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authorYang Tse <yangsita@gmail.com>2009-10-29 01:34:19 +0000
committerYang Tse <yangsita@gmail.com>2009-10-29 01:34:19 +0000
commit265ed24ac09aacabb9422b4f2fe8a12dc338a633 (patch)
tree76518eecac0f5c7c583407d40034c605090a1977 /ares/m4
parent57eeee2ec37618dd90f2978a5426631214c18280 (diff)
External API function linkage decoration adjustment
Diffstat (limited to 'ares/m4')
-rw-r--r--ares/m4/cares-compilers.m412
-rw-r--r--ares/m4/cares-confopts.m49
2 files changed, 12 insertions, 9 deletions
diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index 77e4651a7..a8f1cd58a 100644
--- a/ares/m4/cares-compilers.m4
+++ b/ares/m4/cares-compilers.m4
@@ -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="$tmp_extern"
else
AC_MSG_RESULT([no])
fi
diff --git a/ares/m4/cares-confopts.m4 b/ares/m4/cares-confopts.m4
index 5af3232ad..241bb498e 100644
--- a/ares/m4/cares-confopts.m4
+++ b/ares/m4/cares-confopts.m4
@@ -16,7 +16,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
-# serial 6
+# serial 7
dnl CARES_CHECK_OPTION_CURLDEBUG
@@ -303,10 +303,15 @@ dnl been done to prevent interferences on other tests.
AC_DEFUN([CARES_CONFIGURE_HIDDEN_SYMBOLS], [
AC_MSG_CHECKING([whether to actually hide library internal symbols])
- if test "$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])