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build: Speed up .go compilation.

* build-aux/compile-all.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
(%.go, make-go): New rules.
master
Taylan Ulrich Bayırlı/Kammer 2015-11-05 23:42:45 +01:00
parent 8047d13dcf
commit de6af32783
2 changed files with 91 additions and 23 deletions

View File

@ -164,11 +164,6 @@ endif BUILD_DAEMON_OFFLOAD
# Internal module with test suite support.
dist_noinst_DATA = guix/tests.scm
# Because of the autoload hack in (guix build download), we must build it
# first to avoid errors on systems where (gnutls) is unavailable.
guix/scripts/download.go: guix/build/download.go
guix/download.go: guix/build/download.go
# Linux-Libre configurations.
KCONFIGS = \
gnu/packages/linux-libre-i686.conf \
@ -325,6 +320,7 @@ EXTRA_DIST = \
CODE-OF-CONDUCT \
.dir-locals.el \
build-aux/build-self.scm \
build-aux/compile-all.scm \
build-aux/hydra/gnu-system.scm \
build-aux/hydra/demo-os.scm \
build-aux/hydra/guix.scm \
@ -364,31 +360,21 @@ CLEANFILES = \
$(GOBJECTS) \
$(SCM_TESTS:tests/%.scm=%.log)
AM_V_GUILEC = $(AM_V_GUILEC_$(V))
AM_V_GUILEC_ = $(AM_V_GUILEC_$(AM_DEFAULT_VERBOSITY))
AM_V_GUILEC_0 = @echo " GUILEC" $@;
# Flags passed to 'guild compile'.
GUILD_COMPILE_FLAGS = \
-Wformat -Wunbound-variable -Warity-mismatch
# Unset 'GUILE_LOAD_COMPILED_PATH' altogether while compiling. Otherwise, if
# $GUILE_LOAD_COMPILED_PATH contains $(moduledir), we may find .go files in
# there that are newer than the local .scm files (for instance because the
# user ran 'make install' recently). When that happens, we end up loading
# those previously-installed .go files, which may be stale, thereby breaking
# the whole thing.
#
# XXX: Use the C locale for when Guile lacks
# <http://git.sv.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=e2c6bf3866d1186c60bacfbd4fe5037087ee5e3f>.
.scm.go:
$(AM_V_GUILEC)$(MKDIR_P) `dirname "$@"` ; \
%.go: make-go ; @:
make-go: $(MODULES) guix/config.scm guix/tests.scm
$(AM_V_at)echo "Compiling Scheme modules..." ; \
unset GUILE_LOAD_COMPILED_PATH ; \
LC_ALL=C \
host=$(host) srcdir="$(top_srcdir)" \
$(top_builddir)/pre-inst-env \
$(GUILD) compile -L "$(top_builddir)" -L "$(top_srcdir)" \
$(GUILD_COMPILE_FLAGS) --target="$(host)" \
-o "$@" "$<"
$(GUILE) -L "$(top_builddir)" -L "$(top_srcdir)" \
--no-auto-compile \
-s "$(top_srcdir)"/build-aux/compile-all.scm $^
SUFFIXES = .go
@ -480,6 +466,6 @@ assert-final-inputs-self-contained:
$(top_builddir)/pre-inst-env "$(GUILE)" \
"$(top_srcdir)/build-aux/check-final-inputs-self-contained.scm"
.PHONY: sync-descriptions gen-ChangeLog gen-AUTHORS clean-go
.PHONY: sync-descriptions gen-ChangeLog gen-AUTHORS clean-go make-go
.PHONY: assert-no-store-file-names assert-binaries-available
.PHONY: assert-final-inputs-self-contained

View File

@ -0,0 +1,82 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(use-modules (system base target)
(ice-9 match)
(ice-9 threads)
(guix build utils))
(define compile-options '(format unbound-variable arity-mismatch))
(define host (getenv "host"))
(define srcdir (getenv "srcdir"))
(define (relative-file file)
(if (string-prefix? (string-append srcdir "/") file)
(string-drop file (+ 1 (string-length srcdir)))
file))
(define (file-mtime<? f1 f2)
(< (stat:mtime (stat f1))
(stat:mtime (stat f2))))
(define (scm->go file)
(let* ((relative (relative-file file))
(without-extension (string-drop-right relative 4)))
(string-append without-extension ".go")))
(define (file-needs-compilation? file)
(let ((go (scm->go file)))
(or (not (file-exists? go))
(file-mtime<? go file))))
(define (file->module file)
(let* ((relative (relative-file file))
(module-path (string-drop-right relative 4)))
(map string->symbol
(string-split module-path #\/))))
;;; To work around <http://bugs.gnu.org/15602> (FIXME), we want to load all
;;; files to be compiled first. We do this via resolve-interface so that the
;;; top-level of each file (module) is only executed once.
(define (load-module-file file)
(let ((module (file->module file)))
(format #t " LOAD ~a~%" module)
(resolve-interface module)))
(define (compile-file* file output-mutex)
(let ((go (scm->go file)))
(with-mutex output-mutex
(format #t " GUILEC ~a~%" go)
(force-output))
(mkdir-p (dirname go))
(with-target host
(lambda ()
(compile-file file
#:output-file go
#:opts compile-options)))))
(match (command-line)
((_ . files)
(let ((files (filter file-needs-compilation? files)))
(for-each load-module-file files)
(let ((mutex (make-mutex)))
(par-for-each (lambda (file)
(compile-file* file mutex))
files)))))