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Diffstat (limited to 'carl9170fw/extra/FindGPERF.cmake')
| -rw-r--r-- | carl9170fw/extra/FindGPERF.cmake | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/carl9170fw/extra/FindGPERF.cmake b/carl9170fw/extra/FindGPERF.cmake new file mode 100644 index 0000000..baf8749 --- /dev/null +++ b/carl9170fw/extra/FindGPERF.cmake @@ -0,0 +1,160 @@ +# - Find gperf executable and provides a macro to generate custom build rules +# +# The module defines the following variables: +# GPERF_FOUND - true is gperf executable is found +# GPERF_EXECUTABLE - the path to the gperf executable +# GPERF_VERSION - the version of gperf +# GPERF_LIBRARIES - The gperf libraries +# +# The minimum required version of gperf can be specified using the +# standard syntax, e.g. FIND_PACKAGE(GPERF 2.5.13) +# +# +# If gperf is found on the system, the module provides the macro: +# GPERF_TARGET(Name GperfInput GperfOutput [COMPILE_FLAGS <string>]) +# which creates a custom command to generate the <GperfOutput> file from +# the <GperfInput> file. If COMPILE_FLAGS option is specified, the next +# parameter is added to the gperf command line. Name is an alias used to +# get details of this custom command. Indeed the macro defines the +# following variables: +# GPERF_${Name}_DEFINED - true is the macro ran successfully +# GPERF_${Name}_OUTPUTS - the source file generated by the custom rule, an +# alias for GperfOutput +# GPERF_${Name}_INPUT - the gperf source file, an alias for ${GperfInput} +# +# Gperf scanners oftenly use tokens defined by Bison: the code generated +# by Gperf depends of the header generated by Bison. This module also +# defines a macro: +# ADD_GPERF_BISON_DEPENDENCY(GperfTarget BisonTarget) +# which adds the required dependency between a scanner and a parser +# where <GperfTarget> and <BisonTarget> are the first parameters of +# respectively GPERF_TARGET and BISON_TARGET macros. +# +# ==================================================================== +# Example: +# +# find_package(GPERF) +# +# GPERF_TARGET(MyHash hash.gperf ${CMAKE_CURRENT_BINARY_DIR}/hash.c) +# +# ==================================================================== + +#============================================================================= +# 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. + +cmake_minimum_required(VERSION 2.8.4) + +FIND_PROGRAM(GPERF_EXECUTABLE gperf DOC "path to the gperf executable") +MARK_AS_ADVANCED(GPERF_EXECUTABLE) + +FIND_LIBRARY(FL_LIBRARY NAMES fl + DOC "path to the fl library") +MARK_AS_ADVANCED(FL_LIBRARY) +SET(GPERF_LIBRARIES ${FL_LIBRARY}) + +IF(GPERF_EXECUTABLE) + + EXECUTE_PROCESS(COMMAND ${GPERF_EXECUTABLE} --version + OUTPUT_VARIABLE GPERF_version_output + ERROR_VARIABLE GPERF_version_error + RESULT_VARIABLE GPERF_version_result + OUTPUT_STRIP_TRAILING_WHITESPACE) + + SET(ENV{LC_ALL} ${_Bison_SAVED_LC_ALL}) + + IF(NOT ${GPERF_version_result} EQUAL 0) + MESSAGE(SEND_ERROR "Command \"${GPERF_EXECUTABLE} --version\" failed with output:\n${GPERF_version_error}") + ELSE() + STRING(REGEX REPLACE "^GNU gperf ([^\n]+)\n.*" "\\1" + GPERF_VERSION "${GPERF_version_output}") + ENDIF() + + #============================================================ + # GPERF_TARGET (public macro) + #============================================================ + # + MACRO(GPERF_TARGET Name Input Output) + SET(GPERF_TARGET_usage "GPERF_TARGET(<Name> <Input> <Output> [COMPILE_FLAGS <string>]") + IF(${ARGC} GREATER 3) + IF(${ARGC} EQUAL 5) + IF("${ARGV3}" STREQUAL "COMPILE_FLAGS") + SET(GPERF_EXECUTABLE_opts "${ARGV4}") + SEPARATE_ARGUMENTS(GPERF_EXECUTABLE_opts) + ELSE() + MESSAGE(SEND_ERROR ${GPERF_TARGET_usage}) + ENDIF() + ELSE() + MESSAGE(SEND_ERROR ${GPERF_TARGET_usage}) + ENDIF() + ENDIF() + + ADD_CUSTOM_COMMAND(OUTPUT ${Output} + COMMAND ${GPERF_EXECUTABLE} + ARGS ${GPERF_EXECUTABLE_opts} < ${Input} > ${Output} + DEPENDS ${Input} + COMMENT "[GPERF][${Name}] Building hash with gperf ${GPERF_VERSION}" + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + + SET(GPERF_${Name}_DEFINED TRUE) + SET(GPERF_${Name}_OUTPUTS ${Output}) + SET(GPERF_${Name}_INPUT ${Input}) + SET(GPERF_${Name}_COMPILE_FLAGS ${GPERF_EXECUTABLE_opts}) + ENDMACRO(GPERF_TARGET) + #============================================================ + + + #============================================================ + # ADD_GPERF_BISON_DEPENDENCY (public macro) + #============================================================ + # + MACRO(ADD_GPERF_BISON_DEPENDENCY GperfTarget BisonTarget) + + IF(NOT GPERF_${GperfTarget}_OUTPUTS) + MESSAGE(SEND_ERROR "Gperf target `${GperfTarget}' does not exists.") + ENDIF() + + IF(NOT BISON_${BisonTarget}_OUTPUT_HEADER) + MESSAGE(SEND_ERROR "Bison target `${BisonTarget}' does not exists.") + ENDIF() + + SET_SOURCE_FILES_PROPERTIES(${GPERF_${GperfTarget}_OUTPUTS} + PROPERTIES OBJECT_DEPENDS ${BISON_${BisonTarget}_OUTPUT_HEADER}) + ENDMACRO(ADD_GPERF_BISON_DEPENDENCY) + #============================================================ + +ENDIF(GPERF_EXECUTABLE) + +INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(GPERF REQUIRED_VARS GPERF_EXECUTABLE + VERSION_VAR GPERF_VERSION) + +# FindGPERF.cmake ends here |