File size: 3,474 Bytes
23d354c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2025, The OpenROAD Authors
set -euo pipefail
DIR="$(dirname $(readlink -f $0))"
cd "$DIR/../"
# default values, can be overwritten by cmdline args
buildDir="build"
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
numThreads=$(nproc --all)
elif [[ "$OSTYPE" == "darwin"* ]]; then
numThreads=$(sysctl -n hw.ncpu)
else
cat << EOF
WARNING: Unsupported OSTYPE: cannot determine number of host CPUs
Defaulting to 2 threads. Use -threads=N to use N threads
EOF
numThreads=2
fi
cmakeOptions=""
cleanBefore=no
compiler=gcc
_help() {
cat <<EOF
usage: $0 [OPTIONS]
Build OpenSTA from source.
OPTIONS:
-cmake='-<key>=<value> ...' User defined cmake options
Note: use single quote after
-cmake= and double quotes if
<key> has multiple <values>
e.g.: -cmake='-DFLAGS="-a -b"'
-compiler=COMPILER_NAME Compiler name: gcc or clang
Default: gcc
-dir=PATH Path to store build files.
Default: ./build
-coverage Enable cmake coverage options
-clean Remove build dir before compile
-threads=NUM_THREADS Number of threads to use during
compile. Default: \`nproc\` on linux
or \`sysctl -n hw.ncpu\` on macOS
-O0 Disable optimizations for accurate
coverage measurement
-help Shows this message
EOF
exit "${1:-1}"
}
while [ "$#" -gt 0 ]; do
case "${1}" in
-h|-help)
_help 0
;;
-coverage )
cmakeOptions+=" -DCMAKE_BUILD_TYPE=Debug"
cmakeOptions+=" -DCMAKE_CXX_FLAGS='--coverage'"
cmakeOptions+=" -DCMAKE_EXE_LINKER_FLAGS='--coverage'"
;;
-O0 )
cmakeOptions+=" -DCMAKE_CXX_FLAGS_DEBUG='-g -O0'"
;;
-cmake=*)
cmakeOptions+=" ${1#*=}"
;;
-clean )
cleanBefore=yes
;;
-compiler=*)
compiler="${1#*=}"
;;
-dir=* )
buildDir="${1#*=}"
;;
-threads=* )
numThreads="${1#*=}"
;;
-compiler | -cmake | -dir | -threads )
echo "${1} requires an argument" >&2
_help
;;
*)
echo "unknown option: ${1}" >&2
_help
;;
esac
shift 1
done
case "${compiler}" in
"gcc" )
export CC="$(command -v gcc)"
export CXX="$(command -v g++)"
;;
"clang" )
export CC="$(command -v clang)"
export CXX="$(command -v clang++)"
;;
*)
echo "Compiler $compiler not supported. Use gcc or clang." >&2
_help 1
esac
if [[ -z "${CC}" || -z "${CXX}" ]]; then
echo "Compiler $compiler not installed." >&2
_help 1
fi
if [[ "${cleanBefore}" == "yes" ]]; then
rm -rf "${buildDir}"
fi
mkdir -p "${buildDir}"
echo "[INFO] Compiler: ${compiler} (${CC})"
echo "[INFO] Build dir: ${buildDir}"
echo "[INFO] Using ${numThreads} threads."
eval cmake "${cmakeOptions}" -B "${buildDir}" .
eval time cmake --build "${buildDir}" -j "${numThreads}"
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