ref: 0e8492bb9cd824ba183d6564e63ebc4a94bed919
dir: /tool/
#!/usr/bin/env bash set -eu -o pipefail print_usage() { cat <<EOF Usage: tool [options] command [args] Commands: build <config> <target> Compile orca. Configs: debug, release Default: debug Targets: orca, tui Output: build/<target>/orca clean Removes build/ info Prints information about the detected build environment. Options: -v Print important commands as they're executed. -c <name> Use a specific compiler binary. Default: \$CC, or cc -d Enable compiler safeguards like -fstack-protector. You should probably do this if you plan to give the compiled binary to other people. -s Print statistics about compile time and binary size. -g or --debug Build with debug configuration (default) -h or --help Print this message and exit. EOF } os= case $(uname -s | awk '{print tolower($0)}') in linux*) os=linux;; darwin*) os=mac;; cygwin*) os=cygwin;; *bsd*) os=bsd;; *) os=unknown;; esac cc_exe="${CC:-cc}" verbose=0 protections_enabled=0 stats_enabled=0 while getopts c:dhsv-: opt_val; do case "$opt_val" in -) case "$OPTARG" in help) print_usage; exit 0;; *) echo "Unknown long option --$OPTARG" >&2 print_usage >&2 exit 1 ;; esac ;; c) cc_exe="$OPTARG";; h) print_usage; exit 0;; d) protections_enabled=1;; s) stats_enabled=1;; v) verbose=1;; \?) print_usage >&2; exit 1;; *) break;; esac done warn() { echo "Warning: $*" >&2 } fatal() { echo "Error: $*" >&2 exit 1 } script_error() { echo "Script error: $*" >&2 exit 1 } verbose_echo() { if [[ $verbose = 1 ]]; then echo "$@" fi "$@" } TIMEFORMAT='%3R' last_time= file_size() { wc -c < "$1" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' } timed_stats() { if [[ $stats_enabled = 1 ]]; then { last_time=$( { time "$@" 1>&3- 2>&4-; } 2>&1 ); } 3>&1 4>&2 else "$@" fi } if [[ ($os == bsd) || ($os == unknown) ]]; then warn "Build script not tested on this platform" fi # This is not perfect by any means cc_id= cc_vers= if cc_vers_string=$("$cc_exe" --version 2> /dev/null); then if clang_vers_string=$(echo "$cc_vers_string" | grep clang | head -n1) && ! [[ -z $clang_vers_string ]]; then cc_id=clang # clang -dumpversion always pretends to be gcc 4.2.1 # shellcheck disable=SC2001 cc_vers=$(echo "$clang_vers_string" | sed 's/.*version \([0-9]*\.[0-9]*\.[0-9]*\).*/\1/') # Only gcc has -dumpfullversion elif cc_vers=$("$cc_exe" -dumpfullversion 2> /dev/null); then cc_id=gcc fi fi if [[ -z $cc_id ]]; then warn "Failed to detect compiler type" fi if [[ -z $cc_vers ]]; then warn "Failed to detect compiler version" fi add() { if [[ -z "${1:-}" ]]; then script_error "At least one argument required for array add" fi local array_name array_name=${1} shift eval "$array_name+=($(printf "'%s' " "$@"))" } try_make_dir() { if ! [[ -e "$1" ]]; then verbose_echo mkdir "$1" elif ! [[ -d "$1" ]]; then fatal "File $1 already exists but is not a directory" fi } out_exe=orca build_dir=build source_files=() add source_files field.c mark.c bank.c sim.c #local tui_flags=() #add tui_flags -D_XOPEN_SOURCE_EXTENDED=1 build_target() { local build_subdir local cc_flags=() local libraries=() add cc_flags -std=c99 -pipe -Wall -Wpedantic -Wextra -Wconversion -Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion if [[ $protections_enabled = 1 ]]; then add cc_flags -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fpie -Wl,-pie fi case "$1" in debug) build_subdir=debug add cc_flags -DDEBUG -ggdb -fsanitize=address -fsanitize=undefined if [[ $os = mac ]]; then # mac clang does not have -Og add cc_flags -O1 # tui in the future # add libraries -lncurses else add cc_flags -Og # needed if address is already specified? doesn't work on mac clang, at # least # add cc_flags -fsanitize=leak # add libraries -lncursesw fi ;; release) build_subdir=release add cc_flags -DNDEBUG -O2 -g0 if [[ $protections_enabled != 1 ]]; then add cc_flags -fno-stack-protector fi if [[ $os = mac ]]; then # todo some stripping option true else # -flto is good on both clang and gcc on Linux add cc_flags -flto -s fi ;; *) fatal "Unknown build target \"$1\"";; esac add source_files cli_main.c try_make_dir "$build_dir" try_make_dir "$build_dir/$build_subdir" local out_path=$build_dir/$build_subdir/$out_exe # bash versions quirk: empty arrays might give error on expansion, use + # trick to avoid expanding second operand verbose_echo timed_stats "$cc_exe" "${cc_flags[@]}" -o "$out_path" "${source_files[@]}" ${libraries[@]+"${libraries[@]}"} if [[ $stats_enabled = 1 ]]; then echo "time: $last_time" echo "size: $(file_size "$out_path")" fi } print_info() { cat <<EOF Operating system: $os Compiler name: $cc_exe Compiler type: $cc_id Compiler version: $cc_vers EOF } shift $((OPTIND - 1)) if [[ -z "${1:-}" ]]; then echo "Error: Command required" >&2 print_usage >&2 exit 1 fi case "$1" in info) if [[ "$#" -gt 1 ]]; then fatal "Too many arguments for 'info'" fi print_info exit 0 ;; build) if [[ "$#" -gt 2 ]]; then fatal "Too many arguments for 'build'" fi if [ "$#" -lt 2 ]; then fatal "Argument required for build target" fi build_target "$2" ;; clean) if [[ -d "$build_dir" ]]; then verbose_echo rm -rf "$build_dir" fi ;; *) fatal "Unrecognized command $1";; esac