dosfstools: Correct cross-compile CFLAGS and fix build with musl

enable largefile support if its in DISTRO_FEATURES

(From OE-Core rev: 300defd71205bf350a6e956451e0cc87c4e92902)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/dosfstools/dosfstools/0001-mkfs.fat-fix-incorrect-int-type.patch

@@ -0,0 +1,46 @@
+From 3b95786af13e28157d889bd90a384ee255f2d91d Mon Sep 17 00:00:00 2001
+From: "Yann E. MORIN" <yann.morin.1998@free.fr>
+Date: Sun, 16 Aug 2015 15:55:43 +0200
+Subject: [PATCH] mkfs.fat: fix incorrect int type
+
+u_int32_t is not a stanard type, while uint32_t is. This fixes builds
+with the musl C library, which only defines so-called "clean" headers;
+build failures are like (back-quotes and elision manually added for
+readability):
+
+    http://autobuild.buildroot.org/results/a09/a0923d7f6d4dbae02eba4c5024bbdae3a52aa85a/build-end.log
+
+    /home/peko/autobuild/instance-1/output/host/usr/bin/x86_64-linux-gcc -D_LARGEFILE_SOURCE \
+        -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64   -Os  -D_GNU_SOURCE -D_LARGEFILE_SOURCE \
+        -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c -o mkfs.fat.o src/mkfs.fat.c
+    src/mkfs.fat.c: In function 'main':
+    src/mkfs.fat.c:1415:18: error: 'u_int32_t' undeclared (first use in this function)
+         volume_id = (u_int32_t) ((create_timeval.tv_sec << 20) | create_timeval.tv_usec); [...]
+                      ^
+    src/mkfs.fat.c:1415:18: note: each undeclared identifier is reported only once for each
+    function it appears in
+
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
+Signed-off-by: Andreas Bombe <aeb@debian.org>
+---
+Upstream-Status: Backport
+
+ src/mkfs.fat.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/mkfs.fat.c b/src/mkfs.fat.c
+index b38d116..dddbe24 100644
+--- a/src/mkfs.fat.c
++++ b/src/mkfs.fat.c
+@@ -1412,7 +1412,7 @@ int main(int argc, char **argv)
+ 
+     gettimeofday(&create_timeval, NULL);
+     create_time = create_timeval.tv_sec;
+-    volume_id = (u_int32_t) ((create_timeval.tv_sec << 20) | create_timeval.tv_usec);	/* Default volume ID = creation time, fudged for more uniqueness */
++    volume_id = (uint32_t) ((create_timeval.tv_sec << 20) | create_timeval.tv_usec);	/* Default volume ID = creation time, fudged for more uniqueness */
+     check_atari();
+ 
+     printf("mkfs.fat " VERSION " (" VERSION_DATE ")\n");
+-- 
+2.7.0
+

meta/recipes-devtools/dosfstools/dosfstools/largefile.patch

@@ -0,0 +1,19 @@
+defer setting largefile flags to build makery
+in a cross build we can not do runtime config tests
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Upstream-Status: Inappropriate[Cross compile Specific]
+Index: dosfstools-3.0.28/Makefile
+===================================================================
+--- dosfstools-3.0.28.orig/Makefile
++++ dosfstools-3.0.28/Makefile
+@@ -27,8 +27,7 @@ SBINDIR = $(PREFIX)/sbin
+ DOCDIR = $(PREFIX)/share/doc
+ MANDIR = $(PREFIX)/share/man
+ 
+-#OPTFLAGS = -O2 -fomit-frame-pointer -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+-OPTFLAGS = -O2 -fomit-frame-pointer -D_GNU_SOURCE $(shell getconf LFS_CFLAGS)
++OPTFLAGS = -O2 -fomit-frame-pointer
+ #WARNFLAGS = -Wall -pedantic -std=c99
+ WARNFLAGS = -Wall -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings
+ DEBUGFLAGS = -g

meta/recipes-devtools/dosfstools/dosfstools_3.0.28.bb

@@ -9,12 +9,17 @@ SECTION = "base"
 LICENSE = "GPLv3"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 
-SRC_URI = "https://github.com/dosfstools/dosfstools/releases/download/v3.0.28/dosfstools-3.0.28.tar.xz"
+SRC_URI = "https://github.com/dosfstools/dosfstools/releases/download/v3.0.28/dosfstools-3.0.28.tar.xz \
+           file://largefile.patch \
+           file://0001-mkfs.fat-fix-incorrect-int-type.patch \
+          "
 SRC_URI[md5sum] = "6a047a6c65186b9ebb1853709adb36db"
 SRC_URI[sha256sum] = "ee95913044ecf2719b63ea11212917649709a6e53209a72d622135aaa8517ee2"
 
 UPSTREAM_CHECK_URI = "https://github.com/dosfstools/dosfstools/releases"
 
+CFLAGS += "-D_GNU_SOURCE ${@bb.utils.contains('DISTRO_FEATURES', 'largefile', '-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64', '', d)}"
+
 FILES_${PN} = "${base_sbindir}"
 FILES_${PN}-doc = "${mandir} ${docdir}"