Both are present as symlinks On Thursday, November 21, 2019 at 1:35:24 PM UTC-8, Dima Pasechnik wrote: > > > > On Thu, 21 Nov 2019, 21:09 Paul Masson, <paulm...@comcast.net > <javascript:>> wrote: > >> After installing both libpng and pkg-config, and making sure both are >> completely updated, building Sage still fails on matplotlib with the same >> error. Here is an output requested yesterday: >> >> pkg-config --libs libpng >> >> -L/usr/local/Cellar/libpng/1.6.37/lib -lpng16 -lz >> >> >> I added /usr/local/Cellar to my $PATH. Build still fails for matplotlib. >> >> >> Before I ignore the system libpng when building, is there anything else I >> should try? >> > > do you have /usr/local/include/png.h and /usr/local/lib/libpng.dylib > present? > > >> On Wednesday, November 20, 2019 at 4:36:02 PM UTC-8, Dima Pasechnik wrote: >>> >>> On Wed, Nov 20, 2019 at 11:56 PM Paul Masson <paulm...@comcast.net> >>> wrote: >>> > >>> > I'd like to understand why this is now necessary. I've been building >>> Sage on this Mac for several years without having this happen. I think the >>> last "make distclean" I did was in April. What might have changed in the >>> meantime? Perhaps this is relevant: >>> https://trac.sagemath.org/ticket/27186 >>> >>> Sure, now a system version of libpng is used by default. >>> We're trying to unvendor as much as possible from Sage the distribution, >>> see >>> https://trac.sagemath.org/ticket/27330 >>> - something which is a necessary step towards make sagelib a "normal" >>> Python library, >>> which you could install by running pip. >>> >>> So, yes, if you have a stale library somewhere it might break the >>> build, as it's not really >>> possible to test on all the possible broken configurations. >>> >>> You may force building of libpng by doing >>> >>> ./configure --without-system-png >>> >>> before running make >>> >>> Hope this explains. >>> > >>> > On Wednesday, November 20, 2019 at 3:38:12 PM UTC-8, Dima Pasechnik >>> wrote: >>> >> >>> >> you can do >>> >> >>> >> brew install libpng >>> >> >>> >> which would install libpng 1.6.37 into /usr/local/ >>> >> (I think, by looking at >>> >> >>> https://github.com/Homebrew/homebrew-core/blob/master/Formula/libpng.rb) >>> >>> >> >>> >> you can also install a lot of other homebrew packages, such as gmp, >>> etc >>> >> to account for more packages on >>> https://trac.sagemath.org/ticket/27330 >>> >> >>> >> >>> >> I've tweaked/wrote some Homebrew formulas to get flint and arb >>> >> >>> >> brew install dimpase/science/flint >>> >> brew install dimpase/science/arb >>> >> >>> >> from https://github.com/dimpase/homebrew-science >>> >> >>> >> (probably many more can be done this way too) >>> >> >>> >> >>> >> >>> >> On Wed, Nov 20, 2019 at 11:22 PM Paul Masson <paulm...@comcast.net> >>> wrote: >>> >> > >>> >> > I have Homebrew installed but have rarely used it so assumed it >>> wasn't part of the problem. It needed updating, but then the Sage build >>> stopped with the same matplotlib error. >>> >> > >>> >> > libpng-config --cflags >>> >> > >>> >> > -I/usr/local/Cellar/libpng/1.6.34/include/libpng16 >>> >> > >>> >> > >>> >> > libpng-config --ldflags >>> >> > >>> >> > -L/usr/local/Cellar/libpng/1.6.34/lib -lpng16 >>> >> > >>> >> > >>> >> > Guess I'll do a manual install with Homebrew unless there is a >>> better idea. >>> >> > >>> >> > >>> >> > On Wednesday, November 20, 2019 at 2:38:21 PM UTC-8, Dima Pasechnik >>> wrote: >>> >> >> >>> >> >> So you do have old (the current libpng there is 1.6.37, not >>> 1.6.34) >>> >> >> Homebrew (?) installed (or perhaps not 100% de-installed), with >>> libpng >>> >> >> installed in Cellar only (?) for some reason. It causes trouble, >>> as it >>> >> >> is (as well as matplolib's handling >>> >> >> of dependence discovery) is a bit broken. >>> >> >> >>> >> >> more our of curiosity, what are outputs of >>> >> >> >>> >> >> libpng-config --cflags >>> >> >> libpng-config --ldflags >>> >> >> >>> >> >> If you don't need it libpng, you can just remove it. >>> >> >> Else, you can remove it only for the Sage building. >>> >> >> Or you can update your Homebrew, properly install libpng etc... >>> >> >> >>> >> >> >>> >> >> On Wed, Nov 20, 2019 at 10:17 PM Paul Masson <paulm...