fb88c609c1
-libsndfile speexdsp json-c dbus p5-xml-parser glib +dbus glib xorg-libsm xorg-libxtst libsndfile intltool consolekit
64 lines
2.2 KiB
Diff
64 lines
2.2 KiB
Diff
From 01239c23f57e74ec40c92144d22fe153ee65f4ff Mon Sep 17 00:00:00 2001
|
|
From: Tanu Kaskinen <tanuk@iki.fi>
|
|
Date: Wed, 24 Jan 2018 03:51:49 +0200
|
|
Subject: [PATCH] memfd-wrappers: only define memfd_create() if not already
|
|
defined
|
|
|
|
glibc 2.27 is to be released soon, and it will provide memfd_create().
|
|
If glibc provides the function, we must not define it ourselves,
|
|
otherwise building fails due to conflict between the two implementations
|
|
of the same function.
|
|
|
|
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=104733
|
|
---
|
|
configure.ac | 3 +++
|
|
src/pulsecore/memfd-wrappers.h | 7 ++++---
|
|
2 files changed, 7 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/configure.ac b/configure.ac
|
|
index 013918f1a..1095ae8cb 100644
|
|
--- a/configure.ac
|
|
+++ b/configure.ac
|
|
@@ -607,6 +607,9 @@ AS_IF([test "x$enable_memfd" = "xyes" && test "x$HAVE_MEMFD" = "x0"],
|
|
[AC_MSG_ERROR([*** Your Linux kernel does not support memfd shared memory.
|
|
*** Use linux v3.17 or higher for such a feature.])])
|
|
|
|
+AS_IF([test "x$HAVE_MEMFD" = "x1"],
|
|
+ AC_CHECK_FUNCS([memfd_create]))
|
|
+
|
|
AC_SUBST(HAVE_MEMFD)
|
|
AM_CONDITIONAL([HAVE_MEMFD], [test "x$HAVE_MEMFD" = x1])
|
|
AS_IF([test "x$HAVE_MEMFD" = "x1"], AC_DEFINE([HAVE_MEMFD], 1, [Have memfd shared memory.]))
|
|
diff --git a/src/pulsecore/memfd-wrappers.h b/src/pulsecore/memfd-wrappers.h
|
|
index 3bed9b2b1..c7aadfd3c 100644
|
|
--- a/src/pulsecore/memfd-wrappers.h
|
|
+++ b/src/pulsecore/memfd-wrappers.h
|
|
@@ -20,13 +20,14 @@
|
|
License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
-#ifdef HAVE_MEMFD
|
|
+#if defined(HAVE_MEMFD) && !defined(HAVE_MEMFD_CREATE)
|
|
|
|
#include <sys/syscall.h>
|
|
#include <fcntl.h>
|
|
|
|
/*
|
|
- * No glibc wrappers exist for memfd_create(2), so provide our own.
|
|
+ * Before glibc version 2.27 there was no wrapper for memfd_create(2),
|
|
+ * so we have to provide our own.
|
|
*
|
|
* Also define memfd fcntl sealing macros. While they are already
|
|
* defined in the kernel header file <linux/fcntl.h>, that file as
|
|
@@ -63,6 +64,6 @@ static inline int memfd_create(const char *name, unsigned int flags) {
|
|
#define F_SEAL_WRITE 0x0008 /* prevent writes */
|
|
#endif
|
|
|
|
-#endif /* HAVE_MEMFD */
|
|
+#endif /* HAVE_MEMFD && !HAVE_MEMFD_CREATE */
|
|
|
|
#endif
|
|
--
|
|
2.15.1
|
|
|