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, 72 insertions, 43 deletions

diff --git a/libavutil/Makefile b/libavutil/Makefile
index 81df3b0640..234de62a4b 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -174,6 +174,7 @@ OBJS = adler32.o                                                        \
        tx_float.o                                                       \
        tx_double.o                                                      \
        tx_int32.o                                                       \
+       version.o                                                        \
        video_enc_params.o                                               \
        film_grain_params.o                                              \
 
diff --git a/libavutil/utils.c b/libavutil/utils.c
index ea9b5097b8..94d247bbee 100644
--- a/libavutil/utils.c
+++ b/libavutil/utils.c
@@ -19,55 +19,12 @@
 #include "config.h"
 #include "avutil.h"
 #include "avassert.h"
-#include "samplefmt.h"
-#include "internal.h"
 
 /**
  * @file
  * various utility functions
  */
 
-#include "libavutil/ffversion.h"
-const char av_util_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-
-const char *av_version_info(void)
-{
-    return FFMPEG_VERSION;
-}
-
-unsigned avutil_version(void)
-{
-    av_assert0(AV_SAMPLE_FMT_DBLP == 9);
-    av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
-    av_assert0(AV_PICTURE_TYPE_BI == 7);
-    av_assert0(LIBAVUTIL_VERSION_MICRO >= 100);
-    av_assert0(HAVE_MMX2 == HAVE_MMXEXT);
-
-    av_assert0(((size_t)-1) > 0); // C guarantees this but if false on a platform we care about revert at least b284e1ffe343d6697fb950d1ee517bafda8a9844
-
-    if (av_sat_dadd32(1, 2) != 5) {
-        av_log(NULL, AV_LOG_FATAL, "Libavutil has been built with a broken binutils, please upgrade binutils and rebuild\n");
-        abort();
-    }
-
-    if (llrint(1LL<<60) != 1LL<<60) {
-        av_log(NULL, AV_LOG_ERROR, "Libavutil has been linked to a broken llrint()\n");
-    }
-
-    return LIBAVUTIL_VERSION_INT;
-}
-
-const char *avutil_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char *avutil_license(void)
-{
-#define LICENSE_PREFIX "libavutil license: "
-    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
-}
-
 const char *av_get_media_type_string(enum AVMediaType media_type)
 {
     switch (media_type) {
diff --git a/libavutil/version.c b/libavutil/version.c
new file mode 100644
index 0000000000..b0f4f94a7a
--- /dev/null
+++ b/libavutil/version.c
@@ -0,0 +1,71 @@
+/*
+ * 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 <stdlib.h>
+
+#include "config.h"
+#include "avassert.h"
+#include "avutil.h"
+#include "common.h"
+#include "libm.h"
+#include "log.h"
+#include "samplefmt.h"
+#include "version.h"
+
+#include "libavutil/ffversion.h"
+const char av_util_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
+
+const char *av_version_info(void)
+{
+    return FFMPEG_VERSION;
+}
+
+unsigned avutil_version(void)
+{
+    av_assert0(AV_SAMPLE_FMT_DBLP == 9);
+    av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
+    av_assert0(AV_PICTURE_TYPE_BI == 7);
+    av_assert0(LIBAVUTIL_VERSION_MICRO >= 100);
+    av_assert0(HAVE_MMX2 == HAVE_MMXEXT);
+
+    av_assert0(((size_t)-1) > 0); // C guarantees this but if false on a platform we care about revert at least b284e1ffe343d6697fb950d1ee517bafda8a9844
+
+    if (av_sat_dadd32(1, 2) != 5) {
+        av_log(NULL, AV_LOG_FATAL, "Libavutil has been built with a broken binutils, please upgrade binutils and rebuild\n");
+        abort();
+    }
+
+    if (llrint(1LL<<60) != 1LL<<60) {
+        av_log(NULL, AV_LOG_ERROR, "Libavutil has been linked to a broken llrint()\n");
+    }
+
+    return LIBAVUTIL_VERSION_INT;
+}
+
+const char *avutil_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char *avutil_license(void)
+{
+#define LICENSE_PREFIX "libavutil license: "
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
+}