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jak-project/third-party/curl/tests/http-server.pl
T
Alexander J. Semenuk 5d5e35fb9b fix: Windows toolchain compatibility (curl 8.21 re-vendor, endless reconfigure loop) (#4355)
## Problem

Windows builds break with a current local toolchain (Scoop LLVM 22.1.8,
CMake 4.4.0, VS 2026), in two independent ways:

1. The build stops at curl's deliberate guard: `#error "no non-blocking
method was found/used/set"` in `third-party/curl/lib/nonblock.c`.
2. From the second configure onward, `cmake --build` re-runs CMake in an
endless loop (observed 42 consecutive reconfigure cycles in a single
build). Likely the same mechanism behind the "endlessly building" VS
2026 note in `docs/setup/dev/vs.md`.

## Root cause

1. `third-party/curl/CMake/CurlTests.c` passes `int *` to
`ioctlsocket()`, whose third parameter is `u_long *`. Clang 22 promotes
`-Wincompatible-pointer-types` to a hard error in C, so the
`HAVE_IOCTLSOCKET_FIONBIO` try_compile silently fails and
`curl_config.h` never defines it. Upstream CI does not see this because
the windows-2022 runner image ships an older LLVM. GCC 14 promotes the
same warning to a hard error, which is very likely the `CurlTests.c.obj`
failure reported from MSYS2 in open-goal/jak-project#3551. Upstream curl
hit the identical problem with GCC 14 and fixed the probe in curl 8.8.0
(curl/curl#13578).
2. The root CMakeLists copies the build tree's `compile_commands.json`
into `<src>/build/` for clangd using `configure_file()`, which registers
its input as a configure dependency. CMake rewrites
`compile_commands.json` late in every generation, after
`CTestTestfile.cmake` and `cmake_install.cmake` (outputs of the same
Ninja regen rule), so once the dependency is registered the rule is
deterministically dirty and every `ninja` invocation re-runs CMake. A
pristine first configure is safe (the file does not exist yet, so the
`if(EXISTS ...)` guard skips the copy), which is why the loop looks
machine- or IDE-specific.

## Fix

1. Per review, re-vendor `third-party/curl` at the `curl-8_21_0` tag
(previously `curl-8_3_0`), which carries the upstream probe fix plus two
years of upstream development; `vendor.yaml` updated to match.
Adjustments the version jump forced:
- curl 8.15 removed the native macOS Secure Transport backend
(`CURL_USE_SECTRANSP`), so macOS now builds curl against OpenSSL like
Linux. The two macOS workflows install Homebrew `openssl@3` and export
`OPENSSL_ROOT_DIR` (keg-only), and the macOS setup docs gained the same
two lines.
- `CURL_BROTLI` / `CURL_ZSTD` switched to AUTO-detection in curl 8.10;
pinned OFF to keep the previous no-compression behavior and avoid
silently linking whatever the CI images happen to have.
- curl's new top-level `BUILD_EXAMPLES` cache option (default ON) leaked
into discord-rpc's identically named option and broke configure at a
nonexistent `examples/send-presence` directory; pinned OFF ahead of the
third-party subdirectories.

The diff is dominated by the mechanical tag-tree swap under
`third-party/curl` (linguist-vendored, collapsed in review). The
hand-written changes are `CMakeLists.txt`, the two macOS workflows,
`docs/setup/system/macos.md`, and `vendor.yaml`.
2. Swap `configure_file()` for `file(COPY ...)`: the same clangd copy
with no configure dependency registered. (`file(COPY_FILE ...
ONLY_IF_DIFFERENT)` would be cleaner still but requires CMake 3.21,
above the declared `cmake_minimum_required(VERSION 3.10)`.)

## Test plan

- [x] Fresh `cmake --preset Release-windows-clang` (LLVM 22, no cache
seeding) completes and logs `Enabled SSL backends: Schannel`; the
FIONBIO probe passes without the previous `#error`
- [x] Full Windows Release build from scratch in the branch worktree
(all 1422 targets)
- [x] goalc-test suite: 1509 passed, 0 failed
- [x] Second consecutive configure with `compile_commands.json` present:
the regen rule in `build.ninja` has no `compile_commands.json` input;
`<src>/build/compile_commands.json` is still refreshed for clangd
- [x] Repeated `ninja` invocations after a full build no longer re-run
CMake
- [x] macOS Intel and ARM CI green (first exercise of the OpenSSL
backend switch)

---

I work off a self-hosted forge, so this GitHub account is quiet; the
configure logs and ninja dirty-node traces from the investigation are
available if anyone wants the raw data.

