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c78676a1de
Before this change, if you were cross compiling Nix, then the nix-manual
subproject would never get built. In some situations, it makes sense to
not build the nix-manual subproject when cross compiling. For example,
if the build system is x86_64 and the host system is riscv64, then it
makes sense to not build the manual. Building the manual requires
executing certain build artifacts, and you can’t run x86_64 executables
on riscv64 systems.
That being said, there are some situations where it does make sense to
build the nix-manual subproject when cross compiling. For example, if
the build system is x86_64 and the host system is i686, then it doesn’t
make sense to not build the manual. You can run i686 executables on
x86_64 systems just fine.
This change makes it so that the nix-manual subproject will sometimes
get built when cross compiling. Specifically, the nix-manual subproject
will get built as long as the doc-gen option is enabled and the build
system is capable of running host binaries.
---
The main motivation behind this change is to fix this Nixpkgs issue [1].
Building pkgs.nixStatic counts as cross compiling Nix, and
pkgs.nixStatic is supposed to produce a man output. Building
pkgs.nixStatic currently fails because it isn’t actually producing a man
output. That issue will go away once this commit gets backported to Nix
2.28.x.
[1]: <https://github.com/NixOS/nixpkgs/issues/426410>
(cherry picked from commit 5e407e6abb)
56 lines
1.2 KiB
Meson
56 lines
1.2 KiB
Meson
# This is just a stub project to include all the others as subprojects
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# for development shell purposes
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project('nix-dev-shell', 'cpp',
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version : files('.version'),
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subproject_dir : 'src',
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default_options : [
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'localstatedir=/nix/var',
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]
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)
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# Internal Libraries
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subproject('libutil')
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subproject('libstore')
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subproject('libfetchers')
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subproject('libexpr')
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subproject('libflake')
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subproject('libmain')
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subproject('libcmd')
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# Executables
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subproject('nix')
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# Docs
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if get_option('doc-gen')
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subproject('internal-api-docs')
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subproject('external-api-docs')
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if meson.can_run_host_binaries()
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subproject('nix-manual')
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endif
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endif
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# External C wrapper libraries
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subproject('libutil-c')
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subproject('libstore-c')
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subproject('libexpr-c')
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subproject('libflake-c')
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subproject('libmain-c')
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# Language Bindings
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if get_option('bindings') and not meson.is_cross_build()
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subproject('perl')
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endif
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# Testing
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if get_option('unit-tests')
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subproject('libutil-test-support')
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subproject('libutil-tests')
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subproject('libstore-test-support')
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subproject('libstore-tests')
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subproject('libfetchers-tests')
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subproject('libexpr-test-support')
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subproject('libexpr-tests')
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subproject('libflake-tests')
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endif
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subproject('nix-functional-tests')
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