New function strsignal.

* configure: detect strsignal, producing HAVE_STRSIGNAL symbol
in config.h.

* sysif.c (strsignal_wrap): New function.
(sysif_init): Register strsignal intrinsic.

* txr.1: Documented.

1 files changed, 19 insertions, 0 deletions

diff --git a/configure b/configure
index 7ea5bea0..c2c599f5 100755
--- a/configure
+++ b/configure
@@ -2397,6 +2397,25 @@ else
   printf "no\n"
 fi
 
+printf "Checking for strsignal ... "
+
+cat > conftest.c <<!
+#include <string.h>
+#include <signal.h>
+
+int main(void)
+{
+  const char *s = strsignal(SIGABRT);
+  return 0;
+}
+!
+if conftest ; then
+  printf "yes\n"
+  printf "#define HAVE_STRSIGNAL 1\n" >> config.h
+else
+  printf "no\n"
+fi
+
 printf "Checking for setitimer/getitimer ... "
 
 cat > conftest.c <<!