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22
23
24## ADD_COMPILE_FLAGS(<source files> COMPILE_FLAGS <flags>)
25## Use this for adding compiler flags to source files.
26FUNCTION(ADD_COMPILE_FLAGS)
27  SET(FILES "")
28  SET(FLAGS "")
29  SET(COMPILE_FLAGS_SEEN)
30  FOREACH(ARG ${ARGV})
31    IF(ARG STREQUAL "COMPILE_FLAGS")
32      SET(COMPILE_FLAGS_SEEN 1)
33    ELSEIF(COMPILE_FLAGS_SEEN)
34      LIST(APPEND FLAGS ${ARG})
35      IF(${ARG} MATCHES "^-D")
36        MESSAGE(WARNING
37          "${ARG} should be in COMPILE_DEFINITIONS not COMPILE_FLAGS")
38      ENDIF()
39    ELSE()
40      LIST(APPEND FILES ${ARG})
41    ENDIF()
42  ENDFOREACH()
43  FOREACH(FILE ${FILES})
44    FOREACH(FLAG ${FLAGS})
45      GET_SOURCE_FILE_PROPERTY(PROP ${FILE} COMPILE_FLAGS)
46      IF(NOT PROP)
47        SET(PROP ${FLAG})
48      ELSE()
49        STRING_APPEND(PROP " ${FLAG}")
50      ENDIF()
51      SET_SOURCE_FILES_PROPERTIES(
52        ${FILE} PROPERTIES COMPILE_FLAGS "${PROP}"
53        )
54    ENDFOREACH()
55  ENDFOREACH()
56ENDFUNCTION()
57
58
59## ADD_COMPILE_DEFINITIONS(<source files> COMPILE_DEFINITIONS <flags>)
60## Use this for adding preprocessor flags VAR or VAR=value to source files.
61## cmake will prefix with '-D' and sort all COMPILE_DEFINITIONS alphabetically.
62FUNCTION(ADD_COMPILE_DEFINITIONS)
63  SET(FILES "")
64  SET(FLAGS "")
65  SET(COMPILE_DEFINITIONS_SEEN)
66  FOREACH(ARG ${ARGV})
67    IF(ARG STREQUAL "COMPILE_DEFINITIONS")
68      SET(COMPILE_DEFINITIONS_SEEN 1)
69    ELSEIF(COMPILE_DEFINITIONS_SEEN)
70      LIST(APPEND FLAGS ${ARG})
71    ELSE()
72      LIST(APPEND FILES ${ARG})
73    ENDIF()
74  ENDFOREACH()
75  FOREACH(FILE ${FILES})
76    GET_SOURCE_FILE_PROPERTY(DEFS ${FILE} COMPILE_DEFINITIONS)
77    IF(NOT DEFS)
78      SET(DEFS ${FLAGS})
79    ELSE()
80      LIST(APPEND DEFS ${FLAGS})
81    ENDIF()
82    SET_SOURCE_FILES_PROPERTIES(
83      ${FILE} PROPERTIES COMPILE_DEFINITIONS "${DEFS}")
84  ENDFOREACH()
85ENDFUNCTION()
86