[JIRA] Created: (SSPCPP-478) Possible problem with g++ 4.6+ defining __STDC__ and __STDC_VERSION__

[Scott Cantor (JIRA)]

Possible problem with g++ 4.6+ defining __STDC__ and __STDC_VERSION__
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                 Key: SSPCPP-478
                 URL: https://issues.shibboleth.net/jira/browse/SSPCPP-478
             Project: Shibboleth SP - C++
          Issue Type: Bug
          Components: Build, Web Server Modules
    Affects Versions: 2.4.3, 2.4.2, 2.4.1, 2.4, 2.5
         Environment: GCC installed via opencsw.org
            Reporter: Scott Cantor
            Assignee: Scott Cantor
            Priority: Trivial


Not a bug in my code, but in case it turns out to be endemic.

The opencsw.org install of gcc/g++ on Solaris 10 Sparc is defining the __STDC__ macros even when compiling C++ code, which is 100% wrong. Apache relies on those macros to conditionally define its AP_INIT_TAKE1, etc. config macros in http_config.h with a syntax that does not work on C++ compilers and the module fails to compile.

I have no other instance of this happening, but any Apache 2.x module build with gcc would be vulnerable to this bug.

If it turns into a major problem, forcibly undefining the macros with -U may be required or even defining a configure test for this non-conformant compiler behavior.

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