[Bug-gnuzilla] Detection of broken compilers

[Antonio Trande]

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Hi all.

I'm stumbling on an error because of a "bad" compiler on ARM:
https://kojipkgs.fedoraproject.org//work/tasks/4168/7994168/build.log

These lines could indicate the problem

checking for gcc PR49911... yes     <---
checking for gcc pr39608... no
checking for llvm pr8927... yes     <---

that are not same if IceCat code is compiled on a no-ARM systems, like
here:
https://kojipkgs.fedoraproject.org//packages/icecat/31.2.0/4.fc22/data/logs/x86_64/build.log

Both builds use same compiler (GCC 4.9.1).

I can build IceCat on ARM only if are used default compiler flags; see
here
https://kojipkgs.fedoraproject.org//packages/icecat/31.2.0/4.fc22/data/logs/armv7hl/build.log

What's the problem ?


- -- 
Antonio Trande

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