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author | Martin Baulig <baulig@suse.de> | 2000-07-24 14:27:58 +0000 |
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committer | Martin Baulig <martin@src.gnome.org> | 2000-07-24 14:27:58 +0000 |
commit | 425e5cc9aad003c9f64d43f2d3f15e04a97db854 (patch) | |
tree | cfa7cad1215a5dfc976e480d1a2113eb828bc2b7 /macros2/compiler-flags.m4 | |
parent | c978e43ae83a5a7e7fc8fe32538afbffc5812da9 (diff) | |
download | shared-mime-info-425e5cc9aad003c9f64d43f2d3f15e04a97db854.tar.gz |
Synced with gnome-libs/gnome-data.
2000-07-24 Martin Baulig <baulig@suse.de>
Synced with gnome-libs/gnome-data.
svn path=/trunk/; revision=1310
Diffstat (limited to 'macros2/compiler-flags.m4')
-rw-r--r-- | macros2/compiler-flags.m4 | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/macros2/compiler-flags.m4 b/macros2/compiler-flags.m4 new file mode 100644 index 00000000..63f8e2e6 --- /dev/null +++ b/macros2/compiler-flags.m4 @@ -0,0 +1,109 @@ +dnl GNOME_COMPILE_WARNINGS +dnl Turn on many useful compiler warnings +dnl For now, only works on GCC +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_MSG_CHECKING(what warning flags to pass to the C compiler) + warnCFLAGS= + if test "x$GCC" != xyes; then + enable_compile_warnings=no + fi + + if test "x$enable_compile_warnings" != "xno"; then + if test "x$GCC" = "xyes"; then + case " $CFLAGS " in + *[\ \ ]-Wall[\ \ ]*) ;; + *) warnCFLAGS="-Wall -Wunused" ;; + esac + + ## -W is not all that useful. And it cannot be controlled + ## with individual -Wno-xxx flags, unlike -Wall + if test "x$enable_compile_warnings" = "xyes"; then + warnCFLAGS="$warnCFLAGS -Wmissing-prototypes -Wmissing-declarations" + fi + fi + fi + AC_MSG_RESULT($warnCFLAGS) + + AC_ARG_ENABLE(iso-c, + [ --enable-iso-c Try to warn if code is not ISO C ],, + enable_iso_c=no) + + AC_MSG_CHECKING(what language compliance flags to pass to the C compiler) + complCFLAGS= + if test "x$enable_iso_c" != "xno"; then + if test "x$GCC" = "xyes"; then + case " $CFLAGS " in + *[\ \ ]-ansi[\ \ ]*) ;; + *) complCFLAGS="$complCFLAGS -ansi" ;; + esac + + case " $CFLAGS " in + *[\ \ ]-pedantic[\ \ ]*) ;; + *) complCFLAGS="$complCFLAGS -pedantic" ;; + esac + fi + fi + AC_MSG_RESULT($complCFLAGS) + if test "x$cflags_set" != "xyes"; then + CFLAGS="$CFLAGS $warnCFLAGS $complCFLAGS" + cflags_set=yes + AC_SUBST(cflags_set) + fi +]) + +dnl For C++, do basically the same thing. + +AC_DEFUN([GNOME_CXX_WARNINGS],[ + AC_ARG_ENABLE(cxx-warnings, + [ --enable-cxx-warnings=[no/minimum/yes] Turn on compiler warnings.],,enable_cxx_warnings=minimum) + + AC_MSG_CHECKING(what warning flags to pass to the C++ compiler) + warnCXXFLAGS= + if test "x$GCC" != xyes; then + enable_compile_warnings=no + fi + if test "x$enable_cxx_warnings" != "xno"; then + if test "x$GCC" = "xyes"; then + case " $CXXFLAGS " in + *[\ \ ]-Wall[\ \ ]*) ;; + *) warnCXXFLAGS="-Wall -Wno-unused" ;; + esac + + ## -W is not all that useful. And it cannot be controlled + ## with individual -Wno-xxx flags, unlike -Wall + if test "x$enable_cxx_warnings" = "xyes"; then + warnCXXFLAGS="$warnCXXFLAGS -Wmissing-prototypes -Wmissing-declarations -Wshadow -Woverloaded-virtual" + fi + fi + fi + AC_MSG_RESULT($warnCXXFLAGS) + + AC_ARG_ENABLE(iso-cxx, + [ --enable-iso-cxx Try to warn if code is not ISO C++ ],, + enable_iso_cxx=no) + + AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler) + complCXXFLAGS= + if test "x$enable_iso_cxx" != "xno"; then + if test "x$GCC" = "xyes"; then + case " $CXXFLAGS " in + *[\ \ ]-ansi[\ \ ]*) ;; + *) complCXXFLAGS="$complCXXFLAGS -ansi" ;; + esac + + case " $CXXFLAGS " in + *[\ \ ]-pedantic[\ \ ]*) ;; + *) complCXXFLAGS="$complCXXFLAGS -pedantic" ;; + esac + fi + fi + AC_MSG_RESULT($complCXXFLAGS) + if test "x$cxxflags_set" != "xyes"; then + CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS" + cxxflags_set=yes + AC_SUBST(cxxflags_set) + fi +]) |