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authorMatthias Schiffer <mschiffer@universe-factory.net>2012-03-24 20:55:27 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2012-03-24 20:55:27 +0100
commit4ffc28ecd6d914f9c1e5aaf5d5921ee4827bb289 (patch)
treeddd64c27220b75f45a6efdc162bbbe040a9ca001 /FindFLEX.cmake
parent78fe2cda0572433e40889bcd7d64dd22707bfdd0 (diff)
downloadfastd-4ffc28ecd6d914f9c1e5aaf5d5921ee4827bb289.tar
fastd-4ffc28ecd6d914f9c1e5aaf5d5921ee4827bb289.zip
Partial implementation of a config files parser
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+#=============================================================================
+# Copyright 2009 Kitware, Inc.
+# Copyright 2006 Tristan Carel
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# * Neither the names of Kitware, Inc., the Insight Software Consortium,
+# nor the names of their contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# ------------------------------------------------------------------------------
+#
+# The above copyright and license notice applies to distributions of
+# CMake in source and binary form. Some source files contain additional
+# notices of original copyright by their contributors; see each source
+# for details. Third-party software packages supplied with CMake under
+# compatible licenses provide their own copyright notices documented in
+# corresponding subdirectories.
+#=============================================================================
+
+FIND_PROGRAM(FLEX_EXECUTABLE flex DOC "path to the flex executable")
+MARK_AS_ADVANCED(FLEX_EXECUTABLE)
+
+FIND_LIBRARY(FL_LIBRARY NAMES fl
+ DOC "Path to the fl library")
+
+FIND_PATH(FLEX_INCLUDE_DIR FlexLexer.h
+ DOC "Path to the flex headers")
+
+MARK_AS_ADVANCED(FL_LIBRARY FLEX_INCLUDE_DIR)
+
+SET(FLEX_INCLUDE_DIRS ${FLEX_INCLUDE_DIR})
+SET(FLEX_LIBRARIES ${FL_LIBRARY})
+
+IF(FLEX_EXECUTABLE)
+
+ EXECUTE_PROCESS(COMMAND ${FLEX_EXECUTABLE} --version
+ OUTPUT_VARIABLE FLEX_version_output
+ ERROR_VARIABLE FLEX_version_error
+ RESULT_VARIABLE FLEX_version_result
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+ IF(NOT ${FLEX_version_result} EQUAL 0)
+ IF(FLEX_FIND_REQUIRED)
+ MESSAGE(SEND_ERROR "Command \"${FLEX_EXECUTABLE} --version\" failed with output:\n${FLEX_version_output}\n${FLEX_version_error}")
+ ELSE()
+ MESSAGE("Command \"${FLEX_EXECUTABLE} --version\" failed with output:\n${FLEX_version_output}\n${FLEX_version_error}\nFLEX_VERSION will not be available")
+ ENDIF()
+ ELSE()
+ STRING(REGEX REPLACE "^flex (.*)$" "\\1"
+ FLEX_VERSION "${FLEX_version_output}")
+ ENDIF()
+
+ #============================================================
+ # FLEX_TARGET (public macro)
+ #============================================================
+ #
+ MACRO(FLEX_TARGET Name Input Output)
+ SET(FLEX_TARGET_usage "FLEX_TARGET(<Name> <Input> <Output> [COMPILE_FLAGS <string>]")
+ IF(${ARGC} GREATER 3)
+ IF(${ARGC} EQUAL 5)
+ IF("${ARGV3}" STREQUAL "COMPILE_FLAGS")
+ SET(FLEX_EXECUTABLE_opts "${ARGV4}")
+ SEPARATE_ARGUMENTS(FLEX_EXECUTABLE_opts)
+ ELSE()
+ MESSAGE(SEND_ERROR ${FLEX_TARGET_usage})
+ ENDIF()
+ ELSE()
+ MESSAGE(SEND_ERROR ${FLEX_TARGET_usage})
+ ENDIF()
+ ENDIF()
+
+ STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\2" _fileext "${Output}")
+ STRING(REPLACE "c" "h" _fileext ${_fileext})
+ STRING(REGEX REPLACE "^(.*)(\\.[^.]*)$" "\\1${_fileext}"
+ OutputHeader "${Output}")
+
+ ADD_CUSTOM_COMMAND(OUTPUT ${Output} ${OutputHeader}
+ COMMAND ${FLEX_EXECUTABLE}
+ ARGS ${FLEX_EXECUTABLE_opts} -o${Output} --header-file=${OutputHeader} ${Input}
+ DEPENDS ${Input}
+ COMMENT "[FLEX][${Name}] Building scanner with flex ${FLEX_VERSION}"
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+
+ SET(FLEX_${Name}_DEFINED TRUE)
+ SET(FLEX_${Name}_OUTPUTS ${Output} ${OutputHeader})
+ SET(FLEX_${Name}_OUTPUT_HEADER ${OutputHeader})
+ SET(FLEX_${Name}_INPUT ${Input})
+ SET(FLEX_${Name}_COMPILE_FLAGS ${FLEX_EXECUTABLE_opts})
+ ENDMACRO(FLEX_TARGET)
+ #============================================================
+
+
+ENDIF(FLEX_EXECUTABLE)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLEX REQUIRED_VARS FLEX_EXECUTABLE
+ VERSION_VAR FLEX_VERSION)
+
+# FindFLEX.cmake ends here