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utils/alsa.m4: update for newer autoconf.

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fixes autoconf-2.70 warnings. should be compatible down to autoconf-2.59.
This commit is contained in:
Ozkan Sezer 2020-12-17 14:11:28 +03:00
parent 6d3311fefb
commit d121fa10aa
1 changed files with 9 additions and 12 deletions
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21
utils/alsa.m4
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@ -81,12 +81,11 @@ no_alsa=""
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
AC_MSG_RESULT($alsa_min_major_version.$alsa_min_minor_version.$alsa_min_micro_version) AC_MSG_RESULT($alsa_min_major_version.$alsa_min_minor_version.$alsa_min_micro_version)
AC_LANG_SAVE AC_LANG_PUSH([C])
AC_LANG_C
AC_MSG_CHECKING([for libasound headers version >= $alsa_min_major_version.$alsa_min_minor_version.$alsa_min_micro_version ($min_alsa_version)]) AC_MSG_CHECKING([for libasound headers version >= $alsa_min_major_version.$alsa_min_minor_version.$alsa_min_micro_version ($min_alsa_version)])
AC_TRY_COMPILE([ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <alsa/asoundlib.h> #include <alsa/asoundlib.h>
], [ ]], [[
/* ensure backward compatibility */ /* ensure backward compatibility */
#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR) #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
@ -118,21 +117,20 @@ AC_TRY_COMPILE([
# endif # endif
# endif # endif
exit(0); exit(0);
], ]])],
[AC_MSG_RESULT(found.)], [AC_MSG_RESULT(found.)],
[AC_MSG_RESULT(not present.) [AC_MSG_RESULT(not present.)
ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)]) ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
alsa_found=no] alsa_found=no]
) )
AC_LANG_RESTORE AC_LANG_POP([C])
AC_LANG_SAVE AC_LANG_PUSH([C])
AC_LANG_C
AC_MSG_CHECKING([for libatopology (sound headers version > 1.1.9)]) AC_MSG_CHECKING([for libatopology (sound headers version > 1.1.9)])
AC_TRY_COMPILE([ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <alsa/asoundlib.h> #include <alsa/asoundlib.h>
#include <alsa/topology.h> #include <alsa/topology.h>
], [ ]], [[
/* ensure backward compatibility */ /* ensure backward compatibility */
#if !defined(SND_LIB_VERSION) #if !defined(SND_LIB_VERSION)
#define SND_LIB_VERSION 0 #define SND_LIB_VERSION 0
@ -148,8 +146,7 @@ exit(0);
enable_atopology="yes"], enable_atopology="yes"],
[AC_MSG_RESULT(no)] [AC_MSG_RESULT(no)]
) )
AC_LANG_RESTORE AC_LANG_POP([C])
fi 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. dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.