mirror of
https://github.com/NixOS/nix
synced 2025-06-29 14:53:16 +02:00
Merge pull request #10973 from NixOS/meson-libexpr
Meson build for libexpr libflake, external C API, unit tests
This commit is contained in:
Robert Hensing
GitHub
commit
ddff76f667
101 changed files with 2446 additions and 810 deletions
1
src/libexpr/.version
Symbolic link
1
src/libexpr/.version
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@ -0,0 +1 @@
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../../.version
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1
src/libexpr/build-utils-meson
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1
src/libexpr/build-utils-meson
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@ -0,0 +1 @@
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../../build-utils-meson
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@ -293,7 +293,7 @@ EvalState::EvalState(
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)}
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, callFlakeInternal{internalFS->addFile(
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CanonPath("call-flake.nix"),
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#include "flake/call-flake.nix.gen.hh"
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#include "call-flake.nix.gen.hh"
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)}
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, store(store)
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, buildStore(buildStore ? buildStore : store)
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@ -47,4 +47,4 @@ $(foreach i, $(wildcard src/libexpr/value/*.hh), \
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$(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh
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$(d)/eval.cc: $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh $(d)/flake/call-flake.nix.gen.hh
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$(d)/eval.cc: $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh $(d)/call-flake.nix.gen.hh
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204
src/libexpr/meson.build
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204
src/libexpr/meson.build
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@ -0,0 +1,204 @@
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project('nix-expr', '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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'debug=true',
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'optimization=2',
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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('build-utils-meson/deps-lists')
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configdata = configuration_data()
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deps_private_maybe_subproject = [
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]
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deps_public_maybe_subproject = [
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dependency('nix-util'),
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dependency('nix-store'),
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dependency('nix-fetchers'),
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]
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subdir('build-utils-meson/subprojects')
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subdir('build-utils-meson/threads')
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boost = dependency(
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'boost',
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modules : ['container', 'context'],
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)
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# boost is a public dependency, but not a pkg-config dependency unfortunately, so we
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# put in `deps_other`.
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deps_other += boost
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nlohmann_json = dependency('nlohmann_json', version : '>= 3.9')
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deps_public += nlohmann_json
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bdw_gc = dependency('bdw-gc', required : get_option('gc'))
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if bdw_gc.found()
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deps_public += bdw_gc
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foreach funcspec : [
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'pthread_attr_get_np',
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'pthread_getattr_np',
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]
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define_name = 'HAVE_' + funcspec.underscorify().to_upper()
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define_value = cxx.has_function(funcspec).to_int()
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configdata.set(define_name, define_value)
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endforeach
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configdata.set('GC_THREADS', 1)
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endif
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configdata.set('HAVE_BOEHMGC', bdw_gc.found().to_int())
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toml11 = dependency('toml11', version : '>=3.7.0', method : 'cmake')
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deps_other += toml11
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config_h = configure_file(
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configuration : configdata,
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output : 'config-expr.hh',
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)
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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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'-include', 'config-util.hh',
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'-include', 'config-store.hh',
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# '-include', 'config-fetchers.h',
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language : 'cpp',
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)
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subdir('build-utils-meson/diagnostics')
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parser_tab = custom_target(
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input : 'parser.y',
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output : [
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'parser-tab.cc',
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'parser-tab.hh',
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],
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command : [
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'bison',
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'-v',
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'-o',
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'@OUTPUT0@',
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'@INPUT@',
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'-d',
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],
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# NOTE(Qyriad): Meson doesn't support installing only part of a custom target, so we add
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# an install script below which removes parser-tab.cc.
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install : true,
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install_dir : get_option('includedir') / 'nix',
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)
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lexer_tab = custom_target(
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input : [
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'lexer.l',
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parser_tab,
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],
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output : [
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'lexer-tab.cc',
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'lexer-tab.hh',
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],
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command : [
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'flex',
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'--outfile',
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'@OUTPUT0@',
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'--header-file=' + '@OUTPUT1@',
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'@INPUT0@',
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],
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# NOTE(Qyriad): Meson doesn't support installing only part of a custom target, so we add
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# an install script below which removes lexer-tab.cc.
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install : true,
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install_dir : get_option('includedir') / 'nix',
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)
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generated_headers = []
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foreach header : [
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'imported-drv-to-derivation.nix',
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'fetchurl.nix',
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'call-flake.nix',
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]
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generated_headers += custom_target(
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command : [ 'bash', '-c', '{ echo \'R"__NIX_STR(\' && cat @INPUT@ && echo \')__NIX_STR"\'; } > "$1"', '_ignored_argv0', '@OUTPUT@' ],
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input : header,
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output : '@PLAINNAME@.gen.hh',
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)
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endforeach
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sources = files(
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'attr-path.cc',
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'attr-set.cc',
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'eval-cache.cc',
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'eval-error.cc',
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'eval-gc.cc',
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'eval-settings.cc',
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'eval.cc',
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'function-trace.cc',
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'get-drvs.cc',
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'json-to-value.cc',
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'nixexpr.cc',
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'paths.cc',
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'primops.cc',
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'print-ambiguous.cc',
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'print.cc',
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'search-path.cc',
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'value-to-json.cc',
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'value-to-xml.cc',
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'value/context.cc',
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)
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include_dirs = [include_directories('.')]
