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#!/usr/bin/env bash
# Copyright © Tavian Barnes <tavianator@tavianator.com>
# SPDX-License-Identifier: 0BSD
# Writes the saved variables to gen/vars.mk
set -eu
print() {
NAME="$1"
OP="${2:-:=}"
if (($# >= 3)); then
printf '# %s\n' "${3#X}"
declare -n VAR="$3"
VALUE="${VAR:-}"
else
# Try X$NAME, $NAME, ""
local -n XVAR="X$NAME"
local -n VAR="$NAME"
VALUE="${XVAR:-${VAR:-}}"
fi
printf '%s %s %s\n' "$NAME" "$OP" "$VALUE"
}
cond_flags() {
local -n COND="$1"
if [[ "${COND:-}" == *y* ]]; then
print "$2" += "${1}_${2}"
fi
}
print PREFIX
print MANDIR
print OS
print ARCH
print CC
print INSTALL
print MKDIR
print RM
print CPPFLAGS := BFS_CPPFLAGS
cond_flags TSAN CPPFLAGS
cond_flags LINT CPPFLAGS
cond_flags RELEASE CPPFLAGS
print CPPFLAGS += XCPPFLAGS
print CPPFLAGS += EXTRA_CPPFLAGS
print CFLAGS := BFS_CFLAGS
cond_flags ASAN CFLAGS
cond_flags LSAN CFLAGS
cond_flags MSAN CFLAGS
cond_flags TSAN CFLAGS
cond_flags UBSAN CFLAGS
cond_flags SAN CFLAGS
cond_flags GCOV CFLAGS
cond_flags LINT CFLAGS
cond_flags RELEASE CFLAGS
print CFLAGS += XCFLAGS
print CFLAGS += EXTRA_CFLAGS
print LDFLAGS := XLDFLAGS
print LDFLAGS += EXTRA_LDFLAGS
print LDLIBS := XLDLIBS
print LDLIBS += EXTRA_LDLIBS
print LDLIBS += BFS_LDLIBS
print PKGS
# Disable ASLR on FreeBSD when sanitizers are enabled
case "$XOS-$SAN" in
FreeBSD-*y*)
printf 'POSTLINK = elfctl -e +noaslr $$@\n'
;;
esac
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