On Thu, Sep 17, 2009 at 11:10:48AM -0700, David Anderson wrote:
> - "make" at the top level rebuilds everything in sched/,
> even if it's up to date.
svn_version.h is always rewritten, and sched/ depends on that.
diff --git a/generate_svn_version.sh b/generate_svn_version.sh
index c6ecb88..b90f9bc 100644
--- a/generate_svn_version.sh
+++ b/generate_svn_version.sh
@@ -1,8 +1,11 @@
#!/usr/bin/env sh
-echo "#ifndef SVN_VERSION_H" > svn_version.h
-echo "#define SVN_VERSION_H" >> svn_version.h
-echo "" >> svn_version.h
+HEADER="svn_version.h"
+TMPFILE="$HEADER.tmp"
+
+echo "#ifndef SVN_VERSION_H" > $TMPFILE
+echo "#define SVN_VERSION_H" >> $TMPFILE
+echo "" >> $TMPFILE
if [ -d .git ]; then
CMD="git svn info"
@@ -17,11 +20,17 @@ if [ "x$CMD" != "x" ]; then
/^Rev/ { rev = $2; }; \
END { print "#define SVN_VERSION \"Repository: " url \
" Revision: " rev "\""; };' \
- >> svn_version.h
+ >> $TMPFILE
else
- echo "#include \"version.h\"" >> svn_version.h
- echo "#define SVN_VERSION BOINC_VERSION_STRING" >> svn_version.h
+ echo "#include \"version.h\"" >> $TMPFILE
+ echo "#define SVN_VERSION BOINC_VERSION_STRING" >> $TMPFILE
fi
-echo "" >> svn_version.h
-echo "#endif" >> svn_version.h
+echo "" >> $TMPFILE
+echo "#endif" >> $TMPFILE
+
+if cmp "$HEADER" "$TMPFILE" >/dev/null 2>&1; then
+ rm -f "$TMPFILE"
+else
+ mv "$TMPFILE" "$HEADER"
+fi
--
---------------------------------------------------------
MTA SZTAKI Computer and Automation Research Institute
Hungarian Academy of Sciences
---------------------------------------------------------
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