Use EXE_SUFFIX for Cygwin, and

install libtk8.6.dll in bin directory

3 files changed, 118 insertions, 68 deletions

diff --git a/unix/Makefile.in b/unix/Makefile.in
index 317081a..bc9fbf0 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -5,7 +5,7 @@
 # "autoconf" program (constructs like "@foo@" will get replaced in the
 # actual Makefile.
 #
-# RCS: @(#) $Id: Makefile.in,v 1.164 2009/11/23 16:09:33 dkf Exp $
+# RCS: @(#) $Id: Makefile.in,v 1.165 2009/12/23 07:16:52 nijtmans Exp $
 
 # Current Tk version;  used in various names.
 
@@ -208,7 +208,9 @@ BUILD_TCLSH		= @BUILD_TCLSH@
 # need it to be available on the PATH. This executable should *NOT* be
 # required just to do a normal build although it can be required to run
 # make dist. This variable is set to "" if no tclsh is available.
+EXE_SUFFIX		= @EXE_SUFFIX@
 TCL_EXE			= @TCLSH_PROG@
+WISH_EXE		= wish${EXE_SUFFIX}
 
 # Tk used to let the configure script choose which program to use
 # for installing, but there are just too many different versions of
@@ -570,7 +572,7 @@ SHELL_ENV = \
 
 all: binaries libraries doc
 
-binaries: ${LIB_FILE} ${STUB_LIB_FILE} ${TK_BUILD_EXP_FILE} wish
+binaries: ${LIB_FILE} ${STUB_LIB_FILE} ${TK_BUILD_EXP_FILE} ${WISH_EXE}
 
 libraries:
 
@@ -611,9 +613,9 @@ tkLibObjs:
 objs: ${OBJS}
 
 
-wish: $(WISH_OBJS) $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) @APP_RSRC_FILE@
+${WISH_EXE}: $(WISH_OBJS) $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) @APP_RSRC_FILE@
 	${CC} ${CFLAGS} ${LDFLAGS} $(WISH_OBJS) @TK_BUILD_LIB_SPEC@ \
-		$(WISH_LIBS) $(CC_SEARCH_FLAGS) -o wish
+		$(WISH_LIBS) $(CC_SEARCH_FLAGS) -o ${WISH_EXE}
 
 # Resetting the LIB_RUNTIME_DIR below is required so that
 # the generated tktest executable gets the build directory
@@ -621,12 +623,12 @@ wish: $(WISH_OBJS) $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) @APP_RSRC_FILE@
 # picking up an already installed version of the Tcl or
 # Tk shared libraries.
 
-tktest: $(TKTEST_OBJS) $(TK_LIB_FILE)
+tktest${EXE_SUFFIX}: $(TKTEST_OBJS) $(TK_LIB_FILE)
 	$(MAKE) tktest-real LIB_RUNTIME_DIR="`pwd`:$(TCL_BIN_DIR)"
 
 tktest-real: ${TK_STUB_LIB_FILE}
 	${CC} ${CFLAGS} ${LDFLAGS} $(TKTEST_OBJS) ${TK_STUB_LIB_FILE} ${TCL_STUB_LIB_SPEC} @TK_BUILD_LIB_SPEC@ \
-		$(WISH_LIBS) $(CC_SEARCH_FLAGS) -o tktest
+		$(WISH_LIBS) $(CC_SEARCH_FLAGS) -o tktest${EXE_SUFFIX}
 
 # # FIXME: This xttest rule seems to be broken in a number of ways.  It should
 # # use CC_SEARCH_FLAGS, it does not include the shared lib location logic from
@@ -646,41 +648,41 @@ tktest-real: ${TK_STUB_LIB_FILE}
 
 test: test-classic test-ttk
 
-test-classic: tktest
-	$(SHELL_ENV) ./tktest $(TEST_DIR)/all.tcl -geometry +0+0 $(TESTFLAGS)
+test-classic: tktest${EXE_SUFFIX}
+	$(SHELL_ENV) ./tktest${EXE_SUFFIX} $(TEST_DIR)/all.tcl -geometry +0+0 $(TESTFLAGS)
 
