erlang: bump to version 18.2.1

This is a major release of Erlang that includes a licensing change from
the EPL to the Apache License, significant changes to the timer APIs, better
support for large maps, and security improvements.

Signed-off-by: Frank Hunleth <fhunleth@troodon-software.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/erlang/0004-erts-fix-incorrect-use-of-ac-egrep-cpp.patch

@@ -1,79 +0,0 @@
-Status: upstream
-https://github.com/erlang/otp/pull/658
-
-Signed-off-by: Johan Oudinet <johan.oudinet@gmail.com>
-
-From 73392fcb6f8fddba57de6fb7ae6eeafa0e444686 Mon Sep 17 00:00:00 2001
-From: Johan Oudinet <johan.oudinet@gmail.com>
-Date: Tue, 24 Mar 2015 15:54:31 +0100
-Subject: [PATCH] erts: Fix incorrect use of AC_EGREP_CPP
-
-Using 'AC_EGREP_CPP(yes' without restraining the pattern always return
-true if it runs from a path containing the string 'yes'.
----
- erts/aclocal.m4   |  2 +-
- erts/configure.in | 17 +++++++++--------
- 2 files changed, 10 insertions(+), 9 deletions(-)
-
-diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
-index 5735cde..70a5b40 100644
---- a/erts/aclocal.m4
-+++ b/erts/aclocal.m4
-@@ -559,7 +559,7 @@ dnl
- 
- AC_DEFUN(LM_SYS_MULTICAST,
- [AC_CACHE_CHECK([for multicast support], ac_cv_sys_multicast_support,
--[AC_EGREP_CPP(yes,
-+[AC_EGREP_CPP(^yes$,
- [#include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
-diff --git a/erts/configure.in b/erts/configure.in
-index b3fe48d..9e19e33 100644
---- a/erts/configure.in
-+++ b/erts/configure.in
-@@ -1555,10 +1555,11 @@ if test "$have_gethostbyname_r" = yes; then
- 				    [Define to flavour of gethostbyname_r]))
- 		;;
- 		*)
--			AC_EGREP_CPP(yes,[#include <stdio.h>
--			  #ifdef __GLIBC__
--			  yes
--			  #endif
-+			AC_EGREP_CPP(^yes$,[
-+#include <stdio.h>
-+#ifdef __GLIBC__
-+yes
-+#endif
- 			  ], AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_GLIBC,
- 				[Define to flavour of gethostbyname_r]))
- 		;;
-@@ -4303,10 +4304,10 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in
- 			SSL_INCLUDE="-I$dir/include"
- 			old_CPPFLAGS=$CPPFLAGS
- 			CPPFLAGS=$SSL_INCLUDE
--			AC_EGREP_CPP(yes,[
-+			AC_EGREP_CPP(^yes$,[
- #include <openssl/opensslv.h>
- #if OPENSSL_VERSION_NUMBER >= 0x0090700fL
--  yes
-+yes
- #endif
- 			],[
- 			ssl_found=yes
-@@ -4501,10 +4502,10 @@ if test "x$SSL_APP" != "x" ; then
-     AC_MSG_CHECKING(for OpenSSL kerberos 5 support)
-     old_CPPFLAGS=$CPPFLAGS
-     CPPFLAGS=$SSL_INCLUDE
--    AC_EGREP_CPP(yes,[
-+    AC_EGREP_CPP(^yes$,[
- #include <openssl/opensslconf.h>
- #ifndef OPENSSL_NO_KRB5
--  yes
-+yes
- #endif
-       ],[
-       AC_MSG_RESULT([yes])
--- 
-2.1.0
-

package/erlang/erlang.hash

@@ -1,2 +1,3 @@
-# From http://www.erlang.org/download/MD5
-md5	346dd0136bf1cc28cebc140e505206bb	otp_src_17.5.tar.gz
+# md5 from http://www.erlang.org/download/MD5, sha256 locally computed
+md5	ebb226d51f89ec54cc83ce5d417ce55e	otp_src_18.2.1.tar.gz
+sha256	82d76ebfeeda5db64ea5b0f1a04aa0e9ac63380b278722e0e6052249bd3fe39a  otp_src_18.2.1.tar.gz

package/erlang/erlang.mk

@@ -5,21 +5,21 @@
 ################################################################################
 
 # See note below when updating Erlang
-ERLANG_VERSION = 17.5
+ERLANG_VERSION = 18.2.1
 ERLANG_SITE = http://www.erlang.org/download
 ERLANG_SOURCE = otp_src_$(ERLANG_VERSION).tar.gz
 ERLANG_DEPENDENCIES = host-erlang
 
-ERLANG_LICENSE = EPL
-ERLANG_LICENSE_FILES = EPLICENCE
+ERLANG_LICENSE = Apache-2.0
+ERLANG_LICENSE_FILES = LICENSE.txt
 ERLANG_INSTALL_STAGING = YES
 
-# Touching erts/configure.in
+# Patched erts/aclocal.m4
 ERLANG_AUTORECONF = YES
 
 # Whenever updating Erlang, this value should be updated as well, to the
 # value of EI_VSN in the file lib/erl_interface/vsn.mk
-ERLANG_EI_VSN = 3.7.20
+ERLANG_EI_VSN = 3.8.1
 
 # The configure checks for these functions fail incorrectly
 ERLANG_CONF_ENV = ac_cv_func_isnan=yes ac_cv_func_isinf=yes