[PATCH 1/9] configure.ac: add --enable-hybrid-sync option
Daniel Santos
daniel.santos at pobox.com
Thu Sep 10 18:26:03 CDT 2015
This is the switch that turns on the patchset via the config.h macro
ENABLE_POSIX_SYNC.
Signed-off-by: Daniel Santos <daniel.santos at pobox.com>
---
configure | 34 ++++++++++++++++++++++++++++++++++
configure.ac | 12 ++++++++++++
include/config.h.in | 6 ++++++
3 files changed, 52 insertions(+)
diff --git a/configure b/configure
index 15a122b..1b009ea 100755
--- a/configure
+++ b/configure
@@ -800,6 +800,7 @@ enable_win16
enable_win64
enable_tests
enable_maintainer_mode
+enable_hybrid_sync
with_alsa
with_capi
with_cms
@@ -2155,6 +2156,8 @@ Optional Features:
--disable-tests do not build the regression tests
--enable-maintainer-mode
enable maintainer-specific build rules
+ --enable-hybrid-sync enable hybrid of server-side and process local
+ synchronisation objects (experimental)
--disable-largefile omit support for large files
Optional Packages:
@@ -3260,6 +3263,11 @@ if test "${enable_maintainer_mode+set}" = set; then :
enableval=$enable_maintainer_mode;
fi
+# Check whether --enable-hybrid-sync was given.
+if test "${enable_hybrid_sync+set}" = set; then :
+ enableval=$enable_hybrid_sync;
+fi
+
# Check whether --with-alsa was given.
@@ -7057,6 +7065,32 @@ fi
done
+for ac_header in semaphore.h
+do :
+ ac_fn_c_check_header_compile "$LINENO" "semaphore.h" "ac_cv_header_semaphore_h" "#ifdef HAVE_SEMAPHORE_H
+#include <semaphore.h>
+#endif
+"
+if test "x$ac_cv_header_semaphore_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_SEMAPHORE_H 1
+_ACEOF
+
+fi
+
+done
+
+
+enable_posix_sync=0
+if test "x$enable_hybrid_sync" = "xyes"
+then
+
+cat >>confdefs.h <<_ACEOF
+#define ENABLE_POSIX_SYNC 1
+_ACEOF
+
+fi
+
for ac_header in linux/videodev.h linux/videodev2.h libv4l1.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
diff --git a/configure.ac b/configure.ac
index aec53f6..77c9246 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,7 @@ AC_ARG_ENABLE(win16, AS_HELP_STRING([--disable-win16],[do not include Win16 supp
AC_ARG_ENABLE(win64, AS_HELP_STRING([--enable-win64],[build a Win64 emulator on AMD64 (won't run Win32 binaries)]))
AC_ARG_ENABLE(tests, AS_HELP_STRING([--disable-tests],[do not build the regression tests]))
AC_ARG_ENABLE(maintainer-mode, AS_HELP_STRING([--enable-maintainer-mode],[enable maintainer-specific build rules]))
+AC_ARG_ENABLE(hybrid-sync, AS_HELP_STRING([--enable-hybrid-sync],[enable hybrid of server-side and process local synchronisation objects (experimental)]))
AC_ARG_WITH(alsa, AS_HELP_STRING([--without-alsa],[do not use the Alsa sound support]),
[if test "x$withval" = "xno"; then ac_cv_header_sys_asoundlib_h=no; ac_cv_header_alsa_asoundlib_h=no; fi])
@@ -650,6 +651,17 @@ AC_CHECK_HEADERS([pthread_np.h],,,
#include <pthread.h>
#endif])
+AC_CHECK_HEADERS([semaphore.h],,,
+[#ifdef HAVE_SEMAPHORE_H
+#include <semaphore.h>
+#endif])
+
+enable_posix_sync=0
+if test "x$enable_hybrid_sync" = "xyes"
+then
+ AC_DEFINE_UNQUOTED(ENABLE_POSIX_SYNC, 1, [Define to 1 to enable hybrid synchronization.])
+fi
+
AC_CHECK_HEADERS([linux/videodev.h linux/videodev2.h libv4l1.h],,,
[#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
diff --git a/include/config.h.in b/include/config.h.in
index eb61a94..6615a98 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -7,6 +7,9 @@
/* Define to a function attribute for Microsoft hotpatch assembly prefix. */
#undef DECLSPEC_HOTPATCH
+/* Define to 1 to enable hybrid synchronization. */
+#undef ENABLE_POSIX_SYNC
+
/* Define to the file extension for executables. */
#undef EXEEXT
@@ -759,6 +762,9 @@
/* Define to 1 if you have the `select' function. */
#undef HAVE_SELECT
+/* Define to 1 if you have the <semaphore.h> header file. */
+#undef HAVE_SEMAPHORE_H
+
/* Define to 1 if you have the `sendmsg' function. */
#undef HAVE_SENDMSG
--
2.4.6
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