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build/cmake/CheckTypeExists.cmake
41 строка
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Tim Kientzle
Fix the CMake build on systems that lack a C++ compiler.
08 май 2009, 20:50
08 май 2009, 20:50
fccf5c2
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# - Check if the system has the specified type # CHECK_TYPE_EXISTS (TYPE HEADER VARIABLE) # # TYPE - the name of the type or struct or class you are interested in # HEADER - the header(s) where the prototype should be declared # VARIABLE - variable to store the result # # 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 # Copyright (c) 2009, Michihiro NAKAJIMA # Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org> # # Redistribution and use is allowed according to the terms of the BSD license. # For details see the accompanying COPYING-CMAKE-SCRIPTS file. INCLUDE(CheckCSourceCompiles) MACRO (CHECK_TYPE_EXISTS _TYPE _HEADER _RESULT) SET(_INCLUDE_FILES) FOREACH (it ${_HEADER}) SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n") ENDFOREACH (it) SET(_CHECK_TYPE_EXISTS_SOURCE_CODE " ${_INCLUDE_FILES} int main() { static ${_TYPE} tmp; if (sizeof(tmp)) return 0; return 0; } ") CHECK_C_SOURCE_COMPILES("${_CHECK_TYPE_EXISTS_SOURCE_CODE}" ${_RESULT}) ENDMACRO (CHECK_TYPE_EXISTS)