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| author | Perberos <[email protected]> | 2011-12-01 23:53:21 -0300 |
|---|---|---|
| committer | Perberos <[email protected]> | 2011-12-01 23:53:21 -0300 |
| commit | 505cabbd3036081f26586cabc64c26e7769c0ec9 (patch) | |
| tree | 09e0498bf572128f5c9ab551531cb28d6d75e992 /acinclude.m4 | |
| download | mate-settings-daemon-505cabbd3036081f26586cabc64c26e7769c0ec9.tar.bz2 mate-settings-daemon-505cabbd3036081f26586cabc64c26e7769c0ec9.tar.xz | |
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..f2f8ec3 --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,136 @@ +dnl EXTRA_COMPILE_WARNINGS +dnl Turn on many useful compiler warnings +dnl For now, only works on GCC +AC_DEFUN([EXTRA_COMPILE_WARNINGS],[ + dnl ****************************** + dnl More compiler warnings + dnl ****************************** + + AC_ARG_ENABLE(compile-warnings, + AC_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@], + [Turn on compiler warnings]),, + [enable_compile_warnings="m4_default([$1],[yes])"]) + + warnCFLAGS= + if test "x$GCC" != xyes; then + enable_compile_warnings=no + fi + + warning_flags= + realsave_CFLAGS="$CFLAGS" + + case "$enable_compile_warnings" in + no) + warning_flags= + ;; + minimum) + warning_flags="-Wall" + ;; + yes) + warning_flags="-Wall -Wmissing-prototypes" + ;; + maximum|error) + warning_flags="-Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith" + CFLAGS="$warning_flags $CFLAGS" + for option in -Wno-sign-compare; do + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $option" + AC_MSG_CHECKING([whether gcc understands $option]) + AC_TRY_COMPILE([], [], + has_option=yes, + has_option=no,) + CFLAGS="$SAVE_CFLAGS" + AC_MSG_RESULT($has_option) + if test $has_option = yes; then + warning_flags="$warning_flags $option" + fi + unset has_option + unset SAVE_CFLAGS + done + unset option + if test "$enable_compile_warnings" = "error" ; then + warning_flags="$warning_flags -Werror" + fi + ;; + *) + AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings) + ;; + esac + CFLAGS="$realsave_CFLAGS" + AC_MSG_CHECKING(what warning flags to pass to the C compiler) + AC_MSG_RESULT($warning_flags) + + AC_ARG_ENABLE(iso-c, + AC_HELP_STRING([--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($complCFLAGS) + + WARN_CFLAGS="$warning_flags $complCFLAGS" + AC_SUBST(WARN_CFLAGS) +]) + +dnl as-ac-expand.m4 0.2.0 -*- autoconf -*- +dnl autostars m4 macro for expanding directories using configure's prefix + +dnl (C) 2003, 2004, 2005 Thomas Vander Stichele <thomas at apestaart dot org> + +dnl Copying and distribution of this file, with or without modification, +dnl are permitted in any medium without royalty provided the copyright +dnl notice and this notice are preserved. + +dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR) + +dnl example: +dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir) +dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local + +AC_DEFUN([AS_AC_EXPAND], +[ + EXP_VAR=[$1] + FROM_VAR=[$2] + + dnl first expand prefix and exec_prefix if necessary + prefix_save=$prefix + exec_prefix_save=$exec_prefix + + dnl if no prefix given, then use /usr/local, the default prefix + if test "x$prefix" = "xNONE"; then + prefix="$ac_default_prefix" + fi + dnl if no exec_prefix given, then use prefix + if test "x$exec_prefix" = "xNONE"; then + exec_prefix=$prefix + fi + + full_var="$FROM_VAR" + dnl loop until it doesn't change anymore + while true; do + new_full_var="`eval echo $full_var`" + if test "x$new_full_var" = "x$full_var"; then break; fi + full_var=$new_full_var + done + + dnl clean up + full_var=$new_full_var + AC_SUBST([$1], "$full_var") + + dnl restore prefix and exec_prefix + prefix=$prefix_save + exec_prefix=$exec_prefix_save +]) |