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| author | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
| commit | 63faed5b8e4f2755f127fcb8aa440480c0649327 (patch) | |
| tree | 19c69a04768629f2d440944b71cbe90adae0b615 /projects/sample/autoconf/m4/visibility_inlines_hidden.m4 | |
| parent | d4c8b5d2e851b0e8a063c6bf8543a4823a26c15a (diff) | |
| download | src-63faed5b8e4f2755f127fcb8aa440480c0649327.tar.gz src-63faed5b8e4f2755f127fcb8aa440480c0649327.zip | |
Vendor import of llvm trunk r154661:vendor/llvm/llvm-trunk-r154661
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=234285
svn path=/vendor/llvm/llvm-trunk-r154661/; revision=234286; tag=vendor/llvm/llvm-trunk-r154661
Diffstat (limited to 'projects/sample/autoconf/m4/visibility_inlines_hidden.m4')
| -rw-r--r-- | projects/sample/autoconf/m4/visibility_inlines_hidden.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/projects/sample/autoconf/m4/visibility_inlines_hidden.m4 b/projects/sample/autoconf/m4/visibility_inlines_hidden.m4 new file mode 100644 index 000000000000..42ddbe9128b3 --- /dev/null +++ b/projects/sample/autoconf/m4/visibility_inlines_hidden.m4 @@ -0,0 +1,22 @@ +# +# Determine if the compiler accepts -fvisibility-inlines-hidden +# +# This macro is specific to LLVM. +# +AC_DEFUN([AC_CXX_USE_VISIBILITY_INLINES_HIDDEN], +[AC_CACHE_CHECK([for compiler -fvisibility-inlines-hidden option], + [llvm_cv_cxx_visibility_inlines_hidden], +[ AC_LANG_PUSH([C++]) + oldcxxflags="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], + [llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no]) + CXXFLAGS="$oldcxxflags" + AC_LANG_POP([C++]) +]) +if test "$llvm_cv_cxx_visibility_inlines_hidden" = yes ; then + AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[1]) +else + AC_SUBST([ENABLE_VISIBILITY_INLINES_HIDDEN],[0]) +fi +]) |