mg: Upgrade to 20170401 release

Fix musl build along the way

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/mg/mg/0001-Undefine-REGEX-for-musl-based-systems.patch

@@ -0,0 +1,39 @@
+From a370ccd9447752c555aeca04f64021efedde4db3 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 7 Apr 2017 17:16:19 -0700
+Subject: [PATCH] Undefine REGEX for musl based systems
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ GNUmakefile | 1 -
+ Makefile    | 2 +-
+ 2 files changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/GNUmakefile b/GNUmakefile
+index 7bf7dca..0e10030 100644
+--- a/GNUmakefile
++++ b/GNUmakefile
+@@ -41,7 +41,6 @@ endif
+ CC?=		gcc
+ CFLAGS?=	-O2 -pipe
+ CFLAGS+=	-g -Wall
+-CPPFLAGS=	-DREGEX
+ CPPFLAGS+=	-D_GNU_SOURCE
+ CPPFLAGS+=	$(BSD_CPPFLAGS) -D__dead=__dead2
+ LIBS=		$(CURSES_LIBS) $(BSD_LIBS)
+diff --git a/Makefile b/Makefile
+index 94ce340..d516bbc 100644
+--- a/Makefile
++++ b/Makefile
+@@ -10,7 +10,7 @@ DPADD+=	${LIBCURSES} ${LIBUTIL}
+ #	REGEX		-- create regular expression functions.
+ #	STARTUPFILE	-- look for and handle initialization file.
+ #
+-CFLAGS+=-Wall -DREGEX
++CFLAGS+=-Wall
+ 
+ SRCS=	autoexec.c basic.c bell.c buffer.c cinfo.c dir.c display.c \
+ 	echo.c extend.c file.c fileio.c funmap.c help.c kbd.c keymap.c \
+-- 
+2.12.2
+

meta-oe/recipes-support/mg/mg/0001-fileio-Include-sys-param.h-for-MAXNAMLEN.patch

@@ -0,0 +1,25 @@
+From 51539bcd2ee9f765595c0be16eebc1daee112b27 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 7 Apr 2017 16:52:59 -0700
+Subject: [PATCH 1/2] fileio: Include sys/param.h for MAXNAMLEN
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ fileio.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/fileio.c b/fileio.c
+index 48a67a2..9b69665 100644
+--- a/fileio.c
++++ b/fileio.c
+@@ -12,6 +12,7 @@
+ #include <sys/time.h>
+ #include <sys/types.h>
+ #include <sys/wait.h>
++#include <sys/param.h>
+ #include <dirent.h>
+ #include <errno.h>
+ #include <fcntl.h>
+-- 
+2.12.2
+

meta-oe/recipes-support/mg/mg/0002-fileio-Define-DEFFILEMODE-if-platform-is-missing.patch

@@ -0,0 +1,28 @@
+From ce24a29cabb8f1774d262e120e5764a2afeb3825 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 7 Apr 2017 16:53:49 -0700
+Subject: [PATCH 2/2] fileio: Define DEFFILEMODE if platform is missing
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ fileio.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/fileio.c b/fileio.c
+index 9b69665..a852fd2 100644
+--- a/fileio.c
++++ b/fileio.c
+@@ -28,6 +28,10 @@
+ #include "kbd.h"
+ #include "pathnames.h"
+ 
++#if !defined(DEFFILEMODE)
++# define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)/* 0666*/
++#endif
++
+ static char *bkuplocation(const char *);
+ static int   bkupleavetmp(const char *);
+ 
+-- 
+2.12.2
+

meta-oe/recipes-support/mg/mg_20170401.bb

@@ -5,9 +5,15 @@ LIC_FILES_CHKSUM = "file://version.c;md5=1895eb37bf6bd79cdc5c89d8166fabfb"
 DEPENDS = "ncurses libbsd"
 SECTION = "console/editors"
 
-SRC_URI = "http://homepage.boetes.org/software/mg/mg-${PV}.tar.gz"
-SRC_URI[md5sum] = "fc6faeeee7308bb46f3512b75867ed51"
-SRC_URI[sha256sum] = "b7fcb5136a6783ca24c8463ab0852fc1f26bdb2bb1c24759b2c51ccfc46c5e61"
+SRC_URI = "http://homepage.boetes.org/software/mg/mg-${PV}.tar.gz \
+           file://0001-fileio-Include-sys-param.h-for-MAXNAMLEN.patch \
+           file://0002-fileio-Define-DEFFILEMODE-if-platform-is-missing.patch \
+           "
+SRC_URI_append_libc-musl = "\
+           file://0001-Undefine-REGEX-for-musl-based-systems.patch \
+           "
+SRC_URI[md5sum] = "884388589fb38c2109ad9fed328be20a"
+SRC_URI[sha256sum] = "0a3608b17c153960cb1d954ca3b62445a77c0c1a18aa5c8c58aba9f6b8d62aab"
 
 # CFLAGS isn't in EXTRA_OEMAKE, as the makefile picks it up via ?=
 EXTRA_OEMAKE = "\