openssl: add package for openssl.cnf, misc changes

- Add the /etc/ssl/openssl.cnf as a separate package, to avoid breaking
  the transitional mechanism, allowing libopenssl_1.0* and
  libopenssl_1.1* to coexist.

- Remove the (selecting) dependency on @KERNEL_AIO

- Use global SOURCE_DATE_EPOCH

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>

package/libs/openssl/Config.in

@@ -250,11 +250,14 @@ config OPENSSL_ENGINE
 		This enables alternative cryptography implementations,
 		most commonly for interfacing with external crypto devices,
 		or supporting new/alternative ciphers and digests.
+		Note that you need to enable KERNEL_AIO to be able to build the
+		afalg engine package.
 
 config OPENSSL_ENGINE_CRYPTO
 	bool
 	select OPENSSL_ENGINE
 	select PACKAGE_kmod-cryptodev
+	select PACKAGE_libopenssl-conf
 	prompt "Acceleration support through /dev/crypto"
 	help
 		This enables use of hardware acceleration through OpenBSD
@@ -284,4 +287,3 @@ config OPENSSL_WITH_GOST
 		https://github.com/gost-engine/engine
 
 endif
-

package/libs/openssl/Makefile

@@ -104,24 +104,37 @@ define Package/openssl-util
   $(call Package/openssl/Default)
   SECTION:=utils
   CATEGORY:=Utilities
-  DEPENDS:=+libopenssl
+  DEPENDS:=+libopenssl +libopenssl-conf
   TITLE+= (utility)
 endef
 
-define Package/openssl-util/conffiles
+define Package/openssl-util/description
+$(call Package/openssl/Default/description)
+This package contains the OpenSSL command-line utility.
+endef
+
+define Package/libopenssl-conf
+  $(call Package/openssl/Default)
+  SUBMENU:=SSL
+  TITLE:=/etc/ssl/openssl.cnf config file
+  DEPENDS:=libopenssl
+endef
+
+define Package/libopenssl-conf/conffiles
 /etc/ssl/openssl.cnf
 endef
 
-define Package/openssl-util/description
+define Package/libopenssl-conf/description
 $(call Package/openssl/Default/description)
-This package contains the OpenSSL command-line utility.
+This package installs the OpenSSL configuration file /etc/ssl/openssl.cnf.
 endef
 
 define Package/libopenssl-afalg
   $(call Package/openssl/Default)
   SUBMENU:=SSL
   TITLE:=AFALG hardware acceleration engine
-  DEPENDS:=libopenssl @OPENSSL_ENGINE @KERNEL_AIO @!LINUX_3_18 +kmod-crypto-user
+  DEPENDS:=libopenssl @OPENSSL_ENGINE @KERNEL_AIO @!LINUX_3_18 +kmod-crypto-user \
+	   +libopenssl-conf
 endef
 
 define Package/libopenssl-afalg/description
@@ -136,7 +149,8 @@ define Package/libopenssl-padlock
   $(call Package/openssl/Default)
   SUBMENU:=SSL
   TITLE:=VIA Padlock hardware acceleration engine
-  DEPENDS:=libopenssl @OPENSSL_ENGINE @TARGET_x86 +kmod-crypto-hw-padlock
+  DEPENDS:=libopenssl @OPENSSL_ENGINE @TARGET_x86 +kmod-crypto-hw-padlock \
+	   +libopenssl-conf
 endef
 
 define Package/libopenssl-padlock/description
@@ -335,9 +349,12 @@ define Package/libopenssl/install
 	$(if $(CONFIG_OPENSSL_ENGINE),$(INSTALL_DIR) $(1)/usr/lib/$(ENGINES_DIR))
 endef
 
-define Package/openssl-util/install
+define Package/libopenssl-conf/install
 	$(INSTALL_DIR) $(1)/etc/ssl
 	$(CP) $(PKG_INSTALL_DIR)/etc/ssl/openssl.cnf $(1)/etc/ssl/
+endef
+
+define Package/openssl-util/install
 	$(INSTALL_DIR) $(1)/usr/bin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/openssl $(1)/usr/bin/
 endef
@@ -353,6 +370,7 @@ define Package/libopenssl-padlock/install
 endef
 
 $(eval $(call BuildPackage,libopenssl))
+$(eval $(call BuildPackage,libopenssl-conf))
 $(eval $(call BuildPackage,libopenssl-afalg))
 $(eval $(call BuildPackage,libopenssl-padlock))
 $(eval $(call BuildPackage,openssl-util))