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Packages should add one of these cflags to # their AM_CFLAGS (or other appropriate *_CFLAGS) to use them. AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[ AC_ARG_ENABLE(malloc0returnsnull, AC_HELP_STRING([--enable-malloc0returnsnull], [malloc(0) returns NULL (default: auto)]), [MALLOC_ZERO_RETURNS_NULL=$enableval], [MALLOC_ZERO_RETURNS_NULL=auto]) AC_MSG_CHECKING([whether malloc(0) returns NULL]) if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then AC_RUN_IFELSE([ char *malloc(); char *realloc(); char *calloc(); main() { char *m0, *r0, *c0, *p; m0 = malloc(0); p = malloc(10); r0 = realloc(p,0); c0 = calloc(0); exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1); }], [MALLOC_ZERO_RETURNS_NULL=yes], [MALLOC_ZERO_RETURNS_NULL=no]) fi AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL]) if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL" XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC" else MALLOC_ZERO_CFLAGS="" XMALLOC_ZERO_CFLAGS="" XTMALLOC_ZERO_CFLAGS="" fi AC_SUBST([MALLOC_ZERO_CFLAGS]) AC_SUBST([XMALLOC_ZERO_CFLAGS]) AC_SUBST([XTMALLOC_ZERO_CFLAGS]) ]) # XORG_CHECK_MALLOC_ZERO # XORG_WITH_LINT() # ---------------- # Minimum version: 1.1.0 # # Sets up flags for source checkers such as lint and sparse if --with-lint # is specified. (Use --with-lint=sparse for sparse.) # Sets $LINT to name of source checker passed with --with-lint (default: lint) # Sets $LINT_FLAGS to flags to pass to source checker # Sets LINT automake conditional if enabled (default: disabled) # AC_DEFUN([XORG_WITH_LINT],[ # Allow checking code with lint, sparse, etc. AC_ARG_WITH(lint, [AC_HELP_STRING([--with-lint], [Use a lint-style source code checker (default: disabled)])], [use_lint=$withval], [use_lint=no]) if test "x$use_lint" = "xyes" ; then LINT="lint" else LINT="$use_lint" fi if test "x$LINT_FLAGS" = "x" -a "x$LINT" != "xno" ; then case $LINT in lint|*/lint) case $host_os in solaris*) LINT_FLAGS="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2" ;; esac ;; esac fi AC_SUBST(LINT) AC_SUBST(LINT_FLAGS) AM_CONDITIONAL(LINT, [test x$LINT != xno]) ]) # XORG_WITH_LINT # XORG_LINT_LIBRARY(LIBNAME) # -------------------------- # Minimum version: 1.1.0 # # Sets up flags for building lint libraries for checking programs that call # functions in the library. # Disabled by default, enable with --enable-lint-library # Sets: # @LINTLIB@ - name of lint library file to make # MAKE_LINT_LIB - automake conditional # AC_DEFUN([XORG_LINT_LIBRARY],[ AC_REQUIRE([XORG_WITH_LINT]) # Build lint "library" for more indepth checks of programs calling this library AC_ARG_ENABLE(lint-library, [AC_HELP_STRING([--enable-lint-library], [Create lint library (default: disabled)])], [make_lint_lib=$enableval], [make_lint_lib=no]) if test "x$make_lint_lib" != "xno" ; then if test "x$LINT" = "xno" ; then AC_MSG_ERROR([Cannot make lint library without --with-lint]) fi if test "x$make_lint_lib" = "xyes" ; then LINTLIB=llib-l$1.ln else LINTLIB=$make_lint_lib fi fi AC_SUBST(LINTLIB) AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno]) ]) # XORG_LINT_LIBRARY # XORG_CWARNFLAGS # --------------- # Minimum version: 1.2.0 # # Defines CWARNFLAGS to enable C compiler warnings. # AC_DEFUN([XORG_CWARNFLAGS], [ AC_REQUIRE([AC_PROG_CC]) if test "x$GCC" = xyes ; then CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \ -Wmissing-declarations -Wnested-externs -fno-strict-aliasing \ -Wbad-function-cast" case `gcc -dumpversion` in 3.4.* | 4.*) CWARNFLAGS+=" -Wold-style-definition -Wdeclaration-after-statement" ;; esac else AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) if test "x$SUNCC" = "xyes"; then CWARNFLAGS="-v" fi fi AC_SUBST(CWARNFLAGS) ]) # XORG_CWARNFLAGS dnl Copyright 2005 Red Hat, Inc dnl dnl Permission to use, copy, modify, distribute, and sell this software and its dnl documentation for any purpose is hereby granted without fee, provided that dnl the above copyright notice appear in all copies and that both that dnl copyright notice and this permission notice appear in supporting dnl documentation. dnl dnl The above copyright notice and this permission notice shall be included dnl in all copies or substantial portions of the Software. dnl dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR dnl OTHER DEALINGS IN THE SOFTWARE. dnl dnl Except as contained in this notice, the name of the copyright holders shall dnl not be used in advertising or otherwise to promote the sale, use or dnl other dealings in this Software without prior written authorization dnl from the copyright holders. dnl # XORG_RELEASE_VERSION # -------------------- # Adds --with/without-release-string and changes the PACKAGE and # PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION". If # no option is given, PACKAGE and PACKAGE_TARNAME are unchanged. Also # defines PACKAGE_VERSION_{MAJOR,MINOR,PATCHLEVEL} for modules to use. AC_DEFUN([XORG_RELEASE_VERSION],[ AC_ARG_WITH(release-version, AC_HELP_STRING([--with-release-version=STRING], [Use release version string in package name]), [RELEASE_VERSION="$withval"], [RELEASE_VERSION=""]) if test "x$RELEASE_VERSION" != "x"; then PACKAGE="$PACKAGE-$RELEASE_VERSION" PACKAGE_TARNAME="$PACKAGE_TARNAME-$RELEASE_VERSION" AC_MSG_NOTICE([Building with package name set to $PACKAGE]) fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR], [`echo $PACKAGE_VERSION | cut -d . -f 1`], [Major version of this package]) PVM=`echo $PACKAGE_VERSION | cut -d . -f 2 | cut -d - -f 1` if test "x$PVM" = "x"; then PVM="0" fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR], [$PVM], [Minor version of this package]) PVP=`echo $PACKAGE_VERSION | cut -d . -f 3 | cut -d - -f 1` if test "x$PVP" = "x"; then PVP="0" fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCHLEVEL], [$PVP], [Patch version of this package]) ]) # XORG_CHANGELOG() # ---------------- # Minimum version: 1.2.0 # # Defines the variable CHANGELOG_CMD as the command to generate # ChangeLog from git. # # Arrange that distcleancheck ignores ChangeLog left over by distclean. # AC_DEFUN([XORG_CHANGELOG], [ CHANGELOG_CMD="(GIT_DIR=\$(top_srcdir)/.git git log > .changelog.tmp && \ mv .changelog.tmp ChangeLog) || (rm -f .changelog.tmp; touch ChangeLog; \ echo 'git directory not found: installing possibly empty changelog.' >&2)" AC_SUBST([CHANGELOG_CMD]) AC_SUBST([distcleancheck_listfiles], ['find . -type f ! -name ChangeLog -print']) ]) # XORG_CHANGELOG dnl Copyright 2005 Red Hat, Inc dnl dnl Permission to use, copy, modify, distribute, and sell this software and its dnl documentation for any purpose is hereby granted without fee, provided that dnl the above copyright notice appear in all copies and that both that dnl copyright notice and this permission notice appear in supporting dnl documentation. dnl dnl The above copyright notice and this permission notice shall be included dnl in all copies or substantial portions of the Software. dnl dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR dnl OTHER DEALINGS IN THE SOFTWARE. dnl dnl Except as contained in this notice, the name of the copyright holders shall dnl not be used in advertising or otherwise to promote the sale, use or dnl other dealings in this Software without prior written authorization dnl from the copyright holders. dnl # XORG_RELEASE_VERSION # -------------------- # Adds --with/without-release-string and changes the PACKAGE and # PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION". If # no option is given, PACKAGE and PACKAGE_TARNAME are unchanged. Also # defines PACKAGE_VERSION_{MAJOR,MINOR,PATCHLEVEL} for modules to use. AC_DEFUN([XORG_RELEASE_VERSION],[ AC_ARG_WITH(release-version, AC_HELP_STRING([--with-release-version=STRING], [Use release version string in package name]), [RELEASE_VERSION="$withval"], [RELEASE_VERSION=""]) if test "x$RELEASE_VERSION" != "x"; then PACKAGE="$PACKAGE-$RELEASE_VERSION" PACKAGE_TARNAME="$PACKAGE_TARNAME-$RELEASE_VERSION" AC_MSG_NOTICE([Building with package name set to $PACKAGE]) fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR], [`echo $PACKAGE_VERSION | cut -d . -f 1`], [Major version of this package]) PVM=`echo $PACKAGE_VERSION | cut -d . -f 2 | cut -d - -f 1` if test "x$PVM" = "x"; then PVM="0" fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR], [$PVM], [Minor version of this package]) PVP=`echo $PACKAGE_VERSION | cut -d . -f 3 | cut -d - -f 1` if test "x$PVP" = "x"; then PVP="0" fi AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCHLEVEL], [$PVP], [Patch version of this package]) ])