diff options
Diffstat (limited to 'util-macros/xorg-macros.m4.in')
| -rw-r--r-- | util-macros/xorg-macros.m4.in | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/util-macros/xorg-macros.m4.in b/util-macros/xorg-macros.m4.in index 44038e1..76462b5 100644 --- a/util-macros/xorg-macros.m4.in +++ b/util-macros/xorg-macros.m4.in @@ -951,6 +951,194 @@ 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]) +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_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. +# +# 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 +# ------------ +# 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 $enable_unit_tests is blank. +# +AC_DEFUN([XORG_LD_WRAP],[ +XORG_CHECK_LINKER_FLAGS([-Wl,-wrap,exit],[have_ld_wrap=yes],[have_ld_wrap=no]) +# Not having ld wrap when unit testing has been explicitly requested is an error +if test "x$enable_unit_tests" = x"yes"; 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]) +# +# 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. +# +# 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([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_CHECK_MALLOC_ZERO # ---------------------- # Minimum version: 1.0.0 |