merge back cmake modifs from branch 0.3

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6882 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2015-03-23 18:00:52 +00:00
parent f825c66731
commit 32c179e97c
20 changed files with 2912 additions and 1 deletions
@@ -0,0 +1,46 @@
+# - Look for GNU flex, the lexer generator.
+# Defines the following:
+#  FLEX_EXECUTABLE - path to the flex executable
+#  FLEX_FILE - parse a file with flex
+#  FLEX_PREFIX_OUTPUTS - Set to true to make FLEX_FILE produce outputs of
+#                        lex.${filename}.c, not lex.yy.c . Passes -P to flex. 
+
+IF(NOT DEFINED FLEX_PREFIX_OUTPUTS)
+  SET(FLEX_PREFIX_OUTPUTS FALSE)
+ENDIF(NOT DEFINED FLEX_PREFIX_OUTPUTS) 
+
+IF(NOT FLEX_EXECUTABLE)
+  MESSAGE(STATUS "Looking for flex")
+  FIND_PROGRAM(FLEX_EXECUTABLE flex)
+  IF(FLEX_EXECUTABLE)
+    MESSAGE(STATUS "Looking for flex -- ${FLEX_EXECUTABLE}")
+  ENDIF(FLEX_EXECUTABLE)
+ENDIF(NOT FLEX_EXECUTABLE) 
+
+IF(FLEX_EXECUTABLE)
+  MACRO(FLEX_FILE FILENAME)
+    GET_FILENAME_COMPONENT(PATH "${FILENAME}" PATH)
+    IF("${PATH}" STREQUAL "")
+      SET(PATH_OPT "")
+    ELSE("${PATH}" STREQUAL "")
+      SET(PATH_OPT "/${PATH}")
+    ENDIF("${PATH}" STREQUAL "")
+    IF(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}${PATH_OPT}")
+      FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}${PATH_OPT}")
+    ENDIF(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}${PATH_OPT}")
+    IF(FLEX_PREFIX_OUTPUTS)
+      GET_FILENAME_COMPONENT(PREFIX "${FILENAME}" NAME_WE)
+    ELSE(FLEX_PREFIX_OUTPUTS)
+      SET(PREFIX "yy")
+    ENDIF(FLEX_PREFIX_OUTPUTS)
+    SET(OUTFILE "${CMAKE_CURRENT_BINARY_DIR}${PATH_OPT}/lex.${PREFIX}.c")
+    ADD_CUSTOM_COMMAND(
+      OUTPUT "${OUTFILE}"
+      COMMAND "${FLEX_EXECUTABLE}"
+      ARGS "--prefix=${PREFIX}"
+      "--outfile=${OUTFILE}"
+      "${CMAKE_CURRENT_SOURCE_DIR}/${FILENAME}"
+      DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${FILENAME}")
+    SET_SOURCE_FILES_PROPERTIES("${OUTFILE}" PROPERTIES GENERATED TRUE)
+  ENDMACRO(FLEX_FILE)
+ENDIF(FLEX_EXECUTABLE)