4 files changed, 15 insertions, 2 deletions
diff --git a/win/configure b/win/configure
index 25bc18a..caf4a21 100755
--- a/win/configure
+++ b/win/configure
@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP AR ac_ct_AR RANLIB ac_ct_RANLIB RC ac_ct_RC SET_MAKE TCL_THREADS CYGPATH CELIB_DIR DL_LIBS CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING CFLAGS_NOLTO ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE TCL_WIN_VERSION MACHINE TCL_VERSION TCL_MAJOR_VERSION TCL_MINOR_VERSION TCL_PATCH_LEVEL PKG_CFG_ARGS TCL_EXE TCL_LIB_FILE TCL_LIB_FLAG TCL_STATIC_LIB_FILE TCL_STATIC_LIB_FLAG TCL_IMPORT_LIB_FILE TCL_IMPORT_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCL_STUB_LIB_PATH TCL_INCLUDE_SPEC TCL_BUILD_STUB_LIB_SPEC TCL_BUILD_STUB_LIB_PATH TCL_DLL_FILE TCL_SRC_DIR TCL_BIN_DIR TCL_DBGX CFG_TCL_SHARED_LIB_SUFFIX CFG_TCL_UNSHARED_LIB_SUFFIX CFG_TCL_EXPORT_FILE_SUFFIX EXTRA_CFLAGS DEPARG CC_OBJNAME CC_EXENAME LDFLAGS_DEBUG LDFLAGS_OPTIMIZE LDFLAGS_CONSOLE LDFLAGS_WINDOW STLIB_LD SHLIB_LD SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX TCL_SHARED_BUILD LIBS_GUI DLLSUFFIX LIBPREFIX LIBSUFFIX EXESUFFIX LIBRARIES MAKE_LIB MAKE_STUB_LIB POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC TCL_CC_SEARCH_FLAGS TCL_LD_SEARCH_FLAGS TCL_NEEDS_EXP_FILE TCL_BUILD_EXP_FILE TCL_EXP_FILE TCL_LIB_VERSIONS_OK TCL_PACKAGE_PATH TCL_DDE_VERSION TCL_DDE_MAJOR_VERSION TCL_DDE_MINOR_VERSION TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION RC_OUT RC_TYPE RC_INCLUDE RC_DEFINE RC_DEFINES RES LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP AR ac_ct_AR RANLIB ac_ct_RANLIB RC ac_ct_RC SET_MAKE TCL_THREADS CYGPATH CELIB_DIR DL_LIBS CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING CFLAGS_NOLTO ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS TCL_ZLIB_LIB_NAME CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE TCL_WIN_VERSION MACHINE TCL_VERSION TCL_MAJOR_VERSION TCL_MINOR_VERSION TCL_PATCH_LEVEL PKG_CFG_ARGS TCL_EXE TCL_LIB_FILE TCL_LIB_FLAG TCL_STATIC_LIB_FILE TCL_STATIC_LIB_FLAG TCL_IMPORT_LIB_FILE TCL_IMPORT_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCL_STUB_LIB_PATH TCL_INCLUDE_SPEC TCL_BUILD_STUB_LIB_SPEC TCL_BUILD_STUB_LIB_PATH TCL_DLL_FILE TCL_SRC_DIR TCL_BIN_DIR TCL_DBGX CFG_TCL_SHARED_LIB_SUFFIX CFG_TCL_UNSHARED_LIB_SUFFIX CFG_TCL_EXPORT_FILE_SUFFIX EXTRA_CFLAGS DEPARG CC_OBJNAME CC_EXENAME LDFLAGS_DEBUG LDFLAGS_OPTIMIZE LDFLAGS_CONSOLE LDFLAGS_WINDOW STLIB_LD SHLIB_LD SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX TCL_SHARED_BUILD LIBS_GUI DLLSUFFIX LIBPREFIX LIBSUFFIX EXESUFFIX LIBRARIES MAKE_LIB MAKE_STUB_LIB POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC TCL_CC_SEARCH_FLAGS TCL_LD_SEARCH_FLAGS TCL_NEEDS_EXP_FILE TCL_BUILD_EXP_FILE TCL_EXP_FILE TCL_LIB_VERSIONS_OK TCL_PACKAGE_PATH TCL_DDE_VERSION TCL_DDE_MAJOR_VERSION TCL_DDE_MINOR_VERSION TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION RC_OUT RC_TYPE RC_INCLUDE RC_DEFINE RC_DEFINES RES LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -4389,6 +4389,7 @@ else
 
 fi
 
+zlib_lib_name=zdll.lib
 if test "$tcl_ok" = "yes"; then
 
   ZLIB_DLL_FILE=\${ZLIB_DLL_FILE}
@@ -4401,6 +4402,7 @@ if test "$tcl_ok" = "yes"; then
 