(AI-assisted)
2026-07-27 19:19:18 -04:00

192 lines
5.0 KiB
Perl
Vendored
Generated

#!/usr/bin/env perl
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
#***************************************************************************
use strict;
use warnings;
BEGIN {
push(@INC, $ENV{'srcdir'}) if(defined $ENV{'srcdir'});
push(@INC, ".");
}
use File::Basename;
use serverhelp qw(
server_pidfilename
server_logfilename
server_exe
);
my $verbose = 0; # set to 1 for debugging
my $port = 8990; # a default
my $unix_socket; # location to place a listening Unix socket
my $ipvnum = 4; # default IP version of http server
my $idnum = 1; # default http server instance number
my $proto = 'http'; # protocol the http server speaks
my $pidfile; # pid file
my $portfile; # port number file
my $logfile; # log file
my $cmdfile; # command file
my $connect; # IP to connect to on CONNECT
my $keepalive_secs; # number of seconds to keep idle connections
my $srcdir;
my $gopher = 0;
my $flags = "";
my $path = '.';
my $logdir = $path .'/log';
my $piddir;
while(@ARGV) {
if($ARGV[0] eq '--pidfile') {
if($ARGV[1]) {
$pidfile = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--portfile') {
if($ARGV[1]) {
$portfile = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--config') {
if($ARGV[1]) {
$cmdfile = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--logfile') {
if($ARGV[1]) {
$logfile = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--logdir') {
if($ARGV[1]) {
$logdir = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--srcdir') {
if($ARGV[1]) {
$srcdir = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--ipv4') {
$ipvnum = 4;
}
elsif($ARGV[0] eq '--ipv6') {
$ipvnum = 6;
}
elsif($ARGV[0] eq '--unix-socket') {
$ipvnum = 'unix';
if($ARGV[1]) {
$unix_socket = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--gopher') {
$gopher = 1;
}
elsif($ARGV[0] eq '--port') {
if($ARGV[1] =~ /^(\d+)$/) {
$port = $1;
shift @ARGV;
}
}
elsif($ARGV[0] eq '--connect') {
if($ARGV[1]) {
$connect = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--keepalive') {
if($ARGV[1]) {
$keepalive_secs = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--id') {
if($ARGV[1] =~ /^(\d+)$/) {
$idnum = $1 if($1 > 0);
shift @ARGV;
}
}
elsif($ARGV[0] eq '--verbose') {
$verbose = 1;
}
else {
print STDERR "\nWarning: http-server.pl unknown parameter: '$ARGV[0]'\n";
}
shift @ARGV;
}
#***************************************************************************
# Initialize command line option dependent variables
#
if($pidfile) {
# Use our pidfile directory to store the other pidfiles
$piddir = dirname($pidfile);
}
else {
# Use the current directory to store all the pidfiles
$piddir = $path;
$pidfile = server_pidfilename($piddir, $proto, $ipvnum, $idnum);
}
if(!$portfile) {
$portfile = server_portfilename($piddir, $proto, $ipvnum, $idnum);
}
if(!$srcdir) {
$srcdir = $ENV{'srcdir'} || '.';
}
if(!$logfile) {
$logfile = server_logfilename($logdir, $proto, $ipvnum, $idnum);
}
$flags .= "--pidfile \"$pidfile\" ".
"--cmdfile \"$cmdfile\" ".
"--logfile \"$logfile\" ".
"--logdir \"$logdir\" ".
"--portfile \"$portfile\" ";
$flags .= "--gopher " if($gopher);
$flags .= "--connect $connect " if($connect);
$flags .= "--keepalive $keepalive_secs " if($keepalive_secs);
if($ipvnum eq 'unix') {
$flags .= "--unix-socket '$unix_socket' ";
} else {
$flags .= "--ipv$ipvnum --port $port ";
}
$flags .= "--srcdir \"$srcdir\"";
if($verbose) {
print STDERR "RUN: ".server_exe('sws')." $flags\n";
}
$| = 1;
exec("exec ".server_exe('sws')." $flags");