Deinterleave the generation of config.h and config.mak.

As a sideeffect this moves more interesting variables to the top of config.mak.

Originally committed as revision 19950 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -2598,12 +2598,6 @@ echo "License: $license"
 echo "Creating config.mak and config.h..."
 
 echo "# Automatically generated by configure - do not modify!" > config.mak
-echo "/* Automatically generated by configure - do not modify! */" > $TMPH
-echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
-echo "#define FFMPEG_CONFIG_H" >> $TMPH
-echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
-echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
-
 echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
 echo "FFMPEG_CONFIG_MAK=1" >> config.mak
 
@@ -2701,6 +2695,27 @@ echo "EXTRALIBS=$extralibs" >> config.mak
 
 echo "ARCH=$arch" >> config.mak
 
+
+echo "/* Automatically generated by configure - do not modify! */" > $TMPH
+echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
+echo "#define FFMPEG_CONFIG_H" >> $TMPH
+echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
+echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
+
+echo "#define restrict $_restrict" >> $TMPH
+
+if enabled small || disabled optimizations; then
+    echo "#define av_always_inline"  >> $TMPH
+fi
+
+
+# Apparently it's not possible to portably echo a backslash.
+enabled asmalign_pot &&
+    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
+    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
+
+echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
+
 print_config ARCH_   $TMPH config.mak $ARCH_LIST
 print_config HAVE_   $TMPH config.mak $HAVE_LIST
 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
@@ -2717,20 +2732,6 @@ print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
                                       $INDEV_LIST        \
                                       $OUTDEV_LIST       \
 
-echo "#define restrict $_restrict" >> $TMPH
-
-if enabled small || disabled optimizations; then
-    echo "#define av_always_inline"  >> $TMPH
-fi
-
-
-# Apparently it's not possible to portably echo a backslash.
-enabled asmalign_pot &&
-    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
-    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
-
-echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
-
 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak