don't dispatch header file if it's already dispatched to multiarch-ARCH-linux

1 files changed, 7 insertions, 5 deletions

diff --git a/mkmultiarch b/mkmultiarch
index 8f25e48..00671fe 100755
--- a/mkmultiarch
+++ b/mkmultiarch
@@ -42,14 +42,16 @@ function dispatch_includes() {
     while read localfile; do
 	[[ -f "$incdir/$localfile" ]] && dispatch_includes $incdir/$localfile
     done
-    # dispatch selected include file
-    local archincdir=$prefix/$mplat/$suffix
-    [[ -d $archincdir ]] || mkdir -p $archincdir
-    mv $file $archincdir/
-    cat > $file << EOF
+    # dispatch selected include file, provided it's not already dispatched
+    grep -q _MULTIARCH_HEADER $file || {
+	local archincdir=$prefix/$mplat/$suffix
+	[[ -d $archincdir ]] || mkdir -p $archincdir
+	mv $file $archincdir/
+	cat > $file << EOF
 #define _MULTIARCH_HEADER $suffix${file##*/}
 #include <multiarch-dispatch.h>
 EOF
+    }
 }
 
 while [[ $# -gt 0 ]]; do