mirror of
https://github.com/thunderbrewhq/thunderbrew
synced 2025-10-27 14:26:04 +03:00
145 lines
4.4 KiB
Plaintext
145 lines
4.4 KiB
Plaintext
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@suse.cz>
|
|
dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 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-inc-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=`echo $LIBS | sed 's/-lm//'`
|
|
LIBS=`echo $LIBS | sed 's/-ldl//'`
|
|
LIBS=`echo $LIBS | sed 's/-lpthread//'`
|
|
LIBS=`echo $LIBS | sed 's/ //'`
|
|
LIBS="$ALSA_LIBS $LIBS"
|
|
AC_MSG_RESULT($ALSA_LIBS)
|
|
|
|
dnl Check for a working version of libasound that is of the right version.
|
|
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_PUSH([C])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#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([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
|
|
alsa_found=no]
|
|
)
|
|
AC_LANG_POP([C])
|
|
|
|
dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
|
|
if test "x$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)
|
|
])
|