-test-ttk: tktest
-	$(SHELL_ENV) ./tktest $(TEST_DIR)/ttk/all.tcl -geometry +0+0 \
+test-ttk: tktest${EXE_SUFFIX}
+	$(SHELL_ENV) ./tktest${EXE_SUFFIX} $(TEST_DIR)/ttk/all.tcl -geometry +0+0 \
 	$(TESTFLAGS)
 
 # Tests with different languages
-testlang: tktest
+testlang: tktest${EXE_SUFFIX}
 	$(SHELL_ENV) \
 	for lang in $(LOCALES) ;  \
 	do \
 	LANG=$(lang); export LANG; \
-	./tktest $(TEST_DIR)/all.tcl -geometry +0+0 \
+	./tktest${EXE_SUFFIX} $(TEST_DIR)/all.tcl -geometry +0+0 \
 	$(TESTFLAGS); \
 	done
 
 # Useful target to launch a built tktest with the proper path,...
-runtest: tktest
-	$(SHELL_ENV) ./tktest
+runtest: tktest${EXE_SUFFIX}
+	$(SHELL_ENV) ./tktest${EXE_SUFFIX}
 
 # This target can be used to run wish from the build directory
 # via `make shell` or `make shell SCRIPT=/tmp/foo.tcl`
-shell: wish
-	$(SHELL_ENV) ./wish $(SCRIPT)
+shell: ${WISH_EXE}
+	$(SHELL_ENV) ./${WISH_EXE} $(SCRIPT)
 
 demo:
-	$(SHELL_ENV) ./wish $(TOP_DIR)/library/demos/widget
+	$(SHELL_ENV) ./${WISH_EXE} $(TOP_DIR)/library/demos/widget
 
 # This target can be used to run wish inside either gdb or insight
-gdb: wish
+gdb: ${WISH_EXE}
 	@echo "set env @LD_LIBRARY_PATH_VAR@=\"`pwd`:${TCL_BIN_DIR}:$${@LD_LIBRARY_PATH_VAR@}\"" > gdb.run
 	@echo "set env TCL_LIBRARY=@TCL_SRC_DIR@/library" >> gdb.run
 	@echo "set env TK_LIBRARY=@TK_SRC_DIR@/library" >> gdb.run
-	gdb ./wish --command=gdb.run
+	gdb ./${WISH_EXE} --command=gdb.run
 	rm gdb.run
 
 INSTALL_TARGETS = install-binaries install-libraries install-demos install-doc @EXTRA_INSTALL@
@@ -696,7 +698,7 @@ install-strip:
 # some ranlibs write to current directory, and this might not always be
 # possible (e.g. if installing as root).
 
-install-binaries: $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) $(TK_BUILD_EXP_FILE) wish
+install-binaries: $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) $(TK_BUILD_EXP_FILE) ${WISH_EXE}
 	@for i in "$(LIB_INSTALL_DIR)" "$(BIN_INSTALL_DIR)" \
 	    "$(PKG_INSTALL_DIR)" "$(CONFIG_INSTALL_DIR)" ; \
 	    do \
@@ -714,23 +716,22 @@ install-binaries: $(TK_LIB_FILE) $(TK_STUB_LIB_FILE) $(TK_BUILD_EXP_FILE) wish
 	    echo "Creating package index $(PKG_INDEX)"; \
 	    rm -f "$(PKG_INDEX)"; \
 	    (\
-	    echo "if {[catch {package present Tcl\
-		$(TCLVERSION)$(TCLPATCHL)}]} { return }";\
+	    echo "if {[catch {package present Tcl $(TCLVERSION)$(TCLPATCHL)}]} return";\
 	    relative=`echo | awk '{ORS=" "; split("$(TK_PKG_DIR)",a,"/"); for (f in a) {print ".."}}'`;\
 	    echo "package ifneeded Tk $(MAJOR_VERSION).$(MINOR_VERSION)$(PATCH_LEVEL)\
 		[list load [file join \$$dir $${relative}$(TK_LIB_FILE)] Tk]";\
 	    ) > "$(PKG_INDEX)"; \
 	    fi
-	@echo "Installing $(LIB_FILE) to $(LIB_INSTALL_DIR)/"
+	@echo "Installing $(LIB_FILE) to @DLL_INSTALL_DIR@/"
 	@@INSTALL_LIB@
-	@chmod 555 "$(LIB_INSTALL_DIR)"/$(LIB_FILE)
+	@chmod 555 "@DLL_INSTALL_DIR@"/$(LIB_FILE)
 	@if test "$(TK_BUILD_EXP_FILE)" != ""; then \
 	    echo "Installing $(TK_EXP_FILE) to $(LIB_INSTALL_DIR)/"; \
 	    $(INSTALL_DATA) $(TK_BUILD_EXP_FILE) \
 			"$(LIB_INSTALL_DIR)"/$(TK_EXP_FILE); \
 	    fi
-	@echo "Installing wish as $(BIN_INSTALL_DIR)/wish$(VERSION)"
-	@$(INSTALL_PROGRAM) wish "$(BIN_INSTALL_DIR)"/wish$(VERSION)
+	@echo "Installing ${WISH_EXE} as $(BIN_INSTALL_DIR)/wish$(VERSION)${EXE_SUFFIX}"
+	@$(INSTALL_PROGRAM) ${WISH_EXE} "$(BIN_INSTALL_DIR)"/wish$(VERSION)${EXE_SUFFIX}
 	@echo "Installing tkConfig.sh to $(CONFIG_INSTALL_DIR)/"
 	@$(INSTALL_DATA) tkConfig.sh "$(CONFIG_INSTALL_DIR)"/tkConfig.sh
 	@if test "$(STUB_LIB_FILE)" != "" ; then \
@@ -881,7 +882,7 @@ Makefile: $(UNIX_DIR)/Makefile.in
 
