[haiku-commits] Re: BRANCH xyzzy-github.x86_64 - in src/add-ons/kernel/bus_managers/acpi: include acpica/include executer acpica/components/executer acpica/components
- From: "Ingo Weinhold" <ingo_weinhold@xxxxxx>
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Thu, 12 Jul 2012 16:15:54 +0200
xyzzy-github.x86_64 wrote:
> 6ba74ba: Fixed compilation of the boot loader on GCC 2.
>
> Not sure why but GCC 2 seems to be ignoring the extern "C" in smp.h when
> compiling smp_boot_other_cpus() resulting in undefined references. Fixed
> by putting extern "C" on the definition too.
Might have to do with the "void (*entryFunc)()" parameter. In C mode it is
interpreted as "void (*entryFunc)(...)" while in C++ it is "void
(*entryFunc)(void)". My guess is that the 'extern "C"' forces interpretation in
C mode while the function definition is interpreted in C++ mode. So the
signatures don't match and the symbol name is C++ mangled. If that assumption
is correct, adding the "void" explicitly in both prototype and definition
should help.
CU, Ingo
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