I spoke too soon. Please ignore that previous message; it is incorrect. On Sun, Jun 6, 2010 at 12:33 PM, Philip Weaver <philip.wea...@gmail.com>wrote:
> Ah, I think I found the problem. According to the autoconf documentation, > AC_CHECK_PROG does nothing if the variable (in this case $check_cpp) is > already defined, and it looks like the variable is already defined when that > check occurs. > > > On Sun, Jun 6, 2010 at 6:40 AM, David Matthews < > david.matth...@prolingua.co.uk> wrote: > >> Philip Weaver wrote: >> >>> Hello. I have noticed that the configure script fails if the CXX >>> environment variable is set on OS X. The error message is (when >>> CXX=/usr/bin/c++): >>> >>> checking for /usr/bin/c++... no >>> configure: error: No C++ compiler found. Unable to build Poly/ML. >>> >>> >>> This happens when CXX is set to any valid CPP compiler. I'm pretty sure >>> it's not user error. >>> >>> The configure script works fine if CXX is unset or if I bypass the check >>> by >>> setting check_cpp=yes, as in the following example: >>> >>> check_cpp=yes CXX=/usr/bin/c++ ./configure >>> >>> I have confirmed that this happens on at least one other colleague's OS X >>> machine. We both have 10.6 Snow Leopard. I have checked both the 5.3 >>> release and the latest commit in SVN, and both of them display this >>> problem. >>> >>> Has anyone else encountered this problem? On other operating systems >>> besides OS X? >>> >> >> It looks as though it fails in the same way on Linux. I've removed the >> check since the build will fail anyway if there's no C++ compiler. >> >> David >> >> _______________________________________________ >> polyml mailing list >> polyml@inf.ed.ac.uk >> http://lists.inf.ed.ac.uk/mailman/listinfo/polyml >> > >
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