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-rw-r--r--xgamma/aclocal.m41066
1 files changed, 861 insertions, 205 deletions
diff --git a/xgamma/aclocal.m4 b/xgamma/aclocal.m4
index 641b5d9..464110b 100644
--- a/xgamma/aclocal.m4
+++ b/xgamma/aclocal.m4
@@ -1016,6 +1016,162 @@ AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR
+# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
+#
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+ AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+ _pkg_min_version=m4_default([$1], [0.9.0])
+ AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ PKG_CONFIG=""
+ fi
+
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists. Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+#
+# Similar to PKG_CHECK_MODULES, make sure that the first instance of
+# this or PKG_CHECK_MODULES is called, or make sure to call
+# PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+ m4_ifval([$2], [$2], [:])
+m4_ifvaln([$3], [else
+ $3])dnl
+fi])
+
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+ pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+ PKG_CHECK_EXISTS([$3],
+ [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
+ [pkg_failed=yes])
+ else
+ pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+ _pkg_short_errors_supported=yes
+else
+ _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+ _PKG_SHORT_ERRORS_SUPPORTED
+ if test $_pkg_short_errors_supported = yes; then
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
+ else
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
+ fi
+ # Put the nasty error message in config.log where it belongs
+ echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+ ifelse([$4], , [AC_MSG_ERROR(dnl
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT
+])],
+ [AC_MSG_RESULT([no])
+ $4])
+elif test $pkg_failed = untried; then
+ ifelse([$4], , [AC_MSG_FAILURE(dnl
+[The pkg-config script could not be found or is too old. Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
+ [$4])
+else
+ $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+ $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+ AC_MSG_RESULT([yes])
+ ifelse([$3], , :, [$3])
+fi[]dnl
+])# PKG_CHECK_MODULES
+
dnl xorg-macros.m4. Generated from xorg-macros.m4.in xorgversion.m4 by configure.
dnl
dnl Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
@@ -1055,7 +1211,7 @@ dnl DEALINGS IN THE SOFTWARE.
# See the "minimum version" comment for each macro you use to see what
# version you require.
m4_defun([XORG_MACROS_VERSION],[
-m4_define([vers_have], [1.11.0])
+m4_define([vers_have], [1.17])
m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.])))
m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.])))
m4_if(m4_cmp(maj_have, maj_needed), 0,,
@@ -1082,7 +1238,7 @@ AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}],
# 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 $RAWCPP requires -undef])
-AC_LANG_CONFTEST([Does cpp redefine unix ?])
+AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp redefine unix ?]])])
if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
AC_MSG_RESULT([no])
else
@@ -1100,7 +1256,7 @@ fi
rm -f conftest.$ac_ext
AC_MSG_CHECKING([if $RAWCPP requires -traditional])
-AC_LANG_CONFTEST([Does cpp preserve "whitespace"?])
+AC_LANG_CONFTEST([AC_LANG_SOURCE([[Does cpp preserve "whitespace"?]])])
if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then
AC_MSG_RESULT([no])
else
@@ -1450,6 +1606,123 @@ AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes])
AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes])
]) # XORG_WITH_XMLTO
+# XORG_WITH_XSLTPROC([MIN-VERSION], [DEFAULT])
+# --------------------------------------------
+# Minimum version: 1.12.0
+# Minimum version for optional DEFAULT argument: 1.12.0
+#
+# XSLT (Extensible Stylesheet Language Transformations) is a declarative,
+# XML-based language used for the transformation of XML documents.
+# The xsltproc command line tool is for applying XSLT stylesheets to XML documents.
+# It is used under the cover by xmlto to generate html files from DocBook/XML.
+# The XSLT processor is often used as a standalone tool for transformations.
+# It should not be assumed that this tool is used only to work with documnetation.
+# When DEFAULT is not specified, --with-xsltproc assumes 'auto'.
+#
+# Interface to module:
+# HAVE_XSLTPROC: used in makefiles to conditionally generate documentation
+# XSLTPROC: returns the path of the xsltproc program found
+# returns the path set by the user in the environment
+# --with-xsltproc: 'yes' user instructs the module to use xsltproc
+# 'no' user instructs the module not to use xsltproc
+# have_xsltproc: returns yes if xsltproc found in PATH or no
+#
+# If the user sets the value of XSLTPROC, AC_PATH_PROG skips testing the path.
