Fix cairo build when cross-compiling to ppc MacOSX

cairo/cairo/makefile.mk

@@ -109,6 +109,9 @@ cairo_CPPFLAGS+=$(EXTRA_CFLAGS) $(EXTRA_CDEFS)
 CONFIGURE_DIR=
 CONFIGURE_ACTION=cp $(SRC_ROOT)$/$(PRJNAME)$/cairo$/dummy_pkg_config . && .$/configure
 CONFIGURE_FLAGS=--enable-static=no --disable-xlib --disable-ft --disable-svg --enable-quartz --enable-quartz-font --enable-gtk-doc=no --enable-test-surfaces=no PKG_CONFIG=./dummy_pkg_config ZLIB3RDLIB=$(ZLIB3RDLIB) COMPRESS=$(cairo_COMPRESS)
+.IF "$(CROSS_COMPILING)"!=""
+CONFIGURE_FLAGS+=--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)
+.ENDIF
 cairo_CPPFLAGS+=$(EXTRA_CDEFS)
 cairo_LDFLAGS+=$(EXTRA_LINKFLAGS)
 BUILD_ACTION=$(GNUMAKE)

cairo/pixman/makefile.mk

@@ -85,6 +85,9 @@ CONFIGURE_FLAGS=--enable-static=yes --enable-shared=no CPPFLAGS="$(EXTRA_CDEFS)"
 CONFIGURE_FLAGS+=CFLAGS="$(EXTRA_CFLAGS) $(EXTRA_CDEFS)"
 .ENDIF # "$(EXTRA_CDEFS)"!=""
 .ENDIF # "$(SYSBASE)"!=""
+.IF "$(CROSS_COMPILING)"!=""
+CONFIGURE_FLAGS+=--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)
+.ENDIF
 BUILD_ACTION=$(GNUMAKE)
 BUILD_FLAGS+= -j$(EXTMAXPROCESS)
 BUILD_DIR=$(CONFIGURE_DIR)