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jack: Support OSX

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Previously, with JACK installed, the configure script would enable the
JACK indev; this broke on OS X due to an incomplete pthreads
implementation. Add some simple macros to map libdispatch to pthreads
on OS X.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Josh de Kock
2016-03-26 15:27:23 +00:00
committed by Luca Barbato
parent 5f02266681
commit 6bb99757b7
2 changed files with 51 additions and 1 deletions
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42
compat/dispatch_semaphore/semaphore.h Normal file
View File

@@ -0,0 +1,42 @@
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H
#define COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H
#include <dispatch/dispatch.h>
#include <errno.h>
#define sem_t dispatch_semaphore_t
#define sem_post(psem) dispatch_semaphore_signal(*psem)
#define sem_wait(psem) dispatch_semaphore_wait(*psem, DISPATCH_TIME_FOREVER)
#define sem_timedwait(psem, val) dispatch_semaphore_wait(*psem, dispatch_walltime(val, 0))
#define sem_destroy(psem) dispatch_release(*psem)
static inline int compat_sem_init(dispatch_semaphore_t *psem,
int unused, int val)
{
int ret = !!(*psem = dispatch_semaphore_create(val)) - 1;
if (ret < 0)
errno = ENOMEM;
return ret;
}
#define sem_init compat_sem_init
#endif /* COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H */

10
configure vendored
View File

@@ -1447,6 +1447,7 @@ BUILTIN_LIST="
MemoryBarrier
mm_empty
rdtsc
sem_timedwait
sync_val_compare_and_swap
"
HAVE_LIST_CMDLINE="
@@ -1467,6 +1468,7 @@ HEADERS_LIST="
arpa_inet_h
cdio_paranoia_h
cdio_paranoia_paranoia_h
dispatch_dispatch_h
dev_bktr_ioctl_bt848_h
dev_bktr_ioctl_meteor_h
dev_ic_bt8xx_h
@@ -2300,7 +2302,8 @@ bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr
dv1394_indev_deps="dv1394"
dv1394_indev_select="dv_demuxer"
fbdev_indev_deps="linux_fb_h"
jack_indev_deps="jack_jack_h pthreads"
jack_indev_deps="jack_jack_h"
jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
libcdio_indev_deps="libcdio"
libdc1394_indev_deps="libdc1394"
oss_indev_deps_any="soundcard_h sys_soundcard_h"
@@ -3747,6 +3750,8 @@ case $target_os in
enabled x86_64 && objformat="macho64"
enabled_any pic shared ||
{ check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
check_header dispatch/dispatch.h &&
add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
;;
msys*)
die "Native MSYS builds are discouraged, please use the MINGW environment.";
@@ -4503,6 +4508,9 @@ if ! disabled pthreads && ! enabled w32threads; then
fi
fi
enabled pthreads &&
check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib