Jeremy Baxter
6efe117545
Also removed excessive use of std.regex in esvapi.d and made it actually compile -_-
187 lines
3.3 KiB
Bash
Executable file
187 lines
3.3 KiB
Bash
Executable file
#!/usr/bin/env sh
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# simple and flexible configure script for people who don't like to waste time
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# licensed to the public domain
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set -e
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IMPORT=import
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mkf=Makefile
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cflags=-I"$IMPORT"
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objs='esv.o esvapi.o'
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srcs='esv.d esvapi.d'
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makefile='
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IMPORT = '"$IMPORT"'
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PREFIX = /usr/local
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MANPREFIX = ${PREFIX}/man
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DC = ${_DC}
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CFLAGS = ${_CFLAGS}
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OBJS = ${_OBJS} ini.o
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all: esv
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esv: ${OBJS}
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${DC} ${_LDFLAGS} -of=$@ ${OBJS}
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.SUFFIXES: .d .o
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.d.o:
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${DC} ${CFLAGS} -c $<
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ini.o: ${IMPORT}/dini/*.d
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${DC} ${CFLAGS} -of=ini.o -c ${IMPORT}/dini/*.d
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clean:
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rm -f esv ${OBJS}
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install: esv
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install -m755 esv ${DESTDIR}${PREFIX}/bin/esv
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cp -f esv.1 ${DESTDIR}${MANPREFIX}/man1
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cp -f esv.conf.5 ${DESTDIR}${MANPREFIX}/man5
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.PHONY: all clean install
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'
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# utility functions
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present () {
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command -v "$1" 1>/dev/null 2>/dev/null
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}
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using () {
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>&2 printf "using $1\n"
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}
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error () {
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>&2 printf "$(basename $0): $1\n"
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exit 1
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}
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# generators
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## D compiler
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gen_DC () {
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if ! [ -z "$dc" ]; then
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using "$dc"
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return 0
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fi
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if present ldc2; then
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dc=ldc2
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using ldc2
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elif present dmd; then
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dc=dmd
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using dmd
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else
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error "D compiler not found; install ldc or dmd"
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fi
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}
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## flags used in the compilation step
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gen_CFLAGS () {
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if [ -z "$debug" ]; then
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case "$dc" in
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ldc2) cflags="-Oz";;
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dmd) cflags="-O";;
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esac
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using "$cflags"
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else
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fdebugsymbols="-g"
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using "$fdebugsymbols"
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case "$dc" in
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ldc2)
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fdebug="-d-debug"
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using "$fdebug"
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foptimisation="-O0"
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using "$foptimisation"
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;;
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dmd) fdebug="-debug";;
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esac
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cflags="$fdebugsymbols $fdebug"
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unset fdebug
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unset fdebugsymbols
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unset foptimisation
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fi
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}
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## flags used in the linking step
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gen_LDFLAGS () {
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if [ "$dc" = ldc2 ]; then
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if present ld.lld; then
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ldflags="-linker=lld"
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using "$ldflags"
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elif present ld.gold; then
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ldflags="-linker=gold"
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using "$ldflags"
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fi
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fi
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}
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# command line interface
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while getopts c:dhr ch; do
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case "$ch" in
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c)
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case "$OPTARG" in
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ldc2) dc="ldc2" ;;
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dmd) dc="dmd" ;;
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*) error "unknown D compiler '$OPTARG' specified (valid options: ldc2, dmd)" ;;
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esac
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;;
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d) debug=1 ;;
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r) unset debug ;;
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h)
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cat <<EOF
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configure: create an optimised makefile for the current environment
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options:
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-c: force use of a particular compiler (dmd or ldc2)
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-d: build in debug mode, with debug symbols and statements enabled
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-r: build in release mode with optimisation flags enabled (default)
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-h: show this help message
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EOF
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exit 0
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;;
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?) exit 1 ;;
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:) exit 1 ;;
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esac
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done
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# creating the makefile
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u_cflags="$cflags"
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unset cflags
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gen_DC
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gen_CFLAGS
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gen_LDFLAGS
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rm -f "$mkf"
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printf '# begin generated definitions' >>"$mkf"
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printf '
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_DC = %s
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_CFLAGS = %s
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_LDFLAGS = %s
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' \
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"$dc" \
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"$cflags $u_cflags" \
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"$ldflags" \
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>>"$mkf"
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## generate obj list
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printf '_OBJS =' >>"$mkf"
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for obj in $objs; do
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printf " $obj" >>"$mkf"
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done
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printf '\n' >>"$mkf"
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printf '# end generated definitions\n' >>"$mkf"
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printf "$makefile" >>"$mkf"
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## generate dependency list
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>&2 printf "generating dependency list\n"
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printf '\n# begin generated dependencies\n' >>"$mkf"
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i=1
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for obj in $objs; do
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"$dc" $u_cflags -O0 -o- -makedeps \
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"$(printf "$srcs" | awk '{print $'"$i"'}')" >>"$mkf"
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i="$(($i + 1))"
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done
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printf '# end generated dependencies\n' >>"$mkf"
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