+#
+AC_DEFUN([XORG_WITH_XSLTPROC],[
+AC_ARG_VAR([XSLTPROC], [Path to xsltproc command])
+# Preserves the interface, should it be implemented later
+m4_ifval([$1], [m4_warn([syntax], [Checking for xsltproc MIN-VERSION is not implemented])])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(xsltproc,
+ AS_HELP_STRING([--with-xsltproc],
+ [Use xsltproc for the transformation of XML documents (default: ]_defopt[)]),
+ [use_xsltproc=$withval], [use_xsltproc=]_defopt)
+m4_undefine([_defopt])
+
+if test "x$use_xsltproc" = x"auto"; then
+ AC_PATH_PROG([XSLTPROC], [xsltproc])
+ if test "x$XSLTPROC" = "x"; then
+ AC_MSG_WARN([xsltproc not found - cannot transform XML documents])
+ have_xsltproc=no
+ else
+ have_xsltproc=yes
+ fi
+elif test "x$use_xsltproc" = x"yes" ; then
+ AC_PATH_PROG([XSLTPROC], [xsltproc])
+ if test "x$XSLTPROC" = "x"; then
+ AC_MSG_ERROR([--with-xsltproc=yes specified but xsltproc not found in PATH])
+ fi
+ have_xsltproc=yes
+elif test "x$use_xsltproc" = x"no" ; then
+ if test "x$XSLTPROC" != "x"; then
+ AC_MSG_WARN([ignoring XSLTPROC environment variable since --with-xsltproc=no was specified])
+ fi
+ have_xsltproc=no
+else
+ AC_MSG_ERROR([--with-xsltproc expects 'yes' or 'no'])
+fi
+
+AM_CONDITIONAL([HAVE_XSLTPROC], [test "$have_xsltproc" = yes])
+]) # XORG_WITH_XSLTPROC
+
+# XORG_WITH_PERL([MIN-VERSION], [DEFAULT])
+# ----------------------------------------
+# Minimum version: 1.15.0
+#
+# PERL (Practical Extraction and Report Language) is a language optimized for
+# scanning arbitrary text files, extracting information from those text files,
+# and printing reports based on that information.
+#
+# When DEFAULT is not specified, --with-perl assumes 'auto'.
+#
+# Interface to module:
+# HAVE_PERL: used in makefiles to conditionally scan text files
+# PERL: returns the path of the perl program found
+# returns the path set by the user in the environment
+# --with-perl: 'yes' user instructs the module to use perl
+# 'no' user instructs the module not to use perl
+# have_perl: returns yes if perl found in PATH or no
+#
+# If the user sets the value of PERL, AC_PATH_PROG skips testing the path.
+#
+AC_DEFUN([XORG_WITH_PERL],[
+AC_ARG_VAR([PERL], [Path to perl command])
+# Preserves the interface, should it be implemented later
+m4_ifval([$1], [m4_warn([syntax], [Checking for perl MIN-VERSION is not implemented])])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(perl,
+ AS_HELP_STRING([--with-perl],
+ [Use perl for extracting information from files (default: ]_defopt[)]),
+ [use_perl=$withval], [use_perl=]_defopt)
+m4_undefine([_defopt])
+
+if test "x$use_perl" = x"auto"; then
+ AC_PATH_PROG([PERL], [perl])
+ if test "x$PERL" = "x"; then
+ AC_MSG_WARN([perl not found - cannot extract information and report])
+ have_perl=no
+ else
+ have_perl=yes
+ fi
+elif test "x$use_perl" = x"yes" ; then
+ AC_PATH_PROG([PERL], [perl])
+ if test "x$PERL" = "x"; then
+ AC_MSG_ERROR([--with-perl=yes specified but perl not found in PATH])
+ fi
+ have_perl=yes
+elif test "x$use_perl" = x"no" ; then
+ if test "x$PERL" != "x"; then
+ AC_MSG_WARN([ignoring PERL environment variable since --with-perl=no was specified])
+ fi
+ have_perl=no
+else
+ AC_MSG_ERROR([--with-perl expects 'yes' or 'no'])
+fi
+
+AM_CONDITIONAL([HAVE_PERL], [test "$have_perl" = yes])
+]) # XORG_WITH_PERL
+
# XORG_WITH_ASCIIDOC([MIN-VERSION], [DEFAULT])
# ----------------
# Minimum version: 1.5.0
@@ -1695,10 +1968,11 @@ AM_CONDITIONAL([HAVE_GROFF_MM], [test "$groff_mm_works" = yes])
AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes])
]) # XORG_WITH_GROFF
-# XORG_WITH_FOP([DEFAULT])
-# ----------------
+# XORG_WITH_FOP([MIN-VERSION], [DEFAULT])
+# ---------------------------------------
# Minimum version: 1.6.0
# Minimum version for optional DEFAULT argument: 1.11.0
+# Minimum version for optional MIN-VERSION argument: 1.15.0
#
# Documentation tools are not always available on all platforms and sometimes
# not at the appropriate level. This macro enables a module to test for the
@@ -1718,7 +1992,7 @@ AM_CONDITIONAL([HAVE_GROFF_HTML], [test "$have_groff_html" = yes])
#
AC_DEFUN([XORG_WITH_FOP],[
AC_ARG_VAR([FOP], [Path to fop command])
-m4_define([_defopt], m4_default([$1], [auto]))
+m4_define([_defopt], m4_default([$2], [auto]))
AC_ARG_WITH(fop,
AS_HELP_STRING([--with-fop],
[Use fop to regenerate documentation (default: ]_defopt[)]),
@@ -1747,6 +2021,22 @@ elif test "x$use_fop" = x"no" ; then
else
AC_MSG_ERROR([--with-fop expects 'yes' or 'no'])
fi
+
+# Test for a minimum version of fop, if provided.
