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d624eaaa37
* gnu/packages/patches/pulseaudio-glibc-2.27.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/pulseaudio.scm (pulseaudio)[source]: Add the patch. [arguments]: Replace 'bootstrap' phase. [native-inputs]: Add autoconf, automake, and libtool.
67 lines
2.3 KiB
Diff
67 lines
2.3 KiB
Diff
Copied from:
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https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=dfb0460fb4743aec047cdf755a660a9ac2d0f3fb
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From dfb0460fb4743aec047cdf755a660a9ac2d0f3fb Mon Sep 17 00:00:00 2001
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From: Tanu Kaskinen <tanuk@iki.fi>
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Date: Wed, 24 Jan 2018 03:51:49 +0200
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Subject: [PATCH] memfd-wrappers: only define memfd_create() if not already
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defined
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glibc 2.27 is to be released soon, and it will provide memfd_create().
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If glibc provides the function, we must not define it ourselves,
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otherwise building fails due to conflict between the two implementations
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of the same function.
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BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=104733
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---
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configure.ac | 3 +++
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src/pulsecore/memfd-wrappers.h | 7 ++++---
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2 files changed, 7 insertions(+), 3 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 0084c86e..0eb44b08 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -610,6 +610,9 @@ AS_IF([test "x$enable_memfd" = "xyes" && test "x$HAVE_MEMFD" = "x0"],
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[AC_MSG_ERROR([*** Your Linux kernel does not support memfd shared memory.
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*** Use linux v3.17 or higher for such a feature.])])
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+AS_IF([test "x$HAVE_MEMFD" = "x1"],
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+ AC_CHECK_FUNCS([memfd_create]))
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+
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AC_SUBST(HAVE_MEMFD)
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AM_CONDITIONAL([HAVE_MEMFD], [test "x$HAVE_MEMFD" = x1])
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AS_IF([test "x$HAVE_MEMFD" = "x1"], AC_DEFINE([HAVE_MEMFD], 1, [Have memfd shared memory.]))
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diff --git a/src/pulsecore/memfd-wrappers.h b/src/pulsecore/memfd-wrappers.h
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index 3bed9b2b..c7aadfd3 100644
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--- a/src/pulsecore/memfd-wrappers.h
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+++ b/src/pulsecore/memfd-wrappers.h
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@@ -20,13 +20,14 @@
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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-#ifdef HAVE_MEMFD
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+#if defined(HAVE_MEMFD) && !defined(HAVE_MEMFD_CREATE)
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#include <sys/syscall.h>
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#include <fcntl.h>
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/*
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- * No glibc wrappers exist for memfd_create(2), so provide our own.
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+ * Before glibc version 2.27 there was no wrapper for memfd_create(2),
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+ * so we have to provide our own.
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*
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* Also define memfd fcntl sealing macros. While they are already
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* defined in the kernel header file <linux/fcntl.h>, that file as
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@@ -63,6 +64,6 @@ static inline int memfd_create(const char *name, unsigned int flags) {
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#define F_SEAL_WRITE 0x0008 /* prevent writes */
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#endif
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-#endif /* HAVE_MEMFD */
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+#endif /* HAVE_MEMFD && !HAVE_MEMFD_CREATE */
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#endif
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--
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2.16.2
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