New function: mkfifo.

* configure: detect mkfifo.
(sysif_init): Register mkfifo intrinsic.

* txr.1: Documented.

1 files changed, 21 insertions, 0 deletions

diff --git a/configure b/configure
index c3b84a64..69a69e57 100755
--- a/configure
+++ b/configure
@@ -2386,6 +2386,27 @@ else
   printf "no\n"
 fi
 
+printf "Checking for mkfifo ... "
+
+cat > conftest.c <<!
+#include "config.h"
+#if HAVE_SYS_STAT
+#include <sys/stat.h>
+#endif
+
+int main(void)
+{
+  int e = mkfifo("a", 0);
+  return 0;
+}
+!
+if conftest ; then
+  printf "yes\n"
+  printf "#define HAVE_MKFIFO 1\n" >> config.h
+else
+  printf "no\n"
+fi
+
 printf "Checking for chmod/fchmod ... "
 cat > conftest.c <<!
 #include <sys/stat.h>