+m4_ifval([$1],
+[if test "$have_fop" = yes; then
+ # scrape the fop version
+ AC_MSG_CHECKING([for fop minimum version])
+ fop_version=`$FOP -version 2>/dev/null | cut -d' ' -f3`
+ AC_MSG_RESULT([$fop_version])
+ AS_VERSION_COMPARE([$fop_version], [$1],
+ [if test "x$use_fop" = xauto; then
+ AC_MSG_WARN([fop version $fop_version found, but $1 needed])
+ have_fop=no
+ else
+ AC_MSG_ERROR([fop version $fop_version found, but $1 needed])
+ fi])
+fi])
AM_CONDITIONAL([HAVE_FOP], [test "$have_fop" = yes])
]) # XORG_WITH_FOP
@@ -1829,12 +2119,12 @@ AM_CONDITIONAL([HAVE_PS2PDF], [test "$have_ps2pdf" = yes])
# parm1: specify the default value, yes or no.
#
AC_DEFUN([XORG_ENABLE_DOCS],[
-m4_define([default], m4_default([$1], [yes]))
+m4_define([docs_default], m4_default([$1], [yes]))
AC_ARG_ENABLE(docs,
AS_HELP_STRING([--enable-docs],
- [Enable building the documentation (default: ]default[)]),
- [build_docs=$enableval], [build_docs=]default)
-m4_undefine([default])
+ [Enable building the documentation (default: ]docs_default[)]),
+ [build_docs=$enableval], [build_docs=]docs_default)
+m4_undefine([docs_default])
AM_CONDITIONAL(ENABLE_DOCS, [test x$build_docs = xyes])
AC_MSG_CHECKING([whether to build documentation])
AC_MSG_RESULT([$build_docs])
@@ -1906,6 +2196,288 @@ AC_MSG_CHECKING([whether to build functional specifications])
AC_MSG_RESULT([$build_specs])
]) # XORG_ENABLE_SPECS
+# XORG_ENABLE_UNIT_TESTS (enable_unit_tests=auto)
+# ----------------------------------------------
+# Minimum version: 1.13.0
+#
+# This macro enables a builder to enable/disable unit testing
+# It makes no assumption about the test cases implementation
+# Test cases may or may not use Automake "Support for test suites"
+# They may or may not use the software utility library GLib
+#
+# When used in conjunction with XORG_WITH_GLIB, use both AM_CONDITIONAL
+# ENABLE_UNIT_TESTS and HAVE_GLIB. Not all unit tests may use glib.
+# The variable enable_unit_tests is used by other macros in this file.
+#
+# Interface to module:
+# ENABLE_UNIT_TESTS: used in makefiles to conditionally build tests
+# enable_unit_tests: used in configure.ac for additional configuration
+# --enable-unit-tests: 'yes' user instructs the module to build tests
+# 'no' user instructs the module not to build tests
+# parm1: specify the default value, yes or no.
+#
+AC_DEFUN([XORG_ENABLE_UNIT_TESTS],[
+AC_BEFORE([$0], [XORG_WITH_GLIB])
+AC_BEFORE([$0], [XORG_LD_WRAP])
+AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS])
+m4_define([_defopt], m4_default([$1], [auto]))
+AC_ARG_ENABLE(unit-tests, AS_HELP_STRING([--enable-unit-tests],
+ [Enable building unit test cases (default: ]_defopt[)]),
+ [enable_unit_tests=$enableval], [enable_unit_tests=]_defopt)
+m4_undefine([_defopt])
+AM_CONDITIONAL(ENABLE_UNIT_TESTS, [test "x$enable_unit_tests" != xno])
+AC_MSG_CHECKING([whether to build unit test cases])
+AC_MSG_RESULT([$enable_unit_tests])
+]) # XORG_ENABLE_UNIT_TESTS
+
+# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto)
+# ------------------------------------------------------
+# Minimum version: 1.17.0
+#
+# This macro enables a builder to enable/disable integration testing
+# It makes no assumption about the test cases' implementation
+# Test cases may or may not use Automake "Support for test suites"
+#
+# Please see XORG_ENABLE_UNIT_TESTS for unit test support. Unit test support
+# usually requires less dependencies and may be built and run under less
+# stringent environments than integration tests.
+#
+# Interface to module:
+# ENABLE_INTEGRATION_TESTS: used in makefiles to conditionally build tests
+# enable_integration_tests: used in configure.ac for additional configuration
+# --enable-integration-tests: 'yes' user instructs the module to build tests
+# 'no' user instructs the module not to build tests
+# parm1: specify the default value, yes or no.
+#
+AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[
+AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS])
+m4_define([_defopt], m4_default([$1], [auto]))
+AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests],
+ [Enable building integration test cases (default: ]_defopt[)]),
+ [enable_integration_tests=$enableval],
+ [enable_integration_tests=]_defopt)
+m4_undefine([_defopt])
+AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS],
+ [test "x$enable_integration_tests" != xno])
+AC_MSG_CHECKING([whether to build unit test cases])
+AC_MSG_RESULT([$enable_integration_tests])
+]) # XORG_ENABLE_INTEGRATION_TESTS
+
+# XORG_WITH_GLIB([MIN-VERSION], [DEFAULT])
+# ----------------------------------------
+# Minimum version: 1.13.0
+#
+# GLib is a library which provides advanced data structures and functions.
+# This macro enables a module to test for the presence of Glib.
+#
+# When used with ENABLE_UNIT_TESTS, it is assumed GLib is used for unit testing.
+# Otherwise the value of $enable_unit_tests is blank.
+#
+# Please see XORG_ENABLE_INTEGRATION_TESTS for integration test support. Unit
+# test support usually requires less dependencies and may be built and run under
+# less stringent environments than integration tests.
+#
+# Interface to module:
+# HAVE_GLIB: used in makefiles to conditionally build targets
+# with_glib: used in configure.ac to know if GLib has been found
+# --with-glib: 'yes' user instructs the module to use glib
+# 'no' user instructs the module not to use glib
+#
+AC_DEFUN([XORG_WITH_GLIB],[
+AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+m4_define([_defopt], m4_default([$2], [auto]))
+AC_ARG_WITH(glib, AS_HELP_STRING([--with-glib],
+ [Use GLib library for unit testing (default: ]_defopt[)]),
+ [with_glib=$withval], [with_glib=]_defopt)
+m4_undefine([_defopt])
+
+have_glib=no
+# Do not probe GLib if user explicitly disabled unit testing
+if test "x$enable_unit_tests" != x"no"; then
+ # Do not probe GLib if user explicitly disabled it
+ if test "x$with_glib" != x"no"; then
+ m4_ifval(
+ [$1],
+ [PKG_CHECK_MODULES([GLIB], [glib-2.0 >= $1], [have_glib=yes], [have_glib=no])],
+ [PKG_CHECK_MODULES([GLIB], [glib-2.0], [have_glib=yes], [have_glib=no])]
+ )
+ fi
+fi
+
+# Not having GLib when unit testing has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"yes"; then
+ if test "x$have_glib" = x"no"; then
+ AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found])
+ fi
+fi
+
+# Having unit testing disabled when GLib has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"no"; then
+ if test "x$with_glib" = x"yes"; then
+ AC_MSG_ERROR([--enable-unit-tests=yes specified but glib-2.0 not found])
+ fi
+fi
+
+# Not having GLib when it has been explicitly requested is an error
+if test "x$with_glib" = x"yes"; then
+ if test "x$have_glib" = x"no"; then
+ AC_MSG_ERROR([--with-glib=yes specified but glib-2.0 not found])
+ fi
+fi
+
+AM_CONDITIONAL([HAVE_GLIB], [test "$have_glib" = yes])
+]) # XORG_WITH_GLIB
+
+# XORG_LD_WRAP([required|optional])
+# ---------------------------------
+# Minimum version: 1.13.0
+#
+# Check if linker supports -wrap, passed via compiler flags
+#
+# When used with ENABLE_UNIT_TESTS, it is assumed -wrap is used for unit testing.
+# Otherwise the value of $enable_unit_tests is blank.
+#
+# Argument added in 1.16.0 - default is "required", to match existing behavior
+# of returning an error if enable_unit_tests is yes, and ld -wrap is not
+# available, an argument of "optional" allows use when some unit tests require
+# ld -wrap and others do not.
+#
+AC_DEFUN([XORG_LD_WRAP],[
+XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no],
+ [AC_LANG_PROGRAM([#include <stdlib.h>
+ void __wrap_exit(int status) { return; }],
+ [exit(0);])])
+# Not having ld wrap when unit testing has been explicitly requested is an error
+if test "x$enable_unit_tests" = x"yes" -a "x$1" != "xoptional"; then
+ if test "x$have_ld_wrap" = x"no"; then
+ AC_MSG_ERROR([--enable-unit-tests=yes specified but ld -wrap support is not available])
+ fi
+fi
+AM_CONDITIONAL([HAVE_LD_WRAP], [test "$have_ld_wrap" = yes])
+#
+]) # XORG_LD_WRAP
+
+# XORG_CHECK_LINKER_FLAGS
+# -----------------------
+# SYNOPSIS
+#
+# XORG_CHECK_LINKER_FLAGS(FLAGS, [ACTION-SUCCESS], [ACTION-FAILURE], [PROGRAM-SOURCE])
+#
+# DESCRIPTION
+#
+# Check whether the given linker FLAGS work with the current language's
+# linker, or whether they give an error.
+#
+# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+# success/failure.
+#
+# PROGRAM-SOURCE is the program source to link with, if needed
+#
+# NOTE: Based on AX_CHECK_COMPILER_FLAGS.
