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support building w/out System V shared memory

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Some systems, like Android/Bionic, do not support SysV at all.
Let the configure script detect if the header is available, and
if not, automatically disable the pieces that require it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mike Frysinger 2015-10-27 17:28:04 -04:00 • committed by Takashi Iwai
parent 7e90867487
commit 561df6fda0
3 changed files with 34 additions and 3 deletions
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13
configure.ac
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@ -295,7 +295,7 @@ fi
AC_SUBST(ALSA_DEPLIBS)
dnl Check for headers
AC_CHECK_HEADERS([wordexp.h endian.h sys/endian.h])
AC_CHECK_HEADERS([wordexp.h endian.h sys/endian.h sys/shm.h])
dnl Check for resmgr support...
AC_MSG_CHECKING(for resmgr support)
@ -508,6 +508,13 @@ if test "$gcc_have_atomics" != "yes"; then
build_pcm_meter="no"
fi
if test "$ac_cv_header_sys_shm_h" != "yes"; then
build_pcm_dmix="no"
build_pcm_dshare="no"
build_pcm_dsnoop="no"
build_pcm_shm="no"
fi
AM_CONDITIONAL([BUILD_PCM_PLUGIN], [test x$build_pcm_plugin = xyes])
AM_CONDITIONAL([BUILD_PCM_PLUGIN_COPY], [test x$build_pcm_copy = xyes])
AM_CONDITIONAL([BUILD_PCM_PLUGIN_LINEAR], [test x$build_pcm_linear = xyes])
@ -594,6 +601,10 @@ for p in $ctl_plugins; do
done
done
if test "$ac_cv_header_sys_shm_h" != "yes"; then
build_ctl_shm="no"
fi
AM_CONDITIONAL([BUILD_CTL_PLUGIN], [test x$build_ctl_plugin = xyes])
AM_CONDITIONAL([BUILD_CTL_PLUGIN_SHM], [test x$build_ctl_shm = xyes])
AM_CONDITIONAL([BUILD_CTL_PLUGIN_EXT], [test x$build_ctl_ext = xyes])