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-rw-r--r--configure.ac110
1 files changed, 58 insertions, 52 deletions
diff --git a/configure.ac b/configure.ac
index 7c9da77c..c5b394dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -142,17 +142,18 @@ esac
# If everything else fails use libatomic_ops
need_libatomic_ops=yes
-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_CACHE_CHECK([whether $CC knows __sync_bool_compare_and_swap()],
+ pulseaudio_cv_sync_bool_compare_and_swap,
+ [AC_LINK_IFELSE(
+ AC_LANG_PROGRAM([], [[int a = 4; __sync_bool_compare_and_swap(&a, 4, 5);]]),
+ [pulseaudio_cv_sync_bool_compare_and_swap=yes],
+ [pulseaudio_cv_sync_bool_compare_and_swap=no])
+ ])
+
+if test "$pulseaudio_cv_sync_bool_compare_and_swap" = "yes" ; then
AC_DEFINE([HAVE_ATOMIC_BUILTINS], 1, [Have __sync_bool_compare_and_swap() and friends.])
- AC_MSG_RESULT([yes])
need_libatomic_ops=no
else
- AC_MSG_RESULT([no])
# HW specific atomic ops stuff
AC_MSG_CHECKING([architecture for native atomic operations])
case $host_cpu in
@@ -168,29 +169,27 @@ else
need_libatomic_ops=no
else
AC_MSG_RESULT([no])
- AC_MSG_CHECKING([compiler support for arm inline asm atomic operations])
- AC_LANG_CONFTEST([[int main()
- {
- volatile int a=0;
- int o=0, n=1, r;
- asm volatile ("ldrex %0, [%1]\n"
- "subs %0, %0, %2\n"
- "strexeq %0, %3, [%1]\n"
- : "=&r" (r)
- : "r" (&a), "Ir" (o), "r" (n)
- : "cc");
- return (a==1 ? 0 : -1);
- }]])
- $CC conftest.c $CFLAGS -o conftest > /dev/null 2>&1
- ret=$?
- rm -f conftest.o conftest
- if test $ret -eq 0 ; then
+ AC_CACHE_CHECK([compiler support for arm inline asm atomic operations],
+ pulseaudio_cv_support_arm_atomic_ops,
+ [AC_COMPILE_IFELSE(
+ AC_LANG_PROGRAM([],
+ [[volatile int a=0;
+ int o=0, n=1, r;
+ asm volatile ("ldrex %0, [%1]\n"
+ "subs %0, %0, %2\n"
+ "strexeq %0, %3, [%1]\n"
+ : "=&r" (r)
+ : "r" (&a), "Ir" (o), "r" (n)
+ : "cc");
+ return (a==1 ? 0 : -1);
+ ]]),
+ [pulseaudio_cv_support_arm_atomic_ops=yes],
+ [pulseaudio_cv_support_arm_atomic_ops=no])
+ ])
+ AS_IF([test "$pulseaudio_cv_support_arm_atomic_ops" = "yes"], [
AC_DEFINE([ATOMIC_ARM_INLINE_ASM], 1, [Have ARMv6 instructions.])
- AC_MSG_RESULT([yes])
need_libatomic_ops=no
- else
- AC_MSG_RESULT([no])
- fi
+ ])
fi
;;
*)
@@ -201,17 +200,17 @@ fi
CC_CHECK_TLS
-AC_MSG_CHECKING([whether $CC knows _Bool])
-AC_LANG_CONFTEST([int main() { _Bool b; }])
-$CC conftest.c $CFLAGS -o conftest > /dev/null 2> /dev/null
-ret=$?
-rm -f conftest.o conftest
-if test $ret -eq 0 ; then
+AC_CACHE_CHECK([whether $CC knows _Bool],
+ pulseaudio_cv__Bool,
+ [AC_COMPILE_IFELSE(
+ AC_LANG_PROGRAM([], [[_Bool b;]]),
+ [pulseaudio_cv__Bool=yes],
+ [pulseaudio_cv__Bool=no])
+ ])
+
+AS_IF([test "$pulseaudio_cv__Bool" = "yes"], [
AC_DEFINE([HAVE_STD_BOOL], 1, [Have _Bool.])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
+ ])
#### libtool stuff ####
@@ -385,20 +384,27 @@ AC_CHECK_FUNCS([setresuid setresgid setreuid setregid seteuid setegid ppoll strs
AC_FUNC_ALLOCA
-AC_MSG_CHECKING([for PTHREAD_PRIO_INHERIT])
-AC_LANG_CONFTEST([AC_LANG_SOURCE([[
-#include <pthread.h>
-int main() { int i = PTHREAD_PRIO_INHERIT; }]])])
-$PTHREAD_CC conftest.c $PTHREAD_CFLAGS $CFLAGS $PTHREAD_LIBS -o conftest > /dev/null 2> /dev/null
-ret=$?
-rm -f conftest.o conftest
-
-if test $ret -eq 0 ; then
+AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
+ pulseaudio_cv_PTHREAD_PRIO_INHERIT,
+ [save_CC=$CC; CC=$PTHREAD_CC
+ save_CFLAGS=$CFLAGS; CFLAGS=$PTHREAD_CFLAGS
+ save_LIBS=$LIBS; LIBS=$PTHREAD_LIBS
+ AC_LINK_IFELSE(
+ AC_LANG_PROGRAM(
+ [[
+ #include <pthread.h>
+ ]],
+ [[int i = PTHREAD_PRIO_INHERIT;]]),
+ [pulseaudio_cv_PTHREAD_PRIO_INHERIT=yes],
+ [pulseaudio_cv_PTHREAD_PRIO_INHERIT=no])
+ CC=$save_CC
+ CFLAGS=$save_CFLAGS
+ LIBS=$save_LIBS
+ ])
+
+AS_IF([test "$pulseaudio_cv_PTHREAD_PRIO_INHERIT" = "yes"], [
AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.])
- AC_MSG_RESULT([yes])
-else
- AC_MSG_RESULT([no])
-fi
+ ])
#### Large File-Support (LFS) ####