From 37caa3d71fd8bb4d0d9204e4a2f5cac234fa25fd Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Mon, 29 Apr 2024 15:30:39 -0400
Subject: build: Replace `make config` with a `./configure` script
This lets us do more traditional out-of-tree builds like
$ ../path/to/bfs/configure
$ make
The .mk files are moved from ./config to ./build, mostly so that
./configure will auto-complete easily.
---
configure | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
create mode 100755 configure
(limited to 'configure')
diff --git a/configure b/configure
new file mode 100755
index 0000000..6920212
--- /dev/null
+++ b/configure
@@ -0,0 +1,98 @@
+#!/bin/sh
+
+# Copyright © Tavian Barnes <tavianator@tavianator.com>
+# SPDX-License-Identifier: 0BSD
+
+# bfs build configuration script
+
+set -eu
+
+help() {
+ cat <<EOF
+Usage: $0 [-j<N>] [CC=...] [CFLAGS=...] [...]
+
+Compiler configuration:
+
+ CC
+ The C compiler to use
+ CPPFLAGS
+ C preprocessor flags
+ CFLAGS
+ C compiler flags
+ LDFLAGS
+ Linker flags
+ LDLIBS
+ Dynamic libraries to link
+
+ EXTRA_CPPFLAGS
+ EXTRA_CFLAGS
+ EXTRA_LDFLAGS
+ EXTRA_LDLIBS
+ Adds to the default flags, instead of replacing them
+
+Build profiles:
+
+ RELEASE=y
+ Enable optimizations, disable assertions
+ ASAN=y
+ LSAN=y
+ MSAN=y
+ TSAN=y
+ UBSAN=y
+ Enable sanitizers
+ GCOV=y
+ Enable code coverage instrumentation
+
+External dependencies:
+
+ PKG_CONFIG
+ The pkg-config binary to use
+
+ USE_LIBACL=[y|n]
+ USE_LIBCAP=[y|n]
+ USE_LIBSELINUX=[y|n]
+ USE_LIBURIG=[y|n]
+ USE_ONIGURUMA=[y|n]
+ Enable or disable external dependencies
+
+Packaging configuration:
+
+ PREFIX
+ Set the installation prefix (default: /usr)
+ MANDIR
+ Set the man page directory (default: \$PREFIX/share/man)
+EOF
+}
+
+for arg; do
+ case "$arg" in
+ --help)
+ help
+ exit 0
+ ;;
+ -*|*=*)
+ continue # make flag (-j2) or variable (CC=clang)
+ ;;
+ *)
+ printf 'error: Unrecognized option "%s"\n\n' "$arg" >&2
+ help >&2
+ exit 1
+ ;;
+ esac
+done
+
+# Get the relative path to the source tree based on how the script was run
+DIR=$(dirname -- "$0")
+
+# Set up symbolic links for out-of-tree builds
+for f in Makefile build completions docs src tests; do
+ test -e "$f" || ln -s "$DIR/$f" "$f"
+done
+
+# Infer -jN unless MAKEFLAGS is set
+j=
+if ! [ "${MAKEFLAGS+y}" ]; then
+ j="-j$({ nproc || sysctl -n hw.ncpu || getconf _NPROCESSORS_ONLN || echo 1; } 2>/dev/null)"
+fi
+
+${MAKE:-make} $j -rsf build/config.mk "$@"
--
cgit v1.2.3