jade 0f99ed43f1 build-time: remove 20% more by PCH'ing C++ stdlib ... It seems like someone implemented precompiled headers a long time ago and then it never got ported to meson or maybe didn't work at all. This is, however, blessedly easy to simply implement. I went looking for `#define` that could affect the result of precompiling the headers, and as far as I can tell we aren't doing any of that, so this should truly just be free build time savings. Previous state: Compilation (551 times): Parsing (frontend): 1302.1 s Codegen & opts (backend): 956.3 s New state: **** Time summary: Compilation (567 times): Parsing (frontend): 1123.0 s Codegen & opts (backend): 1078.1 s I wonder if the "regression" in codegen time is just doing the PCH operation a few times, because meson does it per-target. Change-Id: I664366b8069bab4851308b3a7571bea97ac64022		2024-05-30 21:54:21 +00:00
..
build-remote	Remove HintFmt::operator%	2024-03-26 15:40:05 -07:00
libcmd	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
libexpr	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
libfetchers	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
libmain	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
libstore	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
libutil	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
nix	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
nix-build	util.hh: Delete remaining file and clean up headers	2024-05-29 12:38:51 +02:00
nix-channel	util.{hh,cc}: Split out users.{hh,cc}	2024-05-29 11:01:34 +02:00
nix-collect-garbage	util.{hh,cc}: Split out file-system.{hh,cc}	2024-05-29 09:54:47 +02:00
nix-copy-closure	Merge pull request #9277 from keszybz/file-permissions	2024-03-04 05:26:17 +01:00
nix-env	Remove 100s of CPU time (10%) from build times (1465s -> 1302s)	2024-05-29 22:16:15 -07:00
nix-instantiate	util.hh: Delete remaining file and clean up headers	2024-05-29 12:38:51 +02:00
nix-store	util.hh: Delete remaining file and clean up headers	2024-05-29 12:38:51 +02:00
pch	build-time: remove 20% more by PCH'ing C++ stdlib	2024-05-30 21:54:21 +00:00
resolve-system-dependencies	remove the autoconf+Make buildsystem	2024-05-07 17:04:30 -06:00
lix-base.pc.in	packaging: rename nixexpr -> lixexpr and so on	2024-05-23 16:45:23 -06:00
meson.build	meson: implement functional tests	2024-03-27 18:37:50 -06:00