devel/gmake: sync with upstream

Taken from: HardenedBSD

devel/gmake/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	gmake
 PORTVERSION=	4.3
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	GNU/make
 DISTNAME=	make-${PORTVERSION}

devel/gmake/files/patch-10-4c1009ec

@@ -0,0 +1,32 @@
+Backport of gnulib git commit 4c1009ec93e12ee34acd27f6d7e25442bedc16f2.
+
+When the file found in a PATH element is a directory, continue searching.
+
+--- lib/findprog-in.c.orig	2020-01-19 20:34:01 UTC
++++ lib/findprog-in.c
+@@ -26,6 +26,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <unistd.h>
++#include <sys/stat.h>
+ 
+ #include "filename.h"
+ #include "concat-filename.h"
+@@ -190,6 +191,7 @@ find_in_given_path (const char *progname, const char *
+           dir = ".";
+ 
+         /* Try all platform-dependent suffixes.  */
++        struct stat st;
+         for (i = 0; i < sizeof (suffixes) / sizeof (suffixes[0]); i++)
+           {
+             const char *suffix = suffixes[i];
+@ -208,7 +210,8 @@ find_in_given_path (const char *progname, const char *
+                    use it.  On other systems, let's hope that this program
+                    is not installed setuid or setgid, so that it is ok to
+                    call access() despite its design flaw.  */
+-                if (eaccess (progpathname, X_OK) == 0)
++                if (eaccess (progpathname, X_OK) == 0 &&
++                        stat(progpathname, &st) == 0 && ! S_ISDIR(st.st_mode))
+                   {
+                     /* Found!  */
+                     if (strcmp (progpathname, progname) == 0)