X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=depend.sh;h=a0af40c845167390f53640144b2adc09c5cf1ee9;hp=db32f6c6ab834c88dceba94cdc2dd37fd6cfcb87;hb=1c6fa9aa4483c491c4edf0129bc26478513324ed;hpb=11e68b8de3eb8bf8b657333d5b8359260559e93b

diff --git a/depend.sh b/depend.sh
index db32f6c6..a0af40c8 100755
--- a/depend.sh
+++ b/depend.sh
@@ -1,4 +1,25 @@
 #!/bin/sh
-dir="$1"
+
+# Call gcc to output a rule suitable for make describing the dependencies of
+# the given input file and parse the output to add a *.d target with the same
+# dependencies.
+
+# The first three arguments to that script are special: $1 is the
+# dependency directory and $2 is the object directory. These are used
+# to prefix the .d and .o targets respectively. $3 is the directory
+# that contains the *.cmdline.h files generated by gengetopt.
+
+# As gcc outputs the dependencies on the *.cmdline.h files either as either
+# foo.cmdline.h or as $cmdline_dir/foo,cmdline.h, depending on whether the
+# latter file exists, we prefix the former with $2/
+
+dep_dir="$1"
+object_dir="$2"
+cmdline_dir="$3"
 shift
-gcc -MM -MG "$@" | sed -e "s@^\(.*\)\.o:@$dir/\1.d $dir/\1.o:@"
+shift
+shift
+
+LC_ALL=C gcc -MM -MG "$@" \
+	| sed -e "s@^\(.*\)\.o:@$dep_dir/\1.d $object_dir/\1.o:@" \
+	-e "s@[ 	^]\([a-zA-Z0-9_]\{1,\}\.cmdline.h\)@ $cmdline_dir/\1@g"