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authorjan.nijtmans <nijtmans@users.sourceforge.net>2019-07-10 21:02:58 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2019-07-10 21:02:58 (GMT)
commit0ac369da08268513bd59ff640a4effd77027a012 (patch)
tree30edefc336e6c808c0c3967fc0c1790730defb60 /generic/tclBasic.c
parent5c69fce733edf887bb423858dcfc950581ea3427 (diff)
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little tweaks, makeing it possible to use either _USE_64BIT_TIME_T or __MINGW_USE_VC2005_COMPAT interchangably.
Put some more remarks, making it more clear what the effect of this is.
Diffstat (limited to 'generic/tclBasic.c')
-rw-r--r--generic/tclBasic.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 5ca4b82..f59c161 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -413,21 +413,24 @@ Tcl_CreateInterp(void)
Tcl_Panic("Tcl_CallFrame must not be smaller than CallFrame");
}
-#if defined(_WIN32) && !defined(_WIN64)
- if (sizeof(time_t) == 4 || sizeof(time_t) == 8) {
- Tcl_StatBuf buf;
- if (
- sizeof(buf.st_atime) != sizeof(time_t) ||
- sizeof(buf.st_mtime) != sizeof(time_t) ||
- sizeof(buf.st_ctime) != sizeof(time_t)
- ) {
- /*NOTREACHED*/
- Tcl_Panic("<sys/stat.h> is not compatible with MSVC");
- }
- } else {
+#if defined(_WIN32) && !defined(_WIN64) && !defined(_USE_64BIT_TIME_T) \
+ && !defined(__MINGW_USE_VC2005_COMPAT)
+ /* If Tcl is compiled on Win32 using -D_USE_64BIT_TIME_T or
+ * -D__MINGW_USE_VC2005_COMPAT, the result is a binary incompatible
+ * with the 'standard' build of Tcl: All extensions using Tcl_StatBuf
+ * or interal functions like TclpGetDate() need to be recompiled in
+ * the same way. Therefore, this is not officially supported.
+ * In stead, it is recommended to use Win64 or Tcl 9.0 (not released yet)
+ */
+ if (sizeof(time_t) != 4) {
/*NOTREACHED*/
Tcl_Panic("<time.h> is not compatible with MSVC");
}
+ if ((TclOffset(Tcl_StatBuf,st_atime) != 32)
+ || (TclOffset(Tcl_StatBuf,st_ctime) != 40)) {
+ /*NOTREACHED*/
+ Tcl_Panic("<sys/stat.h> is not compatible with MSVC");
+ }
#endif
/*