This silences multiple warnings like this on autoconf 2.68+:
configure.ac:471: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
---
configure.ac | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/configure.ac b/configure.ac
index 5b052e2..438fd06 100644
--- a/configure.ac
+++ b/configure.ac
@@ -225,7 +225,7 @@ need_libatomic_ops=yes
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);]]),
+ [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])
])
@@ -252,7 +252,7 @@ else
AC_CACHE_CHECK([compiler support for arm inline asm atomic operations],
pulseaudio_cv_support_arm_atomic_ops, [
AC_COMPILE_IFELSE(
- AC_LANG_PROGRAM([], [[
+ [AC_LANG_PROGRAM([], [[
volatile int a=0;
int o=0, n=1, r;
asm volatile ("ldrex %0, [%1]\n"
@@ -262,7 +262,7 @@ else
: "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])
])
@@ -292,7 +292,7 @@ case $host in
AC_CACHE_CHECK([support for required armv6 instructions],
pulseaudio_cv_support_armv6,
[AC_COMPILE_IFELSE(
- AC_LANG_PROGRAM([],
+ [AC_LANG_PROGRAM([],
[[volatile int a = -60000, b = 0xaaaabbbb, c = 0xccccdddd;
asm volatile ("ldr r0, %2 \n"
"ldr r2, %3 \n"
@@ -305,7 +305,7 @@ case $host in
: "m" (a), "m" (b), "m" (c)
: "r0", "r1", "r2", "r3", "cc");
return (a == -128 && b == 0xaabbdddd) ? 0 : -1;
- ]]),
+ ]])],
[pulseaudio_cv_support_armv6=yes],
[pulseaudio_cv_support_armv6=no])
])
@@ -324,7 +324,7 @@ AC_ARG_ENABLE([neon-opt],
AS_IF([test "x$enable_neon_opt" != "xno"],
[save_CFLAGS="$CFLAGS"; CFLAGS="-mfpu=neon $CFLAGS"
AC_COMPILE_IFELSE(
- AC_LANG_PROGRAM([[#include <arm_neon.h>]], []),
+ [AC_LANG_PROGRAM([[#include <arm_neon.h>]], [])],
[
HAVE_NEON=1
NEON_CFLAGS="-mfpu=neon"
@@ -453,7 +453,7 @@ AX_CHECK_DEFINE([netinet/in.h], [INADDR_NONE], [],
AC_CACHE_CHECK([whether $CC knows _Bool],
pulseaudio_cv__Bool,
[AC_COMPILE_IFELSE(
- AC_LANG_PROGRAM([], [[_Bool b;]]),
+ [AC_LANG_PROGRAM([], [[_Bool b;]])],
[pulseaudio_cv__Bool=yes],
[pulseaudio_cv__Bool=no])
])
--
1.8.4
