- Update `benchmarks/lzbench' to version 1.7.4

- Install README.md file as part of documentation
- Garbage-collect no longer useful patches

Reported by:	portscout

benchmarks/lzbench/Makefile

@@ -2,8 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	lzbench
-PORTVERSION=	1.7.3
-PORTREVISION=	3
+PORTVERSION=	1.7.4
 DISTVERSIONPREFIX=	v
 CATEGORIES=	benchmarks
 
@@ -14,10 +13,8 @@ USES=		compiler:c11 gmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	inikep
 
-MAKE_ENV=	CODE_FLAGS=-Wno-c++11-narrowing		# XXX: for clang 6
-
 PLIST_FILES=	bin/lzbench
-PORTDOCS=	NEWS
+PORTDOCS=	NEWS README.md
 
 OPTIONS_DEFINE=	DOCS
 

benchmarks/lzbench/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1515146810
-SHA256 (inikep-lzbench-v1.7.3_GH0.tar.gz) = 71308d03b3a1e00ac4852bc8ca0ec45540144b1de232db3dd4880cecd1b07e36
-SIZE (inikep-lzbench-v1.7.3_GH0.tar.gz) = 2365027
+TIMESTAMP = 1571841086
+SHA256 (inikep-lzbench-v1.7.4_GH0.tar.gz) = 7d8bb7347b2b3da774e73c68e3cef4eddba03a258a1ef8e8b854debef0795af4
+SIZE (inikep-lzbench-v1.7.4_GH0.tar.gz) = 2576600

benchmarks/lzbench/files/patch-Makefile

@@ -1,22 +0,0 @@
---- Makefile.orig	2018-01-05 10:06:50 UTC
-+++ Makefile
-@@ -26,8 +26,8 @@ ifeq (1,$(filter 1,$(shell [ "$(COMPILER)" = "gcc" ] &
-     DONT_BUILD_GLZA ?= 1
- endif
- 
--# LZSSE requires gcc with support of __SSE4_1__
--ifeq ($(shell echo|$(CC) -dM -E - -march=native|grep -c SSE4_1), 0)
-+# LZSSE requires compiler with __SSE4_1__ support and 64-bit CPU
-+ifneq ($(shell echo|$(CC) -dM -E - -march=native|egrep -c '__(SSE4_1|x86_64)__'),2)
- 	DONT_BUILD_LZSSE ?= 1
- endif
- 
-@@ -51,7 +51,7 @@ else
- 		DONT_BUILD_LZHAM ?= 1
- 		DONT_BUILD_CSC ?= 1
- 	else
--		LDFLAGS	+= -lrt -static
-+		LDFLAGS	+= -lrt
- 	endif
- 	LDFLAGS	+= -lpthread
- endif