xenocara/util/macros/xorg-macros.m4
2006-11-25 16:15:45 +00:00

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dnl
dnl Copyright 2005-2006 Sun Microsystems, Inc. All rights reserved.
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining a
dnl copy of this software and associated documentation files (the
dnl "Software"), to deal in the Software without restriction, including
dnl without limitation the rights to use, copy, modify, merge, publish,
dnl distribute, and/or sell copies of the Software, and to permit persons
dnl to whom the Software is furnished to do so, provided that the above
dnl copyright notice(s) and this permission notice appear in all copies of
dnl the Software and that both the above copyright notice(s) and this
dnl permission notice appear in supporting documentation.
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 OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
dnl HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
dnl INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
dnl FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
dnl NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
dnl WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
dnl
dnl Except as contained in this notice, the name of a copyright holder
dnl shall not be used in advertising or otherwise to promote the sale, use
dnl or other dealings in this Software without prior written authorization
dnl of the copyright holder.
# XORG_MACROS_VERSION(required-version)
# -------------------------------------
# Minimum version: 1.1.0
#
# If you're using a macro added in Version 1.1 or newer, include this in
# your configure.ac with the minimum required version, such as:
# XORG_MACROS_VERSION(1.1)
#
# To force at least a version with this macro defined, also add:
# m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.1 or later before running autoconf/autogen])])
#
#
# See the "minimum version" comment for each macro you use to see what
# version you require.
AC_DEFUN([XORG_MACROS_VERSION],[
[XORG_MACROS_needed_version=$1
XORG_MACROS_needed_major=`echo $XORG_MACROS_needed_version | sed 's/\..*$//'`
XORG_MACROS_needed_minor=`echo $XORG_MACROS_needed_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`]
AC_MSG_CHECKING([if xorg-macros used to generate configure is at least ${XORG_MACROS_needed_major}.${XORG_MACROS_needed_minor}])
[XORG_MACROS_version=1.1.2
XORG_MACROS_major=`echo $XORG_MACROS_version | sed 's/\..*$//'`
XORG_MACROS_minor=`echo $XORG_MACROS_version | sed -e 's/^[0-9]*\.//' -e 's/\..*$//'`]
if test $XORG_MACROS_major -ne $XORG_MACROS_needed_major ; then
AC_MSG_ERROR([configure built with incompatible version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.x])
fi
if test $XORG_MACROS_minor -lt $XORG_MACROS_needed_minor ; then
AC_MSG_ERROR([configure built with too old of a version of xorg-macros.m4 - requires version ${XORG_MACROS_major}.${XORG_MACROS_minor}.0 or newer])
fi
AC_MSG_RESULT([yes, $XORG_MACROS_version])
]) # XORG_MACROS_VERSION
# XORG_PROG_RAWCPP()
# ------------------
# Minimum version: 1.0.0
#
# Find cpp program and necessary flags for use in pre-processing text files
# such as man pages and config files
AC_DEFUN([XORG_PROG_RAWCPP],[
AC_REQUIRE([AC_PROG_CPP])
AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}],
[$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib])
# Check for flag to avoid builtin definitions - assumes unix is predefined,
# which is not the best choice for supporting other OS'es, but covers most
# of the ones we need for now.
AC_MSG_CHECKING([if $RAWCPP requires -undef])
AC_LANG_CONFTEST([Does cpp redefine unix ?])
if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
AC_MSG_RESULT([no])
else
if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
RAWCPPFLAGS=-undef
AC_MSG_RESULT([yes])
else
AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef. I don't know what to do.])
fi
fi
rm -f conftest.$ac_ext
AC_MSG_CHECKING([if $RAWCPP requires -traditional])
AC_LANG_CONFTEST([Does cpp preserve "whitespace"?])
if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then
AC_MSG_RESULT([no])
else
if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then
RAWCPPFLAGS="${RAWCPPFLAGS} -traditional"
AC_MSG_RESULT([yes])
else
AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional. I don't know what to do.])
fi
fi
rm -f conftest.$ac_ext
AC_SUBST(RAWCPPFLAGS)
]) # XORG_PROG_RAWCPP
# XORG_MANPAGE_SECTIONS()
# -----------------------
# Minimum version: 1.0.0
#
# Determine which sections man pages go in for the different man page types
# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files.