 clean:
 	rm -f *.a *.o libtk* core errs *~ \#* TAGS *.E a.out \
-		errors wish tktest lib.exp Tk *.rsrc
+		errors ${WISH_EXE} tktest${EXE_SUFFIX} lib.exp Tk *.rsrc
 
 distclean: clean
 	rm -rf Makefile config.status config.cache config.log tkConfig.sh \
@@ -898,7 +899,7 @@ depend:
 # execute concurrently with the renaming and recompiling of that same object
 # file in the target below.
 
-tkTestInit.o: $(UNIX_DIR)/tkAppInit.c wish
+tkTestInit.o: $(UNIX_DIR)/tkAppInit.c ${WISH_EXE}
 	@if test -f tkAppInit.o ; then \
 	    rm -f tkAppInit.sav; \
 	    mv tkAppInit.o tkAppInit.sav; \
diff --git a/unix/configure b/unix/configure
index 52a26f1..de0ff4a 100755
--- a/unix/configure
+++ b/unix/configure
@@ -308,7 +308,7 @@ 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 TCL_VERSION TCL_PATCH_LEVEL TCL_BIN_DIR TCL_SRC_DIR TCL_LIB_FILE TCL_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCLSH_PROG BUILD_TCLSH MAN_FLAGS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP TCL_THREADS RANLIB ac_ct_RANLIB AR LIBOBJS TCL_LIBS DL_LIBS DL_OBJS PLAT_OBJS PLAT_SRCS LDAIX_SRC CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING LDFLAGS_DEBUG LDFLAGS_OPTIMIZE CC_SEARCH_FLAGS LD_SEARCH_FLAGS STLIB_LD SHLIB_LD TCL_SHLIB_LD_EXTRAS TK_SHLIB_LD_EXTRAS SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX MAKE_LIB MAKE_STUB_LIB INSTALL_LIB INSTALL_STUB_LIB CFLAGS_DEFAULT LDFLAGS_DEFAULT XFT_CFLAGS XFT_LIBS UNIX_FONT_OBJS TK_VERSION TK_MAJOR_VERSION TK_MINOR_VERSION TK_PATCH_LEVEL TK_YEAR TK_LIB_FILE TK_LIB_FLAG TK_LIB_SPEC TK_STUB_LIB_FILE TK_STUB_LIB_FLAG TK_STUB_LIB_SPEC TK_STUB_LIB_PATH TK_INCLUDE_SPEC TK_BUILD_STUB_LIB_SPEC TK_BUILD_STUB_LIB_PATH TK_SRC_DIR TK_SHARED_BUILD LD_LIBRARY_PATH_VAR TK_BUILD_LIB_SPEC TK_BUILD_EXP_FILE TK_EXP_FILE TCL_STUB_FLAGS XINCLUDES XLIBSW LOCALES TK_WINDOWINGSYSTEM TK_PKG_DIR TK_LIBRARY