misc/nn-insight: Fix build for new flatbuffers version and on aarch64

Reported by:	fallout

misc/nn-insight/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	nn-insight
 DISTVERSION=	1.0.7
+PORTREVISION=	1
 CATEGORIES=	misc # machine-learning
 
 MAINTAINER=	yuri@FreeBSD.org
@@ -25,11 +26,13 @@ USE_QT=		core gui svg widgets buildtools_build qmake_build
 USE_GITHUB=	yes
 GH_ACCOUNT=	yurivict
 
-CMAKE_ARGS_aarch64=	-DENABLE_NATIVE_OPTIMIZATIONS=OFF
-
 PLIST_FILES=	bin/nn-insight \
 		libexec/nn-insight/tf-lite-plugin.so
 
 PORTSCOUT=	limit:^.*[1-9]\. # prevent hashes
 
+OPTIONS_DEFINE=		NATIVE
+NATIVE_DESC=		Build with native optimizations (-march=native)
+NATIVE_CMAKE_BOOL=	ENABLE_NATIVE_OPTIMIZATIONS
+
 .include <bsd.port.mk>

misc/nn-insight/files/patch-CMakeLists.txt

@@ -0,0 +1,11 @@
+--- CMakeLists.txt.orig	2022-09-06 16:20:58 UTC
++++ CMakeLists.txt
+@@ -63,7 +63,7 @@ find_path(HALF_PRECISION half.hpp)
+ if (NOT HALF_PRECISION)
+ 	message(FATAL_ERROR "Failed to find the half-precision floating point library (half.hpp)")
+ endif()
+-find_package(Flatbuffers REQUIRED)
++find_package(FlatBuffers REQUIRED)
+ pkg_check_modules(libcgraph libgvc REQUIRED IMPORTED_TARGET libcgraph)
+ if (USE_PERFTOOLS)
+ 	pkg_check_modules(libtcmalloc REQUIRED IMPORTED_TARGET libtcmalloc)