you don't have any of them, please obtain and install them before
configuring the GRUB.
-* GCC 4.1.3 or later
+* GCC 5.1.0 or later
+ Experimental support for clang 3.8.0 or later (results in much bigger binaries)
+ for i386, x86_64, arm (including thumb), arm64, mips(el), powerpc, sparc64
* GNU Make
* GNU Bison 2.3 or later
* GNU gettext 0.17 or later
* GNU binutils 2.9.1.0.23 or later
* Flex 2.5.35 or later
+* pkg-config
* Other standard GNU/Unix tools
+* a libc with large file support (e.g. glibc 2.1 or later)
On GNU/Linux, you also need:
* libdevmapper 1.02.34 or later (recommended)
-To build grub-emu, you need:
+For optional grub-emu features, you need:
-* ncurses
-* libusb (recommended)
* SDL (recommended)
+* libpciaccess (optional)
+* libusb (optional)
To build GRUB's graphical terminal (gfxterm), you need:
-* FreeType 2 or later
+* FreeType 2.1.5 or later
* GNU Unifont
If you use a development snapshot or want to hack on GRUB you may
need the following.
-* Python 2.5.2 or later
-* Autoconf 2.60 or later
-* Automake 1.10.1 or later
-* Autogen 5.10 or later
+* Python 2.6 or later
+* Autoconf 2.63 or later
+* Automake 1.11 or later
Prerequisites for make-check:
* qemu, specifically the binary 'qemu-system-i386'
+* xorriso 1.2.9 or later, for grub-mkrescue and grub-shell
Configuring the GRUB
====================
The simplest way to compile this package is:
- 1. `cd' to the directory containing the package's source code. If
- you don't use a release tarball you have to type `./autogen.sh'.
- Type `./configure' to configure the package for your system.
+ 1. `cd' to the directory containing the package's source code.
+
+ 2. Skip this and following step if you use release tarball and proceed to
+ step 4. If you want translations type `./linguas.sh'.
+
+ 3. Type `./bootstrap'.
+
+ * autogen.sh (called by bootstrap) uses python. By default the
+ invocation is "python", but it can be overridden by setting the
+ variable $PYTHON.
+
+ 4. Type `./configure' to configure the package for your system.
If you're using `csh' on an old version of System V, you might
need to type `sh ./configure' instead to prevent `csh' from trying
to execute `configure' itself.
Running `configure' takes awhile. While running, it prints some
messages telling which features it is checking for.
- 2. Type `make' to compile the package.
+ 6. Type `make' to compile the package.
- 3. Optionally, type `make check' to run any self-tests that come with
+ 7. Optionally, type `make check' to run any self-tests that come with
the package.
- 4. Type `make install' to install the programs and any data files and
+ 8. Type `make install' to install the programs and any data files and
documentation.
- 5. You can remove the program binaries and object files from the
+ 9. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
all sorts of other programs in order to regenerate files that came
with the distribution.
+Cross-compiling the GRUB
+========================
+
+GRUB defines 3 platforms:
+
+ - "Build" is the one which build systems runs on.
+ - "Host" is where you execute GRUB utils.
+ - "Target" is where GRUB itself runs.
+
+For grub-emu host and target must be the same but may differ from build.
+
+If build and host are different make check isn't available.
+
+If build and host are different man pages are not generated.
+
+As an example imagine you have a build system running on FreeBSD on sparc
+which prepares packages for developers running amd64 GNU/Linux laptop and
+they need to make images for ARM board running U-boot. In this case:
+
+build=sparc64-freebsd
+host=amd64-linux-gnu
+target=arm-uboot
+
+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 --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
+corresponding platform are not needed for the platform in question.
+
+ - For build
+ 1. BUILD_CC= to gcc able to compile for build. This is used, for
+ example, to compile build-gentrigtables which is then run to
+ generate sin and cos tables.
+ 2. BUILD_CFLAGS= for C options for build.
+ 3. BUILD_CPPFLAGS= for C preprocessor options for build.
+ 4. BUILD_LDFLAGS= for linker options for build.
+ 5. BUILD_PKG_CONFIG= for pkg-config for build (optional).
+
+ - For host
+ 1. --host= to autoconf name of host.
+ 2. CC= for gcc able to compile for host.
+ 3. CFLAGS= for C options for host.
+ 4. HOST_CC= for gcc able to compile for host.
+ 5. HOST_CFLAGS= for C options for host.
+ 6. HOST_CPPFLAGS= for C preprocessor options for host.
+ 7. HOST_LDFLAGS= for linker options for host.
+ 8. PKG_CONFIG= for pkg-config for host (optional).
+ 9. Libdevmapper if any must be in standard linker folders (-ldevmapper) (optional).
+ 10. Libfuse if any must be in standard linker folders (-lfuse) (optional).
+ 11. Libzfs if any must be in standard linker folders (-lzfs) (optional).
+ 12. Liblzma if any must be in standard linker folders (-llzma) (optional).
+ Note: The HOST_* variables override not prefixed variables.
+
+ - For target
+ 1. --target= to autoconf cpu name of target.
+ 2. --with-platform to choose firmware.
+ 3. TARGET_CC= for gcc able to compile for target.
+ 4. TARGET_CFLAGS= for C options for target.
+ 5. TARGET_CPPFLAGS= for C preprocessor options for target.
+ 6. TARGET_CCASFLAGS= for assembler options for target.
+ 7. TARGET_LDFLAGS= for linker options for target.
+ 8. TARGET_OBJCOPY= for objcopy for target.
+ 9. TARGET_STRIP= for strip for target.
+ 10. TARGET_NM= for nm for target.
+ 11. TARGET_RANLIB= for ranlib for target.
+ Note: If the TARGET_* variables are not specified then they will default
+ to be the same as the host variables. If host variables are not
+ specified then the TARGET_* variables will default to be the same
+ as not prefixed variables.
+
+ - Additionally for emu, for host and target.
+ 1. SDL is looked for in standard linker directories (-lSDL) (optional)
+ 2. libpciaccess is looked for in standard linker directories (-lpciaccess) (optional)
+ 3. libusb is looked for in standard linker directories (-lusb) (optional)
+
+ - Platform-agnostic tools and data.
+ 1. make is the tool you execute after ./configure.
+ 2. Bison is specified in YACC= variable
+ 3. Flex is specified in LEX= variable
+ 4. GNU unifont and Djvu sans are looked for in standard directories.
Compiling For Multiple Architectures
====================================
projects / grub2.git / blobdiff