package/exim: bump version to 4.96

Changelog:
https://github.com/Exim/exim/blob/22ed7a5295f196fce32563f6e9c669110dd36f4d/doc/doc-txt/ChangeLog

Removed patch 0004 which was applied upstream:
https://github.com/Exim/exim/commit/3083c9ca60beb9aacae81d0d108117251da5f276

Renumbered remaining patches.

Switched from pcre to pcre2:
https://github.com/Exim/exim/commit/22ed7a5295f196fce32563f6e9c669110dd36f4d

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/exim/0004-Fix-uClibc-build.patch

@@ -1,35 +0,0 @@
-From 68ea4fc7ca53bf010e5ec738ad078452f0eaa639 Mon Sep 17 00:00:00 2001
-From: Bernd Kuhls <bernd.kuhls@t-online.de>
-Date: Tue, 23 Jul 2019 18:48:06 +0200
-Subject: [PATCH] Fix uClibc build
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-structs.h:757:18: error: ‘NS_MAXMSG’ undeclared here (not in a function); did you mean ‘N_MASC’?
-   uschar  answer[NS_MAXMSG];      /* the answer itself */
-
-Patch sent upstream: https://github.com/Exim/exim/pull/70
-
-Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
----
- OS/os.h-Linux | 4 ++++
- 1 file changed, 4 insertions(+)
-
-diff --git a/OS/os.h-Linux b/OS/os.h-Linux
-index 63cf9babd..1d82e9bad 100644
---- a/OS/os.h-Linux
-+++ b/OS/os.h-Linux
-@@ -87,5 +87,9 @@ then change the 0 to 1 in the next block. */
- # define TCPI_OPT_SYN_DATA 32
- #endif
- 
-+/* Needed for uClibc */
-+#ifndef NS_MAXMSG
-+# define NS_MAXMSG 65535
-+#endif
- 
- /* End */
--- 
-2.20.1
-

package/exim/Config.in

@@ -5,7 +5,7 @@ config BR2_PACKAGE_EXIM
 	bool "exim"
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_TOOLCHAIN_HAS_THREADS
-	select BR2_PACKAGE_PCRE
+	select BR2_PACKAGE_PCRE2
 	select BR2_PACKAGE_BERKELEYDB
 	help
 	  Exim is a message transfer agent (MTA) developed at the

package/exim/exim.hash

@@ -1,6 +1,6 @@
 # From https://ftp.exim.org/pub/exim/exim4/00-sha256sums.txt
-sha256  cc9cb653fff2ea947c3702680b59c99ac0bd1bbf19976d37e22a463cd804f167  exim-4.95.tar.xz
+sha256  299a56927b2eb3477daafd3c5bda02bc67e5c4e5898a7aeaf2740875278cf1a3  exim-4.96.tar.xz
 # From https://ftp.exim.org/pub/exim/exim4/00-sha512sums.txt
-sha512  93d09c20d99f27da5edbe3e6dc7d25aa4548faa2b67ca26f2cc0b4aeaf58398dd468e0263714fcf0df97531f05d16fcd3f1f0e9d0656ead7858a66b248a44a65  exim-4.95.tar.xz
+sha512  6b863661465a0b9897c1b71875c5196a1903cf560dd85de45b08242b9731edb2bc10eb56945d62e477e5d15cc7a8d493915bff2ca81689673a8091c66f62c89e  exim-4.96.tar.xz
 # Locally calculated
 sha256  49240db527b7e55b312a46fc59794fde5dd006422e422257f4f057bfd27b3c8f  LICENCE

package/exim/exim.mk

@@ -4,14 +4,14 @@
 #
 ################################################################################
 
-EXIM_VERSION = 4.95
+EXIM_VERSION = 4.96
 EXIM_SOURCE = exim-$(EXIM_VERSION).tar.xz
 EXIM_SITE = https://ftp.exim.org/pub/exim/exim4
 EXIM_LICENSE = GPL-2.0+
 EXIM_LICENSE_FILES = LICENCE
 EXIM_CPE_ID_VENDOR = exim
 EXIM_SELINUX_MODULES = exim mta
-EXIM_DEPENDENCIES = host-berkeleydb host-pcre pcre berkeleydb host-pkgconf
+EXIM_DEPENDENCIES = host-berkeleydb host-pcre2 pcre2 berkeleydb host-pkgconf
 
 # Modify a variable value. It must already exist in the file, either
 # commented or not.
@@ -46,8 +46,8 @@ define EXIM_USE_DEFAULT_CONFIG_FILE
 	$(call exim-config-change,EXIM_USER,ref:exim)
 	$(call exim-config-change,EXIM_GROUP,mail)
 	$(call exim-config-change,TRANSPORT_LMTP,yes)
-	$(call exim-config-change,PCRE_LIBS,-lpcre)
-	$(call exim-config-change,PCRE_CONFIG,no)
+	$(call exim-config-change,PCRE_LIBS,-lpcre2-8)
+	$(call exim-config-change,PCRE2_CONFIG,no)
 	$(call exim-config-change,HAVE_ICONV,no)
 	$(call exim-config-unset,EXIM_MONITOR)
 	$(call exim-config-change,AUTH_PLAINTEXT,yes)