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(parent: 8208d2b) | patch
Port recent libpng changes to hosts with missing png.h.
authorPaul Eggert <eggert@cs.ucla.edu>
Sun, 18 May 2014 05:50:17 +0000 (22:50 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Sun, 18 May 2014 05:50:17 +0000 (22:50 -0700)
commit0d1b87f90e06199963af1704a07f950c0184c0bd
treeec5f78d51080d5d7c27d57f3416987bd88b171catree | snapshot
parent8208d2bf95f924ed810dc06e84fc4c7d5ac004a5commit | diff
Port recent libpng changes to hosts with missing png.h.

* configure.ac (HAVE_PNG): Port to platforms where libpng-config
succeeds but png.h is absent, by testing libpng-config's output
rather than trusting it.  I ran into this problem when building
Emacs trunk on a Solaris 10 host.
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