EXEC_PREFER_APPLETS support by Gabriel L. Somlo <somlo@cmu.edu>

coreutils/chroot.c

@@ -33,6 +33,6 @@ int chroot_main(int argc, char **argv)
 		argv[1] = (char *) "-i";
 	}
 
-	execvp(*argv, argv);
+	BB_EXECVP(*argv, argv);
 	bb_perror_msg_and_die("cannot execute %s", *argv);
 }

coreutils/env.c

@@ -81,7 +81,7 @@ int env_main(int argc, char** argv)
 	}
 
 	if (*argv) {
-		execvp(*argv, argv);
+		BB_EXECVP(*argv, argv);
 		/* SUSv3-mandated exit codes. */
 		xfunc_error_retval = (errno == ENOENT) ? 127 : 126;
 		bb_perror_msg_and_die("%s", *argv);

coreutils/install.c

@@ -126,7 +126,7 @@ int install_main(int argc, char **argv)
 			ret = EXIT_FAILURE;
 		}
 		if (flags & OPT_STRIP) {
-			if (execlp("strip", "strip", dest, NULL) == -1) {
+			if (BB_EXECLP("strip", "strip", dest, NULL) == -1) {
 				bb_perror_msg("strip");
 				ret = EXIT_FAILURE;
 			}

coreutils/nice.c

@@ -47,7 +47,7 @@ int nice_main(int argc, char **argv)
 		}
 	}
 
-	execvp(*argv, argv);		/* Now exec the desired program. */
+	BB_EXECVP(*argv, argv);		/* Now exec the desired program. */
 
 	/* The exec failed... */
 	xfunc_error_retval = (errno == ENOENT) ? 127 : 126; /* SUSv3 */

coreutils/nohup.c

@@ -53,7 +53,7 @@ int nohup_main(int argc, char **argv)
 		close(nullfd);
 	signal(SIGHUP, SIG_IGN);
 
-	execvp(argv[1], argv+1);
+	BB_EXECVP(argv[1], argv+1);
 	if (ENABLE_FEATURE_CLEAN_UP && home)
 		free((char*)nohupout);
 	bb_perror_msg_and_die("%s", argv[1]);