ref: 17017e265221aec50004e1f853dd04687d21661b
parent: 59d155d65f977fbc68e5fd4a0a20877e906ca68f
author: cancel <cancel@cancel.fm>
date: Thu Nov 29 11:40:42 EST 2018
Add start of 'tool' build script
--- /dev/null
+++ b/tool
@@ -1,0 +1,181 @@
+#!/usr/bin/env bash
+set -eu -o pipefail
+
+os=
+case $(uname -s | awk '{print tolower($0)}') in+ linux*) os=linux;;
+ darwin*) os=mac;;
+ cygwin*) os=cygwin;;
+ *bsd*) os=bsd;;
+ *) os=unknown;;
+esac
+
+
+print_usage() {+cat <<EOF
+Usage: tool [options] <command> [<args>]
+Options:
+ -v Print important commands as they're executed.
+ -c <name> Use a specific compiler binary instead.
+ Default: \$CC, or cc
+ -h Print this message and exit.
+EOF
+}
+
+compiler_exe="${CC:-cc}"+
+verbose=0
+
+while getopts c:hv- opt_val; do
+ case "$opt_val" in
+ c) compiler_exe="$OPTARG";;
+ v) verbose=1;;
+ h) print_usage; exit 0;;
+ \?) 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
+ "$@"
+}
+
+if [[ ($os == bsd) || ($os == unknown) ]]; then
+ warn "Build script not tested on this platform"
+fi
+
+# This is not perfect by any means
+cc_id=
+compiler_vers=
+if ${compiler_exe} --version | grep -q ^clang 2> /dev/null; then+ cc_id=clang
+ compiler_vers=$(${compiler_exe} -dumpversion)+# Only gcc has -dumpfullversion
+elif compiler_vers=$(${compiler_exe} -dumpfullversion 2> /dev/null); then+ cc_id=gcc
+fi
+
+if [[ -z $cc_id ]]; then
+ warn "Failed to detect compiler type"
+fi
+if [[ -z $compiler_vers ]]; then
+ warn "Failed to detect compiler version"
+fi
+
+add() {+ if [[ -z "${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
+
+# safety flags: -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fpie -Wl,-pie
+ #local tui_flags=()
+ #add tui_flags -D_XOPEN_SOURCE_EXTENDED=1
+
+build_target() {+ local build_subdir
+ local compiler_flags=()
+ local libraries=()
+ add compiler_flags -std=c99 -pipe -Wall -Wpedantic -Wextra -Wconversion -Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion
+ case "$1" in
+ debug)
+ build_subdir=debug
+ add compiler_flags -DDEBUG -ggdb -fsanitize=address -fsanitize=undefined
+ if [[ $os = mac ]]; then
+ # mac clang does not have -Og
+ add compiler_flags -O1
+ # tui in the future
+ # add libraries -lncurses
+ else
+ add compiler_flags -Og -feliminate-unused-debug-symbols
+ # needed if address is already specified? doesn't work on mac clang, at
+ # least
+ # add compiler_flags -fsanitize=leak
+ # add libraries -lncursesw
+ fi
+ ;;
+ release)
+ build_subdir=release
+ add compiler_flags -DNDEBUG -O2 -g0
+ if [[ $os = mac ]]; then
+ # todo some stripping option
+ true
+ else
+ # -flto is good on both clang and gcc on Linux
+ add compiler_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"
+ verbose_echo "${compiler_exe}" "${compiler_flags[@]}" -o "$build_dir/$build_subdir/$out_exe" "${source_files[@]}" "${libraries[@]}"+}
+
+shift $((OPTIND - 1))
+
+if [[ -z "${1:-}" ]]; then+ echo "Error: Command required" >&2
+ print_usage >&2
+ exit 1
+fi
+
+case "$1" in
+ info)
+ echo "OS: $os"
+ echo "Compiler name: $compiler_exe"
+ echo "Compiler type: $cc_id"
+ echo "Compiler version: $compiler_vers"
+ exit 0
+ ;;
+ build)
+ if [[ "$#" -gt 2 ]]; then
+ fatal "Too many arguments for 'build'"
+ fi
+ if [ "$#" -lt 1 ]; then
+ fatal "Argument required for build target"
+ exit 1
+ fi
+ build_target "$2"
+ ;;
+ clean)
+ if [[ -d "$build_dir" ]]; then
+ verbose_echo rm -rf "$build_dir"
+ fi
+ ;;
+ *) echo "Unrecognized command $1"; exit 1;;
+esac
+