depends: qt: Patch to remove dep on libX11

We can actually patch QT to remove its dependency on libX11's headers.
It turns it this wasn't that hard.

Author: dongcarl

depends/packages/libX11.mk

@@ -3,7 +3,7 @@ packages:=boost openssl libevent
 qt_native_packages = native_protobuf
 qt_packages = qrencode protobuf zlib
 
-qt_linux_packages:=qt expat libxcb xcb_proto libXau xproto freetype fontconfig libX11
+qt_linux_packages:=qt expat libxcb xcb_proto libXau xproto freetype fontconfig
 
 rapidcheck_packages = rapidcheck
 

depends/packages/packages.mk

@@ -5,10 +5,10 @@ $(package)_suffix=opensource-src-$($(package)_version).tar.xz
 $(package)_file_name=qtbase-$($(package)_suffix)
 $(package)_sha256_hash=36dd9574f006eaa1e5af780e4b33d11fe39d09fd7c12f3b9d83294174bd28f00
 $(package)_dependencies=openssl zlib
-$(package)_linux_dependencies=freetype fontconfig libxcb libX11
+$(package)_linux_dependencies=freetype fontconfig libxcb
 $(package)_build_subdir=qtbase
 $(package)_qt_libs=corelib network widgets gui plugins testlib
-$(package)_patches=fix_qt_pkgconfig.patch mac-qmake.conf fix_configure_mac.patch fix_no_printer.patch fix_rcc_determinism.patch fix_riscv64_arch.patch xkb-default.patch
+$(package)_patches=fix_qt_pkgconfig.patch mac-qmake.conf fix_configure_mac.patch fix_no_printer.patch fix_rcc_determinism.patch fix_riscv64_arch.patch xkb-default.patch no-xlib.patch
 
 $(package)_qttranslations_file_name=qttranslations-$($(package)_suffix)
 $(package)_qttranslations_sha256_hash=b36da7d93c3ab6fca56b32053bb73bc619c8b192bb89b74e3bcde2705f1c2a14
@@ -158,6 +158,7 @@ define $(package)_preprocess_cmds
   echo "!host_build: QMAKE_CXXFLAGS   += $($(package)_cxxflags) $($(package)_cppflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   echo "!host_build: QMAKE_LFLAGS     += $($(package)_ldflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   patch -p1 -i $($(package)_patch_dir)/fix_riscv64_arch.patch &&\
+  patch -p1 -i $($(package)_patch_dir)/no-xlib.patch &&\
   echo "QMAKE_LINK_OBJECT_MAX = 10" >> qtbase/mkspecs/win32-g++/qmake.conf &&\
   echo "QMAKE_LINK_OBJECT_SCRIPT = object_script" >> qtbase/mkspecs/win32-g++/qmake.conf &&\
   sed -i.old "s|QMAKE_CFLAGS            = |!host_build: QMAKE_CFLAGS            = $($(package)_cflags) $($(package)_cppflags) |" qtbase/mkspecs/win32-g++/qmake.conf && \

depends/packages/qt.mk

@@ -0,0 +1,69 @@
+From 9563cef873ae82e06f60708d706d054717e801ce Mon Sep 17 00:00:00 2001
+From: Carl Dong <[email protected]>
+Date: Thu, 18 Jul 2019 17:22:05 -0400
+Subject: [PATCH] Wrap xlib related code blocks in #if's
+
+They are not necessary to compile QT.
+---
+ qtbase/src/plugins/platforms/xcb/qxcbcursor.cpp | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/qtbase/src/plugins/platforms/xcb/qxcbcursor.cpp b/qtbase/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 7c62c2e2b3..c05c6c0a07 100644
+--- a/qtbase/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/qtbase/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -49,7 +49,9 @@
+ #include <QtGui/QWindow>
+ #include <QtGui/QBitmap>
+ #include <QtGui/private/qguiapplication_p.h>
++#if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+ #include <X11/cursorfont.h>
++#endif
+ #include <xcb/xfixes.h>
+ #include <xcb/xcb_image.h>
+ 
+@@ -384,6 +386,7 @@ void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
+     w->setCursor(c, isBitmapCursor);
+ }
+ 
++#if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+ static int cursorIdForShape(int cshape)
+ {
+     int cursorId = 0;
+@@ -437,6 +440,7 @@ static int cursorIdForShape(int cshape)
+     }
+     return cursorId;
+ }
++#endif
+ 
+ xcb_cursor_t QXcbCursor::createNonStandardCursor(int cshape)
+ {
+@@ -558,7 +562,9 @@ static xcb_cursor_t loadCursor(void *dpy, int cshape)
+ xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
+ {
+     xcb_connection_t *conn = xcb_connection();
++#if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     int cursorId = cursorIdForShape(cshape);
++#endif
+     xcb_cursor_t cursor = XCB_NONE;
+ 
+     // Try Xcursor first
+@@ -589,6 +595,7 @@ xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
+     // Non-standard X11 cursors are created from bitmaps
+     cursor = createNonStandardCursor(cshape);
+ 
++#if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     // Create a glpyh cursor if everything else failed
+     if (!cursor && cursorId) {
+         cursor = xcb_generate_id(conn);
+@@ -596,6 +603,7 @@ xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
+                                 cursorId, cursorId + 1,
+                                 0xFFFF, 0xFFFF, 0xFFFF, 0, 0, 0);
+     }
++#endif
+ 
+     if (cursor && cshape >= 0 && cshape < Qt::LastCursor && connection()->hasXFixes()) {
+         const char *name = cursorNames[cshape];
+-- 
+2.22.0
+