utf8proc: Add package

packages/utf8proc/Makefile.patch

@@ -0,0 +1,12 @@
+diff -u -r ../utf8proc-2.1.0/Makefile ./Makefile
+--- ../utf8proc-2.1.0/Makefile	2016-12-26 21:52:48.000000000 +0100
++++ ./Makefile	2018-04-17 00:01:15.028065400 +0200
+@@ -34,7 +34,7 @@
+ endif
+ 
+ # installation directories (for 'make install')
+-prefix=/usr/local
++prefix?=/usr/local
+ libdir=$(prefix)/lib
+ includedir=$(prefix)/include
+ 

packages/utf8proc/build.sh

@@ -0,0 +1,10 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/JuliaLang/utf8proc
+TERMUX_PKG_DESCRIPTION="Library for processing UTF-8 Unicode data"
+TERMUX_PKG_VERSION=2.1.0
+TERMUX_PKG_SHA256=25ccc5619ac400f9eaf24aafaae5b625afa1961e140b8dd6072b393267833260
+TERMUX_PKG_SRCURL=https://github.com/JuliaLang/utf8proc/archive/v${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_BUILD_IN_SRC=yes
+
+termux_step_pre_configure() {
+	rm $TERMUX_PKG_SRCDIR/CMakeLists.txt
+}