8351277: Remove pipewire from AIX build

Reviewed-by: ihse, prr, azvegint

make/modules/java.desktop/lib/AwtLibraries.gmk

@@ -231,10 +231,14 @@ ifeq ($(call isTargetOs, windows macosx)+$(ENABLE_HEADLESS_ONLY), false+false)
       common/font \
       common/java2d/opengl \
       common/java2d/x11 \
-      libpipewire/include \
       java.base:libjvm \
       #
 
+  # exclude pipewire from the AIX build, no Wayland support
+  ifeq ($(call isTargetOs, aix), false)
+    LIBAWT_XAWT_EXTRA_HEADER_DIRS += libpipewire/include
+  endif
+
   ifeq ($(call isTargetOs, linux), true)
     ifeq ($(DISABLE_XRENDER), true)
       LIBAWT_XAWT_CFLAGS += -DDISABLE_XRENDER_BY_DEFAULT=true

src/java.desktop/unix/native/libawt_xawt/awt/screencast_pipewire.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 #include <dlfcn.h>
 #include "jni_util.h"
 #include "awt.h"
+
+#ifndef _AIX
 #include "screencast_pipewire.h"
 
 struct pw_buffer *(*fp_pw_stream_dequeue_buffer)(struct pw_stream *stream);
@@ -1095,3 +1097,28 @@ JNIEXPORT jint JNICALL Java_sun_awt_screencast_ScreencastHelper_getRGBPixelsImpl
     releaseToken(env, jtoken, token);
     return 0;
 }
+#else
+JNIEXPORT void JNICALL
+Java_sun_awt_screencast_ScreencastHelper_closeSession(JNIEnv *env, jclass cls) {
+}
+
+JNIEXPORT jint JNICALL Java_sun_awt_screencast_ScreencastHelper_getRGBPixelsImpl(
+        JNIEnv *env,
+        jclass cls,
+        jint jx,
+        jint jy,
+        jint jwidth,
+        jint jheight,
+        jintArray pixelArray,
+        jintArray affectedScreensBoundsArray,
+        jstring jtoken
+) {
+    return -1; /* RESULT_ERROR */
+}
+
+JNIEXPORT jboolean JNICALL Java_sun_awt_screencast_ScreencastHelper_loadPipewire(
+        JNIEnv *env, jclass cls, jboolean screencastDebug
+) {
+    return JNI_FALSE;
+}
+#endif

src/java.desktop/unix/native/libawt_xawt/awt/screencast_portal.c

@@ -29,7 +29,10 @@
 #include <string.h>
 #include <pwd.h>
 #include <unistd.h>
+
+#ifndef _AIX
 #include "screencast_pipewire.h"
+
 #include "screencast_portal.h"
 
 extern volatile bool isGtkMainThread;
@@ -925,3 +928,4 @@ int getPipewireFd(const gchar *token,
     DEBUG_SCREENCAST("pwFd %i\n", pipewireFd);
     return pipewireFd;
 }
+#endif

src/java.desktop/unix/native/libpipewire/include/spa/utils/endian.h

@@ -18,10 +18,6 @@
 #define bswap_16 _byteswap_ushort
 #define bswap_32 _byteswap_ulong
 #define bswap_64 _byteswap_uint64
-#elif defined(AIX)
-#include <sys/machine.h>
-#define __BIG_ENDIAN      BIG_ENDIAN
-#define __BYTE_ORDER      BIG_ENDIAN
 #else
 #include <endian.h>
 #include <byteswap.h>