PRIVATE_INCLUDE_DIR HTML_DIR EXTRA_CC_SWITCHES EXTRA_APP_CC_SWITCHES EXTRA_INSTALL EXTRA_INSTALL_BINARIES EXTRA_BUILD_HTML EXTRA_WISH_LIBS EXTRA_AQUA_OBJS EXTRA_AQUA_SRCS CFBUNDLELOCALIZATIONS MACOSX_SRC_DIR TK_RSRC_FILE WISH_RSRC_FILE LIB_RSRC_FILE APP_RSRC_FILE REZ REZ_FLAGS 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 TCL_VERSION TCL_PATCH_LEVEL TCL_BIN_DIR TCL_SRC_DIR TCL_LIB_FILE TCL_LIB_FLAG TCL_LIB_SPEC TCL_STUB_LIB_FILE TCL_STUB_LIB_FLAG TCL_STUB_LIB_SPEC TCLSH_PROG BUILD_TCLSH MAN_FLAGS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP TCL_THREADS RANLIB ac_ct_RANLIB AR LIBOBJS TCL_LIBS DL_LIBS DL_OBJS PLAT_OBJS PLAT_SRCS LDAIX_SRC CFLAGS_DEBUG CFLAGS_OPTIMIZE CFLAGS_WARNING LDFLAGS_DEBUG LDFLAGS_OPTIMIZE CC_SEARCH_FLAGS LD_SEARCH_FLAGS STLIB_LD SHLIB_LD TCL_SHLIB_LD_EXTRAS TK_SHLIB_LD_EXTRAS SHLIB_LD_LIBS SHLIB_CFLAGS SHLIB_SUFFIX EXE_SUFFIX MAKE_LIB MAKE_STUB_LIB INSTALL_LIB DLL_INSTALL_DIR INSTALL_STUB_LIB CFLAGS_DEFAULT LDFLAGS_DEFAULT XFT_CFLAGS XFT_LIBS UNIX_FONT_OBJS TK_VERSION TK_MAJOR_VERSION TK_MINOR_VERSION TK_PATCH_LEVEL TK_YEAR TK_LIB_FILE TK_LIB_FLAG TK_LIB_SPEC TK_STUB_LIB_FILE TK_STUB_LIB_FLAG TK_STUB_LIB_SPEC TK_STUB_LIB_PATH TK_INCLUDE_SPEC TK_BUILD_STUB_LIB_SPEC TK_BUILD_STUB_LIB_PATH TK_SRC_DIR TK_SHARED_BUILD LD_LIBRARY_PATH_VAR TK_BUILD_LIB_SPEC TK_BUILD_EXP_FILE TK_EXP_FILE TCL_STUB_FLAGS XINCLUDES XLIBSW LOCALES TK_WINDOWINGSYSTEM TK_PKG_DIR TK_LIBRARY PRIVATE_INCLUDE_DIR HTML_DIR EXTRA_CC_SWITCHES EXTRA_APP_CC_SWITCHES EXTRA_INSTALL EXTRA_INSTALL_BINARIES EXTRA_BUILD_HTML EXTRA_WISH_LIBS EXTRA_AQUA_OBJS EXTRA_AQUA_SRCS CFBUNDLELOCALIZATIONS MACOSX_SRC_DIR TK_RSRC_FILE WISH_RSRC_FILE LIB_RSRC_FILE APP_RSRC_FILE REZ REZ_FLAGS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -4511,6 +4511,7 @@ fi
     # Step 3: set configuration options based on system name and version.
 
