mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-16 06:59:55 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

detect whether gcc atomic builtins are available

Browse source 
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1769 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-04 21:24:45 +00:00
parent 4c31ff9b45
commit 984ef82e52
1 changed files with 14 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

16
configure.ac
View file

@ -81,8 +81,8 @@ fi
# GCC flags
test_gcc_flag() {
AC_LANG_CONFTEST([int main() {}])
$CC -c conftest.c $CFLAGS $@ > /dev/null 2> /dev/null
AC_LANG_CONFTEST([int main(int argc, char*argv[]) {}])
$CC -c conftest.c $CFLAGS -o conftest.o > /dev/null 2> /dev/null
ret=$?
rm -f conftest.o
return $ret
@ -106,6 +106,18 @@ if test "x$GCC" = "xyes" ; then
done
fi
AC_MSG_CHECKING([whether $CC knows __sync_bool_compare_and_swap()])
AC_LANG_CONFTEST([int main() { int a = 4; __sync_bool_compare_and_swap(&a, 4, 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_ATOMIC_BUILTINS], 1, [Have __sync_bool_compare_and_swap() and friends.])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
#### libtool stuff ####
AC_LTDL_ENABLE_INSTALL