Bug#844044: gstreamer1.0: FTBFS on hurd-i386

Samuel Thibault sthibault at debian.org
Sat Nov 12 00:11:52 UTC 2016

Source: gstreamer1.0
Version: 1.10.0-2
Severity: important
Tags: upstream patch
User: debian-hurd at lists.debian.org
Usertags: hurd


gstreamer1.0 currently FTBFS on hurd-i386 because it erroneously
compiles clock_gettime.c on all archs because of a missing
AM_CONDITIONAL. It works on Linux only by luck, because __MACH__ is not
defined there, but it is on the Hurd since it uses a Mach kernel. But
gstreamer happens to confuse __MACH__ with "building on MacOS", and
starts using MacOS-specific mach calls, which don't exist on GNU Mach...

The attached patch fixes the build of clock_gettime.c by making
it properly detect Darwin, and it fixes not actually building
clock_gettime.c when clock_gettime is actually available, since it can
only bring issues, and it's probably only by luck if it never has on
Linux yet.


-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'buildd-unstable'), (500, 'unstable'), (500, 'stable'), (500, 'oldstable'), (1, 'experimental-debug'), (1, 'buildd-experimental'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.8.0 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

<P> je sens venir la fonte 14 pour le rapport
 -+- #ens-mim -+-
-------------- next part --------------
--- ./libs/gst/check/libcheck/clock_gettime.c.original	2016-11-11 23:41:33.000000000 +0000
+++ ./libs/gst/check/libcheck/clock_gettime.c	2016-11-11 23:43:09.000000000 +0000
@@ -1,6 +1,6 @@
 #include "libcompat.h"
-#ifdef __MACH__
+#if defined(__MACH__) && defined(__APPLE__)
 #include <mach/clock.h>
 #include <mach/mach.h>
 #include <mach/mach_time.h>
@@ -15,7 +15,7 @@
 clock_gettime (clockid_t clk_id CK_ATTRIBUTE_UNUSED, struct timespec *ts)
-#ifdef __MACH__
+#if defined(__MACH__) && defined(__APPLE__)
   /* OS X does not have clock_gettime, use mach_absolute_time */
   static mach_timebase_info_data_t sTimebaseInfo;
--- ./m4/check-checks.m4.original	2016-11-11 23:52:21.000000000 +0000
+++ ./m4/check-checks.m4	2016-11-11 23:52:30.000000000 +0000
@@ -95,7 +95,7 @@
 AM_CONDITIONAL(HAVE_TIMER_CREATE_SETTIME_DELETE, test "x$ac_cv_lib_rt_timer_create__timer_settime__timer_delete" = "xyes")
 dnl Allow for checking HAVE_CLOCK_GETTIME in automake files
 dnl Create _stdint.h in the top-level directory

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