1 #!/bin/bash 2 3 # This script serves two purposes. First, it can bootstrap the standalone 4 # Blueprint to generate the minibp binary. To do this simply run the script 5 # with no arguments from the desired build directory. 6 # 7 # It can also be invoked from another script to bootstrap a custom Blueprint- 8 # based build system. To do this, the invoking script must first set some or 9 # all of the following environment variables, which are documented below where 10 # their default values are set: 11 # 12 # BOOTSTRAP 13 # WRAPPER 14 # SRCDIR 15 # BLUEPRINTDIR 16 # BUILDDIR 17 # NINJA_BUILDDIR 18 # GOROOT 19 # 20 # The invoking script should then run this script, passing along all of its 21 # command line arguments. 22 23 set -e 24 25 EXTRA_ARGS="" 26 27 # BOOTSTRAP should be set to the path of the bootstrap script. It can be 28 # either an absolute path or one relative to the build directory (which of 29 # these is used should probably match what's used for SRCDIR). 30 if [ -z "$BOOTSTRAP" ]; then 31 BOOTSTRAP="${BASH_SOURCE[0]}" 32 33 # WRAPPER should only be set if you want a ninja wrapper script to be 34 # installed into the builddir. It is set to blueprint's blueprint.bash 35 # only if BOOTSTRAP and WRAPPER are unset. 36 [ -z "$WRAPPER" ] && WRAPPER="`dirname "${BOOTSTRAP}"`/blueprint.bash" 37 fi 38 39 # SRCDIR should be set to the path of the root source directory. It can be 40 # either an absolute path or a path relative to the build directory. Whether 41 # its an absolute or relative path determines whether the build directory can 42 # be moved relative to or along with the source directory without re-running 43 # the bootstrap script. 44 [ -z "$SRCDIR" ] && SRCDIR=`dirname "${BOOTSTRAP}"` 45 46 # BLUEPRINTDIR should be set to the path to the blueprint source. It generally 47 # should start with SRCDIR. 48 [ -z "$BLUEPRINTDIR" ] && BLUEPRINTDIR="${SRCDIR}" 49 50 # BUILDDIR should be set to the path to store build results. By default, this 51 # is the current directory, but it may be set to an absolute or relative path. 52 [ -z "$BUILDDIR" ] && BUILDDIR=. 53 54 # NINJA_BUILDDIR should be set to the path to store the .ninja_log/.ninja_deps 55 # files. By default this is the same as $BUILDDIR. 56 [ -z "$NINJA_BUILDDIR" ] && NINJA_BUILDDIR="${BUILDDIR}" 57 58 # TOPNAME should be set to the name of the top-level Blueprints file 59 [ -z "$TOPNAME" ] && TOPNAME="Blueprints" 60 61 # These variables should be set by auto-detecting or knowing a priori the host 62 # Go toolchain properties. 63 [ -z "$GOROOT" ] && GOROOT=`go env GOROOT` 64 65 usage() { 66 echo "Usage of ${BOOTSTRAP}:" 67 echo " -h: print a help message and exit" 68 echo " -b <builddir>: set the build directory" 69 echo " -t: run tests" 70 } 71 72 # Parse the command line flags. 73 while getopts ":b:ht" opt; do 74 case $opt in 75 b) BUILDDIR="$OPTARG";; 76 t) RUN_TESTS=true;; 77 h) 78 usage 79 exit 1 80 ;; 81 \?) 82 echo "Invalid option: -$OPTARG" >&2 83 usage 84 exit 1 85 ;; 86 :) 87 echo "Option -$OPTARG requires an argument." >&2 88 exit 1 89 ;; 90 esac 91 done 92 93 # If RUN_TESTS is set, behave like -t was passed in as an option. 94 [ ! -z "$RUN_TESTS" ] && EXTRA_ARGS="${EXTRA_ARGS} -t" 95 96 # Allow the caller to pass in a list of module files 97 if [ -z "${BLUEPRINT_LIST_FILE}" ]; then 98 BLUEPRINT_LIST_FILE="${BUILDDIR}/.bootstrap/bplist" 99 fi 100 EXTRA_ARGS="${EXTRA_ARGS} -l ${BLUEPRINT_LIST_FILE}" 101 102 mkdir -p $BUILDDIR/.minibootstrap 103 104 echo "bootstrapBuildDir = $BUILDDIR" > $BUILDDIR/.minibootstrap/build.ninja 105 echo "topFile = $SRCDIR/$TOPNAME" >> $BUILDDIR/.minibootstrap/build.ninja 106 echo "extraArgs = $EXTRA_ARGS" >> $BUILDDIR/.minibootstrap/build.ninja 107 echo "builddir = $NINJA_BUILDDIR" >> $BUILDDIR/.minibootstrap/build.ninja 108 echo "include $BLUEPRINTDIR/bootstrap/build.ninja" >> $BUILDDIR/.minibootstrap/build.ninja 109 110 echo "BLUEPRINT_BOOTSTRAP_VERSION=2" > $BUILDDIR/.blueprint.bootstrap 111 echo "SRCDIR=\"${SRCDIR}\"" >> $BUILDDIR/.blueprint.bootstrap 112 echo "BLUEPRINTDIR=\"${BLUEPRINTDIR}\"" >> $BUILDDIR/.blueprint.bootstrap 113 echo "NINJA_BUILDDIR=\"${NINJA_BUILDDIR}\"" >> $BUILDDIR/.blueprint.bootstrap 114 echo "GOROOT=\"${GOROOT}\"" >> $BUILDDIR/.blueprint.bootstrap 115 echo "TOPNAME=\"${TOPNAME}\"" >> $BUILDDIR/.blueprint.bootstrap 116 117 touch "${BUILDDIR}/.out-dir" 118 119 if [ ! -z "$WRAPPER" ]; then 120 cp $WRAPPER $BUILDDIR/ 121 fi 122
