* autoload.cc (dll_load): Only perform DONT_RESOLVE_DLL_REFERENCES hack on

systems which need it.
* wincap.cc (use_dont_resolve_hack): Set as appropriate.
* wincap.h (use_dont_resolve_hack): Define.

4 files changed, 20 insertions, 1 deletions

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a80a7419b..2fade6ae0 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,5 +1,12 @@
 2011-02-28  Christopher Faylor  <me+cygwin@cgf.cx>
 
+	* autoload.cc (dll_load): Only perform DONT_RESOLVE_DLL_REFERENCES hack
+	on systems which need it.
+	* wincap.cc (use_dont_resolve_hack): Set as appropriate.
+	* wincap.h (use_dont_resolve_hack): Define.
+
+2011-02-28  Christopher Faylor  <me+cygwin@cgf.cx>
+
 	* autoload.cc (dll_load): Make inline.  Clarify logic.
 
 2011-02-27  Corinna Vinschen  <corinna@vinschen.de>
diff --git a/winsup/cygwin/autoload.cc b/winsup/cygwin/autoload.cc
index e3c719176..8b20fea2b 100644
--- a/winsup/cygwin/autoload.cc
+++ b/winsup/cygwin/autoload.cc
@@ -216,7 +216,8 @@ static __inline bool
 dll_load (HANDLE& handle, WCHAR *name)
 {
   HANDLE h = LoadLibraryW (name);
-  if (!h && in_forkee && handle && GetLastError () == ERROR_INVALID_ADDRESS)
+  if (!h && in_forkee && handle && GetLastError () == ERROR_INVALID_ADDRESS
+      && wincap.use_dont_resolve_hack ())
     h = LoadLibraryExW (name, NULL, DONT_RESOLVE_DLL_REFERENCES);
   if (!h)
     return false;
diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index fe8a05173..89d032367 100644
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -61,6 +61,7 @@ wincaps wincap_nt4sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:false,
 };
 
 wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -101,6 +102,7 @@ wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:false,
 };
 
 wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -141,6 +143,7 @@ wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:false,
 };
 
 wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -181,6 +184,7 @@ wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:true,
 };
 
 wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -221,6 +225,7 @@ wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:true,
 };
 
 wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -261,6 +266,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:true,
 };
 
 wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -301,6 +307,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:false,
   has_restricted_raw_disk_access:false,
+  use_dont_resolve_hack:false,
 };
 
 wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -341,6 +348,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:true,
   has_fast_cwd:true,
   has_restricted_raw_disk_access:true,
+  use_dont_resolve_hack:false,
 };
 
 wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@@ -381,6 +389,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_buggy_thread_startup:false,
   has_fast_cwd:true,
   has_restricted_raw_disk_access:true,
+  use_dont_resolve_hack:false,
 };
 
 wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
diff --git a/winsup/cygwin/wincap.h b/winsup/cygwin/wincap.h
index 288146873..f1eb7a6ec 100644
--- a/winsup/cygwin/wincap.h
+++ b/winsup/cygwin/wincap.h
@@ -51,6 +51,7 @@ struct wincaps
   unsigned has_buggy_thread_startup			: 1;
   unsigned has_fast_cwd					: 1;
   unsigned has_restricted_raw_disk_access		: 1;
+  unsigned use_dont_resolve_hack			: 1;
 };
 
 class wincapc
@@ -107,6 +108,7 @@ public:
   bool	IMPLEMENT (has_buggy_thread_startup)
   bool	IMPLEMENT (has_fast_cwd)
   bool	IMPLEMENT (has_restricted_raw_disk_access)
+  bool	IMPLEMENT (use_dont_resolve_hack)
 
 #undef IMPLEMENT
 };