lib*/version: Move library version functions into files of their own

This avoids having to rebuild big files every time FFMPEG_VERSION
changes (which it does with every commit).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

3 files changed, 46 insertions, 21 deletions

diff --git a/libavformat/Makefile b/libavformat/Makefile
index f16634a418..537f5a1124 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -25,6 +25,7 @@ OBJS = allformats.o         \
        seek.o               \
        url.o                \
        utils.o              \
+       version.o            \
 
 OBJS-$(HAVE_LIBC_MSVCRT)                 += file_open.o
 
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 3f253c2045..19f5ae720c 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -46,10 +46,6 @@
 #if CONFIG_NETWORK
 #include "network.h"
 #endif
-#include "version.h"
-
-#include "libavutil/ffversion.h"
-const char av_format_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
 
 static AVMutex avformat_mutex = AV_MUTEX_INITIALIZER;
 
@@ -58,23 +54,6 @@ static AVMutex avformat_mutex = AV_MUTEX_INITIALIZER;
  * various utility functions for use within FFmpeg
  */
 
-unsigned avformat_version(void)
-{
-    av_assert0(LIBAVFORMAT_VERSION_MICRO >= 100);
-    return LIBAVFORMAT_VERSION_INT;
-}
-
-const char *avformat_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char *avformat_license(void)
-{
-#define LICENSE_PREFIX "libavformat license: "
-    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
-}
-
 int ff_lock_avformat(void)
 {
     return ff_mutex_lock(&avformat_mutex) ? -1 : 0;
diff --git a/libavformat/version.c b/libavformat/version.c
new file mode 100644
index 0000000000..5f321d847e
--- /dev/null
+++ b/libavformat/version.c
@@ -0,0 +1,45 @@
+/*
+ * Version functions.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavutil/avassert.h"
+#include "avformat.h"
+#include "version.h"
+
+#include "libavutil/ffversion.h"
+const char av_format_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
+
+unsigned avformat_version(void)
+{
+    av_assert0(LIBAVFORMAT_VERSION_MICRO >= 100);
+    return LIBAVFORMAT_VERSION_INT;
+}
+
+const char *avformat_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char *avformat_license(void)
+{
+#define LICENSE_PREFIX "libavformat license: "
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
+}