autotools: allow --enable-symbol-hiding with windows

This local autotools logic was put in place in
9e24b9c7afbcb81120af4cf3f6cdee49a06d8224 (in 2012) which disabled it for
Windows unconditionally. Testing reveals that it actually works with
tested toolchains (mingw-w64 and CI ones), so let's allow this build
feature on that platform. Bringing this in sync with CMake, which already
supported this.

Reviewed-by: Jay Satiro
Closes #9586

diff --git a/m4/curl-confopts.m4 b/m4/curl-confopts.m4
index 04b98b370b888f0ac352f1b9e65dcaa7a8bed0dc..301e2d460bfc40f890f0514800b2ebd85a07593d 100644 (file)
--- a/m4/curl-confopts.m4
+++ b/m4/curl-confopts.m4
@@ -458,8 +458,7 @@ AC_DEFUN([CURL_CONFIGURE_SYMBOL_HIDING], [
   AC_MSG_CHECKING([whether hiding of library internal symbols will actually happen])
   CFLAG_CURL_SYMBOL_HIDING=""
   doing_symbol_hiding="no"
-  if test x"$curl_cv_native_windows" != "xyes" &&
-    test "$want_symbol_hiding" = "yes" &&
+  if test "$want_symbol_hiding" = "yes" &&
     test "$supports_symbol_hiding" = "yes"; then
     doing_symbol_hiding="yes"
     CFLAG_CURL_SYMBOL_HIDING="$symbol_hiding_CFLAGS"