mirror of
https://github.com/NixOS/nix
synced 2025-06-27 21:01:16 +02:00
15658b259f
The short answer for why we need to do this is so we can consistently do
`#include "nix/..."`. Without this change, there are ways to still make
that work, but they are hacky, and they have downsides such as making it
harder to make sure headers from the wrong Nix library (e..g.
`libnixexpr` headers in `libnixutil`) aren't being used.
The C API alraedy used `nix_api_*`, so its headers are *not* put in
subdirectories accordingly.
Progress on #7876
We resisted doing this for a while because it would be annoying to not
have the header source file pairs close by / easy to change file
path/name from one to the other. But I am ameliorating that with
symlinks in the next commit.
(cherry picked from commit f3e1c47f47)
76 lines
1.8 KiB
Meson
76 lines
1.8 KiB
Meson
project('nix-expr-c', 'cpp',
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version : files('.version'),
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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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'warning_level=1',
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'errorlogs=true', # Please print logs for tests that fail
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],
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meson_version : '>= 1.1',
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license : 'LGPL-2.1-or-later',
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)
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cxx = meson.get_compiler('cpp')
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subdir('nix-meson-build-support/deps-lists')
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deps_private_maybe_subproject = [
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dependency('nix-util'),
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dependency('nix-store'),
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dependency('nix-expr'),
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]
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deps_public_maybe_subproject = [
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dependency('nix-util-c'),
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dependency('nix-store-c'),
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]
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subdir('nix-meson-build-support/subprojects')
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add_project_arguments(
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# TODO(Qyriad): Yes this is how the autoconf+Make system did it.
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# It would be nice for our headers to be idempotent instead.
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# From C++ libraries, only for internals
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'-include', 'nix/config-util.hh',
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'-include', 'nix/config-store.hh',
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'-include', 'nix/config-expr.hh',
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language : 'cpp',
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)
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subdir('nix-meson-build-support/common')
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sources = files(
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'nix_api_expr.cc',
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'nix_api_external.cc',
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'nix_api_value.cc',
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)
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include_dirs = [include_directories('.')]
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headers = files(
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'nix_api_expr.h',
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'nix_api_external.h',
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'nix_api_value.h',
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)
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# TODO move this header to libexpr, maybe don't use it in tests?
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headers += files('nix_api_expr_internal.h')
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subdir('nix-meson-build-support/export-all-symbols')
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subdir('nix-meson-build-support/windows-version')
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this_library = library(
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'nixexprc',
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sources,
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dependencies : deps_public + deps_private + deps_other,
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include_directories : include_dirs,
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link_args: linker_export_flags,
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prelink : true, # For C++ static initializers
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install : true,
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)
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install_headers(headers, preserve_path : true)
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libraries_private = []
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subdir('nix-meson-build-support/export')
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