On 19 November 2013 23:02, Szymon Guz <mabew...@gmail.com> wrote: > On 19 November 2013 22:54, Kevin Grittner <kgri...@ymail.com> wrote: > >> Szymon Guz <mabew...@gmail.com> wrote: >> >> > is clang supported for compiling Postgres? I found some websites >> > with information that some people compiled Postgres succesfully, >> > but I got plenty of errors even with running ./configure. So I'm >> > wondering if it's my fault, however gcc works properly. >> >> I am able to build with this version of clang: >> >> Ubuntu clang version 3.4-1~exp1 (trunk) (based on LLVM 3.4) >> Target: x86_64-pc-linux-gnu >> Thread model: posix >> >> All I do is `export CC=clang` before running ./configure and make. >> >> I was getting three benign warnings which didn't show up for gcc, >> and recently committed changes to quiet those. >> >> >> > Hi Kevin, > thanks for the answer. > > I still get about twenty errors like: > > checking zlib.h usability... no > checking zlib.h presence... yes > configure: WARNING: zlib.h: present but cannot be compiled > configure: WARNING: zlib.h: check for missing prerequisite headers? > configure: WARNING: zlib.h: see the Autoconf documentation > configure: WARNING: zlib.h: section "Present But Cannot Be Compiled" > configure: WARNING: zlib.h: proceeding with the preprocessor's result > configure: WARNING: zlib.h: in the future, the compiler will take > precedence > configure: WARNING: ## ---------------------------------------- ## > configure: WARNING: ## Report this to pgsql-b...@postgresql.org ## > configure: WARNING: ## ---------------------------------------- ## > > But it seems that I'm using older clang: > Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM > 3.2) > Target: x86_64-pc-linux-gnu > Thread model: posix > > So maybe that's the problem, I will update clang and try once again. > > Yep, that's the problem. After updating to clang 3.4, there were no errors in configuring and compilation runs properly so far.
thanks, Szymon
