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73

Trouble compiling a 32 bit binary on a 64 bit machine

rated 0 times [ 73] [ 0] / answers: 1 / hits: 67098 / 2 Years ago, fri, february 11, 2022, 3:55:36

I'm trying to compile a c program as a 32 bit binary instead of 64 bit. I started by just adding -m32 and got some errors. Googling around a little I came across a note to install ia32-libs. Running apt-get install ia32-libs resulted in a notification taht it was already installed and at the newest version.

There is a chain of libraries each one including the next until it fails:

/usr/include/features.h:323:26: fatal error: bits/predefs.h: No such file or directory

It seems to be including 32 bit versions of the other includes /usr/include/c++/4.6/x86_64-linux-gnu/32/bits/ ...

What am I missing?

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egantfis

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answered 2 Years ago mance · Accepted Answer

Lekensteyn's answer conflicted with lots of existing packages for me (on 64-bit oneiric).

I instead did this, which pulled in the libc6-dev-i386 package:

sudo apt-get install gcc-multilib