boringssl: Add boringssl library

Add boringssl library. BoringSSL is Google's fork of OpenSSL.
Amongst other features, it adds support for QUIC.

Signed-off-by: Martin Schneider <martschneider@google.com>

libs/boringssl/Makefile

@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2021 Martin Schneider <martschneider@google.com>
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=boringssl
+PKG_VERSION:=20210608
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://boringssl.googlesource.com/boringssl
+PKG_SOURCE_DATE:=2021-06-08
+PKG_SOURCE_VERSION:=1f54fd9864c054dc33e15b1144e2a6a19fa0a52e
+PKG_MIRROR_HASH:=a60c79ca40d1a73639d4c1bba3431ca630ab1d670ab06307e8442b69cfaf0cc7
+
+PKG_MAINTAINER:=Martin Schneider <martschneider@google.com>
+PKG_LICENSE:=OpenSSL ISC
+PKG_LICENSE_FILES:=LICENSE
+PKG_BUILD_DEPENDS:=golang/host
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+include ../../lang/golang/golang-values.mk
+
+define Package/boringssl
+	SECTION:=libs
+	CATEGORY:=Libraries
+	TITLE:=An implementation of the TLS protocol
+	URL:=https://boringssl.googlesource.com/boringssl/
+	DEPENDS:=+libstdcpp $(GO_ARCH_DEPENDS) @!(mips||mips64)
+endef
+
+define Package/boringssl/description
+	An implementation of the TLS protocol
+endef
+
+CMAKE_OPTIONS+=-DBUILD_SHARED_LIBS=ON
+
+define Package/boringssl/install
+	$(INSTALL_DIR) $(1)/usr/lib/boringssl
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/bin/lib{crypto,ssl}.so $(1)/usr/lib/boringssl
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/lib/boringssl
+	$(INSTALL_DIR) $(1)/usr/include/boringssl
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/lib{crypto,ssl}.so $(1)/usr/lib/boringssl
+	$(CP) $(PKG_BUILD_DIR)/include/* $(1)/usr/include/boringssl
+endef
+
+$(eval $(call BuildPackage,boringssl))

libs/boringssl/patches/300-support-mipsel-arch.patch

@@ -0,0 +1,21 @@
+From 425b44bc6f6abcd4c12e2fb72f42622e825ad700 Mon Sep 17 00:00:00 2001
+From: Martin Schneider <martschneider@google.com>
+Date: Mon, 25 Oct 2021 09:53:33 +0800
+Subject: [PATCH] Support mipsel architecture.
+
+Signed-off-by: Martin Schneider <martschneider@google.com>
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -489,7 +489,7 @@ elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUA
+   set(ARCH "aarch64")
+ elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^arm*")
+   set(ARCH "arm")
+-elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "mips")
++elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^mips*")
+   # Just to avoid the “unknown processor” error.
+   set(ARCH "generic")
+ elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64le")

libs/boringssl/patches/900-add-install-target.patch

@@ -0,0 +1,18 @@
+From 8f62d432745a65671332281363409229c238cd1e Mon Sep 17 00:00:00 2001
+From: Martin Schneider <martschneider@google.com>
+Date: Mon, 25 Oct 2021 10:53:01 +0800
+Subject: [PATCH] Add install target to CMakeLists.txt
+
+Signed-off-by: Martin Schneider <martschneider@google.com>
+---
+ CMakeLists.txt | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -649,3 +649,5 @@ add_custom_target(
+     WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+     DEPENDS all_tests bssl_shim handshaker fips_specific_tests_if_any
+     USES_TERMINAL)
++
++install(TARGETS ssl crypto DESTINATION bin)