diff options
Diffstat (limited to 'share/cmake-3.5/Modules/CheckCSourceRuns.cmake')
| -rwxr-xr-x | share/cmake-3.5/Modules/CheckCSourceRuns.cmake | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/share/cmake-3.5/Modules/CheckCSourceRuns.cmake b/share/cmake-3.5/Modules/CheckCSourceRuns.cmake new file mode 100755 index 0000000..5afeab6 --- /dev/null +++ b/share/cmake-3.5/Modules/CheckCSourceRuns.cmake @@ -0,0 +1,107 @@ +#.rst: +# CheckCSourceRuns +# ---------------- +# +# Check if the given C source code compiles and runs. +# +# CHECK_C_SOURCE_RUNS(<code> <var>) +# +# :: +# +# <code> - source code to try to compile +# <var> - variable to store the result +# (1 for success, empty for failure) +# Will be created as an internal cache variable. +# +# The following variables may be set before calling this macro to modify +# the way the check is run: +# +# :: +# +# CMAKE_REQUIRED_FLAGS = string of compile command line flags +# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) +# CMAKE_REQUIRED_INCLUDES = list of include directories +# CMAKE_REQUIRED_LIBRARIES = list of libraries to link +# CMAKE_REQUIRED_QUIET = execute quietly without messages + +#============================================================================= +# Copyright 2006-2009 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + + + +macro(CHECK_C_SOURCE_RUNS SOURCE VAR) + if(NOT DEFINED "${VAR}") + set(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + if(CMAKE_REQUIRED_LIBRARIES) + set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES + LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) + else() + set(CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES) + endif() + if(CMAKE_REQUIRED_INCLUDES) + set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + else() + set(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES) + endif() + file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c" + "${SOURCE}\n") + + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR}") + endif() + try_run(${VAR}_EXITCODE ${VAR}_COMPILED + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES} + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} + -DCMAKE_SKIP_RPATH:BOOL=${CMAKE_SKIP_RPATH} + "${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}" + COMPILE_OUTPUT_VARIABLE OUTPUT) + # if it did not compile make the return value fail code of 1 + if(NOT ${VAR}_COMPILED) + set(${VAR}_EXITCODE 1) + endif() + # if the return value was 0 then it worked + if("${${VAR}_EXITCODE}" EQUAL 0) + set(${VAR} 1 CACHE INTERNAL "Test ${VAR}") + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR} - Success") + endif() + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Performing C SOURCE FILE Test ${VAR} succeeded with the following output:\n" + "${OUTPUT}\n" + "Return value: ${${VAR}}\n" + "Source file was:\n${SOURCE}\n") + else() + if(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN") + set(${VAR} "${${VAR}_EXITCODE}") + else() + set(${VAR} "" CACHE INTERNAL "Test ${VAR}") + endif() + + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR} - Failed") + endif() + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Performing C SOURCE FILE Test ${VAR} failed with the following output:\n" + "${OUTPUT}\n" + "Return value: ${${VAR}_EXITCODE}\n" + "Source file was:\n${SOURCE}\n") + + endif() + endif() +endmacro() + |