configure: remove test for zlib.h

hasn't been needed since:
  9523f2a Add Alpha Encode support from WebPEncode.

Change-Id: Ia784ac434ec6fd43aade8875a91e2ad9f0fa9c30
This commit is contained in:
James Zern 2012-04-19 16:54:59 -07:00
parent 262fe01be2
commit fa13035e97

View File

@ -21,15 +21,6 @@ AC_SEARCH_LIBS([log2], [m],,
[AC_DEFINE([NOT_HAVE_LOG2], [1],
[Undefine this if you have log2().])])
dnl === Check libz is present
if test "$enable_experimental" = "yes"; then
AC_CHECK_HEADER(zlib.h,
AC_CHECK_LIB(z, gzsetparams,,AC_MSG_ERROR(zlib library not found)),
AC_MSG_ERROR(zlib not available - no zlib.h)
)
fi
dnl === check for PNG support ===
PNG_INCLUDES=""