     do64bit_ok=no
+    EXE_SUFFIX=""
     LDFLAGS_ORIG="$LDFLAGS"
     # When ld needs options to work in 64-bit mode, put them in
     # LDFLAGS_ARCH so they eventually end up in LDFLAGS even if [load]
@@ -4893,6 +4894,17 @@ fi
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
 	    ;;
+	CYGWIN_*)
+	    SHLIB_CFLAGS=""
+	    SHLIB_LD='${CC} -shared'
+	    SHLIB_LD_LIBS='${LIBS}'
+	    SHLIB_SUFFIX=".dll"
+	    EXE_SUFFIX=".exe"
+	    DL_OBJS="tclLoadDl.o"
+	    DL_LIBS="-ldl"
+	    CC_SEARCH_FLAGS=""
+	    LD_SEARCH_FLAGS=""
+	    ;;
 	dgux*)
 	    SHLIB_CFLAGS="-K PIC"
 	    SHLIB_LD='${CC} -G'
@@ -6826,6 +6838,7 @@ fi
 	case $system in
 	    AIX-*) ;;
 	    BSD/OS*) ;;
+	    CYGWIN_*) ;;
 	    IRIX*) ;;
 	    NetBSD-*|FreeBSD-*) ;;
 	    Darwin-*) ;;
@@ -6845,12 +6858,23 @@ fi
 	UNSHARED_LIB_SUFFIX='${VERSION}.a'
 fi
 
+	DLL_INSTALL_DIR="\$(LIB_INSTALL_DIR)"
 
     if test "${SHARED_BUILD}" = 1 -a "${SHLIB_SUFFIX}" != ""; then
 
         LIB_SUFFIX=${SHARED_LIB_SUFFIX}
         MAKE_LIB='${SHLIB_LD} -o $@ ${OBJS} ${SHLIB_LD_LIBS} ${TCL_SHLIB_LD_EXTRAS} ${TK_SHLIB_LD_EXTRAS} ${LD_SEARCH_FLAGS}'
-        INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(LIB_INSTALL_DIR)"/$(LIB_FILE)'
+        if test "${SHLIB_SUFFIX}" = ".dll"; then
+
+            INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(BIN_INSTALL_DIR)"/$(LIB_FILE)'
+            DLL_INSTALL_DIR="\$(BIN_INSTALL_DIR)"
+
+else
+
+            INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(LIB_INSTALL_DIR)"/$(LIB_FILE)'
+
+fi
+
 
 else
 
@@ -6924,6 +6948,7 @@ fi
 
 
 
+
 cat >>confdefs.h <<_ACEOF
 #define TCL_SHLIB_EXT "${SHLIB_SUFFIX}"
 _ACEOF
@@ -6937,6 +6962,7 @@ _ACEOF
 
 
 
+
     echo "$as_me:$LINENO: checking for build with symbols" >&5
 echo $ECHO_N "checking for build with symbols... $ECHO_C" >&6
     # Check whether --enable-symbols or --disable-symbols was given.
@@ -11834,9 +11860,11 @@ s,@TK_SHLIB_LD_EXTRAS@,$TK_SHLIB_LD_EXTRAS,;t t
 s,@SHLIB_LD_LIBS@,$SHLIB_LD_LIBS,;t t
 s,@SHLIB_CFLAGS@,$SHLIB_CFLAGS,;t t
 s,@SHLIB_SUFFIX@,$SHLIB_SUFFIX,;t t
+s,@EXE_SUFFIX@,$EXE_SUFFIX,;t t
 s,@MAKE_LIB@,$MAKE_LIB,;t t
 s,@MAKE_STUB_LIB@,$MAKE_STUB_LIB,;t t
 s,@INSTALL_LIB@,$INSTALL_LIB,;t t
+s,@DLL_INSTALL_DIR@,$DLL_INSTALL_DIR,;t t
 s,@INSTALL_STUB_LIB@,$INSTALL_STUB_LIB,;t t
 s,@CFLAGS_DEFAULT@,$CFLAGS_DEFAULT,;t t
 s,@LDFLAGS_DEFAULT@,$LDFLAGS_DEFAULT,;t t
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 6c23ace..8bb395e 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -265,7 +265,7 @@ AC_DEFUN([SC_PATH_TKCONFIG], [
 #	Load the tclConfig.sh file
 #
 # Arguments:
-#	
+#
 #	Requires the following vars to be set:
 #		TCL_BIN_DIR
 #
@@ -351,7 +351,7 @@ AC_DEFUN([SC_LOAD_TCLCONFIG], [
 #	Load the tkConfig.sh file
 #
 # Arguments:
-#	
+#
 #	Requires the following vars to be set:
 #		TK_BIN_DIR
 #
@@ -506,7 +506,7 @@ AC_DEFUN([SC_BUILD_TCLSH], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Adds the following arguments to configure:
@@ -551,7 +551,7 @@ AC_DEFUN([SC_ENABLE_SHARED], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Adds the following arguments to configure:
@@ -599,7 +599,7 @@ AC_DEFUN([SC_ENABLE_FRAMEWORK], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Adds the following arguments to configure:
@@ -705,13 +705,13 @@ AC_DEFUN([SC_ENABLE_THREADS], [
 #
 # Arguments:
 #	none
-#	
+#
 #	Requires the following vars to be set in the Makefile:
 #		CFLAGS_DEBUG
 #		CFLAGS_OPTIMIZE
 #		LDFLAGS_DEBUG
 #		LDFLAGS_OPTIMIZE
-#	
+#
 # Results:
 #
 #	Adds the following arguments to configure:
@@ -779,7 +779,7 @@ AC_DEFUN([SC_ENABLE_SYMBOLS], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Adds the following arguments to configure:
@@ -809,14 +809,14 @@ AC_DEFUN([SC_ENABLE_LANGINFO], [
 	if test $tcl_cv_langinfo_h = yes; then
 	    AC_DEFINE(HAVE_LANGINFO, 1, [Do we have nl_langinfo()?])
 	fi
-    else 
+    else
 	AC_MSG_RESULT([$langinfo_ok])
     fi
 ])
 
