# Value passed to ./configure for the --host argument. If empty, then
# --host will not be passed. Set this if you want to cross-compile.
BUILD_HOST=

# An example of how to cross-compile to mingw32 for Windows builds:
#BUILD_HOST=i586-mingw32msvc

# If we're cross-compiling to a different platform, this should be set
# to true. We initialize this based on whether BUILD_HOST has been set.
if [ "$BUILD_HOST" != "" ]; then
  IS_CROSS_COMPILE=true
else
  IS_CROSS_COMPILE=false
fi

# On OS X, we must set additional options: build 32-bit binaries, and the
# target API version.
if [ $(uname) = "Darwin" ]; then
    CC="gcc -m32"
    CXX="g++ -m32"
    LDFLAGS="-lobjc ${LDFLAGS:-}"
    MACOSX_DEPLOYMENT_TARGET=10.7
    export CC CXX LDFLAGS MACOSX_DEPLOYMENT_TARGET

    # Treat this like a cross-compile, since we're building 32-bit:
    IS_CROSS_COMPILE=true
else
    # TODO: explain what this does
    LDFLAGS="-Wl,-rpath -Wl,$INSTALL_DIR/lib ${LDFLAGS:-}"
    export LDFLAGS
fi