Do not automatically run configure

Making automatic reconfigure work properly in all cases proved more
difficult than it seemed, and people complained about it.  Instead,
print a warning when the configuration appears to be out of date.

Originally committed as revision 24436 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/Makefile b/Makefile
index 61dfb96..8c0d5b6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -59,6 +59,9 @@ $(PROGS): %$(EXESUF): %_g$(EXESUF)
 
 config.h: .config
 .config: $(wildcard $(FFLIBS:%=$(SRC_DIR)/lib%/all*.c))
+       @-tput bold 2>/dev/null
+       @-printf '\nWARNING: $(?F) newer than config.h, rerun configure\n\n'
+       @-tput sgr0 2>/dev/null
 
 SUBDIR_VARS := OBJS FFLIBS CLEANFILES DIRS TESTPROGS EXAMPLES SKIPHEADERS \
                ALTIVEC-OBJS MMX-OBJS NEON-OBJS X86-OBJS YASM-OBJS-FFT YASM-OBJS \
@@ -168,9 +171,8 @@ distclean::
        $(RM) $(DISTCLEANSUFFIXES)
        $(RM) version.h config.* libavutil/avconfig.h
 
-config .config:
+config:
        $(SRC_PATH)/configure $(value FFMPEG_CONFIGURATION)
-       @touch .config
 
 # regression tests