termios.h contains the winsize structure we need to determine the
width of a terminal. Don't try to get the width of a terminal if we
don't have this header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72018 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Unix/Process.inc b/lib/System/Unix/Process.inc
index b1286b7..e4f37a1 100644
--- a/lib/System/Unix/Process.inc
+++ b/lib/System/Unix/Process.inc
@@ -27,6 +27,9 @@
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
+#ifdef HAVE_TERMIOS_H
+# include <termios.h>
+#endif
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
@@ -204,7 +207,7 @@
unsigned Columns = 0;
-#ifdef HAVE_SYS_IOCTL_H
+#if defined(HAVE_SYS_IOCTL_H) && defined(HAVE_TERMIOS_H)
// Try to determine the width of the terminal.
struct winsize ws;
if (ioctl(FileID, TIOCGWINSZ, &ws) == 0)