+#
+# LICENSE
+#
+# Copyright (c) 2009 Mike Frysinger <vapier@gentoo.org>
+# Copyright (c) 2009 Steven G. Johnson <stevenj@alum.mit.edu>
+# Copyright (c) 2009 Matteo Frigo
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Archive. When you make and distribute a
+# modified version of the Autoconf Macro, you may extend this special
+# exception to the GPL to apply to your modified version as well.#
+AC_DEFUN([XORG_CHECK_LINKER_FLAGS],
+[AC_MSG_CHECKING([whether the linker accepts $1])
+dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname:
+AS_LITERAL_IF([$1],
+ [AC_CACHE_VAL(AS_TR_SH(xorg_cv_linker_flags_[$1]), [
+ ax_save_FLAGS=$LDFLAGS
+ LDFLAGS="$1"
+ AC_LINK_IFELSE([m4_default([$4],[AC_LANG_PROGRAM()])],
+ AS_TR_SH(xorg_cv_linker_flags_[$1])=yes,
+ AS_TR_SH(xorg_cv_linker_flags_[$1])=no)
+ LDFLAGS=$ax_save_FLAGS])],
+ [ax_save_FLAGS=$LDFLAGS
+ LDFLAGS="$1"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM()],
+ eval AS_TR_SH(xorg_cv_linker_flags_[$1])=yes,
+ eval AS_TR_SH(xorg_cv_linker_flags_[$1])=no)
+ LDFLAGS=$ax_save_FLAGS])
+eval xorg_check_linker_flags=$AS_TR_SH(xorg_cv_linker_flags_[$1])
+AC_MSG_RESULT($xorg_check_linker_flags)
+if test "x$xorg_check_linker_flags" = xyes; then
+ m4_default([$2], :)
+else
+ m4_default([$3], :)
+fi
+]) # XORG_CHECK_LINKER_FLAGS
+
+# XORG_MEMORY_CHECK_FLAGS
+# -----------------------
+# Minimum version: 1.16.0
+#
+# This macro attempts to find appropriate memory checking functionality
+# for various platforms which unit testing code may use to catch various
+# forms of memory allocation and access errors in testing.
+#
+# Interface to module:
+# XORG_MALLOC_DEBUG_ENV - environment variables to set to enable debugging
+# Usually added to TESTS_ENVIRONMENT in Makefile.am
+#
+# If the user sets the value of XORG_MALLOC_DEBUG_ENV, it is used verbatim.
+#
+AC_DEFUN([XORG_MEMORY_CHECK_FLAGS],[
+
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_ARG_VAR([XORG_MALLOC_DEBUG_ENV],
+ [Environment variables to enable memory checking in tests])
+
+# Check for different types of support on different platforms
+case $host_os in
+ solaris*)
+ AC_CHECK_LIB([umem], [umem_alloc],
+ [malloc_debug_env='LD_PRELOAD=libumem.so UMEM_DEBUG=default'])
+ ;;
+ *-gnu*) # GNU libc - Value is used as a single byte bit pattern,
+ # both directly and inverted, so should not be 0 or 255.
+ malloc_debug_env='MALLOC_PERTURB_=15'
+ ;;
+ darwin*)
+ malloc_debug_env='MallocPreScribble=1 MallocScribble=1 DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib'
+ ;;
+ *bsd*)
+ malloc_debug_env='MallocPreScribble=1 MallocScribble=1'
+ ;;
+esac
+
+# User supplied flags override default flags
+if test "x$XORG_MALLOC_DEBUG_ENV" != "x"; then
+ malloc_debug_env="$XORG_MALLOC_DEBUG_ENV"
+fi
+
+AC_SUBST([XORG_MALLOC_DEBUG_ENV],[$malloc_debug_env])
+]) # XORG_WITH_LINT
+
# XORG_CHECK_MALLOC_ZERO
# ----------------------
# Minimum version: 1.0.0
@@ -1922,18 +2494,16 @@ AC_ARG_ENABLE(malloc0returnsnull,
AC_MSG_CHECKING([whether malloc(0) returns NULL])
if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then
- AC_RUN_IFELSE([
-char *malloc();
-char *realloc();
-char *calloc();
-main() {
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([
+#include <stdlib.h>
+],[
char *m0, *r0, *c0, *p;
m0 = malloc(0);
p = malloc(10);
r0 = realloc(p,0);
- c0 = calloc(0);
- exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1);
-}],
+ c0 = calloc(0,10);
+ exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1);
+])],
[MALLOC_ZERO_RETURNS_NULL=yes],
[MALLOC_ZERO_RETURNS_NULL=no],
[MALLOC_ZERO_RETURNS_NULL=yes])
@@ -2059,59 +2629,300 @@ AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno])
]) # XORG_LINT_LIBRARY
+# XORG_COMPILER_BRAND
+# -------------------
+# Minimum version: 1.14.0
+#
+# Checks for various brands of compilers and sets flags as appropriate:
+# GNU gcc - relies on AC_PROG_CC (via AC_PROG_CC_C99) to set GCC to "yes"
+# GNU g++ - relies on AC_PROG_CXX to set GXX to "yes"
+# clang compiler - sets CLANGCC to "yes"
+# Intel compiler - sets INTELCC to "yes"
+# Sun/Oracle Solaris Studio cc - sets SUNCC to "yes"
+#
+AC_DEFUN([XORG_COMPILER_BRAND], [
+AC_LANG_CASE(
+ [C], [
+ AC_REQUIRE([AC_PROG_CC_C99])
+ ],
+ [C++], [
+ AC_REQUIRE([AC_PROG_CXX])
+ ]
+)
+AC_CHECK_DECL([__clang__], [CLANGCC="yes"], [CLANGCC="no"])
+AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"])
+AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+]) # XORG_COMPILER_BRAND
+
+# XORG_TESTSET_CFLAG(<variable>, <flag>, [<alternative flag>, ...])
