diff options
Diffstat (limited to 'wiretap/configure.in')
| -rw-r--r-- | wiretap/configure.in | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/wiretap/configure.in b/wiretap/configure.in index 6b66777d94..18fb0fff81 100644 --- a/wiretap/configure.in +++ b/wiretap/configure.in @@ -66,6 +66,23 @@ else fi rm -rf conftest* +AC_MSG_CHECKING(to see if we can add '-Wno-pointer-sign' to CFLAGS) +if test x$GCC == xyes ; then + # some versions of GCC support this directive + rm -rf conftest* + echo "int foo;" >>conftest.c + if $CC -c -o conftest.o conftest.c -Wno-pointer-sign > /dev/null 2>&1 ; then + CFLAGS="$CFLAGS -Wno-pointer-sign" + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi +else + # non-gcc compilers do not support this directive + AC_MSG_RESULT(no) +fi +rm -rf conftest* + AC_ARG_WITH(warnings-as-errors, [ --with-warnings-as-errors Treat warnings as errors (if using gcc). [default=no]], [ |