diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 36 |
1 files changed, 7 insertions, 29 deletions
diff --git a/configure.ac b/configure.ac index decd2c2..0026d7f 100644 --- a/configure.ac +++ b/configure.ac @@ -19,7 +19,7 @@ # License along with libcanberra. If not, see # <http://www.gnu.org/licenses/>. -AC_PREREQ(2.57) +AC_PREREQ(2.62) AC_INIT([libcanberra], 0.7, [mzyvopnaoreen (at) 0pointer (dot) de]) AC_CONFIG_SRCDIR([src/common.c]) @@ -45,6 +45,7 @@ fi # CC AC_PROG_CC +AC_PROG_CC_C99 AM_PROG_CC_C_O AC_PROG_GCC_TRADITIONAL AC_GNU_SOURCE @@ -53,34 +54,11 @@ AC_GNU_SOURCE AC_PROG_CXX -# GCC flags - -test_gcc_flag() { - AC_LANG_CONFTEST([int main(int argc, char*argv[]) {}]) - $CC -c conftest.c $CFLAGS "$1" -o conftest.o > /dev/null 2> /dev/null - ret=$? - rm -f conftest.o - return $ret -} - -# If using GCC specify some additional parameters -if test "x$GCC" = "xyes" ; then - - # 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 -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -ffast-math" - - for flag in $DESIRED_FLAGS ; do - AC_MSG_CHECKING([whether $CC accepts $flag]) - if test_gcc_flag $flag ; then - CFLAGS="$CFLAGS $flag" - CXXFLAGS="$CXXFLAGS $flag" - AC_MSG_RESULT([yes]) - else - AC_MSG_RESULT([no]) - fi - done -fi +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 -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -ffast-math" + +for flag in $DESIRED_FLAGS ; do + CC_CHECK_CFLAGS([$flag], [CFLAGS="$CFLAGS $flag"]) +done #### libtool stuff #### |