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INSTALL: Update configure example 

..to make it more relevant.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
This commit is contained in:
Daniel Kiper 2020-05-13 14:02:50 +02:00
parent 4aa9614e0a
commit f2d56dea9d
1 changed files with 14 additions and 6 deletions
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20
INSTALL
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@ -160,12 +160,20 @@ For this example the configure line might look like (more details below)
(some options are optional and included here for completeness but some rarely
used options are omitted):
./configure BUILD_CC=gcc BUILD_PKG_CONFIG=pkg-config --host=amd64-linux-gnu
CC=amd64-linux-gnu-gcc CFLAGS="-g -O2" PKG_CONFIG=amd64-linux-gnu-pkg-config
--target=arm --with-platform=uboot TARGET_CC=arm-elf-gcc
TARGET_CFLAGS="-Os -march=armv6" TARGET_CCASFLAGS="-march=armv6"
TARGET_OBJCOPY="arm-elf-objcopy" TARGET_STRIP="arm-elf-strip"
TARGET_NM=arm-elf-nm TARGET_RANLIB=arm-elf-ranlib LEX=gflex
./configure --host=x86_64-linux-gnu --target=arm-linux-gnueabihf \
--with-platform=efi BUILD_CC=gcc BUILD_PKG_CONFIG=pkg-config \
HOST_CC=x86_64-linux-gnu-gcc HOST_CFLAGS='-g -O2' \
PKG_CONFIG=x86_64-linux-gnu-pkg-config TARGET_CC=arm-linux-gnueabihf-gcc \
TARGET_CFLAGS='-Os -march=armv8.3-a' TARGET_CCASFLAGS='-march=armv8.3-a' \
TARGET_OBJCOPY=arm-linux-gnueabihf-objcopy \
TARGET_STRIP=arm-linux-gnueabihf-strip TARGET_NM=arm-linux-gnueabihf-nm \
TARGET_RANLIB=arm-linux-gnueabihf-ranlib LEX=flex
Normally, for building a GRUB on amd64 with tools to run on amd64 to
generate images to run on ARM, using your Linux distribution's
packaged cross compiler, the following would suffice:
./configure --target=arm-linux-gnueabihf --with-platform=efi
You need to use following options to specify tools and platforms. For minimum
version look at prerequisites. All tools not mentioned in this section under