Commit 69ac7b0c authored by Yang Tse's avatar Yang Tse
Browse files

Add icc fvisibility bug test

parent 09526fc9

ares/m4/cares-compilers.m4

+15 −4
Original line number Diff line number Diff line
@@ -16,7 +16,7 @@ 
#***************************************************************************



# File version for 'aclocal' use. Keep it a single number.

# serial 61

# serial 63





dnl CARES_CHECK_COMPILER
@@ -1340,9 +1340,20 @@ AC_DEFUN([CARES_CHECK_COMPILER_SYMBOL_HIDING], [ 
      dnl Only icc 9.0 or later

      if test "$compiler_num" -ge "900"; then

        if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then

          tmp_save_CFLAGS="$CFLAGS"

          CFLAGS="$CFLAGS -fvisibility=hidden"

          AC_LINK_IFELSE([

            AC_LANG_PROGRAM([[

#             include <stdio.h>

            ]],[[

              printf("icc fvisibility bug test");

            ]])

          ],[

            tmp_EXTERN="__attribute__ ((visibility (\"default\")))"

            tmp_CFLAGS="-fvisibility=hidden"

            supports_symbol_hiding="yes"

          ])

          CFLAGS="$tmp_save_CFLAGS"

        fi

      fi

      ;;