544 lines
11 KiB
Bash
544 lines
11 KiB
Bash
#!/usr/bin/env zsh
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# TODO:
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# - Make more checks about whether the “things” built and installed are C.
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# (stuff *will* break if you add non-C things as targets)
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# - Clean some more (or a lot). I mean, this script could even be reused if
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# it were cleaner, more readable and somewhat more documented.
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#
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# WARNINGS and LIMITATIONS:
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# - Using a relative path in DESTDIR= *will* fail.
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#
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# Script output
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function info {
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echo "${fg_bold[green]}-- ${fg_bold[white]}$@${reset_color}"
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}
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function warning {
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echo "${fg_bold[yellow]}-- $@${reset_color}" >&2
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}
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function error {
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echo "${fg_bold[red]}-- ERROR: $@${reset_color}" >&2
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}
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# Makefiles’ output
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function write {
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echo "$@" >> $Makefile
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}
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function build_string {
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local type_indicator="$1"
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local operation="$2"
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local file_name="$3"
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local color="blue"
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case $operation in
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build)
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color=blue;;
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build-alt)
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color=cyan;;
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assemble)
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color=green;;
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generate)
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color=yellow;;
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install)
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color=red;;
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remove)
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color=white;;
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*)
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color=magenta;;
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esac
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printf "${fg_bold[$color]} %-6s ${fg_bold[white]}$file_name${reset_color}\n" \
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"$type_indicator >"
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}
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function CC {
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build_string CC build "$@"
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}
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function LD {
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build_string LD assemble "$@"
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}
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function IN {
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build_string IN install "$@"
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}
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function LN {
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build_string LN other "$@"
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}
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function RM {
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build_string RM remove "$@"
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}
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function SED {
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build_string SED generate "$@"
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}
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function DIR {
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build_string DIR other "$@"
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}
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function TAR {
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build_string TAR generate "$@"
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}
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# Generic helpers
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function has {
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local elem="$1"
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shift 1
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for i in "$@"; do
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[[ "$i" == "$elem" ]] && return 0
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done
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return 1
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}
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function has_array_key {
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local element="$1"
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shift 1
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for key value ($@) {
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[[ "$key" == "$element" ]] && return 0
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}
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return 1
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}
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# Specialized helpers
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function get_distfiles {
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for file in "${dist[@]}" $(echo ${sources[@]}) $(echo ${depends[@]}); do
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if [[ -z "${nodist[$file]}" ]]; then
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echo "$file"
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fi
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done
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typeset -a src
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src=($(echo ${sources[@]}))
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for file in ${src[@]}; do
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typeset file="${file%.c}.h"
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if [[ -e "$file" ]]; then
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echo "$file"
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fi
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done
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}
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function exists {
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[[ "$(whence -w ${1})" != "${1}: none" ]]
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}
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function duplicated {
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local elem="$1"
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local count=0
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shift 1
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local i
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for i in $@; do
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if [[ "$elem" == "$i" ]]; then
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((count++))
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if (( $count > 1 )); then
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return 0
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fi
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fi
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done
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return 1
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}
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function dirdep {
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dirname="$(dirname "$1")"
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local sources=(${(@s/ /)2})
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local depends=(${(@s/ /)3})
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for dep in ${sources[@]} ${depends[@]}; do
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if [[ "$(dirname $dep)" == "$dirname" ]]; then
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return 0
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fi
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done
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if [[ "$dirname" == "." ]]; then
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return 0
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fi
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echo "$dirname"
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}
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for dir in "@SHAREDIR@/build.zsh" ./build; do
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[[ -d "$dir" ]] && {
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for i in "$dir"/*.zsh; do
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. "$i"
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done
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}
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done
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##
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# And so it begins
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##
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function main {
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# “Global”, per-project configuration.
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typeset -a prefixes directories
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# “Local”, per-target configuration.
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typeset -A sources type depends install auto filename nodist
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typeset -A chmod
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# Per-target configuration that is specific to certain target types.
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# FIXME: Those should be removed from this file and exported in
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# the .prelude of their backend, or similar.
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typeset -A ldflags cflags crflags
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prefixes=(
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PREFIX '/usr/local'
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BINDIR '$(PREFIX)/bin'
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LIBDIR '$(PREFIX)/lib'
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SHAREDIR '$(PREFIX)/share'
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INCLUDEDIR '$(PREFIX)/include'
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MANDIR '$(SHAREDIR)/man'
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)
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if [[ -f project.zsh && -r project.zsh ]]; then
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. ./project.zsh
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else
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error "No “project.zsh” found in $(pwd)."
