diff options
-rw-r--r-- | configure.ac | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/configure.ac b/configure.ac index 8a87928b..bfe6ecd1 100644 --- a/configure.ac +++ b/configure.ac @@ -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]) |