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https://wiki.archlinux.org/title/Bug_reporting_guidelines
Do NOT report bugs when a package is just outdated, or it is in the AUR. Use the 'flag out of date' link on the package page, or the Mailing List.
REPEAT: Do NOT report bugs for outdated packages!
FS#30004 - [gcc] Including <limits> header file fails when compiling with -m32
Attached to Project:
Arch Linux
Opened by Dan Liew (delcypher) - Thursday, 24 May 2012, 19:03 GMT
Last edited by Allan McRae (Allan) - Thursday, 24 May 2012, 20:40 GMT
Opened by Dan Liew (delcypher) - Thursday, 24 May 2012, 19:03 GMT
Last edited by Allan McRae (Allan) - Thursday, 24 May 2012, 20:40 GMT
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DetailsDescription: When using C++ code that uses numeric_limits<> and using the g++ option -m32 on a 64-bit system the code fails to compile with a pretty unhelpful error message. I'm not completely sure if this is a bug.
Additional info: Related packages installed: local/gcc 4.7.0-6 (base-devel) The GNU Compiler Collection - C and C++ frontends local/gcc-ada 4.7.0-6 Ada front-end for GCC (GNAT) local/gcc-libs 4.7.0-6 (base) Runtime libraries shipped by GCC local/lcov 1.9-1 front-end for GCC's coverage testing tool gcov local/lib32-gcc-libs 4.7.0-6 Runtime libraries shipped by GCC (32-bit) This is on a x86_64 Arch Linux install. Steps to reproduce: 1. Try to compile the attached file "limits.cpp" with the following command $ g++ -m32 limits.cpp 2. The following error is shown In file included from limits.cpp:1:0: /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/limits:1405:35: error: template argument 1 is invalid /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/limits:1479:44: error: template argument 1 is invalid If -m64 is used instead of -m32 the program compiles with out error. Compiling with the -v option can be seen here http://pastebin.com/JRJcVDX2 . I noticed that there was a message relating to mismatching headers and libraries but I'm not sure if it is an issue. 
limits.cpp
(0.1 KiB)
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This task depends upon
Comment by Evangelos Foutras (foutrelis) -
Thursday, 24 May 2012, 19:55 GMT
You might need to install gcc-multilib.
Comment by Dan Liew (delcypher) -
Thursday, 24 May 2012, 20:01 GMT
Thanks for the tip. I've done that and everything works as expected now. I foolishly assumed that Arch only had one gcc package and that installing lib32-gcc-libs and lib32-libstdc++5 would be sufficient to compile 32-bit executables.