istio.io/istio@v0.0.0-20240520182934-d79c90f27776/common/scripts/gobuild.sh (about)

     1  #!/bin/bash
     2  
     3  # WARNING: DO NOT EDIT, THIS FILE IS PROBABLY A COPY
     4  #
     5  # The original version of this file is located in the https://github.com/istio/common-files repo.
     6  # If you're looking at this file in a different repo and want to make a change, please go to the
     7  # common-files repo, make the change there and check it in. Then come back to this repo and run
     8  # "make update-common".
     9  
    10  # Copyright Istio Authors. All Rights Reserved.
    11  #
    12  # Licensed under the Apache License, Version 2.0 (the "License");
    13  # you may not use this file except in compliance with the License.
    14  # You may obtain a copy of the License at
    15  #
    16  #    http://www.apache.org/licenses/LICENSE-2.0
    17  #
    18  # Unless required by applicable law or agreed to in writing, software
    19  # distributed under the License is distributed on an "AS IS" BASIS,
    20  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    21  # See the License for the specific language governing permissions and
    22  # limitations under the License.
    23  
    24  # This script builds and version stamps the output
    25  
    26  VERBOSE=${VERBOSE:-"0"}
    27  V=""
    28  if [[ "${VERBOSE}" == "1" ]];then
    29      V="-x"
    30      set -x
    31  fi
    32  
    33  SCRIPTPATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
    34  
    35  OUT=${1:?"output path"}
    36  shift
    37  
    38  set -e
    39  
    40  export BUILD_GOOS=${GOOS:-linux}
    41  export BUILD_GOARCH=${GOARCH:-amd64}
    42  GOBINARY=${GOBINARY:-go}
    43  GOPKG="$GOPATH/pkg"
    44  BUILDINFO=${BUILDINFO:-""}
    45  STATIC=${STATIC:-1}
    46  LDFLAGS=${LDFLAGS:--extldflags -static}
    47  GOBUILDFLAGS=${GOBUILDFLAGS:-""}
    48  # Split GOBUILDFLAGS by spaces into an array called GOBUILDFLAGS_ARRAY.
    49  IFS=' ' read -r -a GOBUILDFLAGS_ARRAY <<< "$GOBUILDFLAGS"
    50  
    51  GCFLAGS=${GCFLAGS:-}
    52  export CGO_ENABLED=${CGO_ENABLED:-0}
    53  
    54  if [[ "${STATIC}" !=  "1" ]];then
    55      LDFLAGS=""
    56  fi
    57  
    58  # gather buildinfo if not already provided
    59  # For a release build BUILDINFO should be produced
    60  # at the beginning of the build and used throughout
    61  if [[ -z ${BUILDINFO} ]];then
    62      BUILDINFO=$(mktemp)
    63      "${SCRIPTPATH}/report_build_info.sh" > "${BUILDINFO}"
    64  fi
    65  
    66  # BUILD LD_EXTRAFLAGS
    67  LD_EXTRAFLAGS=""
    68  
    69  while read -r line; do
    70      LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X ${line}"
    71  done < "${BUILDINFO}"
    72  
    73  OPTIMIZATION_FLAGS=(-trimpath)
    74  if [ "${DEBUG}" == "1" ]; then
    75      OPTIMIZATION_FLAGS=()
    76  fi
    77  
    78  time GOOS=${BUILD_GOOS} GOARCH=${BUILD_GOARCH} ${GOBINARY} build \
    79          ${V} "${GOBUILDFLAGS_ARRAY[@]}" ${GCFLAGS:+-gcflags "${GCFLAGS}"} \
    80          -o "${OUT}" \
    81          "${OPTIMIZATION_FLAGS[@]}" \
    82          -pkgdir="${GOPKG}/${BUILD_GOOS}_${BUILD_GOARCH}" \
    83          -ldflags "${LDFLAGS} ${LD_EXTRAFLAGS}" "${@}"