Hi Markus, On Thu, Nov 27, 2008 at 01:01:48AM +0100, Markus Hoenicka wrote: > > So if you compile with > > CPPFLAGS="-D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=500 -D_REENTRANT > -D_THREAD_SAFE" > > you should get the XS-interface on all noted platforms, as far as I > > know. > > Would you please provide some pointers to these switches? Are they > gcc-specific in any way? I'd like to add something like this to > configure.in.
Sure, _POSIX_C_SOURCE and _XOPEN_SOURCE are specified by POSIX/SUS directly: <https://www.opengroup.org/onlinepubs/000095399/functions/xsh_chap02_02.html#tag_02_02_01_01> Don't know if _REENTRANT is specified officially anywhere, but it's used by Solaris. <http://docsun.cites.uiuc.edu/sun_docs/C/solaris_9/SUNWdev/MTP/p44.html#COMPILE-4> Since I haven't seen a source for _REENTRANT and apparently Solaris doesn't need it if _POSIX_C_SOURCE is defined, it's probably reasonable to leave that out until the need arises. _THREAD_SAFE is, according to GNU's feature.h, a synonym for _REENTRANT, so you can probably leave that out, too. I've just tried to compile libdbi with ./configure --disable-docs \ CFLAGS="-Wall -Werror" \ CPPFLAGS="-D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=500" an ran into problems with [v]asprintf: Since they're no in any standard, Mac OS X (and therefore probably FreeBSD as well) will deactivate the prototypes. I'll follow up on this.. > - I've used a more portable way to calculate the buffer size required > for readdir_r, see > http://womble.decadentplace.org.uk/readdir_r-advisory.html Uh, I wouldn't use `-1' as an error indicator of type `size_t': `size_t' is declared unsigned on many platforms, comparing it with `-1' will cause warnings on many systems. Functions returning a memory size or a negative error condition should use `ssize_t' (see read(2) for example). > - I've fixed an obvious typo in the timegm.c patch (gmtime_r > vs. gmtime) D'oh! How did that compile on my machine? Regards, -octo -- Florian octo Forster Hacker in training GnuPG: 0x91523C3D http://verplant.org/
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