## Building with clang
There are three different build types:

  env  | used for
-------|-----------------------|-------------------
build  | building grub         | CC, CFLAGS, etc.
host   | running the utilities | BUILD
target | running grub          | TARGET

- set ``CC``, ``BUILD_CC`` and ``TARGET_CC`` to clang
``
./configure --disable-werror --prefix=/
make -j6
make DESTDIR=../grub-tools/ install
``

### list of configure flags
  flag                 |
-----------------------|---------------------------------------
--enable-efiemu        | efiemu runtimes
--enable-mm-debug      | include memory manager debugging
--enable-cache-stats   | enable disk cache stat collection
--enable-boot-time     | enable boot time stat collection
--enable-grub-emu-sdl  | build grub-emu with SDL support
--enable-grub-emu-pci  | build grub-emu with PCI support
--enable-grub-mkfont   | grub-mkfont
--enable-grub-themes   | grub themes
--enable-grub-mount    | grub mount
--enable-device-mapper | enable linux device-mapper support
--enable-liblzma       | lzma compression
--enable-libzfs        | libzfs
--disable-werror       | do not use -Werror when building

## grub tools
grub-file         | check if file is of specified type
grub-script-check | check config for syntax errors

## links
[tarballs](https://ftp.gnu.org/gnu/grub/)