change location of the generated executable to be in relative directory

examples/meta/cpp/CMakeLists.txt

@@ -4,19 +4,22 @@ FOREACH(META_EXAMPLE ${META_EXAMPLES})
     # assume a structure <target_language>/<category>/listing.sg
     STRING(REGEX REPLACE ".*/(.*).sg" "\\1" EXAMPLE_NAME ${META_EXAMPLE})
     STRING(REGEX REPLACE ".*/(.*/.*).sg" "\\1" EXAMPLE_NAME_WITH_DIR ${META_EXAMPLE})
-    STRING(REGEX REPLACE "/" "-" EXAMPLE_NAME_WITH_DIR ${EXAMPLE_NAME_WITH_DIR})
+    STRING(REGEX REPLACE "/" "_" EXAMPLE_NAME_WITH_DIR ${EXAMPLE_NAME_WITH_DIR})
     STRING(REGEX REPLACE ".*/(.*)/.*.sg" "\\1" EXAMPLE_REL_DIR ${META_EXAMPLE})
 
     # meta examples have to be generated before executable and test is added
     SET(GENERATED_CPP ${EXAMPLE_REL_DIR}/${EXAMPLE_NAME}.cpp)
     SET(GENERATED_CPP_BINARY ${EXAMPLE_NAME_WITH_DIR})
 
+    # generate binary in relative directory
+    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${EXAMPLE_REL_DIR})
+
     ADD_EXECUTABLE(${GENERATED_CPP_BINARY} ${GENERATED_CPP})
     ADD_DEPENDENCIES(${GENERATED_CPP_BINARY} meta_examples shogun)
     TARGET_LINK_LIBRARIES(${GENERATED_CPP_BINARY} shogun)
     SET_SOURCE_FILES_PROPERTIES(${GENERATED_CPP} PROPERTIES GENERATED 1)
 
-    LIST(APPEND CPP_EXAMPLES ${GENERATED_CPP_BINARY})
+    LIST(APPEND GENERATED_CPP_EXAMPLES ${GENERATED_CPP_BINARY})
 
     # run test in source dir, to have access to "data" folder
     ADD_TEST(NAME generated_cpp-${EXAMPLE_NAME_WITH_DIR}
@@ -27,7 +30,7 @@ FOREACH(META_EXAMPLE ${META_EXAMPLES})
 ENDFOREACH()
 
 add_custom_target(build_cpp_meta_examples ALL
-    DEPENDS ${CPP_EXAMPLES}
+    DEPENDS ${GENERATED_CPP_EXAMPLES}
     COMMENT "Compiled generated cpp examples")
 
 INSTALL(PROGRAMS ${INSTALL_EXAMPLES}