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cross-gcc-gensource - Online in the Cloud

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This is the command cross-gcc-gensource that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


cross-gcc-gensource - generates sources to build a Debian cross toolchain

SYNOPSIS


[TARGET_LIST=<arches to target>] [HOST_LIST=<build arches>] [SUFFIX=.1] cross-gcc-gensource <gcc-version>

example:
/tmp$ TARGET_LIST="armel armhf" HOST_LIST="amd64" cross-gcc-gensource 5

.... lots of verbose output ....

/tmp$ cd cross-gcc-packages-amd64/cross-gcc-5-armel

/tmp/cross-gcc-packages-amd64/cross-gcc-5-armel$ ls

debian

/tmp/cross-gcc-packages-amd64/cross-gcc-5-armel$ dpkg-buildpackage

.... building cross-toolchain ....

DESCRIPTION


This is a utility that prepares a directory with debianized sources which build cross
toolchain packages. The sources produced by this tool are very small; the code itself
comes from the "gcc-version-source" package and the necessary patches and extra build
stuff comes from the "cross-gcc-dev" package.

ARGUMENTS


Normal usage is

cross-gcc-gensource gcc_version

Where "gcc_version" is the base version of the toolchain we're building. At the time of
this writing we know about versions 4.9, 5 and 6. This commandline argument is required.

Specifying the target architectures
This tool generates a separate source package for each target architecture (the
architecture targetted by the cross-compiler being built). By default these architectures
are targetted:

arm64
armel
armhf
mips
mipsel
powerpc
ppc64el

If a different set of target architectures is required, set the "TARGET_LIST" environment
variable. For instance, to build for "armel" and "armhf":

TARGET_LIST="armel armhf" cross-gcc-gensource 5

Specifying the host architectures
Similarly, this tool generates a separate source tree for each host architecture (the
architecture the cross-compiler being built runs on). By default these architectures are
targetted:

amd64
i386

If a different set of host architectures is required, set the "HOST_LIST" environment
variable. For instance, to build just for "amd64":

HOST_LIST="amd64" cross-gcc-gensource 5

Specifying a verison suffix
If you need to upload a new source package when the version of gcc-source built-against
hasn't changed, then you need to add a version suffix to avoid binary-version clashes. An
optional SUFFIX env var allows this.

TARGET_LIST="armel armhf" SUFFIX=.1 cross-gcc-gensource 5

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