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@@ -1,9 +1,20 @@
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include(CheckLibraryExists)
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include(CheckCXXCompilerFlag)
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-check_library_exists(c fopen "" LIBCXX_HAS_C_LIB)
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+if(WIN32 AND NOT MINGW)
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+ # NOTE(compnerd) this is technically a lie, there is msvcrt, but for now, lets
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+ # let the default linking take care of that.
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+ set(LIBCXX_HAS_C_LIB NO)
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+else()
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+ check_library_exists(c fopen "" LIBCXX_HAS_C_LIB)
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+endif()
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+
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if (NOT LIBCXX_USE_COMPILER_RT)
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- check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)
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+ if(WIN32 AND NOT MINGW)
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+ set(LIBCXX_HAS_GCC_S_LIB NO)
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+ else()
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+ check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)
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+ endif()
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endif()
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# libc++ is built with -nodefaultlibs, so we want all our checks to also
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@@ -32,7 +43,9 @@ if (LIBCXX_SUPPORTS_NODEFAULTLIBS_FLAG)
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endif ()
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endif ()
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-include(CheckLibcxxAtomic)
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+if(NOT WIN32 OR MINGW)
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+ include(CheckLibcxxAtomic)
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+endif()
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# Check compiler flags
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@@ -45,6 +58,14 @@ check_cxx_compiler_flag(/GR- LIBCXX_HAS_NO_GR_FLAG)
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# Check libraries
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-check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
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-check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
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-check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
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+if(WIN32 AND NOT MINGW)
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+ # TODO(compnerd) do we want to support an emulation layer that allows for the
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+ # use of pthread-win32 or similar libraries to emulate pthreads on Windows?
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+ set(LIBCXX_HAS_PTHREAD_LIB NO)
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+ set(LIBCXX_HAS_M_LIB NO)
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+ set(LIBCXX_HAS_RT_LIB NO)
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+else()
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+ check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
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+ check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
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+ check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
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+endif()
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