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newsboat: run parallel build for 'make' commands

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`newsboat` contains quite a bit of C++ code built by custom Makefile.
`rust` code and tests already get build in parallel. The change enables
build parallelism for custom Makefile as well.

The effect on my machine is 78% build time reduction (4.5x speedup):

Before the change:

    $ time nix build -f. newsboat --rebuild
    real    6m20,904s
    user    0m0,345s
    sys     0m0,167s

After the change:

    $ time nix build -f. newsboat
    ...
    real    1m23,592s
    user    0m0,277s
    sys     0m0,097s
This commit is contained in:
Sergei Trofimovich 2023-01-08 09:56:01 +00:00
parent 005199faf7
commit ef91c7bcd8
1 changed files with 3 additions and 3 deletions
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6
pkgs/applications/networking/feedreaders/newsboat/default.nix
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@ -31,7 +31,7 @@ rustPlatform.buildRustPackage rec {
++ lib.optionals stdenv.isDarwin [ Security Foundation libiconv gettext ]; ++ lib.optionals stdenv.isDarwin [ Security Foundation libiconv gettext ];
postBuild = '' postBuild = ''
make prefix="$out" make -j $NIX_BUILD_CORES prefix="$out"
''; '';
# https://github.com/NixOS/nixpkgs/pull/98471#issuecomment-703100014 . We set # https://github.com/NixOS/nixpkgs/pull/98471#issuecomment-703100014 . We set
@ -44,11 +44,11 @@ rustPlatform.buildRustPackage rec {
doCheck = true; doCheck = true;
preCheck = '' preCheck = ''
make test make -j $NIX_BUILD_CORES test
''; '';
postInstall = '' postInstall = ''
make prefix="$out" install make -j $NIX_BUILD_CORES prefix="$out" install
'' + lib.optionalString stdenv.isDarwin '' '' + lib.optionalString stdenv.isDarwin ''
for prog in $out/bin/*; do for prog in $out/bin/*; do
wrapProgram "$prog" --prefix DYLD_LIBRARY_PATH : "${stfl}/lib" wrapProgram "$prog" --prefix DYLD_LIBRARY_PATH : "${stfl}/lib"