Revert r55557, it is causing linking failures on 32bit linux.

llvm-svn: 55628

Makefile.config.in

@@ -234,9 +234,6 @@ ENABLE_THREADS := @ENABLE_THREADS@
 # Do we want to build with position independent code?
 ENABLE_PIC := @ENABLE_PIC@
 
-# Use -fvisibility-inlines-hidden?
-ENABLE_VISIBILITY_INLINES_HIDDEN := @ENABLE_VISIBILITY_INLINES_HIDDEN@
-
 # This option tells the Makefiles to produce verbose output.
 # It essentially prints the commands that make is executing
 #VERBOSE = 1

Makefile.rules

@@ -241,10 +241,6 @@ else
   endif
 endif
 
-ifeq ($(ENABLE_VISIBILITY_INLINES_HIDDEN),1)
-    CXX.Flags += -fvisibility-inlines-hidden
-endif
-
 # IF REQUIRES_EH=1 is specified then don't disable exceptions
 ifndef REQUIRES_EH
   CXX.Flags += -fno-exceptions

autoconf/configure.ac

@@ -975,8 +975,6 @@ if test "$binding_prereqs_failed" = 1 ; then
   AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
 fi
 
-dnl Determine if the compiler supports -fvisibility-inlines-hidden.
-AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
 
 dnl===-----------------------------------------------------------------------===
 dnl===

autoconf/m4/visibility_inlines_hidden.m4

@@ -1,22 +0,0 @@
-#
-# 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
-])