Yeppers. It's because gcc for Homebrew still sets DARWIN automatically whereas for clang (Xcode), the canon macro is now __APPLE__
I've updated all APR's to be aware of __APPLE__ and, if set, it auto defines DARWIN and DARWIN_10 in apr.h This should fix the issues w/ all compilers. Thx for the extra info! > On Mar 14, 2019, at 7:49 PM, wuzhouhui <wuzhouhu...@mails.ucas.ac.cn> wrote: > >> >> On Mar 15, 2019, at 5:44 AM, William A Rowe Jr <wr...@rowe-clan.net> wrote: >> >> Jim, Stefan, wuzhouhui... >> >> On Wed, Mar 13, 2019 at 3:13 PM Jim Jagielski <j...@jagunet.com> wrote: >>> >>> FWIW, I have apr-1.6 here and cannot confirm the below. When compiling w/ >>> httpd, DARWIN_10 is defined as required. >>> >>>> On Mar 3, 2019, at 9:26 AM, wuzhouhui <wuzhouhu...@mails.ucas.ac.cn> wrote: >>>> >>>> ~/Downloads/apr-1.6.5$ gcc -I./include a.c >>>> a.c:7:33: warning: format specifies type 'long' but the argument has type >>>> 'apr_off_t' (aka 'long long') [-Wformat] >>>> printf("%" APR_OFF_T_FMT "\n", a); >>>> ~~~ ^ >>>> >>>> Outputs of `uname -a`: >>>> Darwin wzhdeMacBook-Pro.local 18.2.0 Darwin Kernel Version 18.2.0: Mon Nov >>>> 12 20:24:46 PST 2018; root:xnu-4903.231.4~2/RELEASE_X86_64 x86_64 >> >> Sounds like the same kernel... >> >>>> Outputs of `gcc --version`: >>>> Configured with: --prefix=/Library/Developer/CommandLineTools/usr >>>> --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/c++/4.2.1 >>>> Apple LLVM version 10.0.0 (clang-1000.10.44.4) >>>> Target: x86_64-apple-darwin18.2.0 >>>> Thread model: posix >>>> InstalledDir: /Library/Developer/CommandLineTools/usr/bin >> >> Seems like this is a quirk that has been fixed between clang-1000.10.44.4 >> and clang-1000.11.45.5? Could you possibly update and recheck, wuzhouhui? > I use gcc-8.3.0 to compile a.c, but no warning produced: > > ~/Downloads/apr-1.6.5$ gcc-8 --version > gcc-8 (Homebrew GCC 8.3.0) 8.3.0 > Copyright (C) 2018 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > ~/Downloads/apr-1.6.5$ /usr/local/bin/gcc-8 -I./include a.c > ~/Downloads/apr-1.6.5$ > >> >> So why would DARWIN_10 affect this? No indication that >> >> Then I realized everyone reporting this is likely tripping over the >> _FILE_OFFSET_BITS confusion inherent in normal vs LFS code. wuzhouhui's >> example is a specific c snippet, Jim, did you test that specifically? I'm >> going back over the entire logic that gets us to apr_off_t, because it was >> very fragile in the first place. >> >> I'd be very appreciative if each of you could send me your config.status and >> config.log results from > Put config.status and config.log inline is too long, and I'm not sure whether > this > mailing list support attachment. Anyway, I attach config.status and > config.log and > please remind me if you don't get them. > >> ./configure of apr 1.6.5 so I can see what is miscalculated, where between >> the apr_int64_t and apr_off_t, on BSD and OSX. Then look at what sort of >> horrible mess the apr.h.in leaves us with on osx/darwin, given the zany >> exceptions listed there. >> >> Thanks, >> >> Bill