compile_flags.cmake

# Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA


## ADD_COMPILE_FLAGS(<source files> COMPILE_FLAGS <flags>)
MACRO(ADD_COMPILE_FLAGS)
  SET(FILES "")
  SET(FLAGS "")
  SET(COMPILE_FLAGS_SEEN)
  FOREACH(ARG ${ARGV})
    IF(ARG STREQUAL "COMPILE_FLAGS")
      SET(COMPILE_FLAGS_SEEN 1)
    ELSEIF(COMPILE_FLAGS_SEEN)
      LIST(APPEND FLAGS ${ARG})
    ELSE()
      LIST(APPEND FILES ${ARG})
    ENDIF()
  ENDFOREACH()
  FOREACH(FILE ${FILES})
    FOREACH(FLAG ${FLAGS})
      GET_SOURCE_FILE_PROPERTY(PROP ${FILE} COMPILE_FLAGS)
      IF(NOT PROP)
        SET(PROP ${FLAG})
      ELSE()
        SET(PROP "${PROP} ${FLAG}")
      ENDIF()
      SET_SOURCE_FILES_PROPERTIES(
        ${FILE} PROPERTIES COMPILE_FLAGS "${PROP}"
        )
    ENDFOREACH()
  ENDFOREACH()
ENDMACRO()