There are 64 packages with such a code
```
local _WRAPPER_BIN="${TERMUX_PKG_BUILDDIR}/_wrapper/bin"
mkdir -p "${_WRAPPER_BIN}"
if [[ "${TERMUX_ON_DEVICE_BUILD}" == "false" ]]; then
sed "s|^export PKG_CONFIG_LIBDIR=|export PKG_CONFIG_LIBDIR=${TERMUX_PREFIX}/opt/glib/cross/lib/x86_64-linux-gnu/pkgconfig:|" \
"${TERMUX_STANDALONE_TOOLCHAIN}/bin/pkg-config" \
> "${_WRAPPER_BIN}/pkg-config"
chmod +x "${_WRAPPER_BIN}/pkg-config"
export PKG_CONFIG="${_WRAPPER_BIN}/pkg-config"
fi
export PATH="${_WRAPPER_BIN}:${PATH}"
```
In most cases this code is same, in some cases it is done for libwayland cross building. And it is not obvious what exactly happens here.
This commit makes it more obvious and easier to read.
[no ci]
