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author | Tavian Barnes <tavianator@tavianator.com> | 2024-04-10 14:53:59 -0400 |
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committer | Tavian Barnes <tavianator@tavianator.com> | 2024-04-10 14:55:40 -0400 |
commit | 000ceddf7b607c70297d2dbdee4a800423975fc1 (patch) | |
tree | 0c4e47baacc13dfe70969d7cad183dcf1abb3bca /config | |
parent | 6c8d11e8e5b3457286fcda75b6516e93f1f12f17 (diff) | |
download | bfs-000ceddf7b607c70297d2dbdee4a800423975fc1.tar.xz |
build: Factor out vars.mk generation into a script
Diffstat (limited to 'config')
-rwxr-xr-x | config/vars.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/config/vars.sh b/config/vars.sh new file mode 100755 index 0000000..c0fb124 --- /dev/null +++ b/config/vars.sh @@ -0,0 +1,81 @@ +#!/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 |