cmake: Added test for configure_file

test cases/cmake/2 advanced/main.cpp

@@ -1,5 +1,10 @@
 #include <iostream>
 #include <cmMod.hpp>
+#include "config.h"
+
+#if CONFIG_OPT != 42
+#error "Invalid value of CONFIG_OPT"
+#endif
 
 using namespace std;
 

test cases/cmake/2 advanced/subprojects/cmMod/CMakeLists.txt

@@ -7,6 +7,9 @@ find_package(ZLIB REQUIRED)
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/lib)
 
+set(CONFIG_OPT 42)
+configure_file("config.h.in" "${CMAKE_CURRENT_BINARY_DIR}/config.h" @ONLY)
+
 add_library(cmModLib SHARED lib/cmMod.cpp)
 add_executable(testEXE main.cpp)
 

test cases/cmake/2 advanced/subprojects/cmMod/config.h.in

@@ -0,0 +1,3 @@
+#pragma once
+
+#define CONFIG_OPT @CONFIG_OPT@

test cases/cmake/2 advanced/subprojects/cmMod/lib/cmMod.cpp

@@ -1,5 +1,10 @@
 #include "cmMod.hpp"
 #include <zlib.h>
+#include "config.h"
+
+#if CONFIG_OPT != 42
+#error "Invalid value of CONFIG_OPT"
+#endif
 
 using namespace std;