From d4678ffb76df3bc67d3d59fa6015de3ab9d57d67 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Mon, 14 Feb 2022 17:46:54 +0000
Subject: sync win/tcl.m4 and win/rules.vc with Tcl

---
 win/configure | 10 +++++-----
 win/rules.vc  | 11 ++++++++---
 win/tcl.m4    | 14 +++++++-------
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/win/configure b/win/configure
index 6e3d0f2..71fd218 100755
--- a/win/configure
+++ b/win/configure
@@ -3482,7 +3482,7 @@ echo "${ECHO_T}$ac_cv_cross" >&6
 		RC="x86_64-w64-mingw32-windres"
 	    ;;
 	    arm64|aarch64)
-		CC="aarch64-w64-mingw32-${CC}"
+		CC="aarch64-w64-mingw32-clang"
 		LD="aarch64-w64-mingw32-ld"
 		AR="aarch64-w64-mingw32-ar"
 		RANLIB="aarch64-w64-mingw32-ranlib"
@@ -3606,7 +3606,7 @@ echo "${ECHO_T}$ac_cv_win32" >&6
 echo "$as_me: error: ${CC} cannot produce win32 executables." >&2;}
    { (exit 1); exit 1; }; }
 	fi
-	if test "$MACHINE" != "ARM64"; then
+	if test "$do64bit" != "arm64"; then
 	    extra_cflags="$extra_cflags -DHAVE_CPUID=1"
 	fi
 
@@ -3964,9 +3964,9 @@ tcl_win_64bit=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 		if test "$tcl_win_64bit" = "yes" ; then
-			do64bit=amd64
-			MACHINE="AMD64"
-			echo "$as_me:$LINENO: result:    Using 64-bit $MACHINE mode" >&5
+		    do64bit=amd64
+		    MACHINE="AMD64"
+		    echo "$as_me:$LINENO: result:    Using 64-bit $MACHINE mode" >&5
 echo "${ECHO_T}   Using 64-bit $MACHINE mode" >&6
 		fi
 		;;
diff --git a/win/rules.vc b/win/rules.vc
index 2f01de0..f8236f4 100644
--- a/win/rules.vc
+++ b/win/rules.vc
@@ -550,8 +550,10 @@ NMAKEHLPC = $(_TCLDIR)\win\nmakehlp.c
 
 # We always build nmakehlp even if it exists since we do not know
 # what source it was built from.
+!if "$(MACHINE)" == "$(NATIVE_ARCH)"
 !if [$(cc32) -nologo "$(NMAKEHLPC)" -link -subsystem:console > nul]
 !endif
+!endif
 
 ################################################################
 # 5. Test for compiler features
@@ -1379,7 +1381,7 @@ OPTDEFINES	= $(OPTDEFINES) /DUSE_THREAD_ALLOC=1
 OPTDEFINES	= $(OPTDEFINES) /DSTATIC_BUILD
 !elseif $(TCL_VERSION) > 86
 OPTDEFINES	= $(OPTDEFINES) /DTCL_WITH_EXTERNAL_TOMMATH
-!if "$(MACHINE)" == "AMD64"
+!if "$(MACHINE)" == "AMD64" || "$(MACHINE)" == "ARM64"
 OPTDEFINES	= $(OPTDEFINES) /DMP_64BIT
 !endif
 !endif
@@ -1407,7 +1409,7 @@ OPTDEFINES	= $(OPTDEFINES) /DTCL_CFG_OPTIMIZED
 !if $(PROFILE)
 OPTDEFINES	= $(OPTDEFINES) /DTCL_CFG_PROFILED
 !endif
-!if "$(MACHINE)" == "AMD64"
+!if "$(MACHINE)" == "AMD64" || "$(MACHINE)" == "ARM64"
 OPTDEFINES	= $(OPTDEFINES) /DTCL_CFG_DO64BIT
 !endif
 !if $(VCVERSION) < 1300
@@ -1469,7 +1471,7 @@ cdebug = $(cdebug) -Zi
 # cwarn includes default warning levels.
 cwarn = $(WARNINGS)
 
-!if "$(MACHINE)" == "AMD64"
+!if "$(MACHINE)" == "AMD64" || "$(MACHINE)" == "ARM64"
 # Disable pointer<->int warnings related to cast between different sizes
 # There are a gadzillion of these due to use of ClientData and
 # clutter up compiler
@@ -1608,6 +1610,9 @@ DEFAULT_BUILD_TARGET = $(PROJECT)
 
 default-target: $(DEFAULT_BUILD_TARGET)
 
+nmakehlp:
+	$(cc32) -nologo "$(NMAKEHLPC)" -link -subsystem:console
+
 !if $(MULTIPLATFORM_INSTALL)
 default-pkgindex:
 	@echo if {[package vsatisfies [package provide Tcl] 9.0-]} { > $(OUT_DIR)\pkgIndex.tcl
diff --git a/win/tcl.m4 b/win/tcl.m4
index d60e946..ddf57f7 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -30,7 +30,7 @@ AC_DEFUN([SC_PATH_TCLCONFIG], [
 	AC_ARG_WITH(tcl,
 	    AS_HELP_STRING([--with-tcl],
 		[directory containing tcl configuration (tclConfig.sh)]),
-	    with_tclconfig="${withval}")
+	    [with_tclconfig="${withval}"])
 	AC_MSG_CHECKING([for Tcl configuration])
 	AC_CACHE_VAL(ac_cv_c_tclconfig,[
 
@@ -148,7 +148,7 @@ AC_DEFUN([SC_PATH_TKCONFIG], [
 	AC_ARG_WITH(tk,
 	    AS_HELP_STRING([--with-tk],
 		[directory containing tk configuration (tkConfig.sh)]),
-	    with_tkconfig="${withval}")
+	    [with_tkconfig="${withval}"])
 	AC_MSG_CHECKING([for Tk configuration])
 	AC_CACHE_VAL(ac_cv_c_tkconfig,[
 
@@ -583,7 +583,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 		RC="x86_64-w64-mingw32-windres"
 	    ;;
 	    arm64|aarch64)
-		CC="aarch64-w64-mingw32-${CC}"
+		CC="aarch64-w64-mingw32-clang"
 		LD="aarch64-w64-mingw32-ld"
 		AR="aarch64-w64-mingw32-ar"
 		RANLIB="aarch64-w64-mingw32-ranlib"
@@ -649,7 +649,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	if test "$ac_cv_win32" != "yes"; then
 	    AC_MSG_ERROR([${CC} cannot produce win32 executables.])
 	fi
-	if test "$MACHINE" != "ARM64"; then
+	if test "$do64bit" != "arm64"; then
 	    extra_cflags="$extra_cflags -DHAVE_CPUID=1"
 	fi
 
@@ -811,9 +811,9 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 			[tcl_win_64bit=no]
 		)
 		if test "$tcl_win_64bit" = "yes" ; then
-			do64bit=amd64
-			MACHINE="AMD64"
-			AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
+		    do64bit=amd64
+		    MACHINE="AMD64"
+		    AC_MSG_RESULT([   Using 64-bit $MACHINE mode])
 		fi
 		;;
 	esac
-- 
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