strace: fix cross-compile on MacOS X

package/strace/Makefile

@@ -15,7 +15,8 @@ include ${ADK_TOPDIR}/mk/package.mk
 
 $(eval $(call PKG_template,STRACE,strace,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
-XAKE_FLAGS+=		GCC_HONOUR_COPTS=s
+XAKE_FLAGS+=		GCC_HONOUR_COPTS=s \
+			CPPFLAGS_FOR_BUILD="-I$(LINUX_DIR)/include/uapi -I$(LINUX_DIR)/arch/$(ADK_TARGET_ARCH)/include/generated"
 
 ifeq ($(ADK_TARGET_LIB_MUSL),y)
 TARGET_CPPFLAGS+=	-DMSG_EXCEPT=020000 -D_LARGEFILE64_SOURCE=1