diff options
Diffstat (limited to 'macros/compiler-flags.m4')
| -rw-r--r-- | macros/compiler-flags.m4 | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/macros/compiler-flags.m4 b/macros/compiler-flags.m4 index aec45d591f..710ff7319c 100644 --- a/macros/compiler-flags.m4 +++ b/macros/compiler-flags.m4 @@ -5,6 +5,19 @@ AC_DEFUN([GNOME_COMPILE_WARNINGS],[ AC_ARG_ENABLE(compile-warnings, [ --enable-compile-warnings=[no/minimum/yes] Turn on compiler warnings.],,enable_compile_warnings=minimum) + AC_ARG_ENABLE(warn-unused, + [ --enable-warn-unused Warn about unused variables and parameters],, + enable_warn_unused=no) + + AC_MSG_CHECKING(what "unused" warning flags to use) + wunusedCFLAGS= + if test "x$enable_warn_unused" = xyes ; then + wunusedCFLAGS='-Wunused' + else + wunusedCFLAGS='-Wno-unused' + fi + AC_MSG_RESULT($wunusedCFLAGS) + AC_MSG_CHECKING(what warning flags to pass to the C compiler) warnCFLAGS= if test "x$enable_compile_warnings" != "xno"; then @@ -15,14 +28,14 @@ AC_DEFUN([GNOME_COMPILE_WARNINGS],[ esac if test "x$enable_compile_warnings" = "xyes"; then - warnCFLAGS="$warnCFLAGS -W -Wno-unused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith" + warnCFLAGS="$warnCFLAGS -W $wunusedCFLAGS -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith" fi fi fi AC_MSG_RESULT($warnCFLAGS) AC_ARG_ENABLE(iso-c, - [ --enable-iso-c Try to warn if code is not ISO C ],, + [ --enable-iso-c Try to warn if code is not ISO C ],, enable_iso_c=no) AC_MSG_CHECKING(what language compliance flags to pass to the C compiler) |