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Summary: ``` We noticed that we could build QT without using XLib/libX11 as a library. XLib/libX11's headers are still used, and a minimal configure.ac has been added to eliminate overly-enthusiastic configure-time dependencies that aren't actually required to obtain the headers. This also means that we eliminate XLib/libX11 as required shared libraries at runtime, which is desirable. ``` Backport of core [[bitcoin/bitcoin#16408 | PR16408]]. Depends on D5632. Test Plan: Run the Gitian builds. Reviewers: #bitcoin_abc, deadalnix Reviewed By: #bitcoin_abc, deadalnix Differential Revision: https://reviews.bitcoinabc.org/D5636
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| From 9563cef873ae82e06f60708d706d054717e801ce Mon Sep 17 00:00:00 2001 | ||
| From: Carl Dong <contact@carldong.me> | ||
| 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 | ||
|
|