test: added test for bug #777

Author: gnikit

ci/run_tests.sh

@@ -138,6 +138,10 @@ pushd preprocess_cpp
 "$fpm" build
 popd
 
+pushd preprocess_cpp_c
+"$fpm" run
+popd
+
 pushd preprocess_hello
 "$fpm" build
 popd

example_packages/preprocess_cpp_c/app/main.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+#include "val.h"
+
+int main() { printf("%d\n", variable); }

example_packages/preprocess_cpp_c/fpm.toml

@@ -0,0 +1,14 @@
+name = "preprocess_cpp_c"
+
+[library]
+include-dir = ["src"]
+
+[[executable]]
+name = "main"
+main = "main.c"
+
+[preprocess]
+[preprocess.cpp]
+macros = ["VAL"]
+suffixes = ["F90", "f90", "h", "c"]
+directories = ["src", "app"]

example_packages/preprocess_cpp_c/src/stub.c

@@ -0,0 +1 @@
+#include "val.h"

example_packages/preprocess_cpp_c/src/val.h

@@ -0,0 +1,7 @@
+#ifndef _VAL_H_
+#define _VAL_H_
+
+#ifdef VAL
+const int variable = 1;
+#endif
+#endif