 #--------------------------------------------------------------------
 # SC_CONFIG_MANPAGES
-#	
+#
 #	Decide whether to use symlinks for linking the manpages,
 #	whether to compress the manpages after installation, and
 #	whether to add a package name suffix to the installed
@@ -990,7 +990,7 @@ AC_DEFUN([SC_CONFIG_SYSTEM], [
 # TCL_SHLIB_LD_EXTRAS - Additional element which are added to SHLIB_LD_LIBS
 #  TK_SHLIB_LD_EXTRAS   for the build of Tcl and Tk, but not recorded in the
 #                       tclConfig.sh, since they are only used for the build
-#                       of Tcl and Tk. 
+#                       of Tcl and Tk.
 #                       Examples: MacOS X records the library version and
 #                       compatibility version in the shared library.  But
 #                       of course the Tcl version of this is only used for Tcl.
@@ -1090,6 +1090,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
     # Step 3: set configuration options based on system name and version.
 
     do64bit_ok=no
+    EXE_SUFFIX=""
     LDFLAGS_ORIG="$LDFLAGS"
     # When ld needs options to work in 64-bit mode, put them in
     # LDFLAGS_ARCH so they eventually end up in LDFLAGS even if [load]
@@ -1246,6 +1247,17 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    CC_SEARCH_FLAGS=""
 	    LD_SEARCH_FLAGS=""
 	    ;;
+	CYGWIN_*)
+	    SHLIB_CFLAGS=""
+	    SHLIB_LD='${CC} -shared'
+	    SHLIB_LD_LIBS='${LIBS}'
+	    SHLIB_SUFFIX=".dll"
+	    EXE_SUFFIX=".exe"
+	    DL_OBJS="tclLoadDl.o"
+	    DL_LIBS="-ldl"
+	    CC_SEARCH_FLAGS=""
+	    LD_SEARCH_FLAGS=""
+	    ;;
 	dgux*)
 	    SHLIB_CFLAGS="-K PIC"
 	    SHLIB_LD='${CC} -G'
@@ -1407,7 +1419,7 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    SHLIB_SUFFIX=".so"
 
