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structured_sources: fix subdir handling
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In the even that all of the inputs are generated, and they're all
generated into the same folder, and there are no subfolders, we would
fail to correctly handle all of the files after the main file. Let's fix
that.t
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Which we pretty obviously need if any of our headers are generated
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In the original RefMan 2.0 implementation, this incorrectly started
claiming that the default is false.
Fixes #10155
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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.
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While gtk+-3.0 / gtk4 do exist, they have never provided the location of
the gtk-update-icon-cache program as a pkgconfig variable. Trying to
find one anyway, resulted in two things happening:
- a useless dep lookup
- a fatal-meson-warnings error and build failure because the
get_pkgconfig_variable() in question never existed
The desktop-file-utils package is a package solely providing some
command line programs, and has never provided a pkg-config file in the
first place, so this always logged that the dependency was not found and
fell back to normal find_program_impl(), although without
fatal-meson-warnings build errors.
Fixes #10139
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Apparently Azure provides 64-bit python2 when we try to test 32-bit, and
that breaks everything on the 32-bit test runner.
I don't understand the environment setup, and that runner is
disappearing soon anyway. Hopefully this shuts up the known breakage.
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If a version of python is installed for testing against, we should
assume it's actually important to test against it.
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Perhaps when this test case was originally created, project tests could
not use a matrix of options? This is certainly possible today, so don't
write special unittest handling for this instead.
This adds proper visibility into what gets run and what doesn't. Now we
know which python executables got tested and which got skipped.
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The code in the C++ and Fortran compilers' language_stdlib_only_link_flags
method is broken and cannot possibly have ever worked. Instead of
splitting by line, it splits by whitespace and therefore, instead of
the last line of the compiler output:
programs: =/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
libraries: =/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0
it is only the last field that has its first 11 characters removed.
Instead of reinventing the wheel with a new and brittle pattern,
reuse get_compiler_dirs.
Fixes: 64c267c49 ("compilers: Add default search path stdlib_only_link_flags", 2021-09-25)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When reverting from 0.62 to 0.59, one can see an error like this:
line 1003, in load
obj = pickle.load(f)
File "/Users/pm215/src/qemu-for-merges/meson/mesonbuild/mesonlib/universal.py",
line 2076, in __setstate__
self.__init__(**state) # type: ignore
TypeError: __init__() got an unexpected keyword argument 'module'
FAILED: build.ninja
Raise a MesonException for TypeError as well, so that reconfiguration
proceeds using cmd_line.txt.
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It was originally added because proper detection was not working on
Debian, but that has been fixed since. It was causing annoying warning
by default when prefix is /usr/local that can only be avoided by setting
options.
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This reverts commit 79c6075b560dbf1c3e4e0b30f1c472dc2086421e.
# Conflicts:
# docs/markdown/snippets/devenv.md
# mesonbuild/modules/python.py
# test cases/unit/91 devenv/test-devenv.py
PYTHONPATH cannot be reliably determined. The standard use case for
installing python modules with Meson is mixed pure sources (at least
`__init__.py`) and compiled extension_modules or configured files.
Unfortunately that doesn't actually work because python will not load
the same package hierarchy from two different directories, one a source
directory and one a (mandatory) out of tree build directory.
(It kind of can, but you need to do what this test case accidentally
stumbled upon, which is namespace packages. Namespace packages are a
very specific use case and you are NOT SUPPOSED to use them outside that
use case, so people are not going to use them just to circumvent Meson
devenv stuff as that would have negative install-time effects.)
Adding PYTHONPATH anyway will just lead to documentation commitments
which we cannot actually uphold, and confusing issues at time of use
because some imports *will* work... and some will *not*. The end result
will be a half-created tree of modules which just doesn't work together
at all, but because it partially works, users attempting to debug it
will spend time wondering why parts of it do import.
For any case where the automatic devenv would work correctly, it will
also work correctly to use `meson.add_devenv()` a single time, which is
very easy to manually get correct and doesn't provide any significant
value to automate.
In the long run, an uninstalled python package environment will require
"editable installs" support.
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Keep conditions first, then "if true" fields, and the if_false sources last.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Dependencies in the "if_true" keyword argument do not prevent the
sources from being used; in other words, they work just like dependencies
with "disabler: false".
However, this was broken in commit ab0ffc6a2 ("modules/sourceset: Fix
remaining typing issues", 2022-02-23) which changed logic instead of
just fixing typing issues. This was likely an attempt to avoid using
"dependencies.Dependency" after the "dependencies" field was declared,
but it also broke QEMU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The dependencies field clashes with the dependencies module, so that
mypy interprets "dependencies.Dependency" as a "Dependency" attribute
of the "dependencies" field.
