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01/01: build: Speed up .go compilation.
From: |
Taylan Ulrich Bay?rl?/Kammer |
Subject: |
01/01: build: Speed up .go compilation. |
Date: |
Mon, 18 Jan 2016 08:01:51 +0000 |
taylanub pushed a commit to branch master
in repository guix.
commit de6af32783991d74a55d68bfd809cc56020e155b
Author: Taylan Ulrich Bayırlı/Kammer <address@hidden>
Date: Thu Nov 5 23:42:45 2015 +0100
build: Speed up .go compilation.
* build-aux/compile-all.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
(%.go, make-go): New rules.
---
Makefile.am | 32 +++++------------
build-aux/compile-all.scm | 82 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 91 insertions(+), 23 deletions(-)
diff --git a/Makefile.am b/Makefile.am
index 6e9deeb..74bc8b5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -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
diff --git a/build-aux/compile-all.scm b/build-aux/compile-all.scm
new file mode 100644
index 0000000..e0877db
--- /dev/null
+++ b/build-aux/compile-all.scm
@@ -0,0 +1,82 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <address@hidden>
+;;;
+;;; 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)))))