diff --git a/commands/Makefile b/commands/Makefile
index 65d4abbd5..42f26b6b7 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -12,7 +12,7 @@ SUBDIR=	aal add_route adduser advent arp ash at autil awk \
 	dhrystone diff dirname dis88 du dumpcore easypack \
 	ed eject elle elvis env expand factor file \
 	find finger fingerd fix fold format fortune fsck \
-	fsck1 ftp101 ftpd200 getty gomoku head host \
+	fsck1 ftp101 ftpd200 getty grep gomoku head host \
 	hostaddr id ifconfig ifdef indent install \
 	intr ipcrm ipcs irdpd isoread join kill last leave \
 	lex life loadkeys loadramdisk logger login look lp \
diff --git a/commands/grep/Makefile b/commands/grep/Makefile
index 5c066d25d..692540d25 100644
--- a/commands/grep/Makefile
+++ b/commands/grep/Makefile
@@ -17,11 +17,12 @@ MLINKS= grep.1 egrep.1 \
 
 CFLAGS+= -Wall
 
-.if ${OPSYS} == "Minix"
-CPPFLAGS+= -DNOZ -D_POSIX_SOURCE -D_MINIX
-.include <minix.prog.mk>
-.else
 LDADD=  -lz
 DPADD=  ${LIBZ}
+
+.if ${OPSYS} == "Minix"
+CPPFLAGS+= -D_POSIX_SOURCE -D_MINIX
+.include <minix.prog.mk>
+.else
 .include <bsd.prog.mk>
 .endif
diff --git a/commands/grep/file.c b/commands/grep/file.c
index 1787ac090..9a6ae8ebc 100644
--- a/commands/grep/file.c
+++ b/commands/grep/file.c
@@ -42,7 +42,9 @@ static size_t	 lnbuflen;
 #endif
 
 #define FILE_STDIO	0
+#ifndef __minix
 #define FILE_MMAP	1
+#endif
 #define FILE_GZIP	2
 
 struct file {
@@ -142,11 +144,13 @@ grep_open(char *path, char *mode)
 	} else
 #endif
 	{
+#ifdef FILE_MMAP
 		/* try mmap first; if it fails, try stdio */
 		if ((f->mmf = mmopen(fname, mode)) != NULL) {
 			f->type = FILE_MMAP;
 			return f;
 		}
+#endif
 		f->type = FILE_STDIO;
 		if ((f->f = fopen(path, mode)) != NULL)
 			return f;
@@ -165,8 +169,10 @@ grep_bin_file(file_t *f)
 	switch (f->type) {
 	case FILE_STDIO:
 		return bin_file(f->f);
+#ifdef FILE_MMAP
 	case FILE_MMAP:
 		return mmbin_file(f->mmf);
+#endif
 #ifndef NOZ
 	case FILE_GZIP:
 		return gzbin_file(f->gzf);
@@ -183,8 +189,10 @@ grep_fgetln(file_t *f, size_t *l)
 	switch (f->type) {
 	case FILE_STDIO:
 		return fgetln(f->f, l);
+#ifdef FILE_MMAP
 	case FILE_MMAP:
 		return mmfgetln(f->mmf, l);
+#endif
 #ifndef NOZ
 	case FILE_GZIP:
 		return gzfgetln(f->gzf, l);
@@ -202,9 +210,11 @@ grep_close(file_t *f)
 	case FILE_STDIO:
 		fclose(f->f);
 		break;
+#ifdef FILE_MMAP
 	case FILE_MMAP:
 		mmclose(f->mmf);
 		break;
+#endif
 #ifndef NOZ
 	case FILE_GZIP:
 		gzclose(f->gzf);
diff --git a/commands/grep/grep.c b/commands/grep/grep.c
index b316981ae..310abba75 100755
--- a/commands/grep/grep.c
+++ b/commands/grep/grep.c
@@ -102,8 +102,6 @@ struct patfile {
 };
 SLIST_HEAD(, patfile)		 patfilelh;
 
-extern char *__progname;
-
 static void
 usage(void)
 {
@@ -114,7 +112,7 @@ usage(void)
 	    "usage: %s [-abcEFGHhIiLlnoPqRSsUVvwxZ] [-A num] [-B num] [-C[num]]\n"
 #endif
 	    "\t[-e pattern] [-f file] [--binary-files=value] [--context[=num]]\n"
-	    "\t[--line-buffered] [pattern] [file ...]\n", __progname);
+	    "\t[--line-buffered] [pattern] [file ...]\n", getprogname());
 	exit(2);
 }
 
@@ -240,11 +238,7 @@ main(int argc, char *argv[])
 
 	SLIST_INIT(&patfilelh);
 
-#ifdef __minix
-	setprogname(argv[0]);
-#endif
-
-	switch (__progname[0]) {
+	switch (getprogname()[0]) {
 	case 'e':
 		Eflag++;
 		break;
@@ -257,7 +251,7 @@ main(int argc, char *argv[])
 #ifndef NOZ
 	case 'z':
 		Zflag++;
-		switch(__progname[1]) {
+		switch(getprogname()[1]) {
 		case 'e':
 			Eflag++;
 			break;
diff --git a/commands/grep/mmfile.c b/commands/grep/mmfile.c
index aa1a28ac0..8cdfefe21 100644
--- a/commands/grep/mmfile.c
+++ b/commands/grep/mmfile.c
@@ -1,3 +1,4 @@
+#ifndef __minix
 /*	$OpenBSD: mmfile.c,v 1.11 2006/09/19 05:52:23 otto Exp $	*/
 
 /*-
@@ -100,3 +101,4 @@ mmfgetln(mmf_t *mmf, size_t *l)
 	++mmf->ptr;
 	return p;
 }
+#endif