PGXS

build with clang/libc++ #13

	name: PGXS

	on:
	push:
	branches: [ main ]
	pull_request:

	jobs:
	pgxs-build:
	name: Build
	runs-on: ubuntu-latest
	env:
	CC: clang-21
	CXX: clang++-21
	CXXFLAGS: -stdlib=libc++
	LDFLAGS: -stdlib=libc++

	steps:
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y \
	build-essential \
	pkg-config \
	libjwt-dev \
	libcurl4-openssl-dev \
	libssl-dev \
	libreadline-dev \
	zlib1g-dev \
	libxml2-dev \
	libxslt1-dev \
	uuid-dev \
	flex \
	bison
	wget https://apt.llvm.org/llvm.sh
	chmod +x llvm.sh
	sudo ./llvm.sh 21 all
	sudo apt-get install libc++-21-dev libc++abi-21-dev

	- name: Checkout PostgreSQL source
	uses: actions/checkout@v4
	with:
	repository: postgres/postgres
	ref: REL_18_STABLE
	path: pg-source

	- name: Configure and build PostgreSQL
	run: \|
	cd pg-source
	./configure \
	--prefix=/usr/local/pgsql \
	--enable-debug \
	--enable-cassert
	make -j$(nproc)

	- name: Install PostgreSQL
	run: \|
	cd pg-source
	sudo make install
	sudo ldconfig

	- name: Add PostgreSQL binaries to PATH
	run: \|
	echo "/usr/local/pgsql/bin" >> $GITHUB_PATH

	- name: Checkout pg_oauth extension
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Build pg_oauth with PGXS
	run: \|
	export USE_PGXS=1
	export PG_CONFIG=/usr/local/pgsql/bin/pg_config
	make -j

	- name: Install pg_oauth extension
	run: \|
	export USE_PGXS=1
	export PG_CONFIG=/usr/local/pgsql/bin/pg_config
	sudo make install

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