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Fails to build on MinGW - sys/resource.h: No such file or directory #542

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@mkoeppe

Building on MinGW gives an easy route to supporting native Windows

But currently fplll FTBFS because it uses sys/resource.h

    [fplll-5.5.0]   [spkg-install] In file included from bkz_param.h:23,
    [fplll-5.5.0]   [spkg-install]                  from bkz.h:21,
    [fplll-5.5.0]   [spkg-install]                  from fplll.h:25,
    [fplll-5.5.0]   [spkg-install]                  from main.h:21,
    [fplll-5.5.0]   [spkg-install]                  from main.cpp:18:
    [fplll-5.5.0]   [spkg-install] defs.h:47:10: fatal error: sys/resource.h: No such file or directory
    [fplll-5.5.0]   [spkg-install]    47 | #include <sys/resource.h>
    [fplll-5.5.0]   [spkg-install]       |          ^~~~~~~~~~~~~~~~
    [fplll-5.5.0]   [spkg-install] compilation terminated.
    [fplll-5.5.0]   [spkg-install] make[6]: *** [Makefile:1419: main.o] Error 1
    [fplll-5.5.0]   [spkg-install] make[6]: *** Waiting for unfinished jobs....
    [fplll-5.5.0]   [spkg-install] libtool: compile:  g++ -std=gnu++11 -std=c++11 -DHAVE_CONFIG_H -I. -I.. -DFPLLL_DEFAULT_STRATEGY_PATH=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies\" -DFPLLL_DEFAULT_STRATEGY=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies/default.json\" -I./.. -I/d/a/fpylll/fpylll/sage-local/include/ -pthread -g -O2 -fPIC -I/d/a/fpylll/fpylll/sage-local/include/ -L/d/a/fpylll/fpylll/sage-local/lib -c util.cpp  -DDLL_EXPORT -DPIC -o .libs/libfplll_la-util.o
    [fplll-5.5.0]   [spkg-install] libtool: compile:  g++ -std=gnu++11 -std=c++11 -DHAVE_CONFIG_H -I. -I.. -DFPLLL_DEFAULT_STRATEGY_PATH=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies\" -DFPLLL_DEFAULT_STRATEGY=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies/default.json\" -I./.. -I/d/a/fpylll/fpylll/sage-local/include/ -pthread -g -O2 -fPIC -I/d/a/fpylll/fpylll/sage-local/include/ -L/d/a/fpylll/fpylll/sage-local/lib -c fplll.cpp  -DDLL_EXPORT -DPIC -o .libs/libfplll_la-fplll.o
    [fplll-5.5.0]   [spkg-install] libtool: compile:  g++ -std=gnu++11 -std=c++11 -DHAVE_CONFIG_H -I. -I.. -DFPLLL_DEFAULT_STRATEGY_PATH=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies\" -DFPLLL_DEFAULT_STRATEGY=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies/default.json\" -I./.. -I/d/a/fpylll/fpylll/sage-local/include/ -pthread -g -O2 -fPIC -I/d/a/fpylll/fpylll/sage-local/include/ -L/d/a/fpylll/fpylll/sage-local/lib -c lll.cpp  -DDLL_EXPORT -DPIC -o .libs/libfplll_la-lll.o
    [fplll-5.5.0]   [spkg-install] libtool: compile:  g++ -std=gnu++11 -std=c++11 -DHAVE_CONFIG_H -I. -I.. -DFPLLL_DEFAULT_STRATEGY_PATH=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies\" -DFPLLL_DEFAULT_STRATEGY=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies/default.json\" -I./.. -I/d/a/fpylll/fpylll/sage-local/include/ -pthread -g -O2 -fPIC -I/d/a/fpylll/fpylll/sage-local/include/ -L/d/a/fpylll/fpylll/sage-local/lib -c bkz.cpp  -DDLL_EXPORT -DPIC -o .libs/libfplll_la-bkz.o
    [fplll-5.5.0]   [spkg-install] libtool: compile:  g++ -std=gnu++11 -std=c++11 -DHAVE_CONFIG_H -I. -I.. -DFPLLL_DEFAULT_STRATEGY_PATH=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies\" -DFPLLL_DEFAULT_STRATEGY=\"/d/a/fpylll/fpylll/sage-local/share/fplll/strategies/default.json\" -I./.. -I/d/a/fpylll/fpylll/sage-local/include/ -pthread -g -O2 -fPIC -I/d/a/fpylll/fpylll/sage-local/include/ -L/d/a/fpylll/fpylll/sage-local/lib -c wrapper.cpp  -DDLL_EXPORT -DPIC -o .libs/libfplll_la-wrapper.o
    [fplll-5.5.0]   [spkg-install] In file included from nr/nr.h:7,
    [fplll-5.5.0]   [spkg-install]                  from nr/numvect.h:19,
    [fplll-5.5.0]   [spkg-install]                  from nr/matrix.h:21,
    [fplll-5.5.0]   [spkg-install]                  from util.h:23,
    [fplll-5.5.0]   [spkg-install]                  from util.cpp:16:
    [fplll-5.5.0]   [spkg-install] nr/../defs.h:47:10: fatal error: sys/resource.h: No such file or directory
    [fplll-5.5.0]   [spkg-install]    47 | #include <sys/resource.h>
    [fplll-5.5.0]   [spkg-install]       |          ^~~~~~~~~~~~~~~~
    [fplll-5.5.0]   [spkg-install] compilation terminated.

https://github.com/fplll/fpylll/actions/runs/15957602543/job/45005950350#step:10:1718

Activity

  1. mkoeppe commented on Jun 29, 2025

    @mkoeppe
    Author

    Can provide a CI for minGW if there's interest

  2. malb commented on Jun 30, 2025

    @malb
    Collaborator

    I don't think, at least, I would have the capacity to support Windows builds. I'm happy to accept PRs and offer Windows builds on a best effort basis, but if things were to break, I'd just remove Windows support. If someone else wants to be the maintainer of this part, different story, though :)

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