config/user-zlib.m4

   1 dnl #
   2 dnl # Check for zlib
   3 dnl #
   4 AC_DEFUN([ZFS_AC_CONFIG_USER_ZLIB], [
   5         ZLIB=
   6
   7         AC_CHECK_HEADER([zlib.h], [], [AC_MSG_FAILURE([
   8         *** zlib.h missing, zlib-devel package required])])
   9
  10         AC_SEARCH_LIBS([compress2], [z], [], [AC_MSG_FAILURE([
  11         *** compress2() missing, zlib-devel package required])])
  12
  13         AC_SEARCH_LIBS([uncompress], [z], [], [AC_MSG_FAILURE([
  14         *** uncompress() missing, zlib-devel package required])])
  15
  16         AC_SEARCH_LIBS([crc32], [z], [], [AC_MSG_FAILURE([
  17         *** crc32() missing, zlib-devel package required])])
  18
  19         AC_SUBST([ZLIB], ["-lz"])
  20         AC_DEFINE([HAVE_ZLIB], 1, [Define if you have zlib])
  21 ])