X11: Add support for Cygwin/X sonames

src/x11_init.c

@@ -479,7 +479,11 @@ static GLFWbool initExtensions(void)
                                       &_glfw.x11.vidmode.errorBase);
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.xi.handle = _glfw_dlopen("libXi-6.so");
+#else
     _glfw.x11.xi.handle = _glfw_dlopen("libXi.so.6");
+#endif
     if (_glfw.x11.xi.handle)
     {
         _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion)
@@ -505,7 +509,11 @@ static GLFWbool initExtensions(void)
         }
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.randr.handle = _glfw_dlopen("libXrandr-2.so");
+#else
     _glfw.x11.randr.handle = _glfw_dlopen("libXrandr.so.2");
+#endif
     if (_glfw.x11.randr.handle)
     {
         _glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma)
@@ -593,7 +601,11 @@ static GLFWbool initExtensions(void)
                        RROutputChangeNotifyMask);
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor-1.so");
+#else
     _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.so.1");
+#endif
     if (_glfw.x11.xcursor.handle)
     {
         _glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate)
@@ -604,7 +616,11 @@ static GLFWbool initExtensions(void)
             _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor");
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so");
+#else
     _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.so.1");
+#endif
     if (_glfw.x11.xinerama.handle)
     {
         _glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive)
@@ -644,14 +660,22 @@ static GLFWbool initExtensions(void)
         }
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so");
+#else
     _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.so.1");
+#endif
     if (_glfw.x11.x11xcb.handle)
     {
         _glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection)
             _glfw_dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection");
     }
 
+#if defined(__CYGWIN__)
+    _glfw.x11.xrender.handle = _glfw_dlopen("libXrender-1.so");
+#else
     _glfw.x11.xrender.handle = _glfw_dlopen("libXrender.so.1");
+#endif
     if (_glfw.x11.xrender.handle)
     {
         _glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension)