This moves generally useful logic from GNOME module's
_get_native_binary() into find_program() implementation. We could decide
later to expose it as public API.
Adds a new debug() function that can be used in the meson.build to
log messages to the meson-log.txt that will not be printed to stdout
when configuring the project.
These are only used for type checking, so don't bother importing them at
runtime.
Generally add future annotations at the same time, to make sure that
existing uses of these imports don't need to be quoted.
Previously subprojects inherited languages already added by main
project, or any previous subproject. This change to have a list of
compilers per interpreters, which means that if a subproject does not
add 'c' language it won't be able to compile .c files any more, even if
main project added the 'c' language.
This delays processing list of compilers until the interpreter adds the
BuildTarget into its list of targets. That way the interpreter can add
missing languages instead of duplicating that logic into BuildTarget for
the cython case.
We currently don't handle subdirectories correctly in
structured_sources, which is problematic. To make this easier to handle
correctly, I've simply changed `structured_sources` to only use Files
and not strings as an implementation detail.
We need this for the python module, as implemented in commit
e8375d20a9, but that then crashed in
subprojects because those options were never forwarded to the subproject
interpreter.
We are supposed to fallback on the fallback when running the vcstagger,
but instead we errored out during configure.
Fixes regression in commit b402817fb6.
Before this, we used shutil.which || relative paths, and in the latter
case if it could not be found we still wrote out that path but it failed
to run in vcstagger. Now, we use find_program under the hood, so it
needs to be run in non-fatal mode, and if it is not found, we simply
keep the original command string. It's a VCS command, so if we magically
end up finding it at runtime because it was installed after running
configure, that is *fine*.
It used to be possible to do this:
```
bomb = find_program('nonexisting', required: false)
test('traceback during meson test', bomb)
```
and it would in fact bomb out, with:
```
[0/1] Running all tests.
Traceback (most recent call last):
File "/usr/lib/python3.10/site-packages/mesonbuild/mesonmain.py", line 149, in run
return options.run_func(options)
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 2017, in run
return th.doit()
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1685, in doit
runners.extend(self.get_test_runner(test) for test in tests)
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1685, in <genexpr>
runners.extend(self.get_test_runner(test) for test in tests)
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1586, in get_test_runner
return SingleTestRunner(test, env, name, options)
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1308, in __init__
self.cmd = self._get_cmd()
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1374, in _get_cmd
test_cmd = self._get_test_cmd()
File "/usr/lib/python3.10/site-packages/mesonbuild/mtest.py", line 1352, in _get_test_cmd
if self.options.no_rebuild and not os.path.isfile(testentry):
File "/usr/lib/python3.10/genericpath.py", line 30, in isfile
st = os.stat(path)
TypeError: stat: path should be string, bytes, os.PathLike or integer, not NoneType
ERROR: Unhandled python exception
This is a Meson bug and should be reported!
```
This is something we explicitly check for elsewhere, for example when
using a not-found program as a command in a custom target or generator.
Check for it when making a test too, and error out with a similar error.
Fixes#10091
These are only used for type checking, so don't bother importing them at
runtime.
Generally add future annotations at the same time, to make sure that
existing uses of these imports don't need to be quoted.
Using future annotations, type annotations become strings at runtime and
don't impact performance. This is not possible to do with T.cast though,
because it is a function argument instead of an annotation.
Quote the type argument everywhere in order to have the same effect as
future annotations. This also allows linters to better detect in some
cases that a given import is typing-only.
It is often useful to check the found version of a program without
checking whether you can successfully find
`find_program('foo', required: false, version: '>=XXX')`
It makes no sense to specify both:
- install_dir, which overrides the -Dincludedir= builtin option
- subdir, which suffixes the -Dincludedir= builtin option
We've always silently ignored the subdir in this case, which is really
surprising if someone actually passed it and expected it to do
something. We also confusingly didn't say anything in the documentation
about it.
Document that the options are incompatible, and explicitly check to see
if they are both passed -- if so, raise an error message pointing out
that only install_dir should be used.
Fixes#10046
It would be too difficult and probably a layering violation to give an
interpreter handle to the inner guts of every dependency. What we can do
instead is let every dependency track:
- the Feature checks it can produce,
- the version attribute for when it was implemented
while leaving the interpreter in charge of actually emitting them.
The point of a .use() function is because we don't always have the
information we need to use a feature check, so we allow creating the
feature and then storing it for later use. When implementing location
checks, although it is optional, actually using it violated that design.
Move the location out of the init method for FeatureCheck itself. It
remains compatible with all cases of .single_use(), but fix the rest up.
Kirill Isakov
Eli Schwartz
Eli Schwartz
Xavier Claessens
Marvin Scholz
Dylan Baker
Jussi Pakkanen
Remi Thebault
Christian Wendt