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headers = [config_h] + files(
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'attr-path.hh',
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'attr-set.hh',
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'eval-cache.hh',
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'eval-error.hh',
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'eval-gc.hh',
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'eval-inline.hh',
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'eval-settings.hh',
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'eval.hh',
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'function-trace.hh',
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'gc-small-vector.hh',
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'get-drvs.hh',
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'json-to-value.hh',
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'nixexpr.hh',
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'parser-state.hh',
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'pos-idx.hh',
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'pos-table.hh',
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'primops.hh',
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'print-ambiguous.hh',
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'print-options.hh',
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'print.hh',
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'repl-exit-status.hh',
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'search-path.hh',
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'symbol-table.hh',
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'value-to-json.hh',
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'value-to-xml.hh',
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'value.hh',
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'value/context.hh',
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)
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subdir('primops')
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this_library = library(
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'nixexpr',
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sources,
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parser_tab,
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lexer_tab,
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generated_headers,
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dependencies : deps_public + deps_private + deps_other,
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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, subdir : 'nix', preserve_path : true)
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libraries_private = []
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subdir('build-utils-meson/export')
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3
src/libexpr/meson.options
Normal file
3
src/libexpr/meson.options
Normal file
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@ -0,0 +1,3 @@
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option('gc', type : 'feature',
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description : 'enable garbage collection in the Nix expression evaluator (requires Boehm GC)',
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)
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119
src/libexpr/package.nix
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119
src/libexpr/package.nix
Normal file
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@ -0,0 +1,119 @@
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{ lib
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, stdenv
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, mkMesonDerivation
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, releaseTools
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, meson
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, ninja
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, pkg-config
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, bison
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, flex
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, cmake # for resolving toml11 dep
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, nix-util
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, nix-store
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, nix-fetchers
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, boost
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, boehmgc
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, nlohmann_json
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, toml11
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# Configuration Options
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, versionSuffix ? ""
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# Whether to use garbage collection for the Nix language evaluator.
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#
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# If it is disabled, we just leak memory, but this is not as bad as it
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# sounds so long as evaluation just takes places within short-lived
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# processes. (When the process exits, the memory is reclaimed; it is
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# only leaked *within* the process.)
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#
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# Temporarily disabled on Windows because the `GC_throw_bad_alloc`
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# symbol is missing during linking.
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, enableGC ? !stdenv.hostPlatform.isWindows
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}:
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let
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inherit (lib) fileset;
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version = lib.fileContents ./.version + versionSuffix;
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in
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mkMesonDerivation (finalAttrs: {
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pname = "nix-expr";
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inherit version;
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workDir = ./.;
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fileset = fileset.unions [
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../../build-utils-meson
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./build-utils-meson
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../../.version
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./.version
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./meson.build
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./meson.options
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./primops/meson.build
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(fileset.fileFilter (file: file.hasExt "cc") ./.)
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(fileset.fileFilter (file: file.hasExt "hh") ./.)
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./lexer.l
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./parser.y
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(fileset.fileFilter (file: file.hasExt "nix") ./.)
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];
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outputs = [ "out" "dev" ];
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nativeBuildInputs = [
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meson
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ninja
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pkg-config
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bison
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flex
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cmake
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];
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buildInputs = [
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toml11
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];
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propagatedBuildInputs = [
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nix-util
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nix-store
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nix-fetchers
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boost
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nlohmann_json
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] ++ lib.optional enableGC boehmgc;
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preConfigure =
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# "Inline" .version so it's not a symlink, and includes the suffix.
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# Do the meson utils, without modification.
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''
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chmod u+w ./.version
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echo ${version} > ../../.version
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'';
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mesonFlags = [
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(lib.mesonEnable "gc" enableGC)
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];
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env = {
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# Needed for Meson to find Boost.
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# https://github.com/NixOS/nixpkgs/issues/86131.
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BOOST_INCLUDEDIR = "${lib.getDev boost}/include";
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BOOST_LIBRARYDIR = "${lib.getLib boost}/lib";
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} // lib.optionalAttrs (stdenv.isLinux && !(stdenv.hostPlatform.isStatic && stdenv.system == "aarch64-linux")) {
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LDFLAGS = "-fuse-ld=gold";
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};
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enableParallelBuilding = true;
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separateDebugInfo = !stdenv.hostPlatform.isStatic;
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strictDeps = true;
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hardeningDisable = lib.optional stdenv.hostPlatform.isStatic "pie";
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meta = {
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platforms = lib.platforms.unix ++ lib.platforms.windows;
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};
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})
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@ -1,4 +1,4 @@
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#include "libfetchers/attrs.hh"
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#include "attrs.hh"
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#include "primops.hh"
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#include "eval-inline.hh"
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#include "eval-settings.hh"
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17
src/libexpr/primops/meson.build
Normal file
17
src/libexpr/primops/meson.build
Normal file
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@ -0,0 +1,17 @@
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foreach header : [
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'derivation.nix',
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]
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generated_headers += custom_target(
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command : [ 'bash', '-c', '{ echo \'R"__NIX_STR(\' && cat @INPUT@ && echo \')__NIX_STR"\'; } > "$1"', '_ignored_argv0', '@OUTPUT@' ],
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input : header,
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output : '@PLAINNAME@.gen.hh',
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)
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endforeach
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sources += files(
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'context.cc',
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'fetchClosure.cc',
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'fetchMercurial.cc',
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'fetchTree.cc',
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'fromTOML.cc',
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)
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