guvcview: fix musl build (Alpine patch)

srcpkgs/guvcview/patches/0001-fix-building-with-musl-libc.patch

@@ -0,0 +1,120 @@
+From 3112f9654e9f21ce5d3ab23a3a1e7c6dfdce45c6 Mon Sep 17 00:00:00 2001
+From: Natanael Copa <ncopa@alpinelinux.org>
+Date: Mon, 25 May 2015 11:33:46 +0000
+Subject: [PATCH] fix building with musl libc
+
+The __BEGIN_DECLS and __END_DECLS are internal identifiers which are not
+defined in any standard. The use of those makes compile fail with musl
+libc so we avoid using them
+---
+ gview_audio/gviewaudio.h       | 9 +++++++--
+ gview_encoder/gviewencoder.h   | 8 ++++++--
+ gview_render/gviewrender.h     | 8 ++++++--
+ gview_v4l2core/gviewv4l2core.h | 8 ++++++--
+ 4 files changed, 25 insertions(+), 8 deletions(-)
+
+diff --git a/gview_audio/gviewaudio.h b/gview_audio/gviewaudio.h
+index 0cc6f70..5cae68b 100644
+--- gview_audio/gviewaudio.h
++++ gview_audio/gviewaudio.h
+@@ -38,7 +38,9 @@
+ #include <sys/types.h>
+ 
+ /*make sure we support c++*/
+-__BEGIN_DECLS
++#ifdef  __cplusplus
++extern "C" {
++#endif
+ 
+ /*Audio API*/
+ #define AUDIO_NONE          (0)
+@@ -263,6 +265,9 @@ int audio_stop(audio_context_t *audio_ctx);
+  */
+ void audio_close(audio_context_t *audio_ctx);
+ 
+-__END_DECLS
++
++#ifdef  __cplusplus
++}
++#endif
+ 
+ #endif
+diff --git a/gview_encoder/gviewencoder.h b/gview_encoder/gviewencoder.h
+index 2bc3586..aeff883 100644
+--- gview_encoder/gviewencoder.h
++++ gview_encoder/gviewencoder.h
+@@ -38,7 +38,9 @@
+ #include <sys/types.h>
+ 
+ /*make sure we support c++*/
+-__BEGIN_DECLS
++#ifdef  __cplusplus
++extern "C" {
++#endif
+ 
+ /*encoder modes*/
+ #define ENCODER_MODE_NONE   (0)
+@@ -732,6 +734,8 @@ int encoder_write_audio_data(encoder_context_t *encoder_ctx);
+  */
+ int encoder_disk_supervisor(int treshold, const char *path);
+ 
+-__END_DECLS
++#ifdef  __cplusplus
++}
++#endif
+ 
+ #endif
+diff --git a/gview_render/gviewrender.h b/gview_render/gviewrender.h
+index e6cedfa..73c3b2c 100644
+--- gview_render/gviewrender.h
++++ gview_render/gviewrender.h
+@@ -38,7 +38,9 @@
+ #include <sys/types.h>
+ 
+ /*make sure we support c++*/
+-__BEGIN_DECLS
++#ifdef  __cplusplus
++extern "C" {
++#endif
+ 
+ #define RENDER_NONE     (0)
+ #define RENDER_SDL      (1)
+@@ -279,6 +281,8 @@ void render_clean_fx();
+  */
+ void render_close();
+ 
+-__END_DECLS
++#ifdef  __cplusplus
++}
++#endif
+ 
+ #endif
+diff --git a/gview_v4l2core/gviewv4l2core.h b/gview_v4l2core/gviewv4l2core.h
+index e9d5d53..35f075f 100644
+--- gview_v4l2core/gviewv4l2core.h
++++ gview_v4l2core/gviewv4l2core.h
+@@ -33,7 +33,9 @@
+ #include <sys/types.h>
+ 
+ /*make sure we support c++*/
+-__BEGIN_DECLS
++#ifdef __cplusplus
++extern "C" {
++#endif
+ 
+ /*
+  * LOGITECH Dynamic controls defs
+@@ -1386,7 +1388,9 @@ int v4l2core_save_image(v4l2_frame_buff_t *frame, const char *filename, int form
+  */
+ uint64_t v4l2core_time_get_timestamp();
+ 
+-__END_DECLS
++#ifdef __cplusplus
++}
++#endif
+ 
+ #endif
+ 
+-- 
+2.4.1
+

srcpkgs/guvcview/template

@@ -15,3 +15,7 @@ license="GPL-3"
 homepage="http://guvcview.sourceforge.net/"
 distfiles="${SOURCEFORGE_SITE}/$pkgname/${pkgname}-src-${version}.tar.gz"
 checksum=670ef45168a9b58d36ac42f09c498db5e56b76b0be25b0a6dc97528569334fa2
+
+post_extract() {
+	sed '31a#include <locale.h>' -i  guvcview/guvcview.c
+}