I normally run the Master branch on my machines, including a customized 32-bit version for a notebook running Puppy linux. The 64-bit custom build for my desktop built OK. I'm posting from it right now. I do the 32-bit build in a 32-bit CentOS 6.10 chroot. Last week, it built fine. Today, the build process dies with an error approximately 50 minutes into the build. I re-ran it with a standard "compliant" mozconfig, to make sure my tweaks weren't the problem. That dies too. The mozconfig contents are listed at the beginning of the attached log file. The error message in the log file appears to be...
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50:32.47 In the directory /home/pmbuilder/pmmaster/std/pmbuild/dom/base
50:32.47 The following command failed to execute properly:
50:32.47 /opt/rh/devtoolset-7/root/usr/bin/g++ -std=gnu++11 ... (ridiculously long command line)
I checked, and the "ridiculously long command line" is 3386 bytes long!!! I wonder if that length breaks something in 32-bit mode. The gzipped build log is attached...