88879d0ad8
Make build-script assume that FreeBSD's Clang doesn't have "atomic_*" functions builtin implemented on i386 While here, allow to build on DragonFly BSD and drop "-fabi-version=2" from C/CXX flags Reported by: pkg-fallout MFH: 2020Q1
27 lines
910 B
CMake
27 lines
910 B
CMake
--- cmake/os/DragonFly.cmake.orig 2016-04-14 10:16:17 UTC
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+++ cmake/os/DragonFly.cmake
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@@ -0,0 +1,24 @@
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+INCLUDE(CheckCSourceRuns)
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+
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+# We require at least GCC 4.4 or Clang 3.3.
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+IF(NOT FORCE_UNSUPPORTED_COMPILER)
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+ IF(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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+ ELSEIF(CMAKE_C_COMPILER_ID MATCHES "Clang")
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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__ < 3) ||
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+ (__clang_major__ == 3 && __clang_minor__ < 3);
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+ }" HAVE_SUPPORTED_CLANG_VERSION)
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+ IF(NOT HAVE_SUPPORTED_CLANG_VERSION)
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+ MESSAGE(FATAL_ERROR "Clang 3.3 or newer is required!")
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+ ENDIF()
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+ ELSE()
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+ MESSAGE(FATAL_ERROR "Unsupported compiler!")
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+ ENDIF()
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+ENDIF()
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