Peter O'Gorman wrote: > > aaragon wrote: >> Hi everyone, >> >> I used to write c++ code in Ubuntu Linux, and then I started working on >> Mac >> OS so I had to transfer all my c++ code to the new system. My first task >> was >> to get a newer compiler than the one that is shipped by default with >> Leopard >> so using macports I compiled GCC v4.3. Now, for my surprise, most of my >> code >> didn't compile because it seems that the hash_set and hash_map >> (previously >> found under the ext/ directory) now became unordered_set and >> unordered_map, >> so I guess they are standard. > > I don't really understand the need to install a different compiler, the > gcc-4.x that ships with Xcode-3.0 is good enough for most Mac OS X > developers, and has quite a number of APPLE_LOCAL patches that you will > not find in upstream fsf gcc. > >> >> So, I had not only the header problem, but also the compiler version and >> the >> OS is different as well. I was using autotools before, but I didn't have >> all >> these checks. Honestly, I don't know how to solve these problems. I still >> need to compile the code on Linux machines, but then I have to #define a >> variable for the different headers. It would be nice if one could detect >> the system type, and then add directories to the search for headers. I >> couldn't find anything that accomplishes this so I was wondering if it is >> possible. For example, if I am in a Darwin OS, I could add directories >> /opt/local/include (macports) or /sw/include (fink) to the search. Is >> there >> a way to do this using autoconf? >> >> What is the best approach to take in these cases? Do you define >> parameters >> in config.h for later use for each OS, compiler version? Please help, I'm >> really lost, >> > > Usually setting CPPFLAGS=-I/opt/local/include LDFLAGS=-L/opt/local/lib > at configure time is sufficient. It is also possible to do this with gcc > env vars LIBRARY_PATH and CPATH. > > Does this answer your question? > > Peter > -- > Peter O'Gorman > http://pogma.com > > > _______________________________________________ > Autoconf mailing list > Autoconf@xxxxxxx > http://lists.gnu.org/mailman/listinfo/autoconf > > Well, the compiler version in the last Darwin is 4.0, and I've been using v4.2 in Linux. I had a lot of errors when I ported my code and instead of trying to find those, I just compiled a newer version of GCC. I'm not building MAC applications, and I'm using a lot of GNU open source. Thanks for replying. -- View this message in context: http://www.nabble.com/header-check%2C-cross-compiling-and-compiler-version--tp16214369p16223847.html Sent from the Gnu - Autoconf - General mailing list archive at Nabble.com. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
