1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
# flex a .ll file
# search flex
MACRO(FIND_FLEX)
IF(NOT FLEX_EXECUTABLE)
IF (MSVC)
FIND_PROGRAM(FLEX_EXECUTABLE
NAMES flex.exe
PATHS $ENV{LIB_DIR}/bin $ENV{PROGRAMFILES}/GnuWin32/bin
)
ELSE(MSVC)
FIND_PROGRAM(FLEX_EXECUTABLE flex)
ENDIF (MSVC)
IF (NOT FLEX_EXECUTABLE)
MESSAGE(FATAL_ERROR "flex not found - aborting")
ENDIF (NOT FLEX_EXECUTABLE)
ENDIF(NOT FLEX_EXECUTABLE)
ENDMACRO(FIND_FLEX)
MACRO(ADD_FLEX_FILES _sources )
FIND_FLEX()
FOREACH (_current_FILE ${ARGN})
GET_FILENAME_COMPONENT(_in ${_current_FILE} ABSOLUTE)
GET_FILENAME_COMPONENT(_basename ${_current_FILE} NAME_WE)
SET(_out ${CMAKE_CURRENT_BINARY_DIR}/flex_${_basename}.cpp)
# -d option for flex means that it will produce output to stderr while analyzing
ADD_CUSTOM_COMMAND(
OUTPUT ${_out}
COMMAND ${FLEX_EXECUTABLE}
ARGS
-o${_out} -d
${_in}
DEPENDS ${_in}
)
SET(${_sources} ${${_sources}} ${_out} )
ENDFOREACH (_current_FILE)
ENDMACRO(ADD_FLEX_FILES)
|