On 10.09.2012 23:16, Julian Foad wrote: >> On 10.09.2012 22:33, Julian Foad wrote: >>> Brane wrote: >>> [...] >>> >>>> +#if LINUX >>>> +static const char *linux_release_name(apr_pool_t *pool); >>>> +#endif >>> [...] >>> >>> On my Ubuntu GNU/Linux system: >>> >>> subversion/libsvn_subr/sysinfo.c:92:5: "LINUX" is not defined >>> subversion/libsvn_subr/sysinfo.c:116:7: "LINUX" is not defined >>> subversion/libsvn_subr/sysinfo.c:272:5: "LINUX" is not defined >>> >> That's extremely strange. It builds on my Ubuntu VM, where -DLINUX=2 is >> in CFLAGS. >> I think I can switch things around so that we don't have to depend on >> that symbol, but I'd be interested to figure out why you don't get the >> symbol. > The string "LINUX" doesn't appear in my subversion WC including build outputs > (except for the tests you added), nor anywhere in /usr/include except this > one test: > > /usr/include/apr-1.0/apr_general.h:#if defined(CRAY) || (defined(__arm) && > !defined(LINUX)) > > "cpp -dM" prints out the preprocessor's predefined macros; it isn't there > either: > > $ cpp -dM /dev/null | grep LINUX > $ cpp --version > cpp (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1 > > So where does it come from on your system, and what does it mean?
Interesting $ /usr/bin/apr-1-config --cppflags -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE My best guess is that you're building APR yourself, and this is a packager artefact. In other words, this was the wrong symbol to use. I'll try __linux__, as Philip suggests. -- Brane -- Certified & Supported Apache Subversion Downloads: http://www.wandisco.com/subversion/download