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-rw-r--r--Source/kwsys/SystemTools.cxx5
1 files changed, 4 insertions, 1 deletions
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index 5079832..a5d7e2f 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -66,10 +66,13 @@
#endif
// getpwnam doesn't exist on Windows and Cray Xt3/Catamount
+// same for TIOCGWINSZ
#if defined(_WIN32) || defined (__LIBCATAMOUNT__)
# undef HAVE_GETPWNAM
+# undef HAVE_TTY_INFO
#else
# define HAVE_GETPWNAM 1
+# define HAVE_TTY_INFO 1
#endif
@@ -3664,7 +3667,7 @@ bool SystemTools::GetLineFromStream(kwsys_ios::istream& is,
int SystemTools::GetTerminalWidth()
{
int width = -1;
-#ifndef _WIN32
+#ifdef HAVE_TTY_INFO
struct winsize ws;
char *columns; /* Unix98 environment variable */
if(ioctl(1, TIOCGWINSZ, &ws) != -1 && ws.ws_col>0 && ws.ws_row>0)