From 1fcd5d1067254c40921df17b8de906c81934077a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 20 Oct 2017 13:31:52 +0200
Subject: Add support for parallel bootstrap on Linux, Mac OS, and FreeBSD

---
 etc/bootstrap/bbot-bootstrap-freebsd.sh | 17 +++++++++++++++++
 etc/bootstrap/bbot-bootstrap-linux.sh   | 14 ++++++++++++++
 etc/bootstrap/bbot-bootstrap-macos.sh   | 19 ++++++++++++++++---
 etc/bootstrap/bbot-bootstrap-mingw.bat  |  6 +++++-
 etc/bootstrap/bbot-bootstrap.service    |  2 +-
 etc/bootstrap/bbot-bootstrap.sh         |  6 +++---
 etc/bootstrap/bbot-rc-d                 |  9 +++++++--
 7 files changed, 63 insertions(+), 10 deletions(-)
 create mode 100755 etc/bootstrap/bbot-bootstrap-freebsd.sh
 create mode 100755 etc/bootstrap/bbot-bootstrap-linux.sh

(limited to 'etc/bootstrap')

diff --git a/etc/bootstrap/bbot-bootstrap-freebsd.sh b/etc/bootstrap/bbot-bootstrap-freebsd.sh
new file mode 100755
index 0000000..8a86696
--- /dev/null
+++ b/etc/bootstrap/bbot-bootstrap-freebsd.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# file      : etc/bootstrap/bbot-bootstrap-freebsd.sh
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : TBC; see accompanying LICENSE file
+
+# Note: install GNU make with 'pkg install gmake'.
+#
+
+if ! jobs="$(sysctl -n hw.ncpu)"; then
+  jobs=1
+fi
+
+"$(dirname "$0")/bbot-bootstrap.sh" \
+  --make gmake     \
+  --make "-j$jobs" \
+  "$@"
diff --git a/etc/bootstrap/bbot-bootstrap-linux.sh b/etc/bootstrap/bbot-bootstrap-linux.sh
new file mode 100755
index 0000000..0aa408d
--- /dev/null
+++ b/etc/bootstrap/bbot-bootstrap-linux.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# file      : etc/bootstrap/bbot-bootstrap-linux.sh
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : TBC; see accompanying LICENSE file
+
+if ! jobs="$(nproc)"; then
+  jobs=1
+fi
+
+"$(dirname "$0")/bbot-bootstrap.sh" \
+  --make make     \
+  --make "-j$jobs" \
+  "$@"
diff --git a/etc/bootstrap/bbot-bootstrap-macos.sh b/etc/bootstrap/bbot-bootstrap-macos.sh
index 039e802..e7f7be8 100755
--- a/etc/bootstrap/bbot-bootstrap-macos.sh
+++ b/etc/bootstrap/bbot-bootstrap-macos.sh
@@ -1,6 +1,19 @@
-#!/bin/bash
+#!/bin/sh
+
+# file      : etc/bootstrap/bbot-bootstrap-macos.sh
+# copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+# license   : TBC; see accompanying LICENSE file
 
 # open -a Terminal -n -F ~/bbot-bootstrap-macos.sh
 
-~/bbot-bootstrap.sh --cxx clang++ --build /tmp \
-  --environments "$HOME/environments"
+if ! jobs="$(sysctl -n hw.ncpu)"; then
+  jobs=1
+fi
+
+"$(dirname "$0")/bbot-bootstrap.sh"   \
+  --cxx clang++                       \
+  --build /tmp                        \
+  --environments "$HOME/environments" \
+  --make make                         \
+  --make "-j$jobs"                    \
+  "$@"
diff --git a/etc/bootstrap/bbot-bootstrap-mingw.bat b/etc/bootstrap/bbot-bootstrap-mingw.bat
index 9db41c8..a3ffa04 100644
--- a/etc/bootstrap/bbot-bootstrap-mingw.bat
+++ b/etc/bootstrap/bbot-bootstrap-mingw.bat
@@ -131,9 +131,13 @@ del trust
 @for /D %%d in (build2-toolchain-*) do set "bstrap=%%d"
 cd %bstrap%
 
+@rem Bootstrap in parallel using GNU make (which is part of our mingw
+@rem toolchain).
+@rem
 @rem Note: executing in a separate cmd.exe to preserve the echo mode.
 @rem
-cmd /C build-mingw.bat --timeout %TIMEOUT% g++ %INSTALL% %trust%
+cmd /C build-mingw.bat --make mingw32-make --make -j%NUMBER_OF_PROCESSORS%^
+  --timeout %TIMEOUT% g++ %INSTALL% %trust%
 @if errorlevel 1 goto error
 
 cd ..
diff --git a/etc/bootstrap/bbot-bootstrap.service b/etc/bootstrap/bbot-bootstrap.service
index 8879c72..3e4cba0 100644
--- a/etc/bootstrap/bbot-bootstrap.service
+++ b/etc/bootstrap/bbot-bootstrap.service
@@ -17,7 +17,7 @@ Environment=CXX=g++
 Environment=BUILD=/tmp
 Environment=ENVIRONMENTS=/home/build/environments
 
-ExecStart=/usr/local/bin/bbot-bootstrap.sh \
+ExecStart=/usr/local/bin/bbot-bootstrap-linux.sh \
   --cxx ${CXX} \
   --build ${BUILD} \
   --environments ${ENVIRONMENTS}
diff --git a/etc/bootstrap/bbot-bootstrap.sh b/etc/bootstrap/bbot-bootstrap.sh
index e5ffe80..5908fe1 100755
--- a/etc/bootstrap/bbot-bootstrap.sh
+++ b/etc/bootstrap/bbot-bootstrap.sh
@@ -4,7 +4,7 @@
 # copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
 # license   : TBC; see accompanying LICENSE file
 
-usage="Usage: $0 [<options>]"
+usage="Usage: $0 [<options>] [<build-options>]"
 
 set -e # Exit on errors.
 
@@ -66,7 +66,7 @@ while test $# -ne 0; do
       shift
       ;;
     *)
-      error "unexpected argument '$1'"
+      break
       ;;
   esac
 done
@@ -121,7 +121,7 @@ run rm trust
 #
 bstrap="$(echo build2-toolchain-*)"
 run cd "$bstrap"
-run ./build.sh --timeout "$timeout" --trust "$trust" $build_options "$cxx"
+run ./build.sh --timeout "$timeout" --trust "$trust" $build_options "$@" "$cxx"
 run cd ..
 run rm -r "$bstrap"
 
diff --git a/etc/bootstrap/bbot-rc-d b/etc/bootstrap/bbot-rc-d
index 12fadcd..bbde152 100644
--- a/etc/bootstrap/bbot-rc-d
+++ b/etc/bootstrap/bbot-rc-d
@@ -5,10 +5,15 @@
 . /etc/rc.subr
 
 name=bbot
-command=/home/build/bbot-bootstrap.sh
+command=/home/build/bbot-bootstrap-freebsd.sh
 command_interpreter=/bin/sh
+
 bbot_user=build
-start_cmd="/usr/sbin/daemon -u $bbot_user -t $name $command --environments /home/build/environments 2>&1 | /usr/bin/logger -p local1.info"
+bbot_cxx=clang++
+bbot_build=/tmp
+bbot_environments="/home/$bbot_user/environments"
+
+start_cmd="/usr/sbin/daemon -u $bbot_user -t $name $command --cxx $bbot_cxx --build $bbot_build --environments $bbot_environments 2>&1 | /usr/bin/logger -p local1.info"
 
 load_rc_config $name
 run_rc_command "$1"
-- 
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