grub2: really disable liblzma

There is no option --enable-liblzma=no in grub2's configure script, so
the only way to disable liblzma support is to pass
ac_cv_lib_lzma_lzma_code=no.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Thomas: expand commit log, as suggested by Yann E. Morin.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/boot/grub2/grub2.mk b/boot/grub2/grub2.mk
index 88a46f4cee74ee185671eb07fb3d8aa1f359a54f..112a401b02e888f6f645ae0710c243c3e531e77c 100644 (file)
--- a/boot/grub2/grub2.mk
+++ b/boot/grub2/grub2.mk
@@ -62,7 +62,7 @@ GRUB2_CONF_OPTS = \
        --with-platform=$(GRUB2_PLATFORM) \
        --disable-grub-mkfont \
        --enable-efiemu=no \
-       --enable-liblzma=no \
+       ac_cv_lib_lzma_lzma_code=no \
        --enable-device-mapper=no \
        --enable-libzfs=no \
        --disable-werror