3 files changed, 14 insertions, 1 deletions
diff --git a/cppawk b/cppawk
index d89059b..86e4d27 100755
--- a/cppawk
+++ b/cppawk
@@ -128,7 +128,8 @@ trap 'rm -f $tmp_file' EXIT INT TERM
 
 if [ -n "$awk_file" ] ; then
   tmp_file=$(mktemp)
-  $delhashbang "$awk_file" | $prepro $(syntax "$prepro_opts") - > $tmp_file
+  $delhashbang "$awk_file" | \
+    $prepro $incopt$(dirname "$awk_file") $(syntax "$prepro_opts") - > $tmp_file
   [ $prepro_only ] \
     && cat $tmp_file \
     || $awk $(syntax "$awk_opts") -f $tmp_file "$@"
diff --git a/testcases b/testcases
index 71b9169..8011eca 100644
--- a/testcases
+++ b/testcases
@@ -121,3 +121,8 @@ BEGIN { }
 ./cppawk -v foo="'\"" 'BEGIN { print foo }'
 :
 '"
+--
+23:
+./cppawk -f testdir/program.cwk
+:
+73
diff --git a/testdir/program.cwk b/testdir/program.cwk
new file mode 100644
index 0000000..58ea47c
--- /dev/null
+++ b/testdir/program.cwk
@@ -0,0 +1,7 @@
+/*
+ * cppawk program
+ */
+
+#include "header.cwh"
+
+BEGIN { print max(42, 73) }