 	    CFLAGS_OPTIMIZE="-O2"
-	    # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings 
+	    # egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings
 	    # when you inline the string and math operations.  Turn this off to
 	    # get rid of the warnings.
 	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
@@ -1672,8 +1684,8 @@ dnl AC_CHECK_TOOL(AR, ar)
 			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc64 / /g" -e "s/-arch x86_64 / /g"`"'
 			done])
 		    LIBS="$LIBS -framework CoreFoundation"
-		    AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>], 
-			[CFBundleRef b = CFBundleGetMainBundle();], 
+		    AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>],
+			[CFBundleRef b = CFBundleGetMainBundle();],
 			tcl_cv_lib_corefoundation=yes,
 			tcl_cv_lib_corefoundation=no)
 		    AS_IF([test "$fat_32_64" = yes], [
@@ -1683,7 +1695,7 @@ dnl AC_CHECK_TOOL(AR, ar)
 		    LIBS=$hold_libs])
 		AS_IF([test $tcl_cv_lib_corefoundation = yes], [
 		    LIBS="$LIBS -framework CoreFoundation"
-		    AC_DEFINE(HAVE_COREFOUNDATION, 1, 
+		    AC_DEFINE(HAVE_COREFOUNDATION, 1,
 			[Do we have access to Darwin CoreFoundation.framework?])
 		], [tcl_corefoundation=no])
 		AS_IF([test "$fat_32_64" = yes -a $tcl_corefoundation = yes],[
@@ -1692,8 +1704,8 @@ dnl AC_CHECK_TOOL(AR, ar)
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
 			    eval 'hold_'$v'="$'$v'";'$v'="`echo "$'$v' "|sed -e "s/-arch ppc / /g" -e "s/-arch i386 / /g"`"'
 			done
-			AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>], 
-			    [CFBundleRef b = CFBundleGetMainBundle();], 
+			AC_TRY_LINK([#include <CoreFoundation/CoreFoundation.h>],
+			    [CFBundleRef b = CFBundleGetMainBundle();],
 			    tcl_cv_lib_corefoundation_64=yes,
 			    tcl_cv_lib_corefoundation_64=no)
 			for v in CFLAGS CPPFLAGS LDFLAGS; do
@@ -1721,7 +1733,7 @@ dnl AC_CHECK_TOOL(AR, ar)
 	    CFLAGS_OPTIMIZE=""		# Optimizer is buggy
 	    AC_DEFINE(_OE_SOCKETS, 1,	# needed in sys/socket.h
 		[Should OS/390 do the right thing with sockets?])
-	    ;;      
+	    ;;
 	OSF1-1.0|OSF1-1.1|OSF1-1.2)
 	    # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
 	    SHLIB_CFLAGS=""
@@ -2046,6 +2058,7 @@ dnl # preprocessing tests use only CPPFLAGS.
 	case $system in
 	    AIX-*) ;;
 	    BSD/OS*) ;;
+	    CYGWIN_*) ;;
 	    IRIX*) ;;
 	    NetBSD-*|FreeBSD-*) ;;
 	    Darwin-*) ;;
@@ -2057,11 +2070,17 @@ dnl # preprocessing tests use only CPPFLAGS.
 	SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'])
     AS_IF([test "$UNSHARED_LIB_SUFFIX" = ""], [
 	UNSHARED_LIB_SUFFIX='${VERSION}.a'])
+	DLL_INSTALL_DIR="\$(LIB_INSTALL_DIR)"
 
     AS_IF([test "${SHARED_BUILD}" = 1 -a "${SHLIB_SUFFIX}" != ""], [
         LIB_SUFFIX=${SHARED_LIB_SUFFIX}
         MAKE_LIB='${SHLIB_LD} -o [$]@ ${OBJS} ${SHLIB_LD_LIBS} ${TCL_SHLIB_LD_EXTRAS} ${TK_SHLIB_LD_EXTRAS} ${LD_SEARCH_FLAGS}'
-        INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(LIB_INSTALL_DIR)"/$(LIB_FILE)'
+        AS_IF([test "${SHLIB_SUFFIX}" = ".dll"], [
+            INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(BIN_INSTALL_DIR)"/$(LIB_FILE)'
+            DLL_INSTALL_DIR="\$(BIN_INSTALL_DIR)"
+        ], [
+            INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) "$(LIB_INSTALL_DIR)"/$(LIB_FILE)'
+        ])
     ], [
         LIB_SUFFIX=${UNSHARED_LIB_SUFFIX}
 
@@ -2117,12 +2136,14 @@ dnl # preprocessing tests use only CPPFLAGS.
     AC_SUBST(SHLIB_LD_LIBS)
     AC_SUBST(SHLIB_CFLAGS)
     AC_SUBST(SHLIB_SUFFIX)
+    AC_SUBST(EXE_SUFFIX)
     AC_DEFINE_UNQUOTED(TCL_SHLIB_EXT,"${SHLIB_SUFFIX}",
 	[What is the default extension for shared libraries?])
 
