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Merge pull request #13512 from xokdvium/speed-up-builds-pch

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Reintroduce precompiled headers
This commit is contained in:
Robert Hensing 2025-07-21 12:38:52 +02:00 • committed by GitHub
commit 6ec50ba736
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10 changed files with 28 additions and 0 deletions
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1
src/libcmd/meson.build
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@ -92,6 +92,7 @@ this_library = library(
link_args: linker_export_flags,
prelink : true, # For C++ static initializers
install : true,
cpp_pch : ['pch/precompiled-headers.hh']
)
install_headers(headers, subdir : 'nix/cmd', preserve_path : true)

4
src/libcmd/pch/precompiled-headers.hh Normal file
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@ -0,0 +1,4 @@
#include "nix/cmd/installables.hh"
#include "nix/expr/eval.hh"
#include "nix/util/util.hh"
#include "nix/flake/flake.hh"

1
src/libexpr/meson.build
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@ -178,6 +178,7 @@ this_library = library(
link_args: linker_export_flags,
prelink : true, # For C++ static initializers
install : true,
cpp_pch : ['pch/precompiled-headers.hh']
)
install_headers(headers, subdir : 'nix/expr', preserve_path : true)

1
src/libexpr/pch/precompiled-headers.hh Normal file
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@ -0,0 +1 @@
#include "nix/expr/eval.hh"

1
src/libstore/meson.build
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@ -348,6 +348,7 @@ this_library = library(
link_args: linker_export_flags,
prelink : true, # For C++ static initializers
install : true,
cpp_pch : ['pch/precompiled-headers.hh']
)
install_headers(headers, subdir : 'nix/store', preserve_path : true)

8
src/libstore/pch/precompiled-headers.hh Normal file
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@ -0,0 +1,8 @@
#include "nix/store/store-api.hh"
#include "nix/store/realisation.hh"
#include "nix/store/derived-path.hh"
#include "nix/store/derivations.hh"
#include "nix/store/local-store.hh"
#include "nix/util/util.hh"
#include <nlohmann/json.hpp>

1
src/libutil/meson.build
View file

@ -191,6 +191,7 @@ this_library = library(
link_args: linker_export_flags,
prelink : true, # For C++ static initializers
install : true,
cpp_pch : 'pch/precompiled-headers.hh'
)
install_headers(headers, subdir : 'nix/util', preserve_path : true)

7
src/libutil/pch/precompiled-headers.hh Normal file
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@ -0,0 +1,7 @@
#include "nix/util/util.hh"
#include "nix/util/file-system.hh"
#include "nix/util/serialise.hh"
#include "nix/util/signals.hh"
#include "nix/util/source-accessor.hh"
#include <nlohmann/json.hpp>

1
src/nix/meson.build
View file

@ -186,6 +186,7 @@ this_exe = executable(
include_directories : include_dirs,
link_args: linker_export_flags,
install : true,
cpp_pch : ['pch/precompiled-headers.hh']
)
meson.override_find_program('nix', this_exe)

3
src/nix/pch/precompiled-headers.hh Normal file
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@ -0,0 +1,3 @@
#include "nix/cmd/command.hh"
#include "nix/expr/eval.hh"
#include "nix/main/shared.hh"