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23 lines
734 B
Plaintext
23 lines
734 B
Plaintext
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#
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# Determine if the compiler accepts -fvisibility-inlines-hidden
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#
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# This macro is specific to LLVM.
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#
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AC_DEFUN([AC_CXX_USE_VISIBILITY_INLINES_HIDDEN],
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[AC_CACHE_CHECK([for compiler -fvisibility-inlines-hidden option],
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[llvm_cv_cxx_visibility_inlines_hidden],
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[ AC_LANG_PUSH([C++])
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oldcxxflags="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
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[llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no])
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CXXFLAGS="$oldcxxflags"
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AC_LANG_POP([C++])
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])
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if test "$llvm_cv_cxx_visibility_inlines_hidden" = yes ; then
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AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[1])
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else
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AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[0])
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fi
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])
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