[skip-ci] Fix config.h creation after having broken it

CMakeLists.txt

@@ -81,6 +81,8 @@ FIND_PACKAGE(gnss_utils REQUIRED)
 
 # ============ CONFIG.H ============ 
 set(_WOLF_ROOT_DIR ${CMAKE_SOURCE_DIR})
+# variable used to compile the config.h.in file
+string(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UPPER)
 
 # Define the directory where will be the configured config.h
 SET(WOLF_CONFIG_DIR ${PROJECT_BINARY_DIR}/conf/${PROJECT_NAME}/internal)

internal/config.h.in

@@ -24,13 +24,13 @@
 //            which will be added to the include path for compilation,
 //            and installed with the public wolf headers.
 
-#ifndef WOLF_INTERNAL_${UPPER_NAME}_CONFIG_H_
-#define WOLF_INTERNAL_${UPPER_NAME}_CONFIG_H_
+#ifndef WOLF_INTERNAL_${PROJECT_NAME_UPPER}_CONFIG_H_
+#define WOLF_INTERNAL_${PROJECT_NAME_UPPER}_CONFIG_H_
 
 #cmakedefine _WOLF_DEBUG
 
 #cmakedefine _WOLF_TRACE
 
-#define _WOLF_${UPPER_NAME}_ROOT_DIR "${_WOLF_ROOT_DIR}"
+#define _WOLF_${PROJECT_NAME_UPPER}_ROOT_DIR "${_WOLF_ROOT_DIR}"
 
 #endif /* WOLF_INTERNAL_CONFIG_H_ */