libpng12 1.2.54-2  (2015-11-23 16:20)
( Unsupported package: Potentially dangerous ! )
==> Edit PKGBUILD ? [Y/n] ("A" to abort)
==> ------------------------------------
==> n

==> libpng12 dependencies:
 - zlib (already installed)


==> Continue building libpng12 ? [Y/n]
==> ----------------------------------
==>
==> Building and installing package
==> Making package: libpng12 1.2.54-2 (Sun Nov 29 21:34:39 MSK 2015)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Downloading libpng-1.2.54.tar.xz...
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100  558k  100  558k    0     0   133k      0  0:00:04  0:00:04 --:--:--  188k
  -> Downloading libpng-1.2.54-apng.patch.gz...
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100 10675  100 10675    0     0   6033      0  0:00:01  0:00:01 --:--:--  6033
==> Validating source files with sha256sums...
    libpng-1.2.54.tar.xz ... Passed
    libpng-1.2.54-apng.patch.gz ... Passed
==> Extracting sources...
  -> Extracting libpng-1.2.54.tar.xz with bsdtar
==> Starting build()...
patch: **** Can't open patch file /tmp/yaourt-tmp-ziv/aur-libpng12/src/libpng-1.2.54-apng.patch : No such file or directory
==> ERROR: A failure occurred in build().
    Aborting...
==> ERROR: Makepkg was unable to build libpng12.