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alsa-lib: fix noMMU build

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Add a patch to use vfork() instead of fork().

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas Petazzoni 2013-03-09 08:21:27 +00:00 committed by Peter Korsgaard
parent 3bae624d5f
commit d4b074554f
2 changed files with 45 additions and 0 deletions
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44
package/alsa-lib/alsa-lib-no-mmu.patch Normal file
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@ -0,0 +1,44 @@
Don't use fork() on noMMU platforms
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Index: alsa-lib-1.0.26/configure.in
===================================================================
--- alsa-lib-1.0.26.orig/configure.in 2012-09-06 10:55:14.000000000 +0200
+++ alsa-lib-1.0.26/configure.in 2013-03-09 16:22:08.000000000 +0100
@@ -66,6 +66,8 @@
AM_CONDITIONAL(ALSA_HSEARCH_R, [test "x$HAVE_HSEARCH_R" != xyes])
AC_CHECK_FUNCS([uselocale])
+AC_CHECK_FUNC([fork])
+
SAVE_LIBRARY_VERSION
AC_SUBST(LIBTOOL_VERSION_INFO)
Index: alsa-lib-1.0.26/src/pcm/pcm_direct.c
===================================================================
--- alsa-lib-1.0.26.orig/src/pcm/pcm_direct.c 2012-09-06 10:55:14.000000000 +0200
+++ alsa-lib-1.0.26/src/pcm/pcm_direct.c 2013-03-09 16:22:51.000000000 +0100
@@ -424,13 +424,21 @@
close(dmix->server_fd);
return ret;
}
-
+
+#ifdef HAVE_FORK
ret = fork();
+#else
+ ret = vfork();
+#endif
if (ret < 0) {
close(dmix->server_fd);
return ret;
} else if (ret == 0) {
+#ifdef HAVE_FORK
ret = fork();
+#else
+ ret = vfork();
+#endif
if (ret == 0)
server_job(dmix);
_exit(EXIT_SUCCESS);

1
package/alsa-lib/alsa-lib.mk
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@ -11,6 +11,7 @@ ALSA_LIB_LICENSE = LGPLv2.1+
ALSA_LIB_LICENSE_FILES = COPYING
ALSA_LIB_INSTALL_STAGING = YES
ALSA_LIB_CFLAGS=$(TARGET_CFLAGS)
ALSA_LIB_AUTORECONF = YES
ALSA_LIB_CONF_OPT = --with-alsa-devdir=$(call qstrip,$(BR2_PACKAGE_ALSA_LIB_DEVDIR)) \
--with-pcm-plugins="$(call qstrip,$(BR2_PACKAGE_ALSA_LIB_PCM_PLUGINS))" \
--with-ctl-plugins="$(call qstrip,$(BR2_PACKAGE_ALSA_LIB_CTL_PLUGINS))" \