mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 08:30:16 +00:00
114 lines
2.7 KiB
Bash
114 lines
2.7 KiB
Bash
die() # $1 = exit code, use : to not exit when printing warnings $@ = exit or warning messages
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{
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ret="$1"
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shift 1
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printf %s\\n "$@" >&2
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case "$ret" in
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: ) return 0 ;;
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* ) exit "$ret" ;;
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esac
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}
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print_help_option() # $1 = option $@ = description
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{
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_opt="$1"
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shift 1
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printf ' %-26s %s\n' "$_opt" "$@"
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}
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print_help()
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{ cat << EOF
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====================
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Quickbuild script
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====================
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Package: $PACKAGE_NAME
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General environment variables:
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CC: C compiler
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CFLAGS: C compiler flags
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CXX: C++ compiler
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CXXFLAGS: C++ compiler flags
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LDFLAGS: Linker flags
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General options:
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EOF
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print_help_option "--prefix=PATH" "Install path prefix"
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print_help_option "--global-config-dir=PATH" "System wide config file prefix"
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print_help_option "--build=BUILD" "The build system (no-op)"
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print_help_option "--host=HOST" "Cross-compile with HOST-gcc instead of gcc"
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print_help_option "--help" "Show this help"
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echo ""
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echo "Custom options:"
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while read -r VAR COMMENT; do
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TMPVAR="${VAR%=*}"
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COMMENT="${COMMENT#*#}"
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VAL="${VAR#*=}"
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VAR="$(echo "${TMPVAR#HAVE_}" | tr '[:upper:]' '[:lower:]')"
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case "$VAR" in
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'c89_'*) continue;;
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*)
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case "$VAL" in
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'yes'*)
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print_help_option "--disable-$VAR" "Disable $COMMENT";;
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'no'*)
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print_help_option "--enable-$VAR" "Enable $COMMENT";;
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'auto'*)
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print_help_option "--enable-$VAR" "Enable $COMMENT"
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print_help_option "--disable-$VAR" "Disable $COMMENT";;
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*)
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print_help_option "--with-$VAR" "Config $COMMENT";;
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esac
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esac
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done < 'qb/config.params.sh'
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}
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opt_exists() # $opt is returned if exists in OPTS
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{ opt="$(echo "$1" | tr '[:lower:]' '[:upper:]')"
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err="$2"
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eval "set -- $OPTS"
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for OPT do [ "$opt" = "$OPT" ] && return; done
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die 1 "Unknown option $err"
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}
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parse_input() # Parse stuff :V
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{ OPTS=; while read -r VAR _; do
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TMPVAR="${VAR%=*}"
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OPTS="$OPTS ${TMPVAR##HAVE_}"
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done < 'qb/config.params.sh'
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#OPTS contains all available options in config.params.sh - used to speedup
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#things in opt_exists()
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while [ "$1" ]; do
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case "$1" in
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--prefix=*) PREFIX=${1##--prefix=};;
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--global-config-dir=*) GLOBAL_CONFIG_DIR=${1##--global-config-dir=};;
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--build=*) BUILD="${1#*=}";;
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--host=*) CROSS_COMPILE=${1##--host=}-;;
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--enable-*)
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opt_exists "${1##--enable-}" "$1"
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eval "HAVE_$opt=yes"
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;;
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--disable-*)
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opt_exists "${1##--disable-}" "$1"
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eval "HAVE_$opt=no"
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eval "HAVE_NO_$opt=yes"
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;;
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--with-*)
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arg="${1##--with-}"
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val="${arg##*=}"
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opt_exists "${arg%%=*}" "$1"
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eval "$opt=\"$val\""
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;;
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-h|--help) print_help; exit 0;;
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*) die 1 "Unknown option $1";;
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esac
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shift
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done
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}
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. qb/config.params.sh
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parse_input "$@"
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