2016-03-22 17:25:20 +08:00
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dnl A function to check if the system's zlib library should be used. The
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dnl builtin zlib dnl is used by default unless the user configured with
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dnl --with-system-zlib.
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2009-11-25 06:35:29 +08:00
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AC_DEFUN([AM_ZLIB],
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[
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2016-03-22 17:25:20 +08:00
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# Use the system's zlib library.
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zlibdir="-L\$(top_builddir)/../zlib"
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zlibinc="-I\$(top_srcdir)/../zlib"
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AC_ARG_WITH(system-zlib,
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[AS_HELP_STRING([--with-system-zlib], [use installed libz])],
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if test x$with_system_zlib = xyes ; then
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zlibdir=
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zlibinc=
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2009-11-25 06:35:29 +08:00
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fi
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2016-03-22 17:25:20 +08:00
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)
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AC_SUBST(zlibdir)
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AC_SUBST(zlibinc)
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2009-11-25 06:35:29 +08:00
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])
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