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cmake_minimum_required(VERSION 2.8.5 FATAL_ERROR)
project(GenerateExportHeader)
# Prevent timeout on Watcom by not running the tests.
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES Watcom)
file(WRITE
"${CMAKE_CURRENT_BINARY_DIR}/main.cxx"
"int main() { return 0; }
"
)
add_executable(
GenerateExportHeader
"${CMAKE_CURRENT_BINARY_DIR}/main.cxx"
)
return()
endif()
include(CheckCXXCompilerFlag)
set( CMAKE_INCLUDE_CURRENT_DIR ON )
macro(TEST_FAIL value msg)
if (${value})
message (SEND_ERROR "Test fail:" ${msg} ${Out} )
endif ()
endmacro()
macro(TEST_PASS value msg)
if (NOT ${value})
message (SEND_ERROR "Test fail:" ${msg} ${Out} )
endif ()
endmacro()
check_cxx_compiler_flag(-Werror HAS_WERROR_FLAG)
if(HAS_WERROR_FLAG)
set(ERROR_FLAG "-Werror")
else()
# MSVC
# And intel on windows?
# http://software.intel.com/en-us/articles/how-to-handle-warnings-message-in-compiler/?wapkw=%28compiler+warning+message%29
check_cxx_compiler_flag("/WX" HAS_WX_FLAG)
if(HAS_WX_FLAG)
set(ERROR_FLAG "/WX")
else()
# Sun CC
# http://www.acsu.buffalo.edu/~charngda/sunstudio.html
check_cxx_compiler_flag("-errwarn=%all" HAS_ERRWARN_ALL)
if (HAS_ERRWARN_ALL)
set(ERROR_FLAG "-errwarn=%all")
else()
endif()
endif()
endif()
# We seem to get race conditions is writing this stuff to the same file at least on MinGW
# So to write to separate source and build directories, we use a count to differentiate.
set (COUNT 0)
macro(_do_build Include Library LibrarySource Source)
math(EXPR COUNT "${COUNT} + 1" )
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test${COUNT}/src.cpp" "#include \"${Include}\"\n"
"int main() { ${Source}; }\n"
)
file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/../${LibrarySource}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/test${COUNT}")
if ("${Library}" STREQUAL "static_variant")
set(CONDITIONAL_STATIC_DEFINE "add_definitions(-DLIBSHARED_AND_STATIC_STATIC_DEFINE)\n")
endif()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test${COUNT}/CMakeLists.txt"
"cmake_minimum_required(VERSION 2.8)\n"
"project(compiletest)\n"
"set(CMAKE_INCLUDE_CURRENT_DIR ON)\n"
"set(CMAKE_RUNTIME_OUTPUT_DIRECTORY \"\${CMAKE_CURRENT_BINARY_DIR}\")\n"
"include(GenerateExportHeader)\n"
"add_compiler_export_flags()\n"
"if(NOT \"${ERROR_FLAG}\" STREQUAL \"\")\n"
" add_definitions(${ERROR_FLAG})\n"
"endif()\n"
"if(MSVC)\n"
" add_definitions(-DCOMPILER_IS_MSVC)\n"
"endif()\n"
"add_subdirectory(\"${LibrarySource}\")\n"
"include_directories(\"${LibrarySource}\" \"\${CMAKE_CURRENT_BINARY_DIR}/${LibrarySource}\")\n"
"${CONDITIONAL_STATIC_DEFINE}"
"add_executable(compiletest src.cpp)\n"
"target_link_libraries(compiletest ${Library})\n"
)
try_compile(Result ${CMAKE_CURRENT_BINARY_DIR}/fail${COUNT}
${CMAKE_CURRENT_BINARY_DIR}/test${COUNT}
compiletest
OUTPUT_VARIABLE Out
)
endmacro()
macro(build_fail Include Library LibrarySource Source Message)
_do_build(${Include} ${Library} ${LibrarySource} "${Source}")
test_fail(Result ${Message})
endmacro()
macro(build_pass Include Library LibrarySource Source Message)
_do_build(${Include} ${Library} ${LibrarySource} "${Source}")
test_pass(Result ${Message})
endmacro()
include(GenerateExportHeader)
add_compiler_export_flags()
if (MSVC)
add_definitions(-DCOMPILER_IS_MSVC)
endif()
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
message("#### COMPILER_HAS_DEPRECATED: " ${COMPILER_HAS_DEPRECATED})
message("#### COMPILER_HAS_HIDDEN_VISIBILITY: " ${COMPILER_HAS_HIDDEN_VISIBILITY})
message("#### WIN32: " ${WIN32})
message("#### HAS_WERROR_FLAG: " ${HAS_WERROR_FLAG})
set(link_libraries)
macro(macro_add_test_library name)
add_subdirectory(${name})
include_directories(${name}
${${name}_BINARY_DIR} # For the export header.
)
list(APPEND link_libraries ${name})
add_subdirectory(${name}test)
endmacro()
macro_add_test_library(libshared)
macro_add_test_library(libstatic)
add_subdirectory(lib_shared_and_static)
add_subdirectory(lib_shared_and_statictest)
add_subdirectory(override_symbol)
if (CMAKE_COMPILER_IS_GNUCXX OR (${CMAKE_CXX_COMPILER_ID} MATCHES Clang))
# We deliberately call deprecated methods, and test for that elsewhere.
# No need to clutter the test output with warnings.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")
endif()
if(MSVC AND COMPILER_HAS_DEPRECATED)
add_definitions(/wd4996)
endif()
add_executable(GenerateExportHeader exportheader_test.cpp)
target_link_libraries(GenerateExportHeader ${link_libraries})
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