@comcast.net> >>> wrote: >>> >> >> > >>> >> >> > For the first: >>> >> >> > >>> >> >> > otool -L local/lib/libgd.dylib >>> >> >> > >>> >> >> > local/lib/libgd.dylib: >>> >> >> > >>> >> >> > /Users/Masson/Downloads/GitHub/sage/local/lib/libgd.3.dylib >>> (compatibility version 4.0.0, current version 4.0.0) >>> >> >> > >>> >> >> > /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current >>> version 7.0.0) >>> >> >> > >>> >> >> > /usr/lib/libz.1.dylib (compatibility version 1.0.0, current >>> version 1.2.11) >>> >> >> > >>> >> >> > >>> /Users/Masson/Downloads/GitHub/sage/local/lib/libfreetype.6.dylib >>> (compatibility version 23.0.0, current version 23.1.0) >>> >> >> > >>> >> >> > /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current >>> version 1281.0.0) >>> >> >> > >>> >> >> > >>> >> >> > And the second: >>> >> >> > >>> >> >> > >>> >> >> > libpng-config --prefix >>> >> >> > >>> >> >> > /usr/local/Cellar/libpng/1.6.34 >>> >> >> > >>> >> >> > >>> >> >> > On Wednesday, November 20, 2019 at 2:12:17 PM UTC-8, Dima >>> Pasechnik wrote: >>> >> >> >> >>> >> >> >> also please post the output of >>> >> >> >> >>> >> >> >> libpng-config --prefix >>> >> >> >> >>> >> >> >> >>> >> >> >> On Wed, Nov 20, 2019 at 10:05 PM Dima Pasechnik < >>> dim...@gmail.com> wrote: >>> >> >> >> > >>> >> >> >> > hmm, strange. So it is found somewhere, not clear where. One >>> way to >>> >> >> >> > see is to check linking of libgd >>> >> >> >> > >>> >> >> >> > otool -L local/lib/libgd.dylib >>> >> >> >> > >>> >> >> >> > or perhaps in >>> >> >> >> > >>> >> >> >> > logs/pkgs/libgd* >>> >> >> >> > >>> >> >> >> > On Wed, Nov 20, 2019 at 9:49 PM Paul Masson < >>> paulm...@comcast.net> wrote: >>> >> >> >> > > >>> >> >> >> > > Here it is >>> >> >> >> > > >>> >> >> >> > > On Wednesday, November 20, 2019 at 1:39:19 PM UTC-8, Dima >>> Pasechnik wrote: >>> >> >> >> > >> >>> >> >> >> > >> please post config.log >>> >> >> >> > >> you have a mysterious copy of libpng somewhere... >>> >> >> >> > >> >>> >> >> >> > >> On Wed, Nov 20, 2019 at 9:36 PM Paul Masson < >>> paulm...@comcast.net> wrote: >>> >> >> >> > >> > >>> >> >> >> > >> > I do not have anaconda installed. Building from the git >>> repository with no package managers. >>> >> >> >> > >> > >>> >> >> >> > >> > On Wednesday, November 20, 2019 at 1:31:10 PM UTC-8, >>> Dima Pasechnik wrote: >>> >> >> >> > >> >> >>> >> >> >> > >> >> Probably anaconda conflict, do you have pkg-config >>> installed, so that >>> >> >> >> > >> >> >>> >> >> >> > >> >> pkg-config --libs libpng >>> >> >> >> > >> >> >>> >> >> >> > >> >> outputs a path to anaconda? >>> >> >> >> > >> >> >>> >> >> >> > >> >> I guess matplotlib does not use pkg-config, so it can't >>> find libpng in >>> >> >> >> > >> >> an unusual location. >>> >> >> >> > >> >> >>> >> >> >> > >> >> On Wed, Nov 20, 2019 at 7:57 PM Paul Masson < >>> paulm...@comcast.net> wrote: >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > On macOS 10.15.1, after "make distclean" I get >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > The following package(s) may have failed to build >>> (not necessarily >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > during this run of 'make all-start'): >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > * package: matplotlib-2.2.4.p0 >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > log file: >>> /Users/Masson/Downloads/GitHub/sage/logs/pkgs/matplotlib-2.2.4.p0.log >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > build directory: >>> /Users/Masson/Downloads/GitHub/sage/local/var/tmp/sage/build/matplotlib-2.2.4.p0 >>> >>> >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > In the attached log, it says that libpng is not >>> installed. I've never seen this error before, but I didn't think I'd have >>> to install anything manually that was mandatory for the build. Thoughts? >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > >>> >> >> >> > >> >> > On Sunday, November 17, 2019 at 4:42:15 PM UTC-8, >>> Volker Braun wrote: >>> >> >> >> > >> >> >> >>> >> >> >> > >> >> >> As always, you can get the latest beta version from >>> the "develop" git branch. Alternatively, the self-contained source tarball >>> is at http://www.sagemath.org/download-latest.html >>> >> >> >> > >> >> >> >>> >> >> >> > >> >> >> This is the first Python 3 beta, so incremental >>> builds probably aren't going to work. Use "make distclean" or the >>> appropriate configure flag to keep using Python 2 (noooo) >>> >> >> >> > >> >> >> >>> >> >> >> > >> >> >> >>> >> >> >> > >> >> >> 232ae1bddc (tag: 9.0.beta6) Updated SageMath version >>> to 9.0.beta6 >>> >> >> >> > >> >> >> 026a216fa4 Trac #28104: Openblas build failure >>> >> >> >> > >> >> >> 1e7795c1f2 Trac #28726: py3: cysignals fails its >>> test suite >>> >> >> >> > >> >> >> c53e82c055 Trac #28734: a few miscellanous details >>> >> >> >> > >> >> >> a55e518077 Trac #28721: Document sage-dist-helpers >>> >> >> >> > >> >> >> c87212c10b Trac #28715: remove some deprecated stuff >>> in combinat after 23319 and 15597 >>> >> >> >> > >> >> >> 2adaf8bc28 Trac #28686: Demote some optional >>> packages to experimental >>> >> >> >> > >> >> >> 381ddacd15 Trac #15077: Inconsistency in polynomial >>> .reverse(n) >>> >> >> >> > >> >> >> af4d15a8e1 Trac #28725: fix lawrence_extension and >>> lawrence_polytope for backend field >>> >> >> >> > >> >> >> a8e457e711 Trac #28719: remove deprecated function >>> aliases >>> >> >> >> > >> >> >> e46f2a5383 Trac #28717: some cleanup in __init__ >>> files >>> >> >> >> > >> >> >> 9101b22829 Trac #28709: Python executable in >>> doctest/control.py >>> >> >> >> > >> >> >> 6544bf8e40 Trac #28707: More control on the >>> numerical ODE solver for integrated curves and geodesics >>> >> >> >> > >> >> >> 50034a0ae9 Trac #28652: Rework the constructor of >>> PermutationGroupElement >>> >> >> >> > >> >> >> edc1360355 Trac #28606: CombinatorialPolyhedron: >>> unbounded -> is_bounded >>> >> >> >> > >> >> >> 3a35510660 Trac #28605: CombinatorialPolyhedron: >>> replace attributes by methods >>> >> >> >> > >> >> >> 133435b38d Trac #27302: Cubic Braid Groups >>> >> >> >> > >> >> >> 8d41eaeed4 Trac #27089: >>> CPLEXBackend.solver_parameter: Handle CPX_PARAMTYPE_LONG >>> >> >> >> > >> >> >> eb5d0df260 Trac #25183: Bug in the associahedron >>> object >>> >> >> >> > >> >> >> 94b6adde10 Trac #24108: >>> quadratic_form_from_invariants() >>> >> >> >> > >> >> >> e9e14ad864 Trac #28730: cvxopt fails its test suite >>> >> >> >> > >> >> >> a9146cd62b Trac #28714: clarify docstring of >>> plot.colors.float_to_integer >>> >> >> >> > >> >> >> f94189b015 Trac #28708: 5 cplex doctests failed in >>> cplex_backend.pyx >>> >> >> >> > >> >> >> 92a0045e31 Trac #28700: Fixing missing optional flag >>> in base_QQ.py >>> >> >> >> > >> >> >> 6c5f93dfb4 Trac #28689: py3: fix doctests with cbc >>> >> >> >> > >> >> >> 3dd1d44175 Trac #28660: Make Python 3 the default >>> >> >> >> > >> >> >> 0a86718461 Trac #28382: Correct types in cplex >>> backend >>> >> >> >> > >> >> >> 82b36b2ead Trac #27761: DES Block Cipher >>> >> >> >> > >> >> >> 93db4cc438 (tag: 9.0.beta5) Updated SageMath version >>> to 9.0.beta5 >>> >> >> >> > >> >> >> >>> >> >> >> > >> >> > -- >>> >> >> >> > >> >> > You received this message because you are subscribed >>> to the Google Groups "sage-release" group. >>> >> >> >> > >> >> > To 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