diff options
Diffstat (limited to 'macros')
| -rw-r--r-- | macros/Makefile.am | 12 | ||||
| -rw-r--r-- | macros/mate-autogen | 507 | ||||
| -rw-r--r-- | macros/mate-common.m4 | 50 | ||||
| -rw-r--r-- | macros/mate-compiler-flags.m4 | 141 |
4 files changed, 710 insertions, 0 deletions
diff --git a/macros/Makefile.am b/macros/Makefile.am new file mode 100644 index 0000000..a94ad27 --- /dev/null +++ b/macros/Makefile.am @@ -0,0 +1,12 @@ +## Please update this variable if any new macros are created + +MATE2_MACROS = \ + mate-common.m4 \ + mate-compiler-flags.m4 + +EXTRA_DIST = $(MATE2_MACROS) mate-autogen + +aclocaldir = $(datadir)/aclocal +aclocal_DATA = $(MATE2_MACROS) + +bin_SCRIPTS = mate-autogen diff --git a/macros/mate-autogen b/macros/mate-autogen new file mode 100644 index 0000000..46422e0 --- /dev/null +++ b/macros/mate-autogen @@ -0,0 +1,507 @@ +#!/bin/sh +# Run this to generate all the initial makefiles, etc. + +#name of package +PKG_NAME=${PKG_NAME:-Package} +srcdir=${srcdir:-.} + +# default version requirements ... +REQUIRED_AUTOCONF_VERSION=${REQUIRED_AUTOCONF_VERSION:-2.53} +REQUIRED_AUTOMAKE_VERSION=${REQUIRED_AUTOMAKE_VERSION:-1.9} +REQUIRED_LIBTOOL_VERSION=${REQUIRED_LIBTOOL_VERSION:-1.4.3} +REQUIRED_GETTEXT_VERSION=${REQUIRED_GETTEXT_VERSION:-0.10.40} +REQUIRED_GLIB_GETTEXT_VERSION=${REQUIRED_GLIB_GETTEXT_VERSION:-2.2.0} +REQUIRED_INTLTOOL_VERSION=${REQUIRED_INTLTOOL_VERSION:-0.25} +REQUIRED_PKG_CONFIG_VERSION=${REQUIRED_PKG_CONFIG_VERSION:-0.14.0} +REQUIRED_GTK_DOC_VERSION=${REQUIRED_GTK_DOC_VERSION:-1.0} +REQUIRED_DOC_COMMON_VERSION=${REQUIRED_DOC_COMMON_VERSION:-1.1.0} +REQUIRED_MATE_DOC_UTILS_VERSION=${REQUIRED_MATE_DOC_UTILS_VERSION:-1.1.0} + +# a list of required m4 macros. Package can set an initial value +REQUIRED_M4MACROS=${REQUIRED_M4MACROS:-} +FORBIDDEN_M4MACROS=${FORBIDDEN_M4MACROS:-} + +# Not all echo versions allow -n, so we check what is possible. This test is +# based on the one in autoconf. +ECHO_C= +ECHO_N= +case `echo -n x` in +-n*) + case `echo 'x\c'` in + *c*) ;; + *) ECHO_C='\c';; + esac;; +*) + ECHO_N='-n';; +esac + +# some terminal codes ... +boldface="`tput bold 2>/dev/null`" +normal="`tput sgr0 2>/dev/null`" +printbold() { + echo $ECHO_N "$boldface" $ECHO_C + echo "$@" + echo $ECHO_N "$normal" $ECHO_C +} +printerr() { + echo "$@" >&2 +} + +# Usage: +# compare_versions MIN_VERSION ACTUAL_VERSION +# returns true if ACTUAL_VERSION >= MIN_VERSION +compare_versions() { + ch_min_version=$1 + ch_actual_version=$2 + ch_status=0 + IFS="${IFS= }"; ch_save_IFS="$IFS"; IFS="." + set $ch_actual_version + for ch_min in $ch_min_version; do + ch_cur=`echo $1 | sed 's/[^0-9].*$//'`; shift # remove letter suffixes + if [ -z "$ch_min" ]; then break; fi + if [ -z "$ch_cur" ]; then ch_status=1; break; fi + if [ $ch_cur -gt $ch_min ]; then break; fi + if [ $ch_cur -lt $ch_min ]; then ch_status=1; break; fi + done + IFS="$ch_save_IFS" + return $ch_status +} + +# Usage: +# version_check PACKAGE VARIABLE CHECKPROGS MIN_VERSION SOURCE +# checks to see if the package is available +version_check() { + vc_package=$1 + vc_variable=$2 + vc_checkprogs=$3 + vc_min_version=$4 + vc_source=$5 + vc_status=1 + + vc_checkprog=`eval echo "\\$$vc_variable"` + if [ -n "$vc_checkprog" ]; then + printbold "using $vc_checkprog for $vc_package" + return 0 + fi + + if test "x$vc_package" = "xautomake" -a "x$vc_min_version" = "x1.4"; then + vc_comparator="=" + else + vc_comparator=">=" + fi + printbold "checking for $vc_package $vc_comparator $vc_min_version..." + for vc_checkprog in $vc_checkprogs; do + echo $ECHO_N " testing $vc_checkprog... " $ECHO_C + if $vc_checkprog --version < /dev/null > /dev/null 2>&1; then + vc_actual_version=`$vc_checkprog --version | head -n 1 | \ + sed 's/^.