WIP: Add support for C++

3 files changed, 18 insertions, 5 deletions

diff --git a/unix/configure b/unix/configure
index 8628eec..571b9ec 100755
--- a/unix/configure
+++ b/unix/configure
@@ -4249,7 +4249,12 @@ fi
     if test "$GCC" = yes; then :
 
 	CFLAGS_OPTIMIZE=-O2
-	CFLAGS_WARNING="-Wall -Wwrite-strings -Wsign-compare -Wdeclaration-after-statement -Wpointer-arith"
+	CFLAGS_WARNING="-Wall -Wwrite-strings -Wsign-compare -Wpointer-arith"
+	case "${CC}" in
+	    *++)
+		CFLAGS_WARNING="${CFLAGS_WARNING} -Wunused-parameter"
+		;;
+	esac
 
 else
 
@@ -6196,6 +6201,9 @@ fi
 
     if test "${tcl_cv_type_64bit}" = none ; then
 
+$as_echo "#define MP_32BIT 1" >>confdefs.h
+
+
 $as_echo "#define TCL_WIDE_INT_IS_LONG 1" >>confdefs.h
 
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
diff --git a/unix/tkUnixMenubu.c b/unix/tkUnixMenubu.c
index eb0af47..407dc30 100644
--- a/unix/tkUnixMenubu.c
+++ b/unix/tkUnixMenubu.c
@@ -34,7 +34,9 @@ TkMenuButton *
 TkpCreateMenuButton(
     Tk_Window tkwin)
 {
-    return ckalloc(sizeof(TkMenuButton));
+    (void)tkwin;
+
+    return (TkMenuButton *)ckalloc(sizeof(TkMenuButton));
 }
 
 /*
@@ -58,7 +60,7 @@ void
 TkpDisplayMenuButton(
     ClientData clientData)	/* Information about widget. */
 {
-    TkMenuButton *mbPtr = clientData;
+    TkMenuButton *mbPtr = (TkMenuButton *)clientData;
     GC gc;
     Tk_3DBorder border;
     Pixmap pixmap;
@@ -321,6 +323,7 @@ void
 TkpDestroyMenuButton(
     TkMenuButton *mbPtr)
 {
+    (void)mbPtr;
 }
 
 /*
diff --git a/unix/tkUnixScale.c b/unix/tkUnixScale.c
index ca5183d..b090c4f 100644
--- a/unix/tkUnixScale.c
+++ b/unix/tkUnixScale.c
@@ -52,7 +52,9 @@ TkScale *
 TkpCreateScale(
     Tk_Window tkwin)
 {
-    return ckalloc(sizeof(TkScale));
+    (void)tkwin;
+
+    return (TkScale *)ckalloc(sizeof(TkScale));
 }
 
 /*
@@ -546,7 +548,7 @@ void
 TkpDisplayScale(
     ClientData clientData)	/* Widget record for scale. */
 {
-    TkScale *scalePtr = clientData;
+    TkScale *scalePtr = (TkScale *)clientData;
     Tk_Window tkwin = scalePtr->tkwin;
     Tcl_Interp *interp = scalePtr->interp;
     Pixmap pixmap;