weixin_39789979
2020-12-07 05:39 阅读 1

Windows/Cygwin: ./configure packaged with versions 3.0.6 and 3.1.4 produces invalid Makefile

libmodbus version

3.0.1, 3.1.4; Git HEAD fails with a syntax error in autogen.sh.

OS and/or distribution

Windows with Cygwin.

Environment

x86_64.

Description

For 3.1.4: Makefile:284: *** missing separator. Stop.

For 3.0.6: Makefile:266: *** missing separator. Stop.

Expected behavior

Successful compilation.

Actual behavior

Make is unable to interpret the makefile.

Steps to reproduce the behavior (commands or source code)

./configure && make

该提问来源于开源项目:stephane/libmodbus

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4条回答 默认 最新

  • weixin_39850699 weixin_39850699 2020-12-07 05:39

    Makefile isn't provided by git repo. Did you run ./autogen.sh to generate it from your git checkout?

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  • weixin_39789979 weixin_39789979 2020-12-07 05:39

    Sorry, do you not support your releases from this repository? I filed this in response to the inability to compile both releases offered on the download page. If you don't want issues with the releases here I can update this bug to be about the issue with autogen.sh, but I strongly suspect the issues are related and that the issue with the Makefiles has persisted to this point.

    To answer your immediate question I am unable to run autogen.sh due to a syntax error (unexpected end of file). Seeing as the error with the Makefile has persisted between two releases I am going to hazard a guess that it is still present. I can't see anything obviously wrong with the autogen script or the generated Makefile.

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  • weixin_39850699 weixin_39850699 2020-12-07 05:39

    Yes, of course, I try to support at least the recent releases butMakefile files aren't provided by the release tarballs so my first idea is just to suspect an issue with your env. Each generated Makefile could be different (OS, version dependent), saying:

    Makefile:284: *** missing separator. Stop.

    doesn't help me to solve your issue.

    BTW it's first time in more than 10 years I received a bug report about a broken Makefile. May be you disk is full, your RAM broken, ... I can't help you with: unexpected end of file error.

    Have you been able to untar the release w/o issue?

    
    md5sum libmodbus-3.1.4.tar.gz
    b1a8fd3a40d2db4de51fb0cbcb201806  libmodbus-3.1.4.tar.gz
    
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  • weixin_39789979 weixin_39789979 2020-12-07 05:39

    Sorry, I didn't mean to claim that I was using a provided Makefile. For the releases cited (I'm more interested in the 3.1.4 development version) there is no autogen.sh in the produced directory structure. The release ships a configuration script which I run to produce the Makefile.

    I verified the MD5 sum and found it matched without redownloading. When I attempted to build it this time I found that there were no errors in the Makefile, and that having MinGW in my PATH seemed to be confusing Cygwin and the configure script. I removed it and now the project builds.

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