*[ ]\([0-9.]*[a-z]*\).*$/\1/'` + if compare_versions $vc_min_version $vc_actual_version; then + echo "found $vc_actual_version" + # set variables + eval "$vc_variable=$vc_checkprog; \ + ${vc_variable}_VERSION=$vc_actual_version" + vc_status=0 + break + else + echo "too old (found version $vc_actual_version)" + fi + else + echo "not found." + fi + done + if [ "$vc_status" != 0 ]; then + printerr "***Error***: You must have $vc_package $vc_comparator $vc_min_version installed" + printerr " to build $PKG_NAME. Download the appropriate package for" + printerr " from your distribution or get the source tarball at" + printerr " $vc_source" + printerr + exit $vc_status + fi + return $vc_status +} + +# Usage: +# require_m4macro filename.m4 +# adds filename.m4 to the list of required macros +require_m4macro() { + case "$REQUIRED_M4MACROS" in + $1\ * | *\ $1\ * | *\ $1) ;; + *) REQUIRED_M4MACROS="$REQUIRED_M4MACROS $1" ;; + esac +} + +forbid_m4macro() { + case "$FORBIDDEN_M4MACROS" in + $1\ * | *\ $1\ * | *\ $1) ;; + *) FORBIDDEN_M4MACROS="$FORBIDDEN_M4MACROS $1" ;; + esac +} + +# Usage: +# add_to_cm_macrodirs dirname +# Adds the dir to $cm_macrodirs, if it's not there yet. +add_to_cm_macrodirs() { + case $cm_macrodirs in + "$1 "* | *" $1 "* | *" $1") ;; + *) cm_macrodirs="$cm_macrodirs $1";; + esac +} + +# Usage: +# print_m4macros_error +# Prints an error message saying that autoconf macros were misused +print_m4macros_error() { + printerr "***Error***: some autoconf macros required to build $PKG_NAME" + printerr " were not found in your aclocal path, or some forbidden" + printerr " macros were found. Perhaps you need to adjust your" + printerr " ACLOCAL_FLAGS?" + printerr +} + +# Usage: +# check_m4macros +# Checks that all the requested macro files are in the aclocal macro path +# Uses REQUIRED_M4MACROS and ACLOCAL variables. +check_m4macros() { + # construct list of macro directories + cm_macrodirs=`$ACLOCAL --print-ac-dir` + # aclocal also searches a version specific dir, eg. /usr/share/aclocal-1.9 + # but it contains only Automake's own macros, so we can ignore it. + + # Read the dirlist file, supported by Automake >= 1.7. + if compare_versions 1.7 $AUTOMAKE_VERSION && [ -s $cm_macrodirs/dirlist ]; then + cm_dirlist=`sed 's/[ ]*#.*//;/^$/d' $cm_macrodirs/dirlist` + if [ -n "$cm_dirlist" ] ; then + for cm_dir in $cm_dirlist; do + if [ -d $cm_dir ]; then + add_to_cm_macrodirs $cm_dir + fi + done + fi + fi + + # Parse $ACLOCAL_FLAGS + set - $ACLOCAL_FLAGS + while [ $# -gt 0 ]; do + if [ "$1" = "-I" ]; then + add_to_cm_macrodirs "$2" + shift + fi + shift + done + + cm_status=0 + if [ -n "$REQUIRED_M4MACROS" ]; then + printbold "Checking for required M4 macros..." + # check that each macro file is in one of the macro dirs + for cm_macro in $REQUIRED_M4MACROS; do + cm_macrofound=false + for cm_dir in $cm_macrodirs; do + if [ -f "$cm_dir/$cm_macro" ]; then + cm_macrofound=true + break + fi + # The macro dir in Cygwin environments may contain a file + # called dirlist containing other directories to look in. + if [ -f "$cm_dir/dirlist" ]; then + for cm_otherdir in `cat $cm_dir/dirlist`; do + if [ -f "$cm_otherdir/$cm_macro" ]; then + cm_macrofound=true + break + fi + done + fi + done + if $cm_macrofound; then + : + else + printerr " $cm_macro not found" + cm_status=1 + fi + done + fi + if [ "$cm_status" != 0 ]; then + print_m4macros_error + exit $cm_status + fi + if [ -n "$FORBIDDEN_M4MACROS" ]; then + printbold "Checking for forbidden M4 macros..." + # check that each macro file is in one of the macro dirs + for cm_macro in $FORBIDDEN_M4MACROS; do + cm_macrofound=false + for cm_dir in $cm_macrodirs; do + if [ -f "$cm_dir/$cm_macro" ]; then + cm_macrofound=true + break + fi + done + if $cm_macrofound; then + printerr " $cm_macro found (should be cleared from macros dir)" + cm_status=1 + fi + done + fi + if [ "$cm_status" != 0 ]; then + print_m4macros_error + exit $cm_status + fi +} + +# try to catch the case where the macros/ directory hasn't been cleared out. +forbid_m4macro mate-cxx-check.m4 + +want_libtool=false +want_gettext=false +want_glib_gettext=false +want_intltool=false +want_pkg_config=false +want_gtk_doc=false +want_mate_doc_utils=false +want_maintainer_mode=false + +configure_files="`find $srcdir -name '{arch}' -prune -o -name '_darcs' -prune -o -name '.??*' -prune -o -name configure.ac -print -o -name configure.in -print`" +for configure_ac in $configure_files; do + dirname=`dirname $configure_ac` + if [ -f $dirname/NO-AUTO-GEN ]; then + echo skipping $dirname -- flagged as no auto-gen + continue + fi + if grep "^A[CM]_PROG_LIBTOOL" $configure_ac >/dev/null || + grep "^LT_INIT" $configure_ac >/dev/null; then + want_libtool=true + fi + if grep "^AM_GNU_GETTEXT" $configure_ac >/dev/null; then + want_gettext=true + fi + if grep "^AM_GLIB_GNU_GETTEXT" $configure_ac >/dev/null; then + want_glib_gettext=true + fi + if grep "^AC_PROG_INTLTOOL" $configure_ac >/dev/null || + grep "^IT_PROG_INTLTOOL" $configure_ac >/dev/null; then + want_intltool=true + fi + if grep "^PKG_CHECK_MODULES" $configure_ac >/dev/null; then + want_pkg_config=true + fi + if grep "^GTK_DOC_CHECK" $configure_ac >/dev/null; then + want_gtk_doc=true + fi + if grep "^MATE_DOC_INIT" $configure_ac >/dev/null; then + want_mate_doc_utils=true + fi + + # check that AM_MAINTAINER_MODE is used + if grep "^AM_MAINTAINER_MODE" $configure_ac >/dev/null; then + want_maintainer_mode=true + fi + + # check to make sure mate-common macros can be found ... + if grep "^MATE_COMMON_INIT" $configure_ac >/dev/null || + grep "^MATE_DEBUG_CHECK" $configure_ac >/dev/null || + grep "^MATE_MAINTAINER_MODE_DEFINES" $configure_ac >/dev/null; then + require_m4macro mate-common.m4 + fi + if grep "^MATE_COMPILE_WARNINGS" $configure_ac >/dev/null || + grep "^MATE_CXX_WARNINGS" $configure_ac >/dev/null; then + require_m4macro mate-compiler-flags.m4 + fi +done + +#tell Mandrake autoconf wrapper we want autoconf 2.5x, not 2.13 +WANT_AUTOCONF_2_5=1 +export WANT_AUTOCONF_2_5 +version_check autoconf AUTOCONF 'autoconf2.50 autoconf autoconf-2.53' $REQUIRED_AUTOCONF_VERSION \ + "http://ftp.gnu.org/pub/gnu/autoconf/autoconf-$REQUIRED_AUTOCONF_VERSION.tar.gz" +AUTOHEADER=`echo $AUTOCONF | sed s/autoconf/autoheader/` + +case $REQUIRED_AUTOMAKE_VERSION in + 1.4*) automake_progs="automake-1.4" ;; + 1.5*) automake_progs="automake-1.12 automake-1.11 automake-1.10 automake-1.9 automake-1.8 automake-1.7 automake-1.6 automake-1.5" ;; + 1.6*) automake_progs="automake-1.12 automake-1.11 automake-1.10 automake-1.9 automake-1.8 automake-1.7 automake-1.6" ;; + 1.7*) automake_progs="automake-1.12 automake-1.11 automake-1.10 automake-1.9 automake-1.8 automake-1.7" ;; + 1.8*) automake_progs="automake-1.12 automake-1.11 automake-1.10 automake-1.9 automake-1.8" ;; + 1.9*) automake_progs="automake-1.12 automake-1.11 automake-1.10 automake-1.9" ;; + 1.10*) automake_progs="automake-1.12 automake-1.11 automake-1.10" ;; + 1.11*) automake_progs="automake-1.12 automake-1.11" ;; + 1.12*) automake_progs="automake-1.12" ;; +esac +version_check automake AUTOMAKE "$automake_progs" $REQUIRED_AUTOMAKE_VERSION \ + "http://ftp.gnu.org/pub/gnu/automake/automake-$REQUIRED_AUTOMAKE_VERSION.tar.gz" +ACLOCAL=`echo $AUTOMAKE | sed s/automake/aclocal/` + +if $want_libtool; then + version_check libtool LIBTOOLIZE libtoolize $REQUIRED_LIBTOOL_VERSION \ + "http://ftp.gnu.org/pub/gnu/libtool/libtool-$REQUIRED_LIBTOOL_VERSION.tar.gz" + require_m4macro libtool.m4 +fi + +if $want_gettext; then + version_check gettext GETTEXTIZE gettextize $REQUIRED_GETTEXT_VERSION \ + "http://ftp.gnu.org/pub/gnu/gettext/gettext-$REQUIRED_GETTEXT_VERSION.tar.gz" + require_m4macro gettext.m4 +fi + +if $want_glib_gettext; then + version_check glib-gettext GLIB_GETTEXTIZE glib-gettextize $REQUIRED_GLIB_GETTEXT_VERSION \ + "ftp://ftp.gtk.org/pub/gtk/v2.2/glib-$REQUIRED_GLIB_GETTEXT_VERSION.tar.gz" + require_m4macro glib-gettext.m4 +fi + +if $want_intltool; then + version_check intltool INTLTOOLIZE intltoolize $REQUIRED_INTLTOOL_VERSION \ + "http://ftp.gnome.org/pub/MATE/sources/intltool/" + require_m4macro intltool.m4 +fi + +if $want_pkg_config; then + version_check pkg-config PKG_CONFIG pkg-config $REQUIRED_PKG_CONFIG_VERSION \ + "'http://www.freedesktop.org/software/pkgconfig/releases/pkgconfig-$REQUIRED_PKG_CONFIG_VERSION.tar.gz" + require_m4macro pkg.m4 +fi + +if $want_gtk_doc; then + version_check gtk-doc GTKDOCIZE gtkdocize $REQUIRED_GTK_DOC_VERSION \ + "http://ftp.gnome.org/pub/MATE/sources/gtk-doc/" + require_m4macro gtk-doc.m4 +fi + +if $want_mate_doc_utils; then + version_check mate-doc-utils MATE_DOC_PREPARE mate-doc-prepare $REQUIRED_MATE_DOC_UTILS_VERSION \ + "http://ftp.gnome.org/pub/MATE/sources/mate-doc-utils/" +fi + +if [ "x$USE_COMMON_DOC_BUILD" = "xyes" ]; then + version_check mate-common DOC_COMMON mate-doc-common \ + $REQUIRED_DOC_COMMON_VERSION " " +fi + +check_m4macros + +if [ "$#" = 0 -a "x$NOCONFIGURE" = "x" ]; then + printerr "**Warning**: I am going to run \`configure' with no arguments." + printerr "If you wish to pass any to it, please specify them on the" + printerr \`$0\'" command line." + printerr +fi + +topdir=`pwd` +for configure_ac in $configure_files; do + dirname=`dirname $configure_ac` + basename=`basename $configure_ac` + if [ -f $dirname/NO-AUTO-GEN ]; then + echo skipping $dirname -- flagged as no auto-gen + elif [ ! -w $dirname ]; then + echo skipping $dirname -- directory is read only + else + printbold "Processing $configure_ac" + cd $dirname + + # Note that the order these tools are called should match what + # autoconf's "autoupdate" package does. See bug 138584 for + # details. + + # programs that might install new macros get run before aclocal + if grep "^A[CM]_PROG_LIBTOOL" $basename >/dev/null || + grep "^LT_INIT" $basename >/dev/null; then + printbold "Running $LIBTOOLIZE..." + $LIBTOOLIZE --force --copy || exit 1 + fi + + if grep "^AM_GLIB_GNU_GETTEXT" $basename >/dev/null; then + printbold "Running $GLIB_GETTEXTIZE... Ignore non-fatal messages." + echo "no" | $GLIB_GETTEXTIZE --force --copy || exit 1 + elif grep "^AM_GNU_GETTEXT" $basename >/dev/null; then + if grep "^AM_GNU_GETTEXT_VERSION" $basename > /dev/null; then + printbold "Running autopoint..." + autopoint --force || exit 1 + else + printbold "Running $GETTEXTIZE... Ignore non-fatal messages." + echo "no" | $GETTEXTIZE --force --copy || exit 1 + fi + fi + + if grep "^AC_PROG_INTLTOOL" $basename >/dev/null || + grep "^IT_PROG_INTLTOOL" $basename >/dev/null; then + printbold "Running $INTLTOOLIZE..." + $INTLTOOLIZE --force --copy --automake || exit 1 + fi + if grep "^GTK_DOC_CHECK" $basename >/dev/null; then + printbold "Running $GTKDOCIZE..." + $GTKDOCIZE --copy || exit 1 + fi + + if [ "x$USE_COMMON_DOC_BUILD" = "xyes" ]; then + printbold "Running mate-doc-common..." + mate-doc-common --copy || exit 1 + fi + if grep "^MATE_DOC_INIT" $basename >/dev/null; then + printbold "Running $MATE_DOC_PREPARE..." + $MATE_DOC_PREPARE --force --copy || exit 1 + fi + + # Now run aclocal to pull in any additional macros needed + + # if the AC_CONFIG_MACRO_DIR() macro is used, pass that + # directory to aclocal. + m4dir=`cat "$basename" | grep '^AC_CONFIG_MACRO_DIR' | sed -n -e 's/AC_CONFIG_MACRO_DIR(\([^()]*\))/\1/p' | sed -e 's/^\[\(.*\)\]$/\1/' | sed -e 1q` + if [ -n "$m4dir" ]; then + m4dir="-I $m4dir" + fi + printbold "Running $ACLOCAL..." + $ACLOCAL $m4dir $ACLOCAL_FLAGS || exit 1 + + if grep "MATE_AUTOGEN_OBSOLETE" aclocal.m4 >/dev/null; then + printerr "*** obsolete mate macros were used in $configure_ac" + fi + + # Now that all the macros are sorted, run autoconf and autoheader ... + printbold "Running $AUTOCONF..." + $AUTOCONF || exit 1 + if grep "^A[CM]_CONFIG_HEADER" $basename >/dev/null; then + printbold "Running $AUTOHEADER..." + $AUTOHEADER || exit 1 + # this prevents automake from thinking config.h.in is out of + # date, since autoheader doesn't touch the file if it doesn't + # change. + test -f config.h.in && touch config.h.in + fi + + # Finally, run automake to create the makefiles ... + printbold "Running $AUTOMAKE..." + if [ -f COPYING ]; then + cp -pf COPYING COPYING.autogen_bak + fi + if [ -f INSTALL ]; then + cp -pf INSTALL INSTALL.autogen_bak + fi + if [ $REQUIRED_AUTOMAKE_VERSION != 1.4 ]; then + $AUTOMAKE --gnu --add-missing --force --copy -Wno-portability || exit 1 + else + $AUTOMAKE --gnu --add-missing --copy || exit 1 + fi + if [ -f COPYING.autogen_bak ]; then + cmp COPYING COPYING.autogen_bak > /dev/null || cp -pf COPYING.autogen_bak COPYING + rm -f COPYING.autogen_bak + fi + if [ -f INSTALL.autogen_bak ]; then + cmp INSTALL INSTALL.autogen_bak > /dev/null || cp -pf INSTALL.autogen_bak INSTALL + rm -f INSTALL.autogen_bak + fi + + cd "$topdir" + fi +done + +conf_flags="" + +if $want_maintainer_mode; then + conf_flags="--enable-maintainer-mode" +fi + +if test x$NOCONFIGURE = x; then + printbold Running $srcdir/configure $conf_flags "$@" ... + $srcdir/configure $conf_flags "$@" \ + && echo Now type \`make\' to compile $PKG_NAME || exit 1 +else + echo Skipping configure process. +fi diff --git a/macros/mate-common.m4 b/macros/mate-common.m4 new file mode 100644 index 0000000..e3719f1 --- /dev/null +++ b/macros/mate-common.m4 @@ -0,0 +1,50 @@ +# mate-common.m4 +# + +dnl MATE_COMMON_INIT + +AC_DEFUN([MATE_COMMON_INIT], +[ + dnl this macro should come after AC_CONFIG_MACRO_DIR + AC_BEFORE([AC_CONFIG_MACRO_DIR], [$0]) + + dnl ensure that when the Automake generated makefile calls aclocal, + dnl it honours the $ACLOCAL_FLAGS environment variable + ACLOCAL_AMFLAGS="\${ACLOCAL_FLAGS}" + if test -n "$ac_macro_dir"; then + ACLOCAL_AMFLAGS="-I $ac_macro_dir $ACLOCAL_AMFLAGS" + fi + + AC_SUBST([ACLOCAL_AMFLAGS]) +]) + +AC_DEFUN([MATE_DEBUG_CHECK], +[ + AC_ARG_ENABLE([debug], + AC_HELP_STRING([--enable-debug], + [turn on debugging]),, + [enable_debug=no]) + + if test x$enable_debug = xyes ; then + AC_DEFINE(MATE_ENABLE_DEBUG, 1, + [Enable additional debugging at the expense of performance and size]) + fi +]) + +dnl MATE_MAINTAINER_MODE_DEFINES () +dnl define DISABLE_DEPRECATED +dnl +AC_DEFUN([MATE_MAINTAINER_MODE_DEFINES], +[ + AC_REQUIRE([AM_MAINTAINER_MODE]) + + DISABLE_DEPRECATED="" + if test $USE_MAINTAINER_MODE = yes; then + DOMAINS="G ATK PANGO GDK GDK_PIXBUF GTK MATECONF MATECOMPONENT MATECOMPONENT_UI MATE LIBGLADE VTE MATE_VFS WNCK LIBSOUP" + for DOMAIN in $DOMAINS; do + DISABLE_DEPRECATED="$DISABLE_DEPRECATED -D${DOMAIN}_DISABLE_DEPRECATED -D${DOMAIN}_DISABLE_SINGLE_INCLUDES" + done + fi + + AC_SUBST(DISABLE_DEPRECATED) +]) diff --git a/macros/mate-compiler-flags.m4 b/macros/mate-compiler-flags.m4 new file mode 100644 index 0000000..561f8d9 --- /dev/null +++ b/macros/mate-compiler-flags.m4 @@ -0,0 +1,141 @@ +dnl MATE_COMPILE_WARNINGS +dnl Turn on many useful compiler warnings +dnl For now, only works on GCC +AC_DEFUN([MATE_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 For C++, do basically the same thing. + +AC_DEFUN([MATE_CXX_WARNINGS],[ + AC_ARG_ENABLE(cxx-warnings, + AC_HELP_STRING([--enable-cxx-warnings=@<:@no/minimum/yes@:>@] + [Turn on compiler warnings.]),, + [enable_cxx_warnings="m4_default([$1],[minimum])"]) + + AC_MSG_CHECKING(what warning flags to pass to the C++ compiler) + warnCXXFLAGS= + if test "x$GXX" != xyes; then + enable_cxx_warnings=no + fi + if test "x$enable_cxx_warnings" != "xno"; then + if test "x$GXX" = "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="$warnCXXFLAGS -Wshadow -Woverloaded-virtual" + fi + fi + fi + AC_MSG_RESULT($warnCXXFLAGS) + + AC_ARG_ENABLE(iso-cxx, + AC_HELP_STRING([--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$enable_iso_cxx" != "xno"; then + if test "x$GXX" = "xyes"; then + case " $CXXFLAGS " in + *[\ \ ]-ansi[\ \ ]*) ;; + *) complCXXFLAGS="$complCXXFLAGS -ansi" ;; + esac + + case " $CXXFLAGS " in + *[\ \ ]-pedantic[\ \ ]*) ;; + *) complCXXFLAGS="$complCXXFLAGS -pedantic" ;; + esac + fi + fi + AC_MSG_RESULT($complCXXFLAGS) + + WARN_CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS" + AC_SUBST(WARN_CXXFLAGS) +]) |