Using Debian tools for building g++

StackOverflow https://stackoverflow.com/questions/2279324

  •  21-09-2019
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Question

I would like to rebuild g++ with my own specific settings.

Here is what I did so far:

sudo aptitude install build-dep g++-4.2
mkdir trial && cd trial
apt-get source g++-4.2

Now I want to configure my specific settings. For g++ this is normally done by e.g.

sh configure --prefix=/home/voku/non-productive

But unfortunately I cannot find a configure or configure.ac script inside the download directory.

What I am actually looking for is a way to say:

  • get the source
  • apply all the needed patches
  • become ready to build - but do not build

Are there additional steps that I need to get the configure script?

EDIT: Probably I could run one of the tools that actually create the .deb package for g++.

Afterwards - that's what I assume - there will be the needed configure script.

But that sounds awful:

  • build the g++ .deb package
  • cleanup the whole stuff again
  • then use the generated configure script with my own options
  • then build again
Was it helpful?

Solution

Many of Debian's source packages are special packages that build .deb files, which should be built using dpkg-buildpackage. Cf. Apt Howto: Working with source packages.

OTHER TIPS

As always, read the INSTALL file to learn what steps you must take in order to build the code.

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