[MPlayer-cvslog] r24241 - trunk/configure

diego subversion at mplayerhq.hu
Mon Aug 27 13:40:25 CEST 2007


Author: diego
Date: Mon Aug 27 13:40:25 2007
New Revision: 24241

Log:
Do not overwrite config.h unless it was changed. Mostly taken from FFmpeg.


Modified:
   trunk/configure

Modified: trunk/configure
==============================================================================
--- trunk/configure	(original)
+++ trunk/configure	Mon Aug 27 13:40:25 2007
@@ -1298,6 +1298,7 @@ rm -f "$TMPLOG"
 TMPC="$I/mplayer-conf-$RANDOM-$$.c"
 TMPCPP="$I/mplayer-conf-$RANDOM-$$.cpp"
 TMPEXE="$I/mplayer-conf-$RANDOM-$$"
+TMPH="$I/mplayer-conf-$RANDOM-$$.h"
 TMPS="$I/mplayer-conf-$RANDOM-$$.S"
 
 echo configuration: $_configuration > "$TMPLOG"
@@ -7708,7 +7709,7 @@ done
 }
 
 echo "Creating config.h"
-cat > config.h << EOF
+cat > $TMPH << EOF
 /* -------- This file has been automatically generated by configure ---------
    Note: Any changes in it will be lost when you run configure again. */
 
@@ -8420,6 +8421,9 @@ $_def_xshape
 #endif /* MPLAYER_CONFIG_H */
 EOF
 
+# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
+! cmp -s "$TMPH" config.h && mv -f "$TMPH" config.h
+
 #############################################################################
 
 cat << EOF
@@ -8512,4 +8516,4 @@ EOF
 fi
 
 # Last move:
-rm -f "$TMPEXE" "$TMPC" "$TMPS" "$TMPCPP"
+rm -f "$TMPEXE" "$TMPC" "$TMPS" "$TMPCPP" "$TMPH"



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