This file is part of MXE. See LICENSE.md for licensing information.

Contains ad hoc patches for cross building.

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tony Theodore <tonyt@logyst.com>
Date: Mon, 28 May 2018 13:00:57 +1000
Subject: [PATCH 1/1] tcl: remove bundled zlib

see: https://github.com/mxe/mxe/issues/2130

diff --git a/win/Makefile.in b/win/Makefile.in
index 1111111..2222222 100644
--- a/win/Makefile.in
+++ b/win/Makefile.in
@@ -146,9 +146,8 @@ REG_DLL_FILE		= tclreg$(REGVER)${DLLSUFFIX}
 REG_LIB_FILE		= @LIBPREFIX@tclreg$(REGVER)${LIBSUFFIX}
 TEST_DLL_FILE		= tcltest$(VER)${DLLSUFFIX}
 TEST_LIB_FILE		= @LIBPREFIX@tcltest$(VER)${LIBSUFFIX}
-ZLIB_DLL_FILE		= zlib1.dll
 
-SHARED_LIBRARIES 	= $(TCL_DLL_FILE) @ZLIB_DLL_FILE@
+SHARED_LIBRARIES 	= $(TCL_DLL_FILE)
 STATIC_LIBRARIES	= $(TCL_LIB_FILE)
 
 TCLSH			= tclsh$(VER)${EXESUFFIX}
@@ -411,7 +410,7 @@ ZLIB_OBJS = \
 	uncompr.$(OBJEXT) \
 	zutil.$(OBJEXT)
 
-TCL_OBJS = ${GENERIC_OBJS} $(TOMMATH_OBJS) ${WIN_OBJS} @ZLIB_OBJS@
+TCL_OBJS = ${GENERIC_OBJS} $(TOMMATH_OBJS) ${WIN_OBJS}
 
 TCL_DOCS = "$(ROOT_DIR_NATIVE)"/doc/*.[13n]
 
@@ -446,7 +445,7 @@ ${TCL_STUB_LIB_FILE}: ${STUB_OBJS}
 	@MAKE_STUB_LIB@ ${STUB_OBJS}
 	@POST_MAKE_LIB@
 
-${TCL_DLL_FILE}: ${TCL_OBJS} tcl.$(RES) @ZLIB_DLL_FILE@
+${TCL_DLL_FILE}: ${TCL_OBJS} tcl.$(RES)
 	@$(RM) ${TCL_DLL_FILE} $(TCL_LIB_FILE)
 	@MAKE_DLL@ ${TCL_OBJS} tcl.$(RES) $(SHLIB_LD_LIBS)
 	@VC_MANIFEST_EMBED_DLL@
@@ -466,14 +465,6 @@ ${TEST_DLL_FILE}: ${TCL_STUB_LIB_FILE} ${TCLTEST_OBJS}
 	@$(RM) ${TEST_DLL_FILE} ${TEST_LIB_FILE}
 	@MAKE_DLL@ ${TCLTEST_OBJS} $(TCL_STUB_LIB_FILE) $(SHLIB_LD_LIBS)
 
-# use pre-built zlib1.dll
-${ZLIB_DLL_FILE}: ${TCL_STUB_LIB_FILE}
-	@if test "@ZLIB_LIBS@set" != "${ZLIB_DIR_NATIVE}/win32/zdll.libset" ; then \
-		$(COPY) $(ZLIB_DIR)/win64/${ZLIB_DLL_FILE} ${ZLIB_DLL_FILE}; \
-	else \
-		$(COPY) $(ZLIB_DIR)/win32/${ZLIB_DLL_FILE} ${ZLIB_DLL_FILE}; \
-	fi;
-
 # Add the object extension to the implicit rules. By default .obj is not
 # automatically added.
 
@@ -579,7 +570,7 @@ install-binaries: binaries
 		else true; \
 		fi; \
 	    done;
-	@for i in $(TCL_DLL_FILE) $(ZLIB_DLL_FILE) $(TCLSH); \
+	@for i in $(TCL_DLL_FILE) $(TCLSH); \
 	    do \
 	    if [ -f $$i ]; then \
 		echo "Installing $$i to $(BIN_INSTALL_DIR)/"; \
diff --git a/win/configure.in b/win/configure.in
index 1111111..2222222 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -126,20 +126,8 @@ AS_IF([test "${enable_shared+set}" = "set"], [
 ], [
   tcl_ok=yes
 ])
-AS_IF([test "$tcl_ok" = "yes"], [
-  AC_SUBST(ZLIB_DLL_FILE,[\${ZLIB_DLL_FILE}])
-  AS_IF([test "$do64bit" != "no"], [
-    AS_IF([test "$GCC" == "yes"],[
-      AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64/libz.dll.a])
-    ], [
-      AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64/zdll.lib])
-    ])
-  ], [
-    AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win32/zdll.lib])
-  ])
-], [
-  AC_SUBST(ZLIB_OBJS,[\${ZLIB_OBJS}])
-])
+
+AC_SUBST(ZLIB_LIBS,[-lz])
 AC_DEFINE(HAVE_ZLIB, 1, [Is there an installed zlib?])
 
 AC_CHECK_TYPE([intptr_t], [