#!/bin/bash

set -e

findpath() {
        (cd "$(dirname "$0")" && pwd -P)
}

nproc=$(nproc || sysctl -n hw.ncpu || echo 4)

ndkdir=${ANDROID_NDK_ROOT:-$ANDROID_HOME/ndk-bundle}
abi=arm64-v8a
toolchain=$(findpath $0)/../.thirdparty/toolchains/$(uname)/$abi

export PATH=$toolchain/bin:$PATH

export ABI=$abi
export CPP=$toolchain/bin/$target-cpp
export AR=$toolchain/bin/$target-ar
export AS=$toolchain/bin/$target-as
export NM=$toolchain/bin/$target-nm
export CC=$toolchain/bin/clang
export CXX=$toolchain/bin/clang++
export LD=$toolchain/bin/$target-ld
export RANLIB=$toolchain/bin/$target-ranlib
export READELF=$toolchain/bin/$target-readelf
if [ -z "$OUT" ]; then
        export OUT=obj.$abi
fi

# pkg-config cross-compile
sysroot=$(findpath $0)/../.thirdparty/root/$abi
echo $sysroot
export PKG_CONFIG_DIR=
export CFLAGS="-I${sysroot}/include -I${sysroot}/usr/include -g"
export PKG_CONFIG_LIBDIR=${sysroot}/lib/pkgconfig:${sysroot}/usr/lib/pkgconfig:${sysroot}/share/pkgconfig
export PKG_CONFIG_SYSROOT_DIR=${sysroot}
export STATIC=-static
export ANDROID=1

# A tad annoying: pkg-config doesn't inject the sysroot.
export LDFLAGS="-L${sysroot}/lib -L${sysroot}/usr/lib"

make -j $nproc $@