     AC_SUBST(MAKE_LIB)
     AC_SUBST(MAKE_STUB_LIB)
     AC_SUBST(INSTALL_LIB)
+    AC_SUBST(DLL_INSTALL_DIR)
     AC_SUBST(INSTALL_STUB_LIB)
     AC_SUBST(RANLIB)
 ])
@@ -2138,7 +2159,7 @@ dnl # preprocessing tests use only CPPFLAGS.
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Defines only one of the following vars:
@@ -2257,7 +2278,7 @@ int main() {
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Defines some of the following vars:
@@ -2343,7 +2364,7 @@ closedir(d);
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Sets the the following vars:
@@ -2421,13 +2442,13 @@ AC_DEFUN([SC_PATH_X], [
 # SC_BLOCKING_STYLE
 #
 #	The statements below check for systems where POSIX-style
-#	non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. 
+#	non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented.
 #	On these systems (mostly older ones), use the old BSD-style
 #	FIONBIO approach instead.
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Defines some of the following vars:
@@ -2471,7 +2492,7 @@ AC_DEFUN([SC_BLOCKING_STYLE], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Defines some of the following vars:
@@ -2542,7 +2563,7 @@ AC_DEFUN([SC_TIME_HANDLER], [
 #
 # Arguments:
 #	none
-#	
+#
 # Results:
 #
 #	Might defines some of the following vars:
@@ -2592,7 +2613,7 @@ AC_DEFUN([SC_BUGGY_STRTOD], [
 #
 # Arguments:
 #	None.
-#	
+#
 # Results:
 #
 #	Might append to the following vars:
@@ -2665,7 +2686,7 @@ AC_DEFUN([SC_TCL_LINK_LIBS], [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -2711,7 +2732,7 @@ AC_DEFUN([SC_TCL_EARLY_FLAGS],[
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -2733,8 +2754,8 @@ AC_DEFUN([SC_TCL_64BIT_FLAGS], [
 	# See if we should use long anyway  Note that we substitute in the
 	# type that is our current guess for a 64-bit type inside this check
 	# program, so it should be modified only carefully...
-        AC_TRY_COMPILE(,[switch (0) { 
-            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ; 
+        AC_TRY_COMPILE(,[switch (0) {
+            case 1: case (sizeof(]${tcl_type_64bit}[)==sizeof(long)): ;
         }],tcl_cv_type_64bit=${tcl_type_64bit})])
     if test "${tcl_cv_type_64bit}" = none ; then
 	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Are wide integers to be implemented with C 'long's?])
@@ -2853,7 +2874,7 @@ AC_DEFUN([SC_TCL_CHECK_BROKEN_FUNC],[
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -2920,7 +2941,7 @@ AC_DEFUN([SC_TCL_GETHOSTBYADDR_R], [AC_CHECK_FUNC(gethostbyaddr_r, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -2996,7 +3017,7 @@ AC_DEFUN([SC_TCL_GETHOSTBYNAME_R], [AC_CHECK_FUNC(gethostbyname_r, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #	Might define the following vars:
 #		HAVE_GETADDRINFO
@@ -3028,7 +3049,7 @@ AC_DEFUN([SC_TCL_GETADDRINFO], [AC_CHECK_FUNC(getaddrinfo, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -3088,7 +3109,7 @@ AC_DEFUN([SC_TCL_GETPWUID_R], [AC_CHECK_FUNC(getpwuid_r, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -3148,7 +3169,7 @@ AC_DEFUN([SC_TCL_GETPWNAM_R], [AC_CHECK_FUNC(getpwnam_r, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars:
@@ -3208,7 +3229,7 @@ AC_DEFUN([SC_TCL_GETGRGID_R], [AC_CHECK_FUNC(getgrgid_r, [
 #
 # Arguments:
 #	None
-#	
+#
 # Results:
 #
 #	Might define the following vars: