jade
c97e17144e
This breaks downstreams linking to us on purpose to make sure that if
someone is linking to Lix they're doing it on purpose and crucially not
mixing up Nix and Lix versions in compatibility code.
We still need to fix the internal includes to follow the same schema so
we can drop the single-level include system entirely. However, this
requires a little more effort.
This adds pkg-config for libfetchers and config.h.
Migration path:
expr.hh -> lix/libexpr/expr.hh
nix/config.h -> lix/config.h
To apply this migration automatically, remove all `<nix/>` from
includes, so: `#include <nix/expr.hh>` -> `#include <expr.hh>`. Then,
the correct paths will be resolved from the tangled mess, and the
clang-tidy automated fix will work.
Then run the following for out of tree projects:
```
lix_root=$HOME/lix
(cd $lix_root/clang-tidy && nix develop -c 'meson setup build && ninja -C build')
run-clang-tidy -checks='-*,lix-fixincludes' -load=$lix_root/clang-tidy/build/liblix-clang-tidy.so -p build/ -fix src
```
Related: lix-project/nix-eval-jobs#5
Fixes: #279
Change-Id: I7498e903afa6850a731ef8ce77a70da6b2b46966
70 lines
1.8 KiB
Meson
70 lines
1.8 KiB
Meson
project('lix-perl', 'cpp',
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version : run_command('bash', '-c', 'echo -n $(cat ../.version)$VERSION_SUFFIX', check : true).stdout().strip(),
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default_options : [
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'cpp_std=c++2a',
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# TODO(Qyriad): increase the warning level
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'debug=true',
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# FIXME(Qyriad): should this be -O2? The main nix build was switched to -O2 in 3c5234430
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'optimization=3',
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],
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)
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fs = import('fs')
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prefix = get_option('prefix')
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libdir = get_option('libdir')
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if not fs.is_absolute(libdir)
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libdir = prefix / libdir
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endif
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cxx = meson.get_compiler('cpp')
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# Really version 5.8.0, but Perl's version string is of the form
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# "This is perl 5, version 38, subversion 2", for 5.38.2, so as far
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# as Meson is concerned, the version of Perl we need is 8 or greater.
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perl = find_program('perl', version : '>=8')
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# "compiler to convert Perl XS code into C code"
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xsubpp = find_program('xsubpp')
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perl_version = run_command(
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perl,
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'-e',
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'use Config; print $Config{version};',
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capture : true,
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check : true,
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).stdout()
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perl_arch_name = run_command(
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perl,
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'-e',
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'use Config; print $Config{archname};',
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capture : true,
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check : true,
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).stdout()
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perl_libdir = f'@libdir@/perl5/site_perl/@perl_version@/@perl_arch_name@'
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perl_incdir = run_command(
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perl,
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'-e',
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'use Config; print $Config{archlibexp};',
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capture : true,
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check : true,
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).stdout() + '/CORE'
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perl_include = declare_dependency(
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# This must have is_system : true, or #include "config.h" will get perl's config.h
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# instead of Nix's.
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include_directories : include_directories(perl_incdir, is_system : true),
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)
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sodium = dependency('libsodium', 'sodium', required : true)
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if cxx.get_linker_id() in ['ld.bfd', 'ld.gold']
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add_project_link_arguments('-Wl,--no-copy-dt-needed-entries', language : 'cpp')
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endif
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libstore = dependency('lixstore', 'lix-store', required : true)
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subdir('lib/Nix')
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