+# ---------------
+# Minimum version: 1.16.0
+#
+# Test if the compiler works when passed the given flag as a command line argument.
+# If it succeeds, the flag is appeneded to the given variable. If not, it tries the
+# next flag in the list until there are no more options.
+#
+# Note that this does not guarantee that the compiler supports the flag as some
+# compilers will simply ignore arguments that they do not understand, but we do
+# attempt to weed out false positives by using -Werror=unknown-warning-option and
+# -Werror=unused-command-line-argument
+#
+AC_DEFUN([XORG_TESTSET_CFLAG], [
+m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])])
+m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])])
+
+AC_LANG_COMPILER_REQUIRE
+
+AC_LANG_CASE(
+ [C], [
+ AC_REQUIRE([AC_PROG_CC_C99])
+ define([PREFIX], [C])
+ define([CACHE_PREFIX], [cc])
+ define([COMPILER], [$CC])
+ ],
+ [C++], [
+ define([PREFIX], [CXX])
+ define([CACHE_PREFIX], [cxx])
+ define([COMPILER], [$CXX])
+ ]
+)
+
+[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]"
+
+if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "x" ; then
+ PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+ AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unknown-warning-option],
+ [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option],
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])],
+ [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=yes],
+ [xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option=no]))
+ [xorg_testset_]CACHE_PREFIX[_unknown_warning_option]=$[xorg_cv_]CACHE_PREFIX[_flag_unknown_warning_option]
+ PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+fi
+
+if test "x$[xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]" = "x" ; then
+ if test "x$[xorg_testset_]CACHE_PREFIX[_unknown_warning_option]" = "xyes" ; then
+ PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+ fi
+ PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument"
+ AC_CACHE_CHECK([if ]COMPILER[ supports -Werror=unused-command-line-argument],
+ [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument],
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])],
+ [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=yes],
+ [xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument=no]))
+ [xorg_testset_]CACHE_PREFIX[_unused_command_line_argument]=$[xorg_cv_]CACHE_PREFIX[_flag_unused_command_line_argument]
+ PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+fi
+
+found="no"
+m4_foreach([flag], m4_cdr($@), [
+ if test $found = "no" ; then
+ if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then
+ PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option"
+ fi
+
+ if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then
+ PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument"
+ fi
+
+ PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag["
+
+dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname
+ AC_MSG_CHECKING([if ]COMPILER[ supports]flag[])
+ cacheid=AS_TR_SH([xorg_cv_]CACHE_PREFIX[_flag_]flag[])
+ AC_CACHE_VAL($cacheid,
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;])],
+ [eval $cacheid=yes],
+ [eval $cacheid=no])])
+
+ PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]"
+
+ eval supported=\$$cacheid
+ AC_MSG_RESULT([$supported])
+ if test "$supported" = "yes" ; then
+ $1="$$1 ]flag["
+ found="yes"
+ fi
+ fi
+])
+]) # XORG_TESTSET_CFLAG
+
+# XORG_COMPILER_FLAGS
+# ---------------
+# Minimum version: 1.16.0
+#
+# Defines BASE_CFLAGS or BASE_CXXFLAGS to contain a set of command line
+# arguments supported by the selected compiler which do NOT alter the generated
+# code. These arguments will cause the compiler to print various warnings
+# during compilation AND turn a conservative set of warnings into errors.
+#
+# The set of flags supported by BASE_CFLAGS and BASE_CXXFLAGS will grow in
+# future versions of util-macros as options are added to new compilers.
+#
+AC_DEFUN([XORG_COMPILER_FLAGS], [
+AC_REQUIRE([XORG_COMPILER_BRAND])
+
+AC_ARG_ENABLE(selective-werror,
+ AS_HELP_STRING([--disable-selective-werror],
+ [Turn off selective compiler errors. (default: enabled)]),
+ [SELECTIVE_WERROR=$enableval],
+ [SELECTIVE_WERROR=yes])
+
+AC_LANG_CASE(
+ [C], [
+ define([PREFIX], [C])
+ ],
+ [C++], [
+ define([PREFIX], [CXX])
+ ]
+)
+# -v is too short to test reliably with XORG_TESTSET_CFLAG
+if test "x$SUNCC" = "xyes"; then
+ [BASE_]PREFIX[FLAGS]="-v"
+else
+ [BASE_]PREFIX[FLAGS]=""
+fi
+
+# This chunk of warnings were those that existed in the legacy CWARNFLAGS
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wall])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-arith])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-declarations])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wformat=2], [-Wformat])
+
+AC_LANG_CASE(
+ [C], [
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wstrict-prototypes])
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-prototypes])
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnested-externs])
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wbad-function-cast])
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wold-style-definition])
+ XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wdeclaration-after-statement])
+ ]
+)
+
+# This chunk adds additional warnings that could catch undesired effects.
