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Code Issues Releases Wiki Activity

External API function linkage decoration adjustment

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This commit is contained in:
Yang Tse 2009-10-29 01:34:19 +00:00
parent 57eeee2ec3
commit 265ed24ac0
2 changed files with 12 additions and 9 deletions
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12
ares/m4/cares-compilers.m4
View File

@ -16,7 +16,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 59
# serial 60
dnl CARES_CHECK_COMPILER
@ -1252,8 +1252,8 @@ AC_DEFUN([CARES_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE], [
dnl CARES_CHECK_COMPILER_HIDDEN_SYMBOLS
dnl -------------------------------------------------
dnl Verify if compiler supports hiding library internal symbols, setting
dnl shell variable hidden_symbols_supported value as appropriate, as well
dnl as variable hidden_symbols_CFLAGS when supported.
dnl shell variable hidden_symbols_supported value as appropriate, as well as
dnl variables hidden_symbols_CFLAGS and hidden_symbols_extern when supported.
AC_DEFUN([CARES_CHECK_COMPILER_HIDDEN_SYMBOLS], [
AC_REQUIRE([CARES_CHECK_COMPILER])dnl
@ -1261,6 +1261,7 @@ AC_DEFUN([CARES_CHECK_COMPILER_HIDDEN_SYMBOLS], [
AC_MSG_CHECKING([if compiler supports hiding library internal symbols])
hidden_symbols_supported="no"
hidden_symbols_CFLAGS=""
hidden_symbols_extern=""
tmp_CFLAGS=""
tmp_extern=""
case "$compiler_id" in
@ -1332,11 +1333,8 @@ AC_DEFUN([CARES_CHECK_COMPILER_HIDDEN_SYMBOLS], [
fi
if test "$hidden_symbols_supported" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(CARES_HIDDEN_SYMBOLS, 1,
[Define to 1 to enable hiding of library internal symbols.])
AC_DEFINE_UNQUOTED(CARES_EXTERN_SYMBOL, $tmp_extern,
[Definition to make a library symbol externally visible.])
hidden_symbols_CFLAGS="$tmp_CFLAGS"
hidden_symbols_extern="$tmp_extern"
else
AC_MSG_RESULT([no])
fi

9
ares/m4/cares-confopts.m4
View File

@ -16,7 +16,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 6
# serial 7
dnl CARES_CHECK_OPTION_CURLDEBUG
@ -303,10 +303,15 @@ dnl been done to prevent interferences on other tests.
AC_DEFUN([CARES_CONFIGURE_HIDDEN_SYMBOLS], [
AC_MSG_CHECKING([whether to actually hide library internal symbols])
if test "$want_hidden_symbols" = "yes" &&
if test x"$ac_cv_native_windows" != "xyes" &&
test "$want_hidden_symbols" = "yes" &&
test "$hidden_symbols_supported" = "yes"; then
tmp_save_CFLAGS="$CFLAGS"
CFLAGS="$tmp_save_CFLAGS $hidden_symbols_CFLAGS"
AC_DEFINE_UNQUOTED(CARES_HIDDEN_SYMBOLS, 1,
[Define to 1 to enable hiding of library internal symbols.])
AC_DEFINE_UNQUOTED(CARES_EXTERN_SYMBOL, $hidden_symbols_extern,
[Definition to make a library symbol externally visible.])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])