conftest.c $CFLAGS -o conftest > /dev/null 2> /dev/null +ret=$? +rm -f conftest.o conftest +if test $ret -eq 0 ; then + AC_DEFINE([HAVE_TLS_BUILTIN], 1, [Have __thread().]) + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi + #### libtool stuff #### AC_LTDL_ENABLE_INSTALL |