mirror of
https://gitee.com/openharmony/third_party_alsa-lib
synced 2024-11-27 01:31:08 +00:00
110 lines
3.3 KiB
Plaintext
110 lines
3.3 KiB
Plaintext
|
dnl Configure Paths for Alsa
|
||
|
|
dnl Christopher Lansdown (lansdoct@cs.alfred.edu)
|
||
|
|
dnl 29/10/1998
|
||
|
|
dnl AM_PATH_ALSA(MINIMUM-VERSION)
|
||
|
|
dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
|
||
|
|
dnl enables arguments --with-alsa-prefix= --with-alsa-enc-prefix= --disable-alsatest
|
||
|
|
dnl
|
||
|
|
AC_DEFUN(AM_PATH_ALSA,
|
||
|
|
[dnl
|
||
|
|
dnl Get the clfags 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=""])
|
||
|
|
AC_ARG_ENABLE(alsatest, [ --disable-alsatest Do not try to compile and run a test Alsa program], [enable_alsatest=no], [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$alsa_inc_prefix"
|
||
|
|
CFLAGS="-I$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"
|
||
|
|
LIBS="-L$alsa_prefix"
|
||
|
|
fi
|
||
|
|
|
||
|
|
dnl add the alsa library
|
||
|
|
ALSA_LIBS="$ALSA_LIBS -lasound"
|
||
|
|
LDFLAGS="$ALSA_LIBS -lasound"
|
||
|
|
AC_MSG_RESULT($ALSA_LIBS)
|
||
|
|
|
||
|
|
dnl Check for the presence of the library
|
||
|
|
dnl if test $enable_alsatest = yes; then
|
||
|
|
dnl AC_MSG_CHECKING(for working libasound)
|
||
|
|
dnl AC_TRY_RUN([
|
||
|
|
dnl #include <sys/asoundlib.h>
|
||
|
|
dnl void main(void)
|
||
|
|
dnl {
|
||
|
|
dnl snd_cards();
|
||
|
|
dnl exit(0);
|
||
|
|
dnl }
|
||
|
|
dnl ],
|
||
|
|
dnl [AC_MSG_RESULT("present")],
|
||
|
|
dnl [AC_MSG_RESULT("not found. ")
|
||
|
|
dnl AC_MSG_ERROR(Fatal error: Install alsa-lib package or use --with-alsa-prefix option...)],
|
||
|
|
dnl [AC_MSG_RESULT(unsopported)
|
||
|
|
dnl AC_MSG_ERROR(Cross-compiling isn't supported...)]
|
||
|
|
dnl )
|
||
|
|
dnl fi
|
||
|
|
|
||
|
|
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_TRY_COMPILE([
|
||
|
|
#include <sys/asoundlib.h>
|
||
|
|
], [
|
||
|
|
void main(void)
|
||
|
|
{
|
||
|
|
# if(SOUNDLIB_VERSION_MAJOR > $alsa_min_major_version)
|
||
|
|
exit(0);
|
||
|
|
# else
|
||
|
|
# if(SOUNDLIB_VERSION_MAJOR < $alsa_min_major_version)
|
||
|
|
# error not present
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# if(SOUNDLIB_VERSION_MINOR > $alsa_min_minor_version)
|
||
|
|
exit(0);
|
||
|
|
# else
|
||
|
|
# if(SOUNDLIB_VERSION_MINOR < $alsa_min_minor_version)
|
||
|
|
# error not present
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# if(SOUNDLIB_VERSION_SUBMINOR < $alsa_min_micro_version)
|
||
|
|
# error not present
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
# endif
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(found.)],
|
||
|
|
[AC_MSG_RESULT(not present.)
|
||
|
|
AC_MSG_ERROR(Sufficiently new version of libasound not found.)]
|
||
|
|
)
|
||
|
|
|
||
|
|
dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
|
||
|
|
AC_CHECK_LIB([asound], [snd_cards],,
|
||
|
|
[AC_MSG_ERROR(No linkable libasound was found.)]
|
||
|
|
)
|
||
|
|
|
||
|
|
dnl That should be it. Now just export out symbols:
|
||
|
|
AC_SUBST(ALSA_CFLAGS)
|
||
|
|
AC_SUBST(ALSA_LIBS)
|
||
|
|
])
|
||
|
|
|