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From: Danny Milosavljevic <dannym@scratchpost.org>
Date: Thu, 31 Mar 2022 17:02:00 +0200
Subject: Make openjdk use libxcursor directly
Fixes <https://issues.guix.gnu.org/54654>.
This patch makes openjdk use libxcursor directly.
Without it, libx11 would try to dlopen("libXcursor.so.1") and fail.
diff -ru orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/make/modules/java.desktop/lib/Awt2dLibraries.gmk 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/make/modules/java.desktop/lib/Awt2dLibraries.gmk
--- orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/make/modules/java.desktop/lib/Awt2dLibraries.gmk 2022-03-31 15:34:08.773419480 +0200
+++ 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/make/modules/java.desktop/lib/Awt2dLibraries.gmk 2022-03-31 21:36:27.854273411 +0200
@@ -217,7 +217,7 @@
endif
endif
- LIBAWT_XAWT_LIBS := $(LIBM) -lawt -lXext -lX11 -lXrender $(LIBDL) -lXtst -lXi -ljava -ljvm
+ LIBAWT_XAWT_LIBS := $(LIBM) -lawt -lXext -lX11 -lXcursor -lXrender $(LIBDL) -lXtst -lXi -ljava -ljvm
ifeq ($(call isTargetOs, linux), true)
LIBAWT_XAWT_LIBS += -lpthread
diff -ru orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/src/java.desktop/unix/native/libawt_xawt/xawt/XlibWrapper.c 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/src/java.desktop/unix/native/libawt_xawt/xawt/XlibWrapper.c
--- orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/src/java.desktop/unix/native/libawt_xawt/xawt/XlibWrapper.c 2022-03-31 15:34:11.917502206 +0200
+++ 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/src/java.desktop/unix/native/libawt_xawt/xawt/XlibWrapper.c 2022-03-31 21:38:16.417253535 +0200
@@ -40,10 +40,12 @@
#include <X11/keysym.h>
#include <X11/Sunkeysym.h>
#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
#include <X11/Xatom.h>
#include <X11/XKBlib.h>
#include <X11/Xos.h>
#include <X11/Xutil.h>
+#include <X11/Xcursor/Xcursor.h>
#if defined(AIX)
#undef X_HAVE_UTF8_STRING
@@ -972,10 +974,21 @@
}
+static XColor _Xconst foreground = { 0, 0, 0, 0 }; /* black */
+static XColor _Xconst background = { 0, 65535, 65535, 65535 }; /* white */
+
JNIEXPORT jint JNICALL Java_sun_awt_X11_XlibWrapper_XCreateFontCursor
(JNIEnv *env, jclass clazz, jlong display, jint shape) {
AWT_CHECK_HAVE_LOCK_RETURN(0);
- return XCreateFontCursor((Display *) jlong_to_ptr(display), (int) shape);
+ Display * dpy = (Display *) jlong_to_ptr(display);
+ if (dpy->cursor_font == None) {
+ dpy->cursor_font = XLoadFont(dpy, "cursor");
+ if (dpy->cursor_font == None) return None;
+ }
+ Cursor result = XcursorTryShapeCursor(dpy, dpy->cursor_font, dpy->cursor_font, (int) shape, (int) shape + 1, &foreground, &background);
+ if (!result)
+ result = XCreateFontCursor(dpy, (int) shape);
+ return result;
}
/*
diff -ru orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/test/jdk/java/awt/JAWT/Makefile.unix 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/test/jdk/java/awt/JAWT/Makefile.unix
--- orig/22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/test/jdk/java/awt/JAWT/Makefile.unix 2022-03-31 15:34:10.553466316 +0200
+++ 22kjr9lzrml0h5m55viq7zlfkqr9p7ny-openjdk-15.0.3-checkout/test/jdk/java/awt/JAWT/Makefile.unix 2022-03-31 21:36:27.854273411 +0200
@@ -31,7 +31,7 @@
J_INC = $(TESTJAVA)/include
INCLUDES = -I$(J_INC) -I$(J_INC)/$(SYST) -I.
-LIBS = -L$(TESTJAVA)/lib -ljawt -lX11
+LIBS = -L$(TESTJAVA)/lib -ljawt -lX11 -lXcursor
all: $(CLASSES) libmylib.so
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