dev-libs/opensc: fix libressl-2.7 build

Closes: https://bugs.gentoo.org/show_bug.cgi?id=658212
Thanks: Tom Li
Package-Manager: Portage-2.3.40, Repoman-2.3.9

dev-libs/opensc/files/opensc-0.18.0-libressl.patch

@@ -0,0 +1,79 @@
+From 226cd96bfd384a40b3ab6b6dafb97f6e399524f4 Mon Sep 17 00:00:00 2001
+From: Alon Bar-Lev <[email protected]>
+Date: Fri, 22 Jun 2018 22:21:03 +0300
+Subject: [PATCH] build: support >=libressl-2.7
+
+https://github.com/OpenSC/OpenSC/pull/1406
+
+---
+ src/libopensc/sc-ossl-compat.h | 19 +++++++++++++------
+ src/tools/sc-hsm-tool.c        |  2 +-
+ 2 files changed, 14 insertions(+), 7 deletions(-)
+
+diff --git a/src/libopensc/sc-ossl-compat.h b/src/libopensc/sc-ossl-compat.h
+index a94d9564..d9e087a3 100644
+--- a/src/libopensc/sc-ossl-compat.h
++++ b/src/libopensc/sc-ossl-compat.h
+@@ -90,17 +90,24 @@ extern "C" {
+
+ #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ #define RSA_PKCS1_OpenSSL		RSA_PKCS1_SSLeay
+-#define OPENSSL_malloc_init		CRYPTO_malloc_init
+
+-#define EVP_PKEY_get0_RSA(x)		(x->pkey.rsa)
+-#define EVP_PKEY_get0_DSA(x)		(x->pkey.dsa)
+ #define X509_get_extension_flags(x)	(x->ex_flags)
+ #define X509_get_key_usage(x)		(x->ex_kusage)
+ #define X509_get_extended_key_usage(x)	(x->ex_xkusage)
+-#define EVP_PKEY_up_ref(user_key)	CRYPTO_add(&user_key->references, 1, CRYPTO_LOCK_EVP_PKEY)
+ #if !defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER < 0x2050300fL
+ #define X509_up_ref(cert)		CRYPTO_add(&cert->references, 1, CRYPTO_LOCK_X509)
+ #endif
++#if !defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER < 0x20700000L
++#define OPENSSL_malloc_init		CRYPTO_malloc_init
++#define EVP_PKEY_get0_RSA(x)		(x->pkey.rsa)
++#define EVP_PKEY_get0_DSA(x)		(x->pkey.dsa)
++#define EVP_PKEY_up_ref(user_key)	CRYPTO_add(&user_key->references, 1, CRYPTO_LOCK_EVP_PKEY)
++#endif
++#endif
++
++/* workaround unused value warning for a macro that does nothing */
++#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L
++#define OPENSSL_malloc_init()
+ #endif
+
+ /*
+@@ -110,7 +117,7 @@ extern "C" {
+  * If that is not good enough, versions could be added to libopensc
+  */
+
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ /* based on OpenSSL-1.1.0 e_os2.h */
+ /* sc_ossl_inline: portable inline definition usable in public headers */
+ # if !defined(inline) && !defined(__cplusplus)
+@@ -129,7 +136,7 @@ extern "C" {
+ # endif
+ #endif
+
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2050300fL)
+
+ #define RSA_bits(R) (BN_num_bits(R->n))
+
+diff --git a/src/tools/sc-hsm-tool.c b/src/tools/sc-hsm-tool.c
+index 823eb217..307bad25 100644
+--- a/src/tools/sc-hsm-tool.c
++++ b/src/tools/sc-hsm-tool.c
+@@ -1761,7 +1761,7 @@ int main(int argc, char *argv[])
+ 		}
+ 	}
+
+-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !(defined LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER >= 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x20700000L)
+ 	OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS
+ 		| OPENSSL_INIT_ADD_ALL_CIPHERS
+ 		| OPENSSL_INIT_ADD_ALL_DIGESTS,
+-- 
+2.16.4
+

dev-libs/opensc/opensc-0.18.0.ebuild

@@ -35,6 +35,7 @@ REQUIRED_USE="
 
 PATCHES=(
 	"${FILESDIR}/${P}-build.patch"
+	"${FILESDIR}/${P}-libressl.patch"
 )
 
 src_configure() {