bootstrap jimsh: assume fork() is available on posix platforms

There are very few posix platforms where fork isn't available.

Signed-off-by: Steve Bennett <[email protected]>

Author: msteveb

jim-posix.c

@@ -71,6 +71,7 @@ static int Jim_PosixForkCommand(Jim_Interp *interp, int argc, Jim_Obj *const *ar
 }
 #endif
 
+#if !defined(JIM_BOOTSTRAP)
 static int Jim_PosixGetidsCommand(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 {
     Jim_Obj *objv[8];
@@ -134,15 +135,18 @@ static int Jim_PosixUptimeCommand(Jim_Interp *interp, int argc, Jim_Obj *const *
 #endif
     return JIM_OK;
 }
+#endif /* JIM_BOOTSTRAP */
 
 int Jim_posixInit(Jim_Interp *interp)
 {
     Jim_PackageProvideCheck(interp, "posix");
 #ifdef HAVE_FORK
     Jim_CreateCommand(interp, "os.fork", Jim_PosixForkCommand, NULL, NULL);
 #endif
+#if !defined(JIM_BOOTSTRAP)
     Jim_CreateCommand(interp, "os.getids", Jim_PosixGetidsCommand, NULL, NULL);
     Jim_CreateCommand(interp, "os.gethostname", Jim_PosixGethostnameCommand, NULL, NULL);
     Jim_CreateCommand(interp, "os.uptime", Jim_PosixUptimeCommand, NULL, NULL);
+#endif /* JIM_BOOTSTRAP */
     return JIM_OK;
 }

make-bootstrap-jim

@@ -40,11 +40,11 @@ EOF
     echo "}"
 }
 
-cexts="aio readdir regexp file exec clock array"
+cexts="aio readdir regexp file exec clock array posix"
 tclexts="bootstrap initjimsh glob stdlib tclcompat"
 
 # Note ordering
-allexts="bootstrap aio readdir regexp file glob exec clock array stdlib tclcompat"
+allexts="bootstrap aio readdir regexp file glob exec posix clock array stdlib tclcompat"
 
 echo "/* This is single source file, bootstrap version of Jim Tcl. See http://jim.tcl.tk/ */"
 
@@ -92,7 +92,7 @@ cat <<EOF
 #else
 #define _GNU_SOURCE
 #endif
-#define HAVE_VFORK
+#define HAVE_FORK
 #define HAVE_WAITPID
 #define HAVE_ISATTY
 #define HAVE_MKSTEMP