diff options
| -rw-r--r-- | m4/alsa.m4 | 143 | ||||
| -rw-r--r-- | m4/pkg.m4 | 214 |
2 files changed, 357 insertions, 0 deletions
diff --git a/m4/alsa.m4 b/m4/alsa.m4 new file mode 100644 index 0000000..e12310d --- /dev/null +++ b/m4/alsa.m4 @@ -0,0 +1,143 @@ +dnl Configure Paths for Alsa +dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org> +dnl Christopher Lansdown <lansdoct@cs.alfred.edu> +dnl Jaroslav Kysela <perex@perex.cz> +dnl Last modification: $Id: alsa.m4,v 1.24 2004/09/15 18:48:07 tiwai Exp $ +dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) +dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate. +dnl enables arguments --with-alsa-prefix= +dnl --with-alsa-enc-prefix= +dnl --disable-alsatest +dnl +dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified, +dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result. +dnl +AC_DEFUN([AM_PATH_ALSA], +[dnl Save the original CFLAGS, LDFLAGS, and LIBS +alsa_save_CFLAGS="$CFLAGS" +alsa_save_LDFLAGS="$LDFLAGS" +alsa_save_LIBS="$LIBS" +alsa_found=yes + +dnl +dnl Get the cflags and libraries for alsa +dnl +AC_ARG_WITH(alsa-prefix, +[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)], +[alsa_prefix="$withval"], [alsa_prefix=""]) + +AC_ARG_WITH(alsa-inc-prefix, +[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)], +[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""]) + +dnl FIXME: this is not yet implemented +AC_ARG_ENABLE(alsatest, +[ --disable-alsatest Do not try to compile and run a test Alsa program], +[enable_alsatest="$enableval"], +[enable_alsatest=yes]) + +dnl Add any special include directories +AC_MSG_CHECKING(for ALSA CFLAGS) +if test "$alsa_inc_prefix" != "" ; then + ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix" + CFLAGS="$CFLAGS -I$alsa_inc_prefix" +fi +AC_MSG_RESULT($ALSA_CFLAGS) + +dnl add any special lib dirs +AC_MSG_CHECKING(for ALSA LDFLAGS) +if test "$alsa_prefix" != "" ; then + ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix" + LDFLAGS="$LDFLAGS $ALSA_LIBS" +fi + +dnl add the alsa library +ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread" +LIBS="$ALSA_LIBS $LIBS" +AC_MSG_RESULT($ALSA_LIBS) + +dnl Check for a working version of libasound that is of the right version. +if test "x$enable_alsatest" = "xyes"; then +min_alsa_version=ifelse([$1], ,0.1.1,$1) +AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version) +no_alsa="" + alsa_min_major_version=`echo $min_alsa_version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + alsa_min_minor_version=`echo $min_alsa_version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + alsa_min_micro_version=`echo $min_alsa_version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + +AC_LANG_SAVE +AC_LANG_C +AC_TRY_COMPILE([ +#include <alsa/asoundlib.h> +], [ +/* ensure backward compatibility */ +#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR) +#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR +#endif +#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR) +#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR +#endif +#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR) +#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR +#endif + +# if(SND_LIB_MAJOR > $alsa_min_major_version) + exit(0); +# else +# if(SND_LIB_MAJOR < $alsa_min_major_version) +# error not present +# endif + +# if(SND_LIB_MINOR > $alsa_min_minor_version) + exit(0); +# else +# if(SND_LIB_MINOR < $alsa_min_minor_version) +# error not present +# endif + +# if(SND_LIB_SUBMINOR < $alsa_min_micro_version) +# error not present +# endif +# endif +# endif +exit(0); +], + [AC_MSG_RESULT(found.)], + [AC_MSG_RESULT(not present.) + ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)]) + alsa_found=no] +) +AC_LANG_RESTORE +fi + +dnl Now that we know that we have the right version, let's see if we have the library and not just the headers. +if test "x$enable_alsatest" = "xyes"; then +AC_CHECK_LIB([asound], [snd_ctl_open],, + [ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)]) + alsa_found=no] +) +fi + +if test "x$alsa_found" = "xyes" ; then + ifelse([$2], , :, [$2]) + LIBS=`echo $LIBS | sed 's/-lasound//g'` + LIBS=`echo $LIBS | sed 's/ //'` + LIBS="-lasound $LIBS" +fi +if test "x$alsa_found" = "xno" ; then + ifelse([$3], , :, [$3]) + CFLAGS="$alsa_save_CFLAGS" + LDFLAGS="$alsa_save_LDFLAGS" + LIBS="$alsa_save_LIBS" + ALSA_CFLAGS="" + ALSA_LIBS="" +fi + +dnl That should be it. Now just export out symbols: +AC_SUBST(ALSA_CFLAGS) +AC_SUBST(ALSA_LIBS) +]) + diff --git a/m4/pkg.m4 b/m4/pkg.m4 new file mode 100644 index 0000000..c5b26b5 --- /dev/null +++ b/m4/pkg.m4 @@ -0,0 +1,214 @@ +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 1 (pkg-config-0.24) +# +# 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_]+$]) +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + +if test "x$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 $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi +fi[]dnl +])# PKG_PROG_PKG_CONFIG + +# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# Check to see whether a particular set of modules exists. Similar +# to PKG_CHECK_MODULES(), but does not set variables or print errors. +# +# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +# only at the first occurence in configure.ac, so if the first place +# it's called might be skipped (such as if it is within an "if", you +# have to call PKG_CHECK_EXISTS manually +# -------------------------------------------------------------- +AC_DEFUN([PKG_CHECK_EXISTS], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +if test -n "$PKG_CONFIG" && \ + AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then + m4_default([$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 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [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 + AC_MSG_RESULT([no]) + _PKG_SHORT_ERRORS_SUPPORTED + if test $_pkg_short_errors_supported = yes; then + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + m4_default([$4], [AC_MSG_ERROR( +[Package requirements ($2) were not met: + +$$1_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +_PKG_TEXT])[]dnl + ]) +elif test $pkg_failed = untried; then + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( +[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/>.])[]dnl + ]) +else + $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS + $1[]_LIBS=$pkg_cv_[]$1[]_LIBS + AC_MSG_RESULT([yes]) + $3 +fi[]dnl +])# PKG_CHECK_MODULES + + +# PKG_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable pkgconfigdir as the location where a module +# should install pkg-config .pc files. By default the directory is +# $libdir/pkgconfig, but the default can be changed by passing +# DIRECTORY. The user can override through the --with-pkgconfigdir +# parameter. +AC_DEFUN([PKG_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([pkgconfigdir], + [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, + [with_pkgconfigdir=]pkg_default) +AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_INSTALLDIR + + +# PKG_NOARCH_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable noarch_pkgconfigdir as the location where a +# module should install arch-independent pkg-config .pc files. By +# default the directory is $datadir/pkgconfig, but the default can be +# changed by passing DIRECTORY. The user can override through the +# --with-noarch-pkgconfigdir parameter. +AC_DEFUN([PKG_NOARCH_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([noarch-pkgconfigdir], + [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, + [with_noarch_pkgconfigdir=]pkg_default) +AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_NOARCH_INSTALLDIR + + +# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# ------------------------------------------- +# Retrieves the value of the pkg-config variable for the given module. +AC_DEFUN([PKG_CHECK_VAR], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl + +_PKG_CONFIG([$1], [variable="][$3]["], [$2]) +AS_VAR_COPY([$1], [pkg_cv_][$1]) + +AS_VAR_IF([$1], [""], [$5], [$4])dnl +])# PKG_CHECK_VAR |