# Not sure if there's any better way than just hardcoding by OS name.
# Override default settings by setting environment variables
AC_DEFUN([XORG_MANPAGE_SECTIONS],[
AC_REQUIRE([AC_CANONICAL_HOST])
if test x$APP_MAN_SUFFIX = x ; then
APP_MAN_SUFFIX=1
fi
if test x$APP_MAN_DIR = x ; then
APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)'
fi
if test x$LIB_MAN_SUFFIX = x ; then
LIB_MAN_SUFFIX=3
fi
if test x$LIB_MAN_DIR = x ; then
LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)'
fi
if test x$FILE_MAN_SUFFIX = x ; then
case $host_os in
solaris*) FILE_MAN_SUFFIX=4 ;;
*) FILE_MAN_SUFFIX=5 ;;
esac
fi
if test x$FILE_MAN_DIR = x ; then
FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)'
fi
if test x$MISC_MAN_SUFFIX = x ; then
case $host_os in
solaris*) MISC_MAN_SUFFIX=5 ;;
*) MISC_MAN_SUFFIX=7 ;;
esac
fi
if test x$MISC_MAN_DIR = x ; then
MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)'
fi
if test x$DRIVER_MAN_SUFFIX = x ; then
case $host_os in
solaris*) DRIVER_MAN_SUFFIX=7 ;;
*) DRIVER_MAN_SUFFIX=4 ;;
esac
fi
if test x$DRIVER_MAN_DIR = x ; then
DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)'
fi
if test x$ADMIN_MAN_SUFFIX = x ; then
case $host_os in
solaris*) ADMIN_MAN_SUFFIX=1m ;;
*) ADMIN_MAN_SUFFIX=8 ;;
esac
fi
if test x$ADMIN_MAN_DIR = x ; then
ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)'
fi
AC_SUBST([APP_MAN_SUFFIX])
AC_SUBST([LIB_MAN_SUFFIX])
AC_SUBST([FILE_MAN_SUFFIX])
AC_SUBST([MISC_MAN_SUFFIX])
AC_SUBST([DRIVER_MAN_SUFFIX])
AC_SUBST([ADMIN_MAN_SUFFIX])
AC_SUBST([APP_MAN_DIR])
AC_SUBST([LIB_MAN_DIR])
AC_SUBST([FILE_MAN_DIR])
AC_SUBST([MISC_MAN_DIR])
AC_SUBST([DRIVER_MAN_DIR])
AC_SUBST([ADMIN_MAN_DIR])
]) # XORG_MANPAGE_SECTIONS
# XORG_CHECK_LINUXDOC
# -------------------
# Minimum version: 1.0.0
#
# Defines the variable MAKE_TEXT if the necessary tools and
# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt.
# Whether or not the necessary tools and files are found can be checked
# with the AM_CONDITIONAL "BUILD_LINUXDOC"
AC_DEFUN([XORG_CHECK_LINUXDOC],[
XORG_SGML_PATH=$prefix/share/sgml
HAVE_DEFS_ENT=
AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes])
AC_PATH_PROG(LINUXDOC, linuxdoc)
AC_PATH_PROG(PS2PDF, ps2pdf)
AC_MSG_CHECKING([Whether to build documentation])
if test x$HAVE_DEFS_ENT != x && test x$LINUXDOC != x ; then
BUILDDOC=yes
else
BUILDDOC=no
fi
AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes])
AC_MSG_RESULT([$BUILDDOC])
AC_MSG_CHECKING([Whether to build pdf documentation])
if test x$PS2PDF != x && test x$BUILD_PDFDOC != xno; then
BUILDPDFDOC=yes
else
BUILDPDFDOC=no
fi
AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes])
AC_MSG_RESULT([$BUILDPDFDOC])
MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt"
MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps"
MAKE_PDF="$PS2PDF"
MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B html --split=0"
AC_SUBST(MAKE_TEXT)
AC_SUBST(MAKE_PS)
AC_SUBST(MAKE_PDF)
AC_SUBST(MAKE_HTML)
]) # XORG_CHECK_LINUXDOC
# XORG_CHECK_DOCBOOK
# -------------------
# Minimum version: 1.0.0
#
# Checks for the ability to build output formats from SGML DocBook source.
# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC"
# indicates whether the necessary tools and files are found and, if set,
# $(MAKE_XXX) blah.sgml will produce blah.xxx.
AC_DEFUN([XORG_CHECK_DOCBOOK],[
XORG_SGML_PATH=$prefix/share/sgml
HAVE_DEFS_ENT=
BUILDTXTDOC=no
BUILDPDFDOC=no
BUILDPSDOC=no
BUILDHTMLDOC=no
AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes])
AC_PATH_PROG(DOCBOOKPS, docbook2ps)
AC_PATH_PROG(DOCBOOKPDF, docbook2pdf)
AC_PATH_PROG(DOCBOOKHTML, docbook2html)
AC_PATH_PROG(DOCBOOKTXT, docbook2txt)
AC_MSG_CHECKING([Whether to build text documentation])
if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKTXT != x &&
test x$BUILD_TXTDOC != xno; then
BUILDTXTDOC=yes
fi
AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes])
AC_MSG_RESULT([$BUILDTXTDOC])
AC_MSG_CHECKING([Whether to build PDF documentation])
if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPDF != x &&
test x$BUILD_PDFDOC != xno; then
BUILDPDFDOC=yes
fi
AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes])
AC_MSG_RESULT([$BUILDPDFDOC])
AC_MSG_CHECKING([Whether to build PostScript documentation])
if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPS != x &&
test x$BUILD_PSDOC != xno; then
BUILDPSDOC=yes
fi
AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes])
AC_MSG_RESULT([$BUILDPSDOC])
AC_MSG_CHECKING([Whether to build HTML documentation])
if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKHTML != x &&
test x$BUILD_HTMLDOC != xno; then
BUILDHTMLDOC=yes
fi
AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes])
AC_MSG_RESULT([$BUILDHTMLDOC])
MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT"
MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS"
MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF"
MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML"
AC_SUBST(MAKE_TEXT)
AC_SUBST(MAKE_PS)
AC_SUBST(MAKE_PDF)
AC_SUBST(MAKE_HTML)
]) # XORG_CHECK_DOCBOOK
# XORG_CHECK_MALLOC_ZERO
# ----------------------
# Minimum version: 1.0.0
#
# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if
# malloc(0) returns NULL. Packages should add one of these cflags to
# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them.
AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[
AC_ARG_ENABLE(malloc0returnsnull,
AC_HELP_STRING([--enable-malloc0returnsnull],
[malloc(0) returns NULL (default: auto)]),
[MALLOC_ZERO_RETURNS_NULL=$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