         ZLIB_LIBS=\${ZLIB_DIR_NATIVE}/win64-arm/libz.dll.a
 
+        zlib_lib_name=libz.dll.a
 
 else
 
@@ -4416,6 +4418,7 @@ else
 
         ZLIB_LIBS=\${ZLIB_DIR_NATIVE}/win64/libz.dll.a
 
+        zlib_lib_name=libz.dll.a
 
 else
 
@@ -4448,6 +4451,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_ZLIB 1
 _ACEOF
 
+TCL_ZLIB_LIB_NAME=$zlib_lib_name
+
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
 
@@ -6070,6 +6075,7 @@ s,@CFLAGS_NOLTO@,$CFLAGS_NOLTO,;t t
 s,@ZLIB_DLL_FILE@,$ZLIB_DLL_FILE,;t t
 s,@ZLIB_LIBS@,$ZLIB_LIBS,;t t
 s,@ZLIB_OBJS@,$ZLIB_OBJS,;t t
+s,@TCL_ZLIB_LIB_NAME@,$TCL_ZLIB_LIB_NAME,;t t
 s,@CFLAGS_DEFAULT@,$CFLAGS_DEFAULT,;t t
 s,@LDFLAGS_DEFAULT@,$LDFLAGS_DEFAULT,;t t
 s,@VC_MANIFEST_EMBED_DLL@,$VC_MANIFEST_EMBED_DLL,;t t
diff --git a/win/configure.in b/win/configure.in
index 2538a92..3908923 100644
--- a/win/configure.in
+++ b/win/configure.in
@@ -141,18 +141,21 @@ AS_IF([test "${enable_shared+set}" = "set"], [
 ], [
   tcl_ok=yes
 ])
+zlib_lib_name=zdll.lib
 AS_IF([test "$tcl_ok" = "yes"], [
   AC_SUBST(ZLIB_DLL_FILE,[\${ZLIB_DLL_FILE}])
   AS_IF([test "$do64bit" != "no"], [
     AS_IF([test "$do64bit" = "arm64"], [
       AS_IF([test "$GCC" == "yes"],[
         AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64-arm/libz.dll.a])
+        zlib_lib_name=libz.dll.a
       ], [
         AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64-arm/zdll.lib])
       ])
     ], [
       AS_IF([test "$GCC" == "yes"],[
         AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64/libz.dll.a])
+        zlib_lib_name=libz.dll.a
       ], [
         AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64/zdll.lib])
       ])
@@ -164,6 +167,7 @@ AS_IF([test "$tcl_ok" = "yes"], [
   AC_SUBST(ZLIB_OBJS,[\${ZLIB_OBJS}])
 ])
 AC_DEFINE(HAVE_ZLIB, 1, [Is there an installed zlib?])
+AC_SUBST(TCL_ZLIB_LIB_NAME, $zlib_lib_name)
 
 AC_CHECK_TYPE([intptr_t], [
     AC_DEFINE([HAVE_INTPTR_T], 1, [Do we have the intptr_t type?])], [
@@ -481,7 +485,7 @@ AC_SUBST(RC_DEFINE)
 AC_SUBST(RC_DEFINES)
 AC_SUBST(RES)
 
-AC_CONFIG_FILES(Makefile tclConfig.sh tcl.hpj tclsh.exe.manifest)
+AC_CONFIG_FILES([Makefile tclConfig.sh tcl.hpj tclsh.exe.manifest])
 AC_OUTPUT
 
 dnl Local Variables:
diff --git a/win/makefile.vc b/win/makefile.vc
index f8facb1..e79c9cc 100644
--- a/win/makefile.vc
+++ b/win/makefile.vc
@@ -733,6 +733,7 @@ $(OUT_DIR)\tclConfig.sh: $(WIN_DIR)\tclConfig.sh.in
 !else
 @TCL_SHARED_BUILD@   1
 !endif
+@TCL_ZLIB_LIB_NAME@ zdll.lib
 <<
 
 
diff --git a/win/tclConfig.sh.in b/win/tclConfig.sh.in
index 6ed06e2..504f0cb 100644
--- a/win/tclConfig.sh.in
+++ b/win/tclConfig.sh.in
@@ -179,3 +179,5 @@ TCL_STUB_LIB_PATH='@TCL_STUB_LIB_PATH@'
 # Flag, 1: we built Tcl with threads enabled, 0 we didn't
 TCL_THREADS=@TCL_THREADS@
 
+# Name of the zlib library that extensions should use
+TCL_ZLIB_LIB_NAME='@TCL_ZLIB_LIB_NAME@'