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-rw-r--r--make.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/make.h b/make.h
index d1a3a69..6ac3981 100644
--- a/make.h
+++ b/make.h
@@ -44,6 +44,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
extern int errno;
#endif
+#ifndef isblank
+#define isblank(c) ((c) == ' ' || (c) == '\t')
+#endif
+
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#ifdef _POSIX_VERSION
@@ -68,12 +72,13 @@ extern char *sys_siglist[];
#include "signame.h"
#endif
-#ifndef isblank
-#define isblank(c) ((c) == ' ' || (c) == '\t')
-#endif
-
-#if !defined(NSIG) && defined(_NSIG)
+/* Some systems do not define NSIG in <signal.h>. */
+#ifndef NSIG
+#ifdef _NSIG
#define NSIG _NSIG
+#else
+#define NSIG 32
+#endif
#endif
#ifndef RETSIGTYPE