New package: mergerfs-2.14.0

Closes #4512 #4530

srcpkgs/mergerfs/patches/fix-default_source.patch

@@ -0,0 +1,11 @@
+--- src/readdir.cpp	2016-02-18 19:03:13.000000000 +0100
++++ src/readdir.cpp	2016-08-06 19:04:39.696672433 +0200
+@@ -14,7 +14,7 @@
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+ 
+-#define _BSD_SOURCE
++#define _DEFAULT_SOURCE
+ 
+ #include <fuse.h>
+ 

srcpkgs/mergerfs/template

@@ -0,0 +1,29 @@
+# Template file for 'mergerfs'
+pkgname="mergerfs"
+version=2.14.0
+revision=1
+build_style=gnu-makefile
+makedepends="fuse-devel attr-devel"
+hostmakedepends="pkg-config"
+short_desc="FUSE union filesystem"
+maintainer="xinterer <xinterer@users.noreply.github.com>"
+license="ISC"
+homepage="https://github.com/trapexit/mergerfs"
+distfiles="${homepage}/releases/download/${version}/${pkgname}-${version}.tar.gz"
+checksum="91b323ac848d373dde455a2f7bc7567b31d2def81839ae801c1d38d1ffb3ba61"
+
+case "$XBPS_TARGET_MACHINE" in
+	*-musl)	# Does not have pandoc
+		;;
+	*)	hostmakedepends+=" pandoc"
+		;;
+esac
+
+pre_build() {
+	sed -i 's|^CFLAGS[[:blank:]]*=|override CFLAGS +=|g' Makefile
+	sed -i 's|^LDFLAGS[[:blank:]]*=|override LDFLAGS +=|g' Makefile
+}
+
+post_install() {
+	vlicense LICENSE
+}