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exit 1
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fi
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: > $Makefile
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for target in ${targets[@]}; do
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local _type=${type[$target]}
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if exists ${_type}.prelude; then
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${_type}.prelude
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fi
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done
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if [[ -n "$package" && -n "$version" ]]; then
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export package version
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write "PACKAGE = '$package'"
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write "VERSION = '$version'"
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write
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else
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if $root; then
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error "No \$package or no \$version defined in your project.zsh!"
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error "Making tarballs and other stuff will be disabled."
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error "(please note that those variables should be defined only..."
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error " ... in the root directory of your project’s repository)"
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root=false
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fi
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fi
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# Got some issues of PATH being replaced by a value of $path…
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for prefix _path in ${prefixes[@]}; do
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write "$prefix := $_path"
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done
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for var val in ${variables[@]}; do
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write "$var := ${val}"
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done
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write
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write "Q := @"
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write
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if [[ -z "${all}" ]] || (( ${#all[@]} == 0 )); then
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all=(${targets[@]})
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fi
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write -n "all: ${all[@]}"
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if $gnu; then
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write "\n"
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else
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write "\n\t@:\n"
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fi
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typeset -l -a exported_rules
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local target_index=1
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while (($target_index <= ${#targets[@]})); do
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local target="${targets[$target_index]}"
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if has "${target}" "${exported_rules[@]}"; then
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((target_index++))
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continue
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else
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exported_rules+=("$target")
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fi
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typeset -a src
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src=($(echo ${sources[$target]}))
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local installdir="${install[$target]}"
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if exists "${type[$target]}.build"; then
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${type[$target]}.build
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else
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error "No predefined rule for the following type: ${type[$target]}"
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error " (expect trouble, nothing’s gonna work!)"
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fi
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if [[ "${installdir}" == "-" ]]; then
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write "${target}.install:"
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write ""
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else
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if exists "${type[$target]}.install"; then
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${type[$target]}.install
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else
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if [[ -z "${installdir}" ]]; then
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error "No install[${type[${target}]}] and no default installation directory."
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error "Your “install” rule will be broken!"
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else
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local F="${filename[$target]}"
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if [[ -z "$F" ]]; then
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F="${target}"
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fi
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write "${target}.install: \$(DESTDIR)${installdir}"
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write "\t@echo '$(IN ${installdir}/${filename})'"
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write "\t@mkdir -p '\$(DESTDIR)/${installdir}'"
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write "\t${Q}install -m755 $target \$(DESTDIR)${installdir}/$filename"
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write
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fi
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fi
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fi
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if exists "${type[$target]}.clean"; then
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${type[$target]}.clean
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else
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write "${target}.clean:"
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write "\t@echo '$(RM ${target})'"
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write "\t${Q}rm -f ${target}"
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write
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fi
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if [[ "${installdir}" == "-" ]]; then
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write "${target}.uninstall:"
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write ""
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else
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if exists "${type[$target]}.uninstall"; then
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${type[$target]}.uninstall
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else
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write "${target}.uninstall:"
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write "\t@echo '$(RM "${installdir}/${target}")'"
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write "\t${Q}rm -f '\$(DESTDIR)${installdir}/${target}'"
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write
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fi
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fi
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((target_index++))
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done
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typeset -l -a target_directories
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for target in "${targets[@]}"; do
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directory="${target%/*}"
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if [[ "$target" =~ .*/ ]] && ! has "${directory}" "${target_directories[@]}"; then
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target_directories+=(${directory})
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fi
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done
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for dir in ${target_directories[@]}; do
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write "${dir}:"
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write "\t${Q}mkdir -p ${dir}"
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done
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for dir in ${directories[@]}; do
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write "\$(DESTDIR)${dir}:"
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write "\t@echo '$(DIR ${dir})'"
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write "\t${Q}mkdir -p \$(DESTDIR)${dir}"
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done
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for dir __ in ${prefixes[@]}; do
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write "\$(DESTDIR)\$(${dir}):"
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write "\t@echo '$(DIR "\$(${dir})")'"
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write "\t${Q}mkdir -p \$(DESTDIR)\$(${dir})"
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done
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write -n "install:"
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for target in ${targets[@]}; do
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write -n " ${target}.install"
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done
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write "\n\t@:\n"
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write -n "uninstall:"
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for target in ${targets[@]}; do
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write -n " ${target}.uninstall"
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done
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write "\n\t@:\n"
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write -n "clean:"
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(( ${#targets[@]} > 0 )) && {
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for target in ${targets[@]}; do
