#!/bin/sh
# Build XIElib and xieperf from the vendored X11R6.1 sources.
#
# The original imake build assumes a complete X11R6 tree. This script uses the
# host X11 headers/libraries instead (needs libX11 and libXmu development
# packages). Output: build/xieperf/xieperf
set -eu

cd "$(dirname "$0")"
ROOT=$(pwd)
BUILD="$ROOT/build"

CC=${CC:-gcc}
CFLAGS=${CFLAGS:--O2 -std=gnu89 -fcommon -w}

rm -rf "$BUILD"
mkdir -p "$BUILD/include/X11/extensions" "$BUILD/xieperf"

# XIElib.h installs as <X11/extensions/XIElib.h>; stage the headers in the
# layout the sources include them with.
cp xc/include/extensions/XIE.h \
   xc/include/extensions/XIEproto.h \
   xc/include/extensions/XIEprotost.h \
   xc/lib/XIE/XIElib.h \
   "$BUILD/include/X11/extensions/"

echo "== XIElib"
for f in xc/lib/XIE/*.c; do
    $CC $CFLAGS -I"$BUILD/include" -c "$f" -o "$BUILD/$(basename "${f%.c}").o"
done
ar rcs "$BUILD/libXIE.a" "$BUILD"/*.o

echo "== xieperf"
for f in xc/programs/xieperf/*.c; do
    $CC $CFLAGS -I"$BUILD/include" -Ixc/programs/xieperf \
        -c "$f" -o "$BUILD/xieperf/$(basename "${f%.c}").o"
done
$CC -o "$BUILD/xieperf/xieperf" "$BUILD"/xieperf/*.o "$BUILD/libXIE.a" \
    -lXmu -lX11 -lm

echo "built: $BUILD/xieperf/xieperf"