GNU bug report logs - #30431
27.0.50; "Work even if libpng is install in /usr/local" causes build failure

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Message #8 received at 30431 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: 30431 <at> debbugs.gnu.org
Subject: Re: bug#30431: 27.0.50;
 "Work even if libpng is install in /usr/local" causes build failure
Date: Mon, 12 Feb 2018 16:39:58 +0100

Robert Cochran <robert+Emacs <at> cochranmail.com> writes:

> Build fails with an undefined symbol reference:
>
> CCLD     temacs
> /usr/bin/ld: image.o: undefined reference to symbol 'png_set_sig_bytes@@PNG16_0'
> //usr/lib64/libpng16.so.16: error adding symbols: DSO missing from command line
> collect2: error: ld returned 1 exit status
> make[1]: *** [Makefile:606: temacs] Error 1
> make[1]: Leaving directory '/home/Sora/Programming/emacs/src'
> make: *** [Makefile:418: src] Error 2
>
> OS is Fedora 27 amd64, libpng is libpng.1.6.31-1.fc27.x86_64

Same build error here on Debian testing.  Dropping the cited commit
doesn't seem to help, though.


Michael.

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