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"Can't locate ExtUtils/MakeMaker.pm in @INC" during git build

I'm building git on a pretty minimal system (Ubuntu 16.04 docker image) without using the package manager (except for wget, xz-utils, make and gcc). I thus installed prerequisistes as follows:

apt-get update && apt-get install --yes wget xz-utils make gcc
wget http://www.cpan.org/src/5.0/perl-5.26.1.tar.gz && tar xf perl-5.26.1.tar.gz && cd perl-5.26.1 && ./configure.gnu && make -j16 && make install && cd ..
wget https://ftp.gnu.org/pub/gnu/gettext/gettext-0.19.8.1.tar.xz && tar xf gettext-0.19.8.1.tar.xz && cd gettext-0.19.8.1 && ./configure && make -j16 && make install && cd ..
wget https://www.zlib.net/zlib-1.2.11.tar.gz && tar xf zlib-1.2.11.tar.gz && cd zlib-1.2.11 && ./configure && make -j16 && make install && cd ..
cpan install ExtUtils::MakeMaker
wget https://www.kernel.org/pub/software/scm/git/git-2.13.3.tar.gz && tar xf git-2.13.3.tar.gz && cd git-2.13.3 && ./configure && make -j16 && make install && cd ..

However, make in the git source root fails due to

Can't locate ExtUtils/MakeMaker.pm in @INC (you may need to install the ExtUtils::MakeMaker module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.22.1 /usr/local/share/perl/5.22.1 /usr/lib/x86_64-linux-gnu/perl5/5.22 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.22 /usr/share/perl/5.22 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base .) at Makefile.PL line 3.
BEGIN failed--compilation aborted at Makefile.PL line 3.
make[1]: *** [perl.mak] Error 2
Makefile:83: recipe for target 'perl.mak' failed
make: *** [perl/perl.mak] Error 2
make: *** Waiting for unfinished jobs....
Makefile:1870: recipe for target 'perl/perl.mak' failed

I'm aware that there're a lot of solutions regarding Can't locate [module].pm in @INC for perl projects, How do I tell CPAN to install all dependencies?. However, git uses GNU autotools and options which could fix the issue are probably read from environment variables which I couldn't figure out so far.

The Ubuntu 16.04 provides a perl, but no cpan command (which is why I added the perl source installation). After the perl source installation is recognized, but doesn't seem to be used:

$ which -a perl
/usr/local/bin/perl
/usr/bin/perl
$ which -a cpan
/usr/local/bin/cpan

After cpan I get

$ find / -name MakeMaker.pm
/builds/project-0/perl-5.26.1/lib/ExtUtils/MakeMaker.pm
/builds/project-0/perl-5.26.1/cpan/ExtUtils-MakeMaker/lib/ExtUtils/MakeMaker.pm
/root/.cpan/build/ExtUtils-MakeMaker-7.32-0/lib/ExtUtils/MakeMaker.pm
/root/.cpan/build/ExtUtils-MakeMaker-7.32-0/blib/lib/ExtUtils/MakeMaker.pm
/usr/local/lib/perl5/5.26.1/ExtUtils/MakeMaker.pm
/usr/local/lib/perl5/site_perl/5.26.1/ExtUtils/MakeMaker.pm
$ perl -E 'say for @INC'
/usr/local/lib/perl5/site_perl/5.26.1/x86_64-linux
/usr/local/lib/perl5/site_perl/5.26.1
/usr/local/lib/perl5/5.26.1/x86_64-linux
/usr/local/lib/perl5/5.26.1

The setup is abstracted from a bootstrapping script, so using the package manager is really no option.

You can use docker run -i -t ubuntu:latest in case you care to investigate the environment.

I provided a reproducible build at https://gitlab.com/krichter/git-docker-build and example output of the GitLab CI runner can be found at https://gitlab.com/krichter/git-docker-build/-/jobs/53888412.

like image 495
Kalle Richter Avatar asked Feb 22 '18 15:02

Kalle Richter


2 Answers

In CentOS7, I encounter this issue, I find I should install the perl-devel firstly:

yum install perl-devel

Then retry it.

like image 122
aircraft Avatar answered Nov 22 '22 06:11

aircraft


using ./configure --with-perl=/usr/local/bin/perl for git works, however it's unclear for me why /usr/local/bin/perl isn't picked up before /usr/bin/perl if PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin.

The cpan ExtUtils::MakeMaker isn't necessary after adding --with-perl.

like image 29
Kalle Richter Avatar answered Nov 22 '22 06:11

Kalle Richter