26 lines
868 B
CMake
26 lines
868 B
CMake
--- cmake/os/FreeBSD.cmake.orig 2019-09-20 08:30:51 UTC
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+++ cmake/os/FreeBSD.cmake
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@@ -45,8 +45,20 @@ IF(NOT FORCE_UNSUPPORTED_COMPILER)
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MESSAGE(FATAL_ERROR
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"GCC 5.3 or newer is required (-dumpversion says ${GCC_VERSION})")
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ENDIF()
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- ELSE()
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- MESSAGE(FATAL_ERROR "Unsupported compiler!")
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+ CHECK_C_SOURCE_RUNS("
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+ int main()
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+ {
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+ return (__clang_major__ >= 4);
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+ }" I386_ATOMIC_BUILTINS)
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+ IF((CMAKE_SYSTEM_PROCESSOR MATCHES "i386") AND (NOT I386_ATOMIC_BUILTINS))
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+ SET(HAVE_GCC_ATOMIC_BUILTINS CACHE INTERNAL "")
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+ ENDIF()
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+ ELSEIF(CMAKE_COMPILER_IS_GNUCC)
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+ EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -dumpversion
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+ OUTPUT_VARIABLE GCC_VERSION)
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+ IF(GCC_VERSION VERSION_LESS 4.4)
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+ MESSAGE(FATAL_ERROR "GCC 4.4 or newer is required!")
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+ ENDIF()
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ENDIF()
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ENDIF()
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