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Add icc fvisibility bug test

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This commit is contained in:
Yang Tse 2009-11-16 23:01:37 +00:00
parent 09526fc9e9
commit 69ac7b0cf8
1 changed files with 15 additions and 4 deletions
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13
ares/m4/cares-compilers.m4
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@ -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
;;