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, 42 insertions, 20 deletions

diff --git a/libswscale/Makefile b/libswscale/Makefile
index 1f02b56421..8e95f74c6b 100644
--- a/libswscale/Makefile
+++ b/libswscale/Makefile
@@ -17,6 +17,7 @@ OBJS = alphablend.o                                     \
        swscale.o                                        \
        swscale_unscaled.o                               \
        utils.o                                          \
+       version.o                                        \
        yuv2rgb.o                                        \
        vscale.o                                         \
 
diff --git a/libswscale/utils.c b/libswscale/utils.c
index e86c151f67..ffa130524a 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -40,8 +40,6 @@
 
 #include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
-#include "libavutil/avutil.h"
-#include "libavutil/bswap.h"
 #include "libavutil/cpu.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"
@@ -59,7 +57,6 @@
 #include "rgb2rgb.h"
 #include "swscale.h"
 #include "swscale_internal.h"
-#include "version.h"
 
 static SwsVector *sws_getIdentityVec(void);
 static void sws_addVec(SwsVector *a, SwsVector *b);
@@ -68,23 +65,6 @@ static void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
 
 static void handle_formats(SwsContext *c);
 
-unsigned swscale_version(void)
-{
-    av_assert0(LIBSWSCALE_VERSION_MICRO >= 100);
-    return LIBSWSCALE_VERSION_INT;
-}
-
-const char *swscale_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char *swscale_license(void)
-{
-#define LICENSE_PREFIX "libswscale license: "
-    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
-}
-
 typedef struct FormatEntry {
     uint8_t is_supported_in         :1;
     uint8_t is_supported_out        :1;
diff --git a/libswscale/version.c b/libswscale/version.c
new file mode 100644
index 0000000000..b165e2563e
--- /dev/null
+++ b/libswscale/version.c
@@ -0,0 +1,41 @@
+/*
+ * 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 "swscale.h"
+#include "version.h"
+
+unsigned swscale_version(void)
+{
+    av_assert0(LIBSWSCALE_VERSION_MICRO >= 100);
+    return LIBSWSCALE_VERSION_INT;
+}
+
+const char *swscale_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char *swscale_license(void)
+{
+#define LICENSE_PREFIX "libswscale license: "
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
+}