On 17 May 2017 at 19:16, Eric Engestrom <eric.engestrom@xxxxxxxxxx> wrote: > On Wednesday, 2017-05-17 13:58:42 +0000, Yu, Qiang wrote: >> Hi Emil, >> >> I didn't modify the code. I'm using Ubuntu 14.04 gcc 4.8.4, the configure pass but >> fail when compile. >> >> I think my gcc support c99 but needs adding "-std=c99" to enable it, and the configure >> script add it into CC variable. > > From the AC_PROG_CC_C99 docs: >> If the C compiler is not in C99 mode by default, try to add an option >> to output variable `CC` to make it so. > > Grrrr... Add that to the pile of reasons to move away from autotools, > I suppose. > You do realise that cmake, meson and others have similar helper/macros, right? >> When just use "make", it's OK, but my build script uses >> "make CC=gcc". >> >> If you think current state is OK, I can change my build script for that. > > Yes, I think you should change your build command. It's a shame that > autotools has this bug, but we'd like to avoid changing our codebase to > work around these, and in this case, it would mean dropping the C99 > requirement and having to downgrade the whole codebase to something > older. > Again you're miles off, I'm afraid. Overrides is a make thing, which allows you to use [normally temporary] clever things. For example: - increase/decrease warning levels of part A in your project - change optimisation level of components B At the same time, if you do stupid things you get to pick the pieces. -Emil _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
