stockfish: use upstream's cxxflags, fix ftbfs

srcpkgs/stockfish/patches/makefile.patch

@@ -1,12 +1,29 @@
---- src/Makefile.orig
-+++ src/Makefile
-@@ -159,9 +159,6 @@
- 			CXXFLAGS += -m$(bits)
- 			LDFLAGS += -m$(bits)
- 		endif
+--- src/Makefile.orig	2020-09-02 21:19:30.000000000 +0700
++++ src/Makefile	2021-01-14 18:51:25.852600109 +0700
+@@ -306,26 +306,7 @@
+ 
+ ifeq ($(COMP),gcc)
+ 	comp=gcc
+-	CXX=g++
+ 	CXXFLAGS += -pedantic -Wextra -Wshadow
+-
+-	ifeq ($(arch),$(filter $(arch),armv7 armv8))
+-		ifeq ($(OS),Android)
+-			CXXFLAGS += -m$(bits)
+-			LDFLAGS += -m$(bits)
+-		endif
 -	else
 -		CXXFLAGS += -m$(bits)
 -		LDFLAGS += -m$(bits)
- 	endif
+-	endif
+-
+-	ifeq ($(arch),$(filter $(arch),armv7))
+-		LDFLAGS += -latomic
+-	endif
+-
+-	ifneq ($(KERNEL),Darwin)
+-	   LDFLAGS += -Wl,--no-as-needed
+-	endif
+ endif
  
- 	ifneq ($(KERNEL),Darwin)
+ ifeq ($(COMP),mingw)

srcpkgs/stockfish/template

@@ -1,12 +1,13 @@
 # Template file for 'stockfish'
 pkgname=stockfish
 version=12
-revision=1
+revision=2
 _net_file=nn-82215d0fd0df.nnue
 wrksrc="Stockfish-sf_${version}"
 build_wrksrc=src
 build_style=gnu-makefile
 make_build_target=build
+make_use_env=yes
 hostmakedepends="tar"
 short_desc="Free UCI chess engine derived from Glaurung"
 maintainer="cipr3s <cipr3s@gmx.com>"
@@ -20,14 +21,18 @@ skip_extraction="${_net_file}"
 
 LDFLAGS+="-lpthread -Wl,-z,stack-size=2097152"
 
+# We know how to optimize ourselves
+make_build_args="optimize=no "
+
 case $XBPS_TARGET_MACHINE in
 	x86_64*) make_build_args+="ARCH=x86-64" ;;
 	i686*) make_build_args+="ARCH=x86-32" ;;
-	aarch64*) make_build_args+="ARCH=general-64" ;;
+	aarch64*) make_build_args+="ARCH=armv8" ;;
 	armv[56]*) make_build_args+="ARCH=general-32";;
 	armv7*) make_build_args+="ARCH=armv7" ;;
 	ppc64*) make_build_args+="ARCH=ppc-64" ;;
 	ppc*) make_build_args+="ARCH=ppc-32" ;;
+	*) broken="not supported" ;;
 esac
 
 if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then