Rename the field to something else, so that it does not clash.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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In commit 68e684d51f1e469e0d9f4b499ffda15146cad98a the _get_link_args
function was modified from returning a list[str] of arguments, to a
tuple of both that and a modified copy of the entire target's
current/enhanced dependencies (why not just the new ones? I don't know).
However, the existing use of the function was not adapted to this
change, and tried to turn this entire tuple into a node of the command
line. Tuples cannot flatten to lists, and mesonlib.File or
HoldableObjects don't make good command line arguments.
As a result we errored out with:
ERROR: Argument (['-L/path/to/builddir/', '--extra-library=foo'], [<SharedLibrary 25a6634@@foo@sha: foo>, <SharedLibrary 25a6634@@foo@sha: foo>, <SharedLibrary 25a6634@@foo@sha: foo>]) in "command" is invalid
Split out the flags and the dependencies and update the former while
replacing the latter.
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In this case, the test fname might have an implicit extension and cannot
be found by `os.path.isfile()`.
We cannot use `shutil.which()` to handle platform differences, because
not all test fnames are executable -- for example Java jars.
The test representation does have an "is built" attribute which in
theory should work here, because all built targets definitely have their
full filename known to Meson, but it turns out to be misnamed. Rename it
correctly and add an actual "is built" attribute to check.
Tests which aren't built by Meson can be assumed to exist without
consulting their existence on the filesystem.
Fixes #10027
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We need this for the python module, as implemented in commit
e8375d20a9aeb8c3b0ad58f299ded0e5e978b447, but that then crashed in
subprojects because those options were never forwarded to the subproject
interpreter.
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Structured Sources
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And now that it doesn't need it, it errors out when you use it.
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We are supposed to fallback on the fallback when running the vcstagger,
but instead we errored out during configure.
Fixes regression in commit b402817fb6f0392812bfa272bdbc05c9c30139fa.
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*.
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This prints many lines of unwanted "done /absolute/path",
I noticed this when testing 0.62.0rc1 with SciPy.
[ci skip]
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dataonly files are architecture independent (lib vs lib64 for example).
Fixes #9902
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In commit c88bfdbefc2f79ac2dfa9bff5847c350de5f5db8 we added support for
an exe_wrapper to gtkdoc, which checked twice whether the environment
says it is needed, and didn't check at all whether one was provided.
The result:
File "/usr/lib/python3/dist-packages/mesonbuild/modules/gnome.py", line 1354, in gtkdoc
t_args.append('--run=' + ' '.join(state.environment.get_exe_wrapper().get_command()))
AttributeError: 'NoneType' object has no attribute 'get_command'
Instead, check whether we have a valid exe_wrapper (if we don't need
one, then even when one is defined in the cross file, we get an
EmptyExternalProgram) and if we do, use it.
If we don't have one, but need one, then we revert back to the behavior
before commit c88bfdbefc2f79ac2dfa9bff5847c350de5f5db8, which probably
means "executing the doc target causes the command to error out with
"Exec format error".
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The regex in question causes Python's regex parser to freeze
indefinitely in certain Python versions. That might be due
to a bug or because the re does infinite backtracking and it just
happened to work on earlier implementations.
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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
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This reverts commit e257a870fe5e676c55a2282b0e7fc9be34bba2ac.
The PR adding this command had infinitely hanging CI, and now that it is
merged to master we cannot get any CI on any PR to succeed.
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The bitcode test did not actually have bitcode enabled,
making it not really useful.
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There are two cases where we can assume we found the python dependency
with its requisite libraries using sysconfig:
- we found the library with find_library and are prepared to link to it
- the library is not actually part of the dependency, so its presence or
absence is irrelevant
In the latter case, we should consider it found if link_libpython is
False. Originally we did this, but the logic was inverted in commit
5b422fce87826beff3bca85e9c9081f22b3f45b7 in an unrelated change and
without explanation, likely by accident.
Normally this doesn't much matter, since a python invariably comes with
a predictably located libpython and the first condition evaluates true.
But that is not true for pypy, and in fact that is the reason the
link_libpython check was originally added in commit
1bd14b52b26b0f4ec207bf7e38813b82bfc15f86.
Restore that original logic.
Fixes #8570
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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.
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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.
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A bunch of files have several T.TYPE_CHECKING blocks that each do some
things which could just as well be done once, with a single `if`
statement. Make them do so.
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This is hardly complete, but it's a start.
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