Many (FSF and Sun at least) have interpreted the C99 standard in a way
authorPierre Ossman <ossman@cendio.se>
Wed, 11 Jan 2006 14:36:02 +0000 (14:36 +0000)
committerPierre Ossman <ossman@cendio.se>
Wed, 11 Jan 2006 14:36:02 +0000 (14:36 +0000)
that int64_t and similar types are only defined on 64 bit platforms. Using
-std=gnu99 lifts this rather silly restriction.

The HAVE_NETLINK define is not generated anywhere in our configure. So it
was rather pointless to use it for any test.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@450 fefdeb5f-60dc-0310-8127-8f9354f1896f

configure.ac

index 8a87928..bfe6ecd 100644 (file)
@@ -63,29 +63,9 @@ test_gcc_flag() {
 # If using GCC specify some additional parameters
 if test "x$GCC" = "xyes" ; then
 
-    DESIRED_FLAGS="-Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter"
-
-    if test "x$HAVE_NETLINK" = "xyes" ; then
-        # Test whether rtnetlink.h can be included when compiled with -std=c99
-        # some distributions (e.g. archlinux) have broken headers that dont
-        # define __u64 with -std=c99
-        AC_MSG_CHECKING([checking whether rtnetlink.h can be included with -std=c99])
-        OLDCFLAGS="$CFLAGS"
-        CFLAGS="-std=c99"
-        AC_TRY_COMPILE([#include <linux/rtnetlink.h>], [],
-            use_stdc99=yes, use_stdc99=no)
-
-        if test x"$use_stdc99" = xyes; then
-            DESIRED_FLAGS="-std=c99 $DESIRED_FLAGS"
-            AC_MSG_RESULT([yes])
-        else
-            AC_MSG_RESULT([no])
-        fi
-
-        CFLAGS="$OLDCFLAGS"
-    else
-        DESIRED_FLAGS="-std=c99 $DESIRED_FLAGS"
-    fi
+    # We use gnu99 instead of c99 because many have interpreted the standard
+    # in a way that int64_t isn't defined on non-64 bit platforms.
+    DESIRED_FLAGS="-std=gnu99 -Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter"
 
     for flag in $DESIRED_FLAGS ; do
         AC_MSG_CHECKING([whether $CC accepts $flag])