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wunused])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wuninitialized])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wshadow])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-qual])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-noreturn])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-format-attribute])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wredundant-decls])
+
+# These are currently disabled because they are noisy. They will be enabled
+# in the future once the codebase is sufficiently modernized to silence
+# them. For now, I don't want them to drown out the other warnings.
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wlogical-op])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wparentheses])
+# XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wcast-align])
+
+# Turn some warnings into errors, so we don't accidently get successful builds
+# when there are problems that should be fixed.
+
+if test "x$SELECTIVE_WERROR" = "xyes" ; then
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=implicit], [-errwarn=E_NO_EXPLICIT_TYPE_GIVEN -errwarn=E_NO_IMPLICIT_DECL_ALLOWED])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=nonnull])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=init-self])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=main])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=missing-braces])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=sequence-point])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=return-type], [-errwarn=E_FUNC_HAS_NO_RETURN_STMT])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=trigraphs])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=array-bounds])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=write-strings])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=address])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=int-to-pointer-cast], [-errwarn=E_BAD_PTR_INT_COMBINATION])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Werror=pointer-to-int-cast]) # Also -errwarn=E_BAD_PTR_INT_COMBINATION
+else
+AC_MSG_WARN([You have chosen not to turn some select compiler warnings into errors. This should not be necessary. Please report why you needed to do so in a bug report at $PACKAGE_BUGREPORT])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wimplicit])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wnonnull])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Winit-self])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmain])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wmissing-braces])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wsequence-point])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wreturn-type])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wtrigraphs])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Warray-bounds])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wwrite-strings])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Waddress])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wint-to-pointer-cast])
+XORG_TESTSET_CFLAG([[BASE_]PREFIX[FLAGS]], [-Wpointer-to-int-cast])
+fi
+
+AC_SUBST([BASE_]PREFIX[FLAGS])
+]) # XORG_COMPILER_FLAGS
+
# XORG_CWARNFLAGS
# ---------------
# Minimum version: 1.2.0
+# Deprecated since: 1.16.0 (Use XORG_COMPILER_FLAGS instead)
#
# Defines CWARNFLAGS to enable C compiler warnings.
#
+# This function is deprecated because it defines -fno-strict-aliasing
+# which alters the code generated by the compiler. If -fno-strict-aliasing
+# is needed, then it should be added explicitly in the module when
+# it is updated to use BASE_CFLAGS.
+#
AC_DEFUN([XORG_CWARNFLAGS], [
-AC_REQUIRE([AC_PROG_CC_C99])
-if test "x$GCC" = xyes ; then
- CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
--Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
--Wbad-function-cast -Wformat=2"
- case `$CC -dumpversion` in
- 3.4.* | 4.*)
- CWARNFLAGS="$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)
+AC_REQUIRE([XORG_COMPILER_FLAGS])
+AC_REQUIRE([XORG_COMPILER_BRAND])
+AC_LANG_CASE(
+ [C], [
+ CWARNFLAGS="$BASE_CFLAGS"
+ if test "x$GCC" = xyes ; then
+ CWARNFLAGS="$CWARNFLAGS -fno-strict-aliasing"
+ fi
+ AC_SUBST(CWARNFLAGS)
+ ]
+)
]) # XORG_CWARNFLAGS
# XORG_STRICT_OPTION
# -----------------------
# Minimum version: 1.3.0
#
-# Add configure option to enable strict compilation
+# Add configure option to enable strict compilation flags, such as treating
+# warnings as fatal errors.
+# If --enable-strict-compilation is passed to configure, adds strict flags to
+# $BASE_CFLAGS or $BASE_CXXFLAGS and the deprecated $CWARNFLAGS.
+#
+# Starting in 1.14.0 also exports $STRICT_CFLAGS for use in other tests or
+# when strict compilation is unconditionally desired.
AC_DEFUN([XORG_STRICT_OPTION], [
-# If the module's configure.ac calls AC_PROG_CC later on, CC gets set to C89
-AC_REQUIRE([AC_PROG_CC_C99])
AC_REQUIRE([XORG_CWARNFLAGS])
+AC_REQUIRE([XORG_COMPILER_FLAGS])
AC_ARG_ENABLE(strict-compilation,
AS_HELP_STRING([--enable-strict-compilation],
[Enable all warnings from compiler and make them errors (default: disabled)]),
[STRICT_COMPILE=$enableval], [STRICT_COMPILE=no])
+
+AC_LANG_CASE(
+ [C], [
+ define([PREFIX], [C])
+ ],
+ [C++], [
+ define([PREFIX], [CXX])
+ ]
+)
+
+[STRICT_]PREFIX[FLAGS]=""
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic])
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn])
+
+# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not
+# activate it with -Werror, so we add it here explicitly.
