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meson: Don't override RUSTFLAGS in the env

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Meson does not add RUSTFLAGS to rustc.cmd_array(), so the effect of
this code is to override that value in the env.

This is hacky, since the env has to match during setup and compile
now, and rust_args added in the cross / native file will be ignored.
But at least it fixes this regression:

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/372

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1237>
This commit is contained in:
Nirbheek Chauhan 2023-06-08 17:33:47 +05:30
parent bbd3d9ffe0
commit 89002b4562
2 changed files with 8 additions and 14 deletions
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9
cargo_wrapper.py
View file

@ -7,6 +7,7 @@ import os
import shutil
import subprocess
import sys
import shlex
from argparse import ArgumentParser
from pathlib import Path as P
@ -83,14 +84,16 @@ if __name__ == "__main__":
env['PKG_CONFIG_PATH'] = os.pathsep.join(pkg_config_path)
rustc_target = None
if 'RUSTFLAGS' in env:
if 'RUSTC' in env:
rustc_cmdline = shlex.split(env['RUSTC'])
# grab target from RUSTFLAGS
rust_flags = env['RUSTFLAGS'].split()
rust_flags = rustc_cmdline[1:] + shlex.split(env.get('RUSTFLAGS', ''))
if '--target' in rust_flags:
rustc_target_idx = rust_flags.index('--target')
_ = rust_flags.pop(rustc_target_idx) # drop '--target'
rustc_target = rust_flags.pop(rustc_target_idx)
env['RUSTFLAGS'] = ' '.join(rust_flags)
env['RUSTFLAGS'] = shlex.join(rust_flags)
env['RUSTC'] = rustc_cmdline[0]
features = opts.features
if opts.command == 'build':

13
meson.build
View file

@ -386,17 +386,8 @@ if pkg_config_path.length() > 0
extra_env += {'PKG_CONFIG_PATH': pathsep.join(pkg_config_path)}
endif
# get compiler and flags for rust (if any)
rustc_cmd = ''
rust_flags = []
foreach rustc_arg : rustc.cmd_array()
if rustc_cmd == ''
rustc_cmd = rustc_arg
else
rust_flags += [rustc_arg]
endif
endforeach
extra_env += {'RUSTC': rustc_cmd, 'RUSTFLAGS': ' '.join(rust_flags)}
# get cmdline for rust
extra_env += {'RUSTC': ' '.join(rustc.cmd_array())}
rs_plugins = custom_target('gst-plugins-rs',
build_by_default: true,