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Running builds from a previously used directory relies on correctness of 'make clean' or incremental 'make', and sadly perl (or perl-cross) does not have either. The particularly nasty problem, currently occurring, is that sometimes, when reusing a previous build, we arrive at a combination of timestamps in the tree, where make becomes very confused, gets lost in its own rules and enters an infinite loop, never figuring out what needs to be rebuild in what order. Worse, there is no reliable trigger for this that was found, and any attempts to 'isolate the issue' haven't produced one. Let's simply add a clean S/B separation for builds, and always run a build from a reproducible set of files. [YOCTO #14902] (From OE-Core rev: 0919f5ec214594380eb5190b4878eadb30e3a471) Signed-off-by: Alexander Kanavin <alex@linutronix.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
perl-cross provides configure script, top-level Makefile
and some auxiliary files for perl,
with the primary emphasis on cross-compiling the source.
# Get perl and perl-cross sources
curl -L -O http://www.cpan.org/src/5.0/perl-5.24.1.tar.gz
curl -L -O https://github.com/arsv/perl-cross/releases/download/1.1.3/perl-cross-1.1.3.tar.gz
# Unpack perl-cross over perl, overwriting Makefile
tar -zxf perl-5.24.1.tar.gz
cd perl-5.24.1
tar --strip-components=1 -zxf ../perl-cross-1.1.3.tar.gz
# Proceed as usual with most autoconfed packages
./configure --target=arm-linux-gnueabi --prefix=/usr -Duseshrplib
make -j4
make DESTDIR=/path/to/staging/dir install
Unlike mainline Perl, this configure never runs any target executables,
relying solely on compile/link tests and pre-defined hints.
On the flip side, it is only meant to run on resonably sane modern unix systems.
Check project pages for more info.
In particular, configure usage
lists available configure options.
Perl-cross is a free software licensed under the same terms
as the original perl source.
See LICENSE, Copying and Artistic files.