Fix compilation warnings across the codebase #13

	name: FreeBSD build

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	freebsd_build:
	runs-on: ubuntu-latest
	name: FreeBSD ${{ matrix.release }} build
	strategy:
	fail-fast: false
	matrix:
	release: ['13.5', '14.3', '15.0']

	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Build and test on FreeBSD ${{ matrix.release }}
	uses: vmactions/freebsd-vm@v1
	with:
	release: ${{ matrix.release }}
	usesh: true
	prepare: \|
	pkg install -y cmake libevent speex gsm opus \
	python3 libev libxml2 curl hiredis spandsp \
	pkgconf openssl rust
	run: \|
	set -e
	freebsd-version

	echo "=== Building SEMS (CMake) ==="
	mkdir build && cd build
	cmake .. \
	-DSEMS_USE_SPANDSP=ON \
	-DSEMS_USE_OPUS=ON
	make -j$(sysctl -n hw.ncpu) sems_tests
	./core/sems_tests
	make -j$(sysctl -n hw.ncpu)

	echo "=== Verifying sems binary ==="
	./core/sems -v
	file ./core/sems
	ldd ./core/sems

	echo "=== Verifying shared libraries ==="
	ls ./apps//.so \| head -20

	echo "=== Verifying Rust monitoring tools ==="
	for tool in sems-list-calls sems-list-active-calls sems-list-finished-calls sems-get-callproperties; do
	echo "OK: ${tool}"
	file "../apps/monitoring/tools/target/release/${tool}"
	done

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