diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/Makefile.am | 4 | ||||
| -rw-r--r-- | m4/add_cflags.m4 | 15 | ||||
| -rw-r--r-- | m4/ogg.m4 | 116 | ||||
| -rw-r--r-- | m4/pkg.m4 | 157 |
4 files changed, 292 insertions, 0 deletions
diff --git a/m4/Makefile.am b/m4/Makefile.am new file mode 100644 index 0000000..cd18485 --- /dev/null +++ b/m4/Makefile.am @@ -0,0 +1,4 @@ +## Process this file with automake to produce Makefile.in + +EXTRA_DIST = add_cflags.m4 ogg.m4 pkg.m4 + diff --git a/m4/add_cflags.m4 b/m4/add_cflags.m4 new file mode 100644 index 0000000..eeb6efd --- /dev/null +++ b/m4/add_cflags.m4 @@ -0,0 +1,15 @@ +dnl @synopsis AC_ADD_CFLAGS +dnl +dnl Add the given option to CFLAGS, if it doesn't break the compiler + +AC_DEFUN([AC_ADD_CFLAGS], +[AC_MSG_CHECKING([if $CC accepts $1]) + ac_add_cflags__old_cflags="$CFLAGS" + CFLAGS="$CFLAGS $1" + AC_TRY_LINK([#include <stdio.h>], + [puts("Hello, World!"); return 0;], + AC_MSG_RESULT([yes]), + AC_MSG_RESULT([no]) + CFLAGS="$ac_add_cflags__old_cflags") + ]) +])# AC_ADD_CFLAGS diff --git a/m4/ogg.m4 b/m4/ogg.m4 new file mode 100644 index 0000000..1d3fb8b --- /dev/null +++ b/m4/ogg.m4 @@ -0,0 +1,116 @@ +# Configure paths for libogg +# Jack Moffitt <jack@icecast.org> 10-21-2000 +# Shamelessly stolen from Owen Taylor and Manish Singh + +dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) +dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS +dnl +AC_DEFUN([XIPH_PATH_OGG], +[dnl +dnl Get the cflags and libraries +dnl +AC_ARG_WITH(ogg,AC_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="") +AC_ARG_WITH(ogg-libraries,AC_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="") +AC_ARG_WITH(ogg-includes,AC_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="") +AC_ARG_ENABLE(oggtest,AC_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes) + + if test "x$ogg_libraries" != "x" ; then + OGG_LIBS="-L$ogg_libraries" + elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then + OGG_LIBS="" + elif test "x$ogg_prefix" != "x" ; then + OGG_LIBS="-L$ogg_prefix/lib" + elif test "x$prefix" != "xNONE" ; then + OGG_LIBS="-L$prefix/lib" + fi + + if test "x$ogg_prefix" != "xno" ; then + OGG_LIBS="$OGG_LIBS -logg" + fi + + if test "x$ogg_includes" != "x" ; then + OGG_CFLAGS="-I$ogg_includes" + elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then + OGG_CFLAGS="" + elif test "x$ogg_prefix" != "x" ; then + OGG_CFLAGS="-I$ogg_prefix/include" + elif test "x$prefix" != "xNONE"; then + OGG_CFLAGS="-I$prefix/include" + fi + + AC_MSG_CHECKING(for Ogg) + if test "x$ogg_prefix" = "xno" ; then + no_ogg="disabled" + enable_oggtest="no" + else + no_ogg="" + fi + + + if test "x$enable_oggtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $OGG_CFLAGS" + LIBS="$LIBS $OGG_LIBS" +dnl +dnl Now check if the installed Ogg is sufficiently new. +dnl + rm -f conf.oggtest + AC_TRY_RUN([ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ogg/ogg.h> + +int main () +{ + system("touch conf.oggtest"); + return 0; +} + +],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + + if test "x$no_ogg" = "xdisabled" ; then + AC_MSG_RESULT(no) + ifelse([$2], , :, [$2]) + elif test "x$no_ogg" = "x" ; then + AC_MSG_RESULT(yes) + ifelse([$1], , :, [$1]) + else + AC_MSG_RESULT(no) + if test -f conf.oggtest ; then + : + else + echo "*** Could not run Ogg test program, checking why..." + CFLAGS="$CFLAGS $OGG_CFLAGS" + LIBS="$LIBS $OGG_LIBS" + AC_TRY_LINK([ +#include <stdio.h> +#include <ogg/ogg.h> +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding Ogg or finding the wrong" + echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means Ogg was incorrectly installed" + echo "*** or that you have moved Ogg since it was installed." ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + OGG_CFLAGS="" + OGG_LIBS="" + ifelse([$2], , :, [$2]) + fi + AC_SUBST(OGG_CFLAGS) + AC_SUBST(OGG_LIBS) + rm -f conf.oggtest +]) diff --git a/m4/pkg.m4 b/m4/pkg.m4 new file mode 100644 index 0000000..996e294 --- /dev/null +++ b/m4/pkg.m4 @@ -0,0 +1,157 @@ +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# +# Copyright © 2004 Scott James Remnant <scott@netsplit.com>. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# PKG_PROG_PKG_CONFIG([MIN-VERSION]) +# ---------------------------------- +AC_DEFUN([PKG_PROG_PKG_CONFIG], +[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) +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 + $3])dnl +fi]) + + +# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) +# --------------------------------------------- +m4_define([_PKG_CONFIG], +[if test -n "$PKG_CONFIG"; then + if test -n "$$1"; then + pkg_cv_[]$1="$$1" + else + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`], + [pkg_failed=yes]) + fi +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 --errors-to-stdout --print-errors "$2"` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` + 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 |