Tweak some 0.46 release note language [skip ci]
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Nirbheek Chauhan
GitHub
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@ -11,6 +11,7 @@ Added the function `subdir_done()`. Its invocation exits the current script at
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the point of invocation. All previously invoked build targets and commands are
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build/executed. All following ones are ignored. If the current script was
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invoked via `subdir()` the parent script continues normally.
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## Log output slightly changed
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The format of some human-readable diagnostic messages has changed in
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@ -38,8 +39,8 @@ cpp_args = ['--cpu=Cortex-M0plus']
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A new function `both_libraries()` has been added to build both shared and static
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libraries at the same time. Source files will be compiled only once and object
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files will be reused to build both shared and static libraries, unless
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`b_staticpic` user option or `pic` argument are set to false in which case
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sources will be compiled twice.
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`b_staticpic` user option or `pic:` keyword argument are set to false in which
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case sources will be compiled twice.
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The returned `buildtarget` object always represents the shared library.
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@ -56,14 +57,14 @@ result = run_command(cc, '-print-file-name=plugin')
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plugin_dev_path = result.stdout().strip()
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```
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## declare_dependency() supports link_whole
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## declare_dependency() now supports `link_whole:`
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`declare_dependency()` supports `link_whole` parameter.
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`link_whole` propagates to build target that uses dependency.
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`declare_dependency()` now supports the `link_whole:` keyword argument which
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transparently works for build targets which use that dependency.
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## Old command names are now errors
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Old executable names `mesonintrospect`, `mesonconf`, `mesonrewriter`
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The old executable names `mesonintrospect`, `mesonconf`, `mesonrewriter`
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and `mesontest` have been deprecated for a long time. Starting from
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this version they no longer do anything but instead always error
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out. All functionality is available as subcommands in the main `meson`
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@ -78,8 +79,8 @@ form, like `meson` has.
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## Recursively extract objects
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`recursive` keyword argument has been added to `extract_all_objects`. When set
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to `true` it will also return objects passed to the `objects` argument of this
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The `recursive:` keyword argument has been added to `extract_all_objects()`. When set
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to `true` it will also return objects passed to the `objects:` argument of this
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target. By default only objects built for this target are returned to maintain
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backward compatibility with previous versions. The default will eventually be
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changed to `true` in a future version.
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@ -89,7 +90,7 @@ lib1 = static_library('a', 'source.c', objects : 'prebuilt.o')
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lib2 = static_library('b', objects : lib1.extract_all_objects(recursive : true))
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```
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## Can override find_program
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## Can override find_program()
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It is now possible to override the result of `find_program` to point
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to a custom program you want. The overriding is global and applies to
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@ -127,10 +128,10 @@ prog_script = configure_file(input : 'script.sh.in',
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meson.override_find_program('mycodegen', prog_script)
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```
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## has_link_argument() and friends
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## New functions: has_link_argument() and friends
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A new set of methods has been added on compiler objects to test if the linker
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supports given arguments.
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A new set of methods has been added to [compiler objects](Reference-manual.md#compiler-object)
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to test if the linker supports given arguments.
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- `has_link_argument()`
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- `has_multi_link_arguments()`
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@ -164,12 +165,14 @@ meson.build for them with the dependencies of sdl2 and gl and
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immediately try to build it, overwriting any previous meson.build and
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build directory.
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## install_data() supports rename
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## install_data() supports `rename:`
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The `rename:` keyword argument is used to change names of the installed
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files. Here's how you install and rename the following files:
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`rename` parameter is used to change names of the installed files.
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In order to install
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- `file1.txt` into `share/myapp/dir1/data.txt`
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- `file2.txt` into `share/myapp/dir2/data.txt`
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```meson
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install_data(['file1.txt', 'file2.txt'],
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rename : ['dir1/data.txt', 'dir2/data.txt'],
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@ -274,8 +277,9 @@ Now the generated file contains the needed dependencies libraries directly withi
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argument.
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Projects that install both a static and a shared version of a library should use
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the result of `both_libraries` to the pkg config file generator or use
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configure_file for more complicated setups.
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the result of [`both_libraries()`](Reference-manual.md#both_libraries) to the
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pkg-config file generator or use [`configure_file()`](Reference-manual.md#configure_file)
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for more complicated setups.
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## Improvements to pkgconfig module
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@ -294,19 +298,19 @@ pkgconfig.generate(mylib)
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## pkgconfig.generate() requires parameters non-string arguments
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`pkgconfig.generate()` `requires` and `requires_private` parameters
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accept pkgconfig-dependencies and libraries that pkgconfig-files were
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`pkgconfig.generate()` `requires:` and `requires_private:` keyword arguments
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now accept pkgconfig-dependencies and libraries that pkgconfig-files were
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generated for.
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## Generic python module
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This is a revamped and generic (python 2 and 3) version of the python3
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module. With this new interface, projects can now fully specify the version
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of python they want to build against / install sources to, and can do so
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against multiple major or minor versions in parallel.
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Meson now has is a revamped and generic (python 2 and 3) version of the python3
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module. With [this new interface](Python-module.md), projects can now fully
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specify the version of python they want to build against / install sources to,
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and can do so against multiple major or minor versions in parallel.
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## test now supports depends keyword parameter
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## test() now supports the `depends:` keyword argument
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Build targets and custom targets can be listed in depends argument of test
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function. These targets will be built before test is run even if they have
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Build targets and custom targets can be listed in the `depends:` keyword argument
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of test function. These targets will be built before test is run even if they have
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`build_by_default : false`.
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