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This properly sets the project version in projects meson generates from
cmake projects. This allows dependency fallbacks to properly check the
version constraints in dependency calls when falling back to a cmake
subproject. Before this would fail, because the project version was
undefined.
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This is needed now that str.format() is not allowing it any more. It is
also more consistent with other objects that have that method as well,
such as build targets.
Fixes: #12406
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Change the shell prompt to '#' to when installing as root.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Releases have been happening an average of once every 90 days for the
past two years (since 0.60.0). If we just look at releases since 1.0.0,
the average is over 100 days.
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> error: unsupported option '--target'; did you mean '-target'?
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It was previously impossible to do this:
```
dep.get_pkgconfig_variable(
'foo',
define_variable: ['prefix', '/usr', 'datadir', '/usr/share'],
)
```
since get_pkgconfig_variable mandated exactly two (if any) arguments.
However, you could do this:
```
dep.get_variable(
'foo',
pkgconfig_define: ['prefix', '/usr', 'datadir', '/usr/share'],
)
```
It would silently do the wrong thing, by defining "prefix" as
`/usr=datadir=/usr/share`, which might not "matter" if only datadir was
used in the "foo" variable as the unmodified value might be adequate.
The actual intention of anyone writing such a meson.build is that they
aren't sure whether the .pc file uses ${prefix} or ${datadir} (or which
one gets used, might have changed between versions of that .pc file,
even).
A recent refactor made this into a hard error, which broke some projects
that were doing this and inadvertently depending on some .pc file that
only used the second variable. (This was "fine" since the result was
essentially meaningful, and even resulted in behavior identical to the
intended behavior if both projects were installed into the same prefix
-- in which case there's nothing to remap.)
Re-allow this. There are two ways we could re-allow this:
- ignore it with a warning
- add a new feature to allow actually doing this
Since the use case which triggered this bug actually has a pretty good
reason to want to do this, it makes sense to add the new feature.
Fixes https://bugs.gentoo.org/916576
Fixes https://github.com/containers/bubblewrap/issues/609
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When a user invokes the scan-build target that Meson generates
all subprojects are included in the resulting report. This commit
modifies the invocation of scan-build to exclude all bugs that
scan-build finds in the subprojects from the final report.
A release note has also been added describing the changed behaviour.
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We already use -j to support parallelism in meson compile. So let's add
the same for meson test and meson subprojects.
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This was previously allowed for different usage. Keep allowing it, but
with non fatal deprecation notice, and ignore the value from legacy
pkgconfig.
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Do as we do for MALLOC_PERTURB and set a sensible value for both ASAN_OPTIONS
and UBSAN_OPTIONS to abort on failure and give more helpful output at the
same time. We do not set these options if the user has exported a value
themselves to allow override.
In the last week alone, I've observed two cases where people were expecting
sanitizers to abort on failure and were surprised when it didn't:
1) https://github.com/git/git/commit/252d693797912ddb2684733160170f0408b73274
2) https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/c47df433f7bc9936fc59b323ca5e53ea4a04f40e
Correct this - which is in-line with meson's DWIM/DTRT philosophy.
Signed-off-by: Sam James <sam@gentoo.org>
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The release notes were using the older spelling "length".
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Which allow passing arguments specifically to the static or shared
libraries.
For design, this is all handled in the interpreter, by the build layer
the arguments are combined into the existing fields. This limits changes
required in the mid and backend layers
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Since the previous commit allows for more scenarios with name
collisions, it makes sense to expand the compile command so that it can
also take into account suffixes. i.e. meson compile -C build foo.exe can
now work if the executable has an exe suffix along with being named foo.
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When checking target names, meson explictly forbids having multiple
targets with the same name. This is good, but it is strict and it is
impossible to have targets with the same basename and differing suffixes
(e.g. foo and foo.bin) in the same directory. Allow this for executables
by including the suffix (if it exists) in the interal target id. So foo
would be foo@exe and foo.bin would be foo.bin@exe.
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fixes: #9254
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Because `CustomTargetIndex`es don't have a `subdir` property, but they do
implement the `get_subdir()` method
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Add the `clang-tidy-fix` target to apply clang-tidy fixes to the source
code.
This is done by calling `run-clang-tidy` with `-fix` argument.
Add a test case to run `clang-tidy-fix` and verify the file is changed.
Signed-off-by: Lei YU <yulei.sh@bytedance.com>
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The method can be overridden by setting the `method` key in the wrap
file and always defaults to 'meson'. cmake.subproject() is still needed
in case specific cmake options need to be passed.
This also makes it easier to extend to other methods in the future e.g.
cargo.
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add sw_64 to the list of known cpus
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Meson already knows if it's a shared or static library, user only need
to specify the ABI (Rust or C).
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Wayland, Weston, wlroots migrated to gitlab.freedesktop.org
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lcov moved from sourceforge to github, so this change updates the link.
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environment variables
See #11128
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This permits users who rely on following symlinks to stay on the old
default of following them.
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this printer preserves all whitespaces and comments in original meson.build file. It will be useful for rewrite and potential auto-formatter
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It was generating #include with the basename of every header file. That
assumes that every directory where there are headers are also included
into search path when compiling the .c file.
Change to use path relative to current subdir, which can be both in
build or source directory. That means that we assume that when the .c
file is compiled, the target has a include_directories pointing to the
directory where gnome.mkenum_simple() has been called, which is
generally '.' and added automatically.
Also fix type annotation to only allow str and File sources, other types
have never been working, it would require to iterate over custom target
outputs, etc.
Fixes: #7582
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Allow macro_name to be speficied as a parameter to configure_file().
This allows C macro-style include guards to be added to
configure_file()'s output when a template file is not given. This change
simplifies the creation of configure files that define macros with
dynamic names and want the C-style include guards.
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A standard C library may not exist for cross-compile
environments, thus the existence of <stdio.h> cannot be
guaranteed.
Use <stddef.h> instead, this header contains compiler-specific
defines thus it usually comes from the compiler.
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Adds a new method to the compiler object, has_define.
This makes it possible to check if a preprocessor macro/define
is set or not.
This is especially helpful if the define in question is empty,
for example:
#define MESON_EMPTY_DEFINE
This would yield the same results as a missing define with
the existing get_define method, as it would return an empty
string for both cases. Therefore this additional method is
needed.
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Allow packagecache to contain already extracted directory to match what
some distro does with Cargo source packages in /usr/share/cargo/registry.
Note that there is no need to lock the cache directory because we
download into a temporary name and atomically rename afterward. It means
we could be downloading the same file twice, but at least integrity is
guaranteed.
Fixes: #12211
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c_std, cpp_std: Change to a list of desired versions in preference order
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Prior to Windows 10, libfoo.a were usually not usable with MSVC. This is
not true any more since Autotools projects built with UCRT produce
libfoo.a that are compatible with MSVC.
This is another reason for using that naming convention in Meson.
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`meson setup -Dfoo=bar builddir` command was returning success ignoring
new option values.
This now also update options. It is useful because it means
`meson setup -Dfoo=bar builddir && ninja -C builddir` works regardless
whether builddir already exists or not, and when done in a script,
changing options in the script will automatically trigger a reconfigure
if needed. This was already possible by always passing --reconfigure
argument, but that triggers a reconfigure even when options did not
change.
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This reverts commit 84c8905d527893bedc673e8a036b8b2ec89368b4.
Fixed the cygwin failure...
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