silence gcc warning when using -Wwrite-strings

silence gcc warning for non-IEEE platforms
[Patch #3116490] cross-compile Tcl mingw32 on unix.
This makes it possible to cross-compile Tcl/Tk for Windows (either 32-bit or 64-bit) out-of-the-box on UNIX, using mingw-w64 build tools.

1 files changed, 13 insertions, 5 deletions

diff --git a/win/configure b/win/configure
index 472ad1b..0037de6 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 ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE TCL_VERSION TCL_MAJOR_VERSION TCL_MINOR_VERSION TCL_PATCH_LEVEL PKG_CFG_ARGS 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 POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC 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_DDE_PATCH_LEVEL TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION TCL_REG_PATCH_LEVEL 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 ZLIB_DLL_FILE ZLIB_LIBS ZLIB_OBJS CFLAGS_DEFAULT LDFLAGS_DEFAULT VC_MANIFEST_EMBED_DLL VC_MANIFEST_EMBED_EXE 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 POST_MAKE_LIB MAKE_DLL MAKE_EXE TCL_BUILD_LIB_SPEC 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_DDE_PATCH_LEVEL TCL_REG_VERSION TCL_REG_MAJOR_VERSION TCL_REG_MINOR_VERSION TCL_REG_PATCH_LEVEL RC_OUT RC_TYPE RC_INCLUDE RC_DEFINE RC_DEFINES RES LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -4009,10 +4009,6 @@ file for information about building with Mingw." >&2;}
     echo "$as_me:$LINENO: checking compiler flags" >&5
 echo $ECHO_N "checking compiler flags... $ECHO_C" >&6
     if test "${GCC}" = "yes" ; then
-	if test "$do64bit" != "no" ; then
-	    { echo "$as_me:$LINENO: WARNING: 64bit mode not supported with GCC on Windows" >&5
-echo "$as_me: WARNING: 64bit mode not supported with GCC on Windows" >&2;}
-	fi
 	SHLIB_LD=""
 	SHLIB_LD_LIBS='${LIBS}'
 	LIBS="-lnetapi32 -lkernel32 -luser32 -ladvapi32 -lws2_32"
@@ -4491,6 +4487,16 @@ _ACEOF
 
 
 
+# Cross-compiling
+case ${host_alias} in
+*mingw32*)
+    TCL_EXE="tclsh"
+    ;;
+*)
+    TCL_EXE="TCL_LIBRARY=\"\${LIBRARY_DIR}\"; export TCL_LIBRARY; ./\${TCLSH}"
+    ;;
+esac
+
 #------------------------------------------------------------------------
 #	Add stuff for zlib; note that this is mostly done in the makefile now
 #	as we just assume that the platform hasn't got a usable z.lib
@@ -4760,6 +4766,7 @@ fi
 
 
 
+
 # empty on win
 
 
@@ -5514,6 +5521,7 @@ s,@TCL_MAJOR_VERSION@,$TCL_MAJOR_VERSION,;t t
 s,@TCL_MINOR_VERSION@,$TCL_MINOR_VERSION,;t t
 s,@TCL_PATCH_LEVEL@,$TCL_PATCH_LEVEL,;t t
 s,@PKG_CFG_ARGS@,$PKG_CFG_ARGS,;t t
+s,@TCL_EXE@,$TCL_EXE,;t t
 s,@TCL_LIB_FILE@,$TCL_LIB_FILE,;t t
 s,@TCL_LIB_FLAG@,$TCL_LIB_FLAG,;t t
 s,@TCL_STATIC_LIB_FILE@,$TCL_STATIC_LIB_FILE,;t t