1 files changed, 3 insertions, 2 deletions
diff --git a/doc/preprocess.sh b/doc/preprocess.sh
index a663cd1..c77bb6a 100755
--- a/doc/preprocess.sh
+++ b/doc/preprocess.sh
@@ -1,3 +1,4 @@
-#! /bin/sh
+#! /usr/bin/env bash
 # Run GCC preprocessor and delete empty lines
-cpp -DURI_DOXYGEN -DURI_NO_UNICODE -C -I ../include $1 | sed -e '/^$/d' -e 's/COMMENT_HACK//g'
+: ${CPP:=cpp}
+"${CPP}" -DURI_DOXYGEN -DURI_NO_UNICODE -C -I ../include "$1" | sed -e '/^$/d' -e 's/COMMENT_HACK//g'