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jak-project/third-party/curl/tests/Makefile.am
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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

186 lines
4.3 KiB
Makefile
Vendored
Generated

#***************************************************************************
# _ _ ____ _
# 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
#
###########################################################################
# scripts used in test cases
TESTSCRIPTS = \
test1119.pl \
test1135.pl \
test1139.pl \
test1140.pl \
test1165.pl \
test1167.pl \
test1173.pl \
test1175.pl \
test1177.pl \
test1222.pl \
test1275.pl \
test1276.pl \
test1477.pl \
test1486.pl \
test1488.pl \
test1544.pl \
test1707.pl \
test745.pl \
test971.pl
EXTRA_DIST = \
CMakeLists.txt \
allversions.pm \
appveyor.pm \
azure.pm \
devtest.pl \
dictserver.py \
directories.pm \
ech_combos.py \
ech_tests.sh \
ftpserver.pl \
getpart.pm \
globalconfig.pm \
http-server.pl \
http2-server.pl \
http3-server.pl \
memanalyze.pl \
memanalyzer.pm \
negtelnetserver.py \
nghttpx.conf \
pathhelp.pm \
processhelp.pm \
requirements.txt \
rtspserver.pl \
runner.pm \
runtests.pl \
secureserver.pl \
serverhelp.pm \
servers.pm \
smbserver.py \
sshhelp.pm \
sshserver.pl \
testcurl.pl \
testutil.pm \
tftpserver.pl \
util.py \
valgrind.pm \
valgrind.supp \
$(TESTSCRIPTS)
# we have two variables here to make sure DIST_SUBDIRS does not get 'unit'
# added twice as then targets such as 'distclean' misbehave and try to
# do things twice in that subdir at times (and thus fails).
if BUILD_UNITTESTS
BUILD_UNIT = unit tunit
DIST_UNIT =
else
BUILD_UNIT =
DIST_UNIT = unit tunit
endif
SUBDIRS = certs data server libtest http $(BUILD_UNIT)
DIST_SUBDIRS = $(SUBDIRS) $(DIST_UNIT)
PERLFLAGS = -I$(srcdir)
CLEANFILES = .http.pid .https.pid .ftp.pid .ftps.pid
curl:
@cd $(top_builddir) && $(MAKE)
TEST_COMMON =
if CROSSCOMPILING
TEST = @echo "NOTICE: we cannot run the tests when cross-compiling!"
PYTEST = $(TEST)
else # if not cross-compiling:
if BUILD_DOCS
else
TEST_COMMON += !documentation
endif
TEST = srcdir=$(srcdir) @PERL@ $(PERLFLAGS) $(srcdir)/runtests.pl $(TEST_COMMON)
TEST_Q = -a -s
TEST_AM = -a -am
TEST_F = -a -p -r
TEST_T = -a -t -j20
TEST_E = -a -e
# ~<keyword> means that it runs all tests matching the keyword, but ignores
# their results (since these ones are likely to fail for no good reason)
TEST_NF = -a -p ~flaky ~timing-dependent
# special target for CI use
TEST_CI = $(TEST_NF) -r --retry=5 -j20 --buildinfo
PYTEST = pytest
endif
# make sure that PERL is pointing to an executable
perlcheck:
@if ! test -x "@PERL@"; then echo "No perl!"; exit 2; fi
build-certs: perlcheck
(cd certs && $(MAKE))
# alias for 'test' to match CMake, where 'test' is a reserved target
tests: test
test: perlcheck all
$(TEST) $(TFLAGS)
quiet-test: perlcheck all
$(TEST) $(TEST_Q) $(TFLAGS)
am-test: perlcheck all
$(TEST) $(TEST_AM) $(TFLAGS)
ci-test: perlcheck all
$(TEST) $(TEST_CI) $(TFLAGS)
full-test: perlcheck all
$(TEST) $(TEST_F) $(TFLAGS)
nonflaky-test: perlcheck all
$(TEST) $(TEST_NF) $(TFLAGS)
torture-test: perlcheck all
$(TEST) $(TEST_T) $(TFLAGS)
event-test: perlcheck all
$(TEST) $(TEST_E) $(TFLAGS)
default-pytest: ci-pytest
ci-pytest: all
srcdir=$(srcdir) $(PYTEST) -n auto -v $(srcdir)/http
checksrc:
(cd libtest && $(MAKE) checksrc)
(cd unit && $(MAKE) checksrc)
(cd tunit && $(MAKE) checksrc)
(cd server && $(MAKE) checksrc)
all-local: $(MANFILES) build-certs
distclean:
rm -f $(MANFILES)