9db3116226
Ancient versions of CMake required else(), endif(), and similar block
termination commands to have arguments matching the command starting the
block. This is no longer the preferred style.
Run the following shell code:
for c in else endif endforeach endfunction endmacro endwhile; do
echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/'
done >convert.sed &&
git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' |
egrep -z -v '^(Utilities/cm|Source/kwsys/)' |
egrep -z -v 'Tests/CMakeTests/While-Endwhile-' |
xargs -0 sed -i -f convert.sed &&
rm convert.sed
63 lines
2.1 KiB
CMake
63 lines
2.1 KiB
CMake
# This test will verify if CheckCXXSymbolExists only report symbols available
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# for linking that really are. You can find some documentation on this in
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# bug 11333 where we found out that gcc would optimize out the actual
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# reference to the symbol, so symbols that are in fact _not_ available in the
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# given libraries (but seen in header) were reported as present.
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#
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# If you change this test do not forget to change the CheckSymbolExists
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# test, too.
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project(CheckCXXSymbolExists CXX)
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cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
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set(CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/../CheckSymbolExists")
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include(CheckCXXSymbolExists)
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foreach(_config_type Release RelWithDebInfo MinSizeRel Debug)
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set(CMAKE_TRY_COMPILE_CONFIGURATION ${_config_type})
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unset(CSE_RESULT_${_config_type} CACHE)
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message(STATUS "Testing configuration ${_config_type}")
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check_cxx_symbol_exists(non_existent_function_for_symbol_test "cm_cse.h" CSE_RESULT_${_config_type})
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if (CSE_RESULT_${_config_type})
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message(SEND_ERROR "CheckCXXSymbolExists reported a nonexistent symbol as existing in configuration ${_config_type}")
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endif ()
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endforeach()
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set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
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unset(CSE_RESULT_ERRNO_CERRNO CACHE)
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message(STATUS "Checking <cerrno>")
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check_cxx_symbol_exists(errno "cerrno" CSE_RESULT_ERRNO_CERRNO)
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if (NOT CSE_RESULT_ERRNO_CERRNO)
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unset(CSE_RESULT_ERRNO_ERRNOH CACHE)
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message(STATUS "Checking <errno.h>")
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check_cxx_symbol_exists(errno "errno.h" CSE_RESULT_ERRNO_ERRNOH)
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if (NOT CSE_RESULT_ERRNO_ERRNOH)
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message(SEND_ERROR "CheckCXXSymbolExists did not find errno in <cerrno> and <errno.h>")
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else ()
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message(STATUS "errno found in <errno.h>")
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endif ()
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else ()
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message(STATUS "errno found in <cerrno>")
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endif ()
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if (CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
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unset(CSE_RESULT_O3 CACHE)
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message(STATUS "Testing with optimization -O3")
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check_cxx_symbol_exists(non_existent_function_for_symbol_test "cm_cse.h" CSE_RESULT_O3)
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if (CSE_RESULT_O3)
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message(SEND_ERROR "CheckCXXSymbolExists reported a nonexistent symbol as existing with optimization -O3")
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endif ()
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endif ()
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