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- dnl A function to check if the system's zlib library should be used. The
- dnl builtin zlib dnl is used by default unless the user configured with
- dnl --with-system-zlib.
- AC_DEFUN([AM_ZLIB],
- [
- # Use the system's zlib library.
- zlibdir="-L\$(top_builddir)/../zlib"
- zlibinc="-I\$(top_srcdir)/../zlib"
- AC_ARG_WITH(system-zlib,
- [AS_HELP_STRING([--with-system-zlib], [use installed libz])],
- if test x$with_system_zlib = xyes ; then
- zlibdir=
- zlibinc=
- fi
- )
- AC_SUBST(zlibdir)
- AC_SUBST(zlibinc)
- ])
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