Add Linux i686 (-m32) CI and fix 32-bit test failures #114

	# SPDX-License-Identifier: BSD-3-Clause
	# Copyright (c) Contributors to the OpenEXR Project.
	#
	# Build and test on FreeBSD using a community VM action.
	# GitHub does not provide native FreeBSD runners; this uses vmactions/freebsd-vm.
	# Validates the pthread fallback in internal_thread.h (issue #2299).

	name: CI (FreeBSD)

	on:
	push:
	paths:
	- '**'
	- '!**.md'
	- '!website/**'
	- '!bazel/**'
	- '!src/wrappers/**'
	- '!.github/workflows/**'
	- '.github/workflows/ci_freebsd.yml'
	pull_request:
	paths:
	- '**'
	- '!**.md'
	- '!website/**'
	- '!bazel/**'
	- '!src/wrappers/**'
	- '!.github/workflows/**'
	- '.github/workflows/ci_freebsd.yml'

	permissions:
	contents: read

	jobs:
	freebsd:
	name: FreeBSD
	runs-on: ubuntu-latest
	steps:
	- name: Build and test on FreeBSD
	uses: vmactions/freebsd-vm@d1e65811565151536c0c894fff74f06351ed26e6 # v1
	with:
	release: '15.0'
	envs: GITHUB_REPOSITORY GITHUB_REF GITHUB_SHA
	usesh: true
	prepare: \|
	pkg install -y cmake ninja git
	run: \|
	set -e
	git clone --depth 1 "https://github.com/${GITHUB_REPOSITORY}.git" src
	cd src
	# shallow clone, only the commit that triggered the run, i.e. GITHUB_SHA
	git fetch --depth 1 origin "${GITHUB_SHA}"
	git checkout "${GITHUB_SHA}"
	cmake -B _build -S . -G Ninja \
	-DCMAKE_BUILD_TYPE=Release \
	-DOPENEXR_FORCE_INTERNAL_IMATH=ON \
	-DOPENEXR_FORCE_INTERNAL_DEFLATE=ON \
	-DOPENEXR_FORCE_INTERNAL_OPENJPH=ON \
	-DBUILD_TESTING=ON
	cmake --build _build
	ctest --test-dir _build --output-on-failure

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