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-rw-r--r--gnu/local.mk2
-rw-r--r--gnu/packages/patches/libtgvoip-disable-sse2.patch51
-rw-r--r--gnu/packages/patches/libtgvoip-disable-webrtc.patch47
-rw-r--r--gnu/packages/telephony.scm6
4 files changed, 106 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index 83bba6b644..b7fa503257 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1113,6 +1113,8 @@ dist_patch_DATA =						\
   %D%/packages/patches/libsndfile-CVE-2017-8362.patch		\
   %D%/packages/patches/libsndfile-CVE-2017-12562.patch		\
   %D%/packages/patches/libtar-CVE-2013-4420.patch 		\
+  %D%/packages/patches/libtgvoip-disable-sse2.patch 		\
+  %D%/packages/patches/libtgvoip-disable-webrtc.patch 		\
   %D%/packages/patches/libtheora-config-guess.patch		\
   %D%/packages/patches/libtommath-fix-linkage.patch		\
   %D%/packages/patches/libtool-skip-tests2.patch		\
diff --git a/gnu/packages/patches/libtgvoip-disable-sse2.patch b/gnu/packages/patches/libtgvoip-disable-sse2.patch
new file mode 100644
index 0000000000..0e4faeab26
--- /dev/null
+++ b/gnu/packages/patches/libtgvoip-disable-sse2.patch
@@ -0,0 +1,51 @@
+Copied from Debian.
+
+Description: Disable SSE2 code on i386
+ This patch is not complete. A high-graded solution may use automatic switching
+ between SSE2 and C++ implementations based on the results of runtime checks.
+ The webrtc code already provides for one of them inside its GetCPUInfo function.
+Bug-Debian: https://bugs.debian.org/892823
+Author: Nicholas Guriev <guriev-ns@ya.ru>
+Last-Update: Tue, 29 Jan 2019 23:26:38 +0300
+
+--- a/libtgvoip.gyp
++++ b/libtgvoip.gyp
+@@ -871,11 +871,7 @@
+                 'WEBRTC_POSIX',
+               ],
+               'conditions': [
+-                [ '"<!(uname -m)" == "i686"', {
+-                  'cflags_cc': [
+-                    '-msse2',
+-                  ],
+-                }], ['"<!(uname -s)" == "Linux"', {
++                [ '"<!(uname -s)" == "Linux"', {
+                   'defines': [
+                     'WEBRTC_LINUX',
+                   ],
+--- a/webrtc_dsp/rtc_base/system/arch.h
++++ b/webrtc_dsp/rtc_base/system/arch.h
+@@ -28,7 +28,10 @@
+ #define WEBRTC_ARCH_64_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
+ #elif defined(_M_IX86) || defined(__i386__)
++#if defined(__SSE2__)
++// This macro is mostly used to detect SSE2 extension.
+ #define WEBRTC_ARCH_X86_FAMILY
++#endif
+ #define WEBRTC_ARCH_X86
+ #define WEBRTC_ARCH_32_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
+--- a/webrtc_dsp/typedefs.h
++++ b/webrtc_dsp/typedefs.h
+@@ -28,7 +28,10 @@
+ #define WEBRTC_ARCH_64_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
+ #elif defined(_M_IX86) || defined(__i386__)
++#if defined(__SSE2__)
++// This macro is mostly used to detect SSE2 extension.
+ #define WEBRTC_ARCH_X86_FAMILY
++#endif
+ #define WEBRTC_ARCH_X86
+ #define WEBRTC_ARCH_32_BITS
+ #define WEBRTC_ARCH_LITTLE_ENDIAN
diff --git a/gnu/packages/patches/libtgvoip-disable-webrtc.patch b/gnu/packages/patches/libtgvoip-disable-webrtc.patch
new file mode 100644
index 0000000000..0ca532301c
--- /dev/null
+++ b/gnu/packages/patches/libtgvoip-disable-webrtc.patch
@@ -0,0 +1,47 @@
+Copied from Debian.
+
+Description: Fix build of  WebRTC on non-Linux systems
+ * Define the WEBRTC_LINUX macro only on Linux, and not on GNU/Hurd or FreeBSD.
+ * Fix type cast in the CurrentThreadId function.
+Bug-Debian: https://bugs.debian.org/920851
+Author: Nicholas Guriev <guriev-ns@ya.ru>
+Last-Update: Tue, 29 Jan 2019 23:26:44 +0300
+
+--- a/libtgvoip.gyp
++++ b/libtgvoip.gyp
+@@ -869,20 +869,18 @@
+             '"<(OS)" == "linux"', {
+               'defines': [
+                 'WEBRTC_POSIX',
+-                'WEBRTC_LINUX',
+               ],
+               'conditions': [
+                 [ '"<!(uname -m)" == "i686"', {
+                   'cflags_cc': [
+                     '-msse2',
+                   ],
++                }], ['"<!(uname -s)" == "Linux"', {
++                  'defines': [
++                    'WEBRTC_LINUX',
++                  ],
+                 }]
+               ],
+-              'direct_dependent_settings': {
+-                'libraries': [
+-
+-                ],
+-              },
+             },
+           ],
+         ],
+--- a/webrtc_dsp/rtc_base/platform_thread_types.cc
++++ b/webrtc_dsp/rtc_base/platform_thread_types.cc
+@@ -31,7 +31,7 @@ PlatformThreadId CurrentThreadId() {
+   return syscall(__NR_gettid);
+ #else
+   // Default implementation for nacl and solaris.
+-  return reinterpret_cast<pid_t>(pthread_self());
++  return static_cast<pid_t>(pthread_self());
+ #endif
+ #endif  // defined(WEBRTC_POSIX)
+ }
diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index 11eeeedce4..8e7384bf85 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -960,6 +960,12 @@ This package provides the Jami client for the GNOME desktop.")
              (url "https://github.com/grishka/libtgvoip.git")
              (commit version)))
        (file-name (git-file-name name version))
+       ;; Fix compilation on i686-linux architecture.
+       ;; NOTE: Applying these patches is order-dependent!
+       ;; The patch for WebRTC /must/ precede the patch for SSE2.
+       (patches
+        (search-patches "libtgvoip-disable-webrtc.patch"
+                        "libtgvoip-disable-sse2.patch"))
        (sha256
         (base32
          "122kn3jx6v0kkldlzlpzvlwqxgp6pmzxsjhrhcxw12bx9c08sar5"))))