39 lines
940 B
Text
39 lines
940 B
Text
dnl Check to find the zlib headers/libraries
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AC_DEFUN(tinc_ZLIB,
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[
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tinc_ac_save_CPPFLAGS="$CPPFLAGS"
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AC_ARG_WITH(zlib,
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AC_HELP_STRING([--with-zlib=DIR], [zlib base directory, or:]),
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[zlib="$withval"
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CFLAGS="$CFLAGS -I$withval/include"
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CPPFLAGS="$CPPFLAGS -I$withval/include"
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LIBS="$LIBS -L$withval/lib"]
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)
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AC_ARG_WITH(zlib-include,
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AC_HELP_STRING([--with-zlib-include=DIR], [zlib headers directory]),
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[zlib_include="$withval"
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CFLAGS="$CFLAGS -I$withval"
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CPPFLAGS="$CPPFLAGS -I$withval"]
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)
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AC_ARG_WITH(zlib-lib,
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AC_HELP_STRING([--with-zlib-lib=DIR], [zlib library directory]),
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[zlib_lib="$withval"
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LIBS="$LIBS -L$withval"]
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)
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AC_CHECK_HEADERS(zlib.h,
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[],
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[AC_MