Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 1 | #!/usr/bin/env bash |
| 2 | # Copyright 2009 The Go Authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style |
| 4 | # license that can be found in the LICENSE file. |
| 5 | |
Dan Willemsen | 6ff2325 | 2015-09-15 13:49:18 -0700 | [diff] [blame] | 6 | # See golang.org/s/go15bootstrap for an overview of the build process. |
| 7 | |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 8 | # Environment variables that control make.bash: |
| 9 | # |
| 10 | # GOROOT_FINAL: The expected final Go root, baked into binaries. |
| 11 | # The default is the location of the Go tree during the build. |
| 12 | # |
| 13 | # GOHOSTARCH: The architecture for host tools (compilers and |
| 14 | # binaries). Binaries of this type must be executable on the current |
| 15 | # system, so the only common reason to set this is to set |
| 16 | # GOHOSTARCH=386 on an amd64 machine. |
| 17 | # |
| 18 | # GOARCH: The target architecture for installed packages and tools. |
| 19 | # |
| 20 | # GOOS: The target operating system for installed packages and tools. |
| 21 | # |
Dan Willemsen | 6ff2325 | 2015-09-15 13:49:18 -0700 | [diff] [blame] | 22 | # GO_GCFLAGS: Additional go tool compile arguments to use when |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 23 | # building the packages and commands. |
| 24 | # |
Dan Willemsen | 6ff2325 | 2015-09-15 13:49:18 -0700 | [diff] [blame] | 25 | # GO_LDFLAGS: Additional go tool link arguments to use when |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 26 | # building the commands. |
| 27 | # |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 28 | # CGO_ENABLED: Controls cgo usage during the build. Set it to 1 |
| 29 | # to include all cgo related files, .c and .go file with "cgo" |
| 30 | # build directive, in the build. Set it to 0 to ignore them. |
| 31 | # |
| 32 | # GO_EXTLINK_ENABLED: Set to 1 to invoke the host linker when building |
| 33 | # packages that use cgo. Set to 0 to do all linking internally. This |
| 34 | # controls the default behavior of the linker's -linkmode option. The |
| 35 | # default value depends on the system. |
| 36 | # |
Colin Cross | efed634 | 2019-09-07 08:34:44 -0700 | [diff] [blame] | 37 | # GO_LDSO: Sets the default dynamic linker/loader (ld.so) to be used |
| 38 | # by the internal linker. |
| 39 | # |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 40 | # CC: Command line to run to compile C code for GOHOSTARCH. |
| 41 | # Default is "gcc". Also supported: "clang". |
| 42 | # |
| 43 | # CC_FOR_TARGET: Command line to run to compile C code for GOARCH. |
| 44 | # This is used by cgo. Default is CC. |
| 45 | # |
| 46 | # CXX_FOR_TARGET: Command line to run to compile C++ code for GOARCH. |
Dan Willemsen | f3f2eb6 | 2018-08-28 11:28:58 -0700 | [diff] [blame] | 47 | # This is used by cgo. Default is CXX, or, if that is not set, |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 48 | # "g++" or "clang++". |
| 49 | # |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 50 | # FC: Command line to run to compile Fortran code for GOARCH. |
| 51 | # This is used by cgo. Default is "gfortran". |
| 52 | # |
Dan Willemsen | bbdf664 | 2017-01-13 22:57:23 -0800 | [diff] [blame] | 53 | # PKG_CONFIG: Path to pkg-config tool. Default is "pkg-config". |
| 54 | # |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 55 | # GO_DISTFLAGS: extra flags to provide to "dist bootstrap". |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 56 | # (Or just pass them to the make.bash command line.) |
| 57 | # |
| 58 | # GOBUILDTIMELOGFILE: If set, make.bash and all.bash write |
| 59 | # timing information to this file. Useful for profiling where the |
| 60 | # time goes when these scripts run. |
| 61 | # |
| 62 | # GOROOT_BOOTSTRAP: A working Go tree >= Go 1.4 for bootstrap. |
| 63 | # If $GOROOT_BOOTSTRAP/bin/go is missing, $(go env GOROOT) is |
| 64 | # tried for all "go" in $PATH. $HOME/go1.4 by default. |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 65 | |
| 66 | set -e |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 67 | |
Colin Cross | efed634 | 2019-09-07 08:34:44 -0700 | [diff] [blame] | 68 | export GOENV=off |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 69 | unset GOBIN # Issue 14340 |
Dan Willemsen | f3f2eb6 | 2018-08-28 11:28:58 -0700 | [diff] [blame] | 70 | unset GOFLAGS |
Colin Cross | 1371fe4 | 2019-03-19 21:08:48 -0700 | [diff] [blame] | 71 | unset GO111MODULE |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 72 | |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 73 | if [ ! -f run.bash ]; then |
| 74 | echo 'make.bash must be run from $GOROOT/src' 1>&2 |
| 75 | exit 1 |
| 76 | fi |
| 77 | |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 78 | if [ "$GOBUILDTIMELOGFILE" != "" ]; then |
| 79 | echo $(LC_TIME=C date) start make.bash >"$GOBUILDTIMELOGFILE" |
| 80 | fi |
| 81 | |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 82 | # Test for Windows. |
| 83 | case "$(uname)" in |
| 84 | *MINGW* | *WIN32* | *CYGWIN*) |
| 85 | echo 'ERROR: Do not use make.bash to build on Windows.' |
| 86 | echo 'Use make.bat instead.' |
| 87 | echo |
| 88 | exit 1 |
| 89 | ;; |
| 90 | esac |
| 91 | |
| 92 | # Test for bad ld. |
| 93 | if ld --version 2>&1 | grep 'gold.* 2\.20' >/dev/null; then |
| 94 | echo 'ERROR: Your system has gold 2.20 installed.' |
| 95 | echo 'This version is shipped by Ubuntu even though' |
| 96 | echo 'it is known not to work on Ubuntu.' |
| 97 | echo 'Binaries built with this linker are likely to fail in mysterious ways.' |
| 98 | echo |
| 99 | echo 'Run sudo apt-get remove binutils-gold.' |
| 100 | echo |
| 101 | exit 1 |
| 102 | fi |
| 103 | |
| 104 | # Test for bad SELinux. |
| 105 | # On Fedora 16 the selinux filesystem is mounted at /sys/fs/selinux, |
| 106 | # so loop through the possible selinux mount points. |
| 107 | for se_mount in /selinux /sys/fs/selinux |
| 108 | do |
| 109 | if [ -d $se_mount -a -f $se_mount/booleans/allow_execstack -a -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then |
| 110 | if ! cat $se_mount/booleans/allow_execstack | grep -c '^1 1$' >> /dev/null ; then |
| 111 | echo "WARNING: the default SELinux policy on, at least, Fedora 12 breaks " |
| 112 | echo "Go. You can enable the features that Go needs via the following " |
| 113 | echo "command (as root):" |
| 114 | echo " # setsebool -P allow_execstack 1" |
| 115 | echo |
| 116 | echo "Note that this affects your system globally! " |
| 117 | echo |
| 118 | echo "The build will continue in five seconds in case we " |
| 119 | echo "misdiagnosed the issue..." |
| 120 | |
| 121 | sleep 5 |
| 122 | fi |
| 123 | fi |
| 124 | done |
| 125 | |
| 126 | # Test for debian/kFreeBSD. |
| 127 | # cmd/dist will detect kFreeBSD as freebsd/$GOARCH, but we need to |
| 128 | # disable cgo manually. |
Dan Willemsen | c78f714 | 2017-07-26 13:08:14 -0700 | [diff] [blame] | 129 | if [ "$(uname -s)" = "GNU/kFreeBSD" ]; then |
| 130 | export CGO_ENABLED=0 |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 131 | fi |
| 132 | |
Colin Cross | efed634 | 2019-09-07 08:34:44 -0700 | [diff] [blame] | 133 | # On Alpine Linux, use the musl dynamic linker/loader |
| 134 | if [ -f "/etc/alpine-release" ]; then |
| 135 | if type readelf >/dev/null 2>&1; then |
| 136 | echo "int main() { return 0; }" | ${CC:-gcc} -o ./test-alpine-ldso -x c - |
| 137 | export GO_LDSO=$(readelf -l ./test-alpine-ldso | grep 'interpreter:' | sed -e 's/^.*interpreter: \(.*\)[]]/\1/') |
| 138 | rm -f ./test-alpine-ldso |
| 139 | fi |
| 140 | fi |
| 141 | |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 142 | # Clean old generated file that will cause problems in the build. |
| 143 | rm -f ./runtime/runtime_defs.go |
| 144 | |
| 145 | # Finally! Run the build. |
| 146 | |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 147 | verbose=false |
| 148 | vflag="" |
| 149 | if [ "$1" = "-v" ]; then |
| 150 | verbose=true |
| 151 | vflag=-v |
| 152 | shift |
| 153 | fi |
| 154 | |
| 155 | export GOROOT_BOOTSTRAP=${GOROOT_BOOTSTRAP:-$HOME/go1.4} |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 156 | export GOROOT="$(cd .. && pwd)" |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 157 | IFS=$'\n'; for go_exe in $(type -ap go); do |
| 158 | if [ ! -x "$GOROOT_BOOTSTRAP/bin/go" ]; then |
Dan Willemsen | f3f2eb6 | 2018-08-28 11:28:58 -0700 | [diff] [blame] | 159 | goroot=$(GOROOT='' GOOS='' GOARCH='' "$go_exe" env GOROOT) |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 160 | if [ "$goroot" != "$GOROOT" ]; then |
| 161 | GOROOT_BOOTSTRAP=$goroot |
| 162 | fi |
| 163 | fi |
| 164 | done; unset IFS |
Dan Willemsen | 6ff2325 | 2015-09-15 13:49:18 -0700 | [diff] [blame] | 165 | if [ ! -x "$GOROOT_BOOTSTRAP/bin/go" ]; then |
| 166 | echo "ERROR: Cannot find $GOROOT_BOOTSTRAP/bin/go." >&2 |
| 167 | echo "Set \$GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4." >&2 |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 168 | exit 1 |
| 169 | fi |
Colin Cross | 846c316 | 2021-05-14 11:11:40 -0700 | [diff] [blame] | 170 | # Get the exact bootstrap toolchain version to help with debugging. |
| 171 | # We clear GOOS and GOARCH to avoid an ominous but harmless warning if |
| 172 | # the bootstrap doesn't support them. |
| 173 | GOROOT_BOOTSTRAP_VERSION=$(GOOS= GOARCH= $GOROOT_BOOTSTRAP/bin/go version | sed 's/go version //') |
| 174 | echo "Building Go cmd/dist using $GOROOT_BOOTSTRAP. ($GOROOT_BOOTSTRAP_VERSION)" |
| 175 | if $verbose; then |
| 176 | echo cmd/dist |
| 177 | fi |
Dan Willemsen | c78f714 | 2017-07-26 13:08:14 -0700 | [diff] [blame] | 178 | if [ "$GOROOT_BOOTSTRAP" = "$GOROOT" ]; then |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 179 | echo "ERROR: \$GOROOT_BOOTSTRAP must not be set to \$GOROOT" >&2 |
| 180 | echo "Set \$GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4." >&2 |
| 181 | exit 1 |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 182 | fi |
Dan Willemsen | 6ff2325 | 2015-09-15 13:49:18 -0700 | [diff] [blame] | 183 | rm -f cmd/dist/dist |
Colin Cross | efed634 | 2019-09-07 08:34:44 -0700 | [diff] [blame] | 184 | GOROOT="$GOROOT_BOOTSTRAP" GOOS="" GOARCH="" GO111MODULE=off "$GOROOT_BOOTSTRAP/bin/go" build -o cmd/dist/dist ./cmd/dist |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 185 | |
| 186 | # -e doesn't propagate out of eval, so check success by hand. |
| 187 | eval $(./cmd/dist/dist env -p || echo FAIL=true) |
| 188 | if [ "$FAIL" = true ]; then |
| 189 | exit 1 |
| 190 | fi |
| 191 | |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 192 | if $verbose; then |
| 193 | echo |
| 194 | fi |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 195 | |
| 196 | if [ "$1" = "--dist-tool" ]; then |
| 197 | # Stop after building dist tool. |
| 198 | mkdir -p "$GOTOOLDIR" |
| 199 | if [ "$2" != "" ]; then |
| 200 | cp cmd/dist/dist "$2" |
| 201 | fi |
| 202 | mv cmd/dist/dist "$GOTOOLDIR"/dist |
| 203 | exit 0 |
| 204 | fi |
| 205 | |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 206 | buildall="-a" |
| 207 | if [ "$1" = "--no-clean" ]; then |
| 208 | buildall="" |
| 209 | shift |
| 210 | fi |
Dan Willemsen | 0c15709 | 2016-07-08 13:57:52 -0700 | [diff] [blame] | 211 | |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 212 | # Run dist bootstrap to complete make.bash. |
| 213 | # Bootstrap installs a proper cmd/dist, built with the new toolchain. |
| 214 | # Throw ours, built with Go 1.4, away after bootstrap. |
| 215 | ./cmd/dist/dist bootstrap $buildall $vflag $GO_DISTFLAGS "$@" |
| 216 | rm -f ./cmd/dist/dist |
Colin Cross | 7bb052a | 2015-02-03 12:59:37 -0800 | [diff] [blame] | 217 | |
Dan Willemsen | e1b3b18 | 2018-02-27 19:36:27 -0800 | [diff] [blame] | 218 | # DO NOT ADD ANY NEW CODE HERE. |
| 219 | # The bootstrap+rm above are the final step of make.bash. |
| 220 | # If something must be added, add it to cmd/dist's cmdbootstrap, |
| 221 | # to avoid needing three copies in three different shell languages |
| 222 | # (make.bash, make.bat, make.rc). |