The developers of PCC (the Portable C compiler) released version 1.1.0 of the compiler and compiler library, so I decided to give it a run on my computer.

Source packages are available at ftp://pcc.ludd.ltu.se/pub/pcc/. To get a working compiler, one needs to build both pcc and pcc-libs. I followed the instructions for earlier versions of Ubuntu, with some modifications.

First, for uniformity reasons, everything will be installed in /usr instead of the default /usr/local. All libs go to /usr/lib instead of libexec. So, the ‘configure’ command looks like ./configure --prefix=/usr --libexecdir=/usr/lib.

for both packages. The order probably does not matter. I started with ‘pcc’. If ‘flex’ and ‘bison; are missing, the ‘configure’ script will not complain, but the build will fail. So we need to ‘sudo apt-get install flex bison’ before going any further. Compilation is lightning fast, but you can accelerate it a bit by using

make -j[number of cpu cores/threads]

Next, we install the compiled files to their places under /usr. Instead of doing ‘sudo make install’ I did ‘sudo checkinstall’.

The install of ‘pcc’ failed because of a conflict in /usr/share/man/man1/cpp.1, so I had to rename the man file and repackage the deb (here is a good guide).

The install of ‘pcc-libs’ went smoothly, but when trying to build a helloworld.c, pcc executable complained about not finding ‘crt1.o’ and ‘crti.o’. It turned out that it’s a well-known problem not yet solved in 1.1.0 (see discussion here). I just copied these files (together with ‘crtn.o’) from /usr/lib/i386-linux-gnu to /usr/lib/pcc/i686-pc-linux-gnu/1.1.0/lib, and repackaged this deb, too.

To add the final touch, I rebuilt both packages with ‘pcc’ instead of ‘gcc’ (by passing CC=pcc to the ‘configure’ scripts). Here are the packages for i386:

And here are the packages for amd64:

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Follow-up posts on this topic:

2 Responses to “PCC on Ubuntu 12.04”

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