From 49e6291a7a257f89f01644423f1b685778b8862a Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Thu, 23 Jan 2014 23:48:34 +0100 Subject: Add 'guix offload' as a daemon build hook. * nix/nix-daemon/guix-daemon.cc (GUIX_OPT_NO_BUILD_HOOK): New macro. (options): Add '--no-build-hook'. (parse_opt): Handle it. (main)[HAVE_DAEMON_OFFLOAD_HOOK]: Set 'useBuildHook' by default. Set $NIX_BUILD_HOOK to our offload hook unless otherwise specified. [!HAVE_DAEMON_OFFLOAD_HOOK]: Clear 'useBuildHook'. * pre-inst-env.in: Set and export NIX_BUILD_HOOK. * nix/scripts/offload.in, guix/scripts/offload.scm: New files. * guix/ui.scm (show-guix-help)[internal?]: Add "offload". * config-daemon.ac: Call 'GUIX_CHECK_UNBUFFERED_CBIP'. Instantiate 'nix/scripts/offload'. Set 'BUILD_DAEMON_OFFLOAD' conditional, and optionally define 'HAVE_DEAMON_OFFLOAD_HOOK' cpp macro. * daemon.am (nodist_pkglibexec_SCRIPTS)[BUILD_DAEMON_OFFLOAD]: Add it. * Makefile.am (MODULES)[BUILD_DAEMON_OFFLOAD]: Add 'guix/scripts/offload.scm'. (EXTRA_DIST)[!BUILD_DAEMON_OFFLOAD]: Likewise. * m4/guix.m4 (GUIX_CHECK_UNBUFFERED_CBIP): New macro. * doc/guix.texi (Setting Up the Daemon): Move most of the body to... (Build Environment Setup): ... this. New subsection. (Daemon Offload Setup): New subsection. --- m4/guix.m4 | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'm4') diff --git a/m4/guix.m4 b/m4/guix.m4 index a98378db79..19e041a72c 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -1,5 +1,5 @@ dnl GNU Guix --- Functional package management for GNU -dnl Copyright © 2012, 2013 Ludovic Courtès +dnl Copyright © 2012, 2013, 2014 Ludovic Courtès dnl dnl This file is part of GNU Guix. dnl @@ -134,3 +134,20 @@ AC_DEFUN([GUIX_CHECK_SRFI_37], [ ac_cv_guix_srfi_37_broken=yes fi]) ]) + +dnl GUIX_CHECK_UNBUFFERED_CBIP +dnl +dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is +dnl the case starting with Guile 2.0.10. +AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [ + AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'], + [ac_cv_guix_cbips_support_setvbuf], + [if "$GUILE" -c "(use-modules (rnrs io ports)) \ + (let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \ + (setvbuf p _IONBF))" >&5 2>&1 + then + ac_cv_guix_cbips_support_setvbuf=yes + else + ac_cv_guix_cbips_support_setvbuf=no + fi]) +]) -- cgit v1.2.3