On 03/16/2016 11:30 AM, Earnie wrote: > On 3/16/2016 4:02 AM, Václav Haisman wrote: >> On 15 March 2016 at 17:35, Paul Eggert <eggert@xxxxxxxxxxx> wrote: >>> On 10/04/2012 12:41 AM, Václav Zeman wrote: >>>> >>>> Does attached patch work for you? >>> >>> >>> Following up on this old thread, I applied the attached. In practice I >>> expect this doesn't matter much, as people configure with CC=clang when they >>> want clang. But we should at least fall back on clang if other C or C++ or >>> ObjC compilers do not work. >> >> Cool. I do not remember exactly if this was my motivation for the >> original submission but I believe this is still relevant for Cygwin >> where you can AFAIK install Clang and not install GCC (which creates >> the /usr/bin/cc to gcc). Without the patch, no compiler will be found >> even though Clang is present. This patch fixes the situation. >> > That is not a bug, it was a desired feature... > Rather than adding to this list of tools how about a configure.ac macro. > Something named AC_REQUIRE_TOOL sounds correct and then AC_CHECK_TOOLS > also checks (or maybe an option to only check) the required tool. > > The problem I find with the list of defaults is that it can grow and the > more in the default list the longer the configure script will take. If > I have a C package then I don't want to test for anything but a C > compiler. I don't care about any of the others and testing for them > slows down the build process for my package. > > Yes I know I can set CC to be specific about which one but the users of > the package may not have that set or may have something else entirely > set. My opinion is that the package maintainers need to be specific to > the tools required and punish them by not choosing any if none is set. > As a package maintainer I should also be able to set an option to ignore > the environment variables for these checks since the package may be > dependent on a specific named tool. > -- So many immigrant groups have swept through our town that Brooklyn, like Atlantis, reaches mythological proportions in the mind of the world - RI Safir 1998 http://www.mrbrklyn.com DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002 http://www.nylxs.com - Leadership Development in Free Software http://www2.mrbrklyn.com/resources - Unpublished Archive http://www.coinhangout.com - coins! http://www.brooklyn-living.com Being so tracked is for FARM ANIMALS and and extermination camps, but incompatible with living as a free human being. -RI Safir 2013 _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf
