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.

1 files changed, 0 insertions, 100 deletions

diff --git a/config/pkgconf.sh b/config/pkgconf.sh
deleted file mode 100755
index 365ed61..0000000
--- a/config/pkgconf.sh
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/bin/sh
-
-# Copyright © Tavian Barnes <tavianator@tavianator.com>
-# SPDX-License-Identifier: 0BSD
-
-# pkg-config wrapper with hardcoded fallbacks
-
-set -eu
-
-MODE=
-case "${1:-}" in
-    --*)
-        MODE="$1"
-        shift
-esac
-
-if [ $# -lt 1 ]; then
-    exit
-fi
-
-case "$XNOLIBS" in
-    y|1)
-        exit 1
-esac
-
-if [ -z "$MODE" ]; then
-    # Check whether the libraries exist at all
-    for LIB; do
-        # Check ${USE_$LIB}
-        USE_LIB="USE_$(printf '%s' "$LIB" | tr 'a-z-' 'A-Z_')"
-        eval "USE=\"\${$USE_LIB:-}\""
-        case "$USE" in
-            y|1)
-                continue
-                ;;
-            n|0)
-                exit 1
-                ;;
-        esac
-
-        CFLAGS=$("$0" --cflags "$LIB") || exit 1
-        LDFLAGS=$("$0" --ldflags "$LIB") || exit 1
-        LDLIBS=$("$0" --ldlibs "$LIB") || exit 1
-        config/cc.sh $CFLAGS $LDFLAGS config/use/$LIB.c $LDLIBS || exit 1
-    done
-fi
-
-# Defer to pkg-config if possible
-if command -v "${XPKG_CONFIG:-}" >/dev/null 2>&1; then
-    case "$MODE" in
-        --cflags)
-            "$XPKG_CONFIG" --cflags "$@"
-            ;;
-        --ldflags)
-            "$XPKG_CONFIG" --libs-only-L --libs-only-other "$@"
-            ;;
-        --ldlibs)
-            "$XPKG_CONFIG" --libs-only-l "$@"
-            ;;
-    esac
-
-    exit
-fi
-
-# pkg-config unavailable, emulate it ourselves
-CFLAGS=""
-LDFLAGS=""
-LDLIBS=""
-
-for LIB; do
-    case "$LIB" in
-        libacl)
-            LDLIB=-lacl
-            ;;
-        libcap)
-            LDLIB=-lcap
-            ;;
-        libselinux)
-            LDLIB=-lselinux
-            ;;
-        liburing)
-            LDLIB=-luring
-            ;;
-        oniguruma)
-            LDLIB=-lonig
-            ;;
-        *)
-            printf 'error: Unknown package %s\n' "$LIB" >&2
-            exit 1
-            ;;
-    esac
-
-    LDLIBS="$LDLIBS$LDLIB "
-done
-
-case "$MODE" in
-    --ldlibs)
-        printf '%s\n' "$LDLIBS"
-    ;;
-esac