+XORG_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes])
+
if test "x$STRICT_COMPILE" = "xyes"; then
- AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
- AC_CHECK_DECL([__INTEL_COMPILER], [INTELCC="yes"], [INTELCC="no"])
- if test "x$GCC" = xyes ; then
- STRICT_CFLAGS="-pedantic -Werror"
- elif test "x$SUNCC" = "xyes"; then
- STRICT_CFLAGS="-errwarn"
- elif test "x$INTELCC" = "xyes"; then
- STRICT_CFLAGS="-Werror"
- fi
+ [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]"
+ AC_LANG_CASE([C], [CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"])
fi
-CWARNFLAGS="$CWARNFLAGS $STRICT_CFLAGS"
-AC_SUBST([CWARNFLAGS])
+AC_SUBST([STRICT_]PREFIX[FLAGS])
+AC_SUBST([BASE_]PREFIX[FLAGS])
+AC_LANG_CASE([C], AC_SUBST([CWARNFLAGS]))
]) # XORG_STRICT_OPTION
# XORG_DEFAULT_OPTIONS
@@ -2122,6 +2933,7 @@ AC_SUBST([CWARNFLAGS])
#
AC_DEFUN([XORG_DEFAULT_OPTIONS], [
AC_REQUIRE([AC_PROG_INSTALL])
+XORG_COMPILER_FLAGS
XORG_CWARNFLAGS
XORG_STRICT_OPTION
XORG_RELEASE_VERSION
@@ -2213,159 +3025,3 @@ echo 'git directory not found: installing possibly empty changelog.' >&2)"
AC_SUBST([CHANGELOG_CMD])
]) # XORG_CHANGELOG
-# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
-#
-# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# PKG_PROG_PKG_CONFIG([MIN-VERSION])
-# ----------------------------------
-AC_DEFUN([PKG_PROG_PKG_CONFIG],
-[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
-m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
-AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
-if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
- AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
-fi
-if test -n "$PKG_CONFIG"; then
- _pkg_min_version=m4_default([$1], [0.9.0])
- AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
- if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- PKG_CONFIG=""
- fi
-
-fi[]dnl
-])# PKG_PROG_PKG_CONFIG
-
-# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
-#
-# Check to see whether a particular set of modules exists. Similar
-# to PKG_CHECK_MODULES(), but does not set variables or print errors.
-#
-#
-# Similar to PKG_CHECK_MODULES, make sure that the first instance of
-# this or PKG_CHECK_MODULES is called, or make sure to call
-# PKG_CHECK_EXISTS manually
-# --------------------------------------------------------------
-AC_DEFUN([PKG_CHECK_EXISTS],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-if test -n "$PKG_CONFIG" && \
- AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
- m4_ifval([$2], [$2], [:])
-m4_ifvaln([$3], [else
- $3])dnl
-fi])
-
-
-# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
-# ---------------------------------------------
-m4_define([_PKG_CONFIG],
-[if test -n "$$1"; then
- pkg_cv_[]$1="$$1"
- elif test -n "$PKG_CONFIG"; then
- PKG_CHECK_EXISTS([$3],
- [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
- [pkg_failed=yes])
- else
- pkg_failed=untried
-fi[]dnl
-])# _PKG_CONFIG
-
-# _PKG_SHORT_ERRORS_SUPPORTED
-# -----------------------------
-AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
- _pkg_short_errors_supported=yes
-else
- _pkg_short_errors_supported=no
-fi[]dnl
-])# _PKG_SHORT_ERRORS_SUPPORTED
-
-
-# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
-# [ACTION-IF-NOT-FOUND])
-#
-#
-# Note that if there is a possibility the first call to
-# PKG_CHECK_MODULES might not happen, you should be sure to include an
-# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
-#
-#
-# --------------------------------------------------------------
-AC_DEFUN([PKG_CHECK_MODULES],
-[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
-AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
-AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
-
-pkg_failed=no
-AC_MSG_CHECKING([for $1])
-
-_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
-_PKG_CONFIG([$1][_LIBS], [libs], [$2])
-
-m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
-and $1[]_LIBS to avoid the need to call pkg-config.
-See the pkg-config man page for more details.])
-
-if test $pkg_failed = yes; then
- _PKG_SHORT_ERRORS_SUPPORTED
- if test $_pkg_short_errors_supported = yes; then
- $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
- else
- $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
- fi
- # Put the nasty error message in config.log where it belongs
- echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
-
- ifelse([$4], , [AC_MSG_ERROR(dnl
-[Package requirements ($2) were not met:
-
-$$1_PKG_ERRORS
-
-Consider adjusting the PKG_CONFIG_PATH environment variable if you
-installed software in a non-standard prefix.
-
-_PKG_TEXT
-])],
- [AC_MSG_RESULT([no])
- $4])
-elif test $pkg_failed = untried; then
- ifelse([$4], , [AC_MSG_FAILURE(dnl
-[The pkg-config script could not be found or is too old. Make sure it
-is in your PATH or set the PKG_CONFIG environment variable to the full
-path to pkg-config.
-
-_PKG_TEXT
-
-To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
- [$4])
-else
- $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
- $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
- AC_MSG_RESULT([yes])
- ifelse([$3], , :, [$3])
-fi[]dnl
-])# PKG_CHECK_MODULES
-