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write -n " ${target}.clean"
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#(
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# typeset -a src
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# src=($(echo ${sources[$target]}))
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# for file in ${src[@]}; do
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# write -n " ${file%.c}.o.clean"
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# done
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#)
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done
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}
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write
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write "distclean: clean"
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if $root; then
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write "dist: dist-gz dist-xz dist-bz2"
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write "\t"$Q'rm -- $(PACKAGE)-$(VERSION)'
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write
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write "distdir:"
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write "\t"$Q'rm -rf -- $(PACKAGE)-$(VERSION)'
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write "\t"$Q'ln -s -- . $(PACKAGE)-$(VERSION)'
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write
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typeset -a distfiles
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distfiles=($(get_distfiles))
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local i
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for i in {1..${#distfiles[@]}}; do
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if duplicated "${distfiles[${i}]}" "${distfiles[@]}"; then
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distfiles[${i}]=
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fi
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done
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for i flag in gz z xz J bz2 j; do
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write "dist-${i}: \$(PACKAGE)-\$(VERSION).tar.$i"
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write "\$(PACKAGE)-\$(VERSION).tar.$i: distdir"
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write "\t@echo '$(TAR "\$(PACKAGE)-\$(VERSION).tar.$i")'"
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write "\t${Q}tar c${flag}f \$(PACKAGE)-\$(VERSION).tar.$i \\"
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for i in {1..${#distfiles}}; do
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if [[ -n "${distfiles[$i]}" ]]; then
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write -n "\t\t\$(PACKAGE)-\$(VERSION)/${distfiles[$i]}"
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if (( i != ${#distfiles} )); then
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write " \\"
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fi
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fi
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done
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write "\n"
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done
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fi
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write "help:"
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if [[ -n "$package" ]]; then
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write " @echo '${fg_bold[white]} :: $package-$version${reset_color}'"
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write " @echo ''"
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fi
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write " @echo '${fg_bold[white]}Generic targets:${reset_color}'"
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typeset -la help
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help=(
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help "Prints this help message."
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all "Builds all targets."
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dist "Creates tarballs of the files of the project."
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install "Installs the project."
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clean "Removes compiled files."
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uninstall "Deinstalls the project."
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)
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for rule message in ${help[@]}; do
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printf " @echo '${reset_color} - ${fg_bold[green]}%-14s${fg[white]} $message${reset_color}'\n" \
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"$rule" >> $Makefile
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done
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write " @echo ''"
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write " @echo '${fg_bold[white]}CLI-modifiable variables:${reset_color}'"
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for VAR __ in ${variables}; do
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printf " @echo ' - ${fg_bold[blue]}%-14s${fg[white]} \${$VAR}${reset_color}'\n" "$VAR" >> $Makefile
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done
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for VAR __ in ${prefixes}; do
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printf " @echo ' - ${fg_bold[blue]}%-14s${fg[white]} \${$VAR}${reset_color}'\n" "$VAR" >> $Makefile
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done
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write " @echo ''"
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write " @echo '${fg_bold[white]}Project targets: ${reset_color}'"
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# Computing how many characters should be reserved for the left part
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# of those lines. The name of the target will be displayed in it.
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local name_slot_size=14
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for T in ${targets[@]}; do
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if [[ "${auto[$T]}" == true ]]; then
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continue
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fi
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if (( $#T > 22 )); then
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name_slot_size=30
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break
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elif (( $#T > 14 )); then
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name_slot_size=22
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fi
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done
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for T in ${targets[@]}; do
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if [[ "${auto[$T]}" != true ]]; then
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printf " @echo ' - ${fg_bold[yellow]}%-${name_slot_size}s${fg[white]} ${type[$T]}${reset_color}'\n" "$T" >> $Makefile
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fi
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done
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write " @echo ''"
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write " @echo '${fg_bold[white]}Makefile options:${reset_color}'"
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printf " @echo ' - %-14s $gnu'\n" "gnu:" >> $Makefile
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printf " @echo ' - %-14s $colors'\n" "colors:" >> $Makefile
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write " @echo ''"
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write " @echo '${fg_bold[white]}Rebuild the Makefile with:${reset_color}'"
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write " @echo ' zsh ./build.zsh$($colors && echo -n " -c")$($gnu && echo -n " -g")'"
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write ".PHONY: all clean distclean dist install uninstall help"
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write
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}
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export Makefile=Makefile
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export MAKE='$(MAKE)'
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export Q='$(Q)'
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export gnu=false
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export colors=false
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while (($# > 0)); do
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case "$1" in
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-c|--colors)
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export colors=true
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autoload -U colors
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colors
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;;
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-g|--gnu)
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export gnu=true
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;;
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-h|--help)
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echo "usage: $0 [OPTIONS]"
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echo
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echo "Options:"
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echo " -h, --help Print this help message."
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echo " -c, --colors Use colors in your Makefiles"
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echo " (relies on zsh/colors and your current \$TERM)"
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echo " -g, --gnu Sell your soul for gmake-dependent features."
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return 0
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;;
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*)
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error "unrecognised parameter: $1"
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return 1
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;;
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esac
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shift 1
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done
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echo "Generating Makefiles..."
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root=true main
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