Refactor CI workflows for cross-platform builds #1

	name: fastfinder_build_windows_arm64

	on: [push, pull_request]

	jobs:
	windows_arm64_build:
	runs-on: windows-latest
	defaults:
	run:
	shell: msys2 {0}
	steps:
	- name: Install MSYS2
	uses: msys2/setup-msys2@v2
	with:
	msystem: MINGW64
	path-type: inherit
	update: true
	install: >-
	base-devel
	autoconf
	automake
	libtool
	make
	unzip
	wget

	- name: Install LLVM-MinGW (for ARM64)
	run: \|
	wget -q https://github.com/mstorsjo/llvm-mingw/releases/download/20231128/llvm-mingw-20231128-ucrt-x86_64.zip -O /tmp/llvm-mingw.zip
	unzip -q /tmp/llvm-mingw.zip -d /c/
	mv /c/llvm-mingw-20231128-ucrt-x86_64 /c/llvm-mingw
	ls /c/llvm-mingw/bin

	- name: Build YARA for ARM64
	run: \|
	wget -c https://github.com/VirusTotal/yara/archive/refs/tags/v4.5.5.zip -O /tmp/yara.zip
	cd /tmp && unzip yara.zip
	cd /tmp/yara-4.5.5
	./bootstrap.sh
	export PATH="/c/llvm-mingw/bin:$PATH"
	./configure --host=aarch64-w64-mingw32 --prefix=/c/llvm-mingw/aarch64-w64-mingw32 --disable-shared --disable-openssl --enable-static
	make -j$(nproc)
	make install

	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.24
	- uses: actions/checkout@v2

	- name: Build FastFinder (ARM64)
	run: \|
	export PATH="/c/llvm-mingw/bin:$PATH"
	export CGO_ENABLED=1
	export GOOS=windows
	export GOARCH=arm64
	export CC=aarch64-w64-mingw32-gcc
	export CXX=aarch64-w64-mingw32-g++
	export CGO_CFLAGS="-I/c/llvm-mingw/aarch64-w64-mingw32/include"
	export CGO_LDFLAGS="-L/c/llvm-mingw/aarch64-w64-mingw32/lib -lyara -lws2_32 -static"

	go build -v -ldflags "-s -w" -tags yara_static -o fastfinder-arm64.exe .
	ls -l fastfinder-arm64.exe

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