On 3/14/15 12:58 PM, Tom Lane wrote:
> I'm getting rather tired of reading these warning messages in OS X builds:
>
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file:
libpgport.a(dirmod.o)has no symbols
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file:
libpgport_srv.a(dirmod_srv.o)has no symbols
>
> The reason for this warning is that dirmod.o contains no functions that
> aren't Windows-specific. As such, it seems like putting it into the
> list of "always compiled" port modules is really a mistake. Any
> objections to switching it to be built only on Windows?
It looks like ar isn't even the preferred method to build static
libraries on OS X anymore. Instead, one should use libtool (not GNU
libtool), which has a -no_warning_for_no_symbols option.