#!/bin/sh

has() {
	which "$@" >/dev/null 2>&1
}

# Evaluate any envar assignments present on the command line
for arg ; do
	case "${arg}" in
	--prefix=*)
		PREFIX="${arg#*=}"
		export PREFIX
		;;
	CC=*|CXX=*|CPP=*|PREFIX=*)
		eval "${arg}"
		export "${arg%%=*}"
		;;
	esac
done

# BullseyeCoverage needs to know exactly which compiler we're using
if has "${CC}" "${CXX}" ; then
	echo "using CC=${CC}"
elif has clang clang++ ; then
	echo "using Clang"
	export CC="${CC:-clang}"
	export CXX="${CXX:-clang++}"
elif has gcc g++ ; then
	echo "using GCC"
	export CC="${CC:-gcc}"
	export CXX="${CXX:-g++}"
else
	echo "WARNING: using default compiler," \
	    "coverage analysis may not work"
fi
if [ -n "${CC}" ] ; then
	export CPP="${CPP:-${CC} -E}"
fi

# If a prefix was provided, look for autoconf and pkg-config directories
if [ -n "${PREFIX}" ] ; then
	if [ -f "${PREFIX}/share/aclocal/cryb_to.m4" ] ; then
		export ACLOCAL_PATH="${PREFIX}/share/aclocal:${ACLOCAL_PATH}"
		ACLOCAL_PATH="${ACLOCAL_PATH%:}"
		export ACLOCAL_PATH
	fi
	if [ -f "${PREFIX}/lib/pkgconfig/cryb-core.pc" ] ; then
		PKG_CONFIG_PATH="${PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH}"
		PKG_CONFIG_PATH="${PKG_CONFIG_PATH%:}"
		export PKG_CONFIG_PATH
	fi
fi

set -e

# Push coverage state and disable
if has cov01 ; then
	cov01 -qu
	cov01 -q0
fi

. ./autogen.sh

./configure \
    ${PREFIX:+--prefix="${PREFIX}"} \
    --enable-all \
    --enable-developer-warnings \
    --enable-werror \
    "$@"

# Restore coverage state
if has cov01 ; then
	cov01 -qo
fi