88 lines
3.0 KiB
CMake
88 lines
3.0 KiB
CMake
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# FindSSP.cmake
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#
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# Find libssp necessary when using gcc with e.g. -fstack-protector=strong
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#
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# See: http://wiki.osdev.org/Stack_Smashing_Protector
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#
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# To use:
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#
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# put a copy into your <project_root>/CMakeScripts/
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#
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# In your main CMakeLists.txt do something like this:
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#
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# IF(WIN32)
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# SET(SSP_STATIC ON)
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# ENDIF(WIN32)
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#
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# FIND_PACKAGE(SSP)
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#
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# IF(SSP_LIBRARY)
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# SET(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} ${SSP_LIBRARY}")
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# SET(CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_LINK_EXECUTABLE} ${SSP_LIBRARY}")
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# ENDIF(SSP_LIBRARY)
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#
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# BSD 2-Clause License
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#
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# Copyright (c) 2016, Rafael Kitover
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# only do this when compiling with gcc/g++
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IF(NOT (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_GNUC))
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RETURN()
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ENDIF()
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GET_FILENAME_COMPONENT(GCC_DIRNAME ${CMAKE_C_COMPILER} DIRECTORY)
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EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} --print-libgcc-file-name OUTPUT_VARIABLE LIBGCC_FILE OUTPUT_STRIP_TRAILING_WHITESPACE)
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GET_FILENAME_COMPONENT(LIBGCC_DIRNAME ${LIBGCC_FILE} DIRECTORY)
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SET(SSP_SEARCH_PATHS ${GCC_DIRNAME} ${LIBGCC_DIRNAME})
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SET(CURRENT_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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IF(SSP_STATIC)
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IF(WIN32)
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SET(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a)
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ELSE(WIN32)
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SET(CMAKE_FIND_LIBRARY_SUFFIXES .a)
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ENDIF(WIN32)
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ENDIF(SSP_STATIC)
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FIND_LIBRARY(SSP_LIBRARY
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NAMES ssp libssp
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HINTS ${SSP_SEARCH_PATHS}
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PATH_SUFFIXES lib64 lib lib/x64 lib/x86
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)
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SET(CMAKE_FIND_LIBRARY_SUFFIXES ${CURRENT_FIND_LIBRARY_SUFFIXES})
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FOREACH(VAR GCC_DIRNAME LIBGCC_FILE LIBGCC_DIRNAME SSP_SEARCH_PATHS CURRENT_FIND_LIBRARY_SUFFIXES)
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UNSET(${VAR})
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ENDFOREACH()
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SSP REQUIRED_VARS SSP_LIBRARY)
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