Not linked with libyajl - TCL 8.5+ cannot load - Ubuntu (work-around) about yajl-tcl HOT 8 CLOSED

You shouldn't put platform-specific paths in Makefile.in

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Absolutely. That is why this is a bug / work-around. To actually fix the bug, that work will need done. I may try to come back and do this (fork + pull request). But I have a product I need to develop for a customer first. 👍

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Roger!

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I don’t see that pkg_check_modules line being commented in configure.in

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That was part of the work-around I needed to do. Some reason "sudo apt-get install libyajl-dev" does not add itself to pkg-config. Maybe this part of the bug really belongs in that package? (edit: This is incorrect... It is added. But yajl-tcl build fails due to pkg-config / an issue with my specific environment)

But I did read that all static libraries need linked together for TCL 8.5+. Did not used to be that way. And I did not see libyajl.so being linked in the final dynamic library. (Just clarifying the part of the bug that belongs here - thanks for bringing this up @gahr!)

tl;dr Note: Using Bash on Windows -> Ubuntu with Netbeans + http://plugins.netbeans.org/plugin/39119/tcl-plugin + vxcsrv. But works same as Ubuntu w/ KDE. Wasn't able to get that far with Msys2 / MinGW. But the system I need to develop for is embedded Linux based using https://github.com/flightaware/yajl-tcl for a certain remote control TCL 2.0 software.

This library is really useful! Thank you to those who wrote it and those supporting it. Including @gahr and @resuna!

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I’m not an ubuntu expert, but the pkgconf file is listed here: https://packages.ubuntu.com/bionic/amd64/libyajl-dev/filelist

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I cannot reproduce this on a Ubuntu 16.04 machine. yajl-tcl builds fine out of the box:

$ autoconf
$ ./configure
$ make

$ dpkg -l 'libyajl*'
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  libyajl-dev:am 2.1.0-2      amd64        Yet Another JSON Library - develo
rc  libyajl1       1.0.12-2     amd64        Yet Another JSON Library
ii  libyajl2:amd64 2.1.0-2      amd64        Yet Another JSON Library

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I should technically be on Ubuntu 16.04. But it is Bash on Windows. So anything could be causing the pkg-config issue. Good to know! This is specific to me. I will remove that part / step 1 from this bug.

@mutability - I see that you are correct. I should have looked...my apologies!
prefix=/usr
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include/yajl

Name: Yet Another JSON Library
Description: A Portable JSON parsing and serialization library in ANSI C
Version: 2.1.0
Cflags: -I${includedir}
Libs: -L${libdir} -lyajl

edit: Removed from above

1. in configure.in:

#PKG_CHECK_MODULES([YAJL], [yajl >= 2.0], [],
#  AC_MSG_ERROR(Cannot find yajl]))

Update: Got a chance to try it again (with a different machine) in WSL / Ubuntu on Windows and it installed cleanly. Still has the issue when loading the module in TCL (can't find native C functions because of original library not being linked in final step). But it compiles just fine.

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