Pass --build and --host options also when cross-compiling to Windows

hunspell/makefile.mk

@@ -81,7 +81,13 @@ OUT2LIB=$(BUILD_DIR)$/src$/hunspell$/.libs$/libhunspell-1.2.a
 .IF "$(GUI)"=="WNT"
 .IF "$(COM)"=="GCC"
 CONFIGURE_ACTION=configure
+
 CONFIGURE_FLAGS= --disable-shared --disable-nls --with-pic LDFLAGS=-Wl,--enable-runtime-pseudo-reloc-v2
+
+.IF "$(CROSS_COMPILING)"=="YES"
+CONFIGURE_FLAGS+=--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)
+.ENDIF
+
 BUILD_ACTION=make
 OUT2LIB=$(BUILD_DIR)$/src$/hunspell$/.libs$/libhunspell-1.2.a
 .ELSE