diff options
Diffstat (limited to 'meta/recipes-multimedia/pulseaudio/pulseaudio/0001-memfd-wrappers-only-define-memfd_create-if-not-alrea.patch')
| -rw-r--r-- | meta/recipes-multimedia/pulseaudio/pulseaudio/0001-memfd-wrappers-only-define-memfd_create-if-not-alrea.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/pulseaudio/pulseaudio/0001-memfd-wrappers-only-define-memfd_create-if-not-alrea.patch b/meta/recipes-multimedia/pulseaudio/pulseaudio/0001-memfd-wrappers-only-define-memfd_create-if-not-alrea.patch new file mode 100644 index 0000000000..0391f3785b --- /dev/null +++ b/meta/recipes-multimedia/pulseaudio/pulseaudio/0001-memfd-wrappers-only-define-memfd_create-if-not-alrea.patch @@ -0,0 +1,66 @@ +From 0cb66c0c5aafd48b63a755860746e70afb332c8d 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 +--- +Upstream-Status: Submitted [https://bugs.freedesktop.org/attachment.cgi?id=136927] +Signed-off-by: Khem Raj <raj.khem@gmail.com> + + 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 77b5ff5..3a71fd8 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 3bed9b2..c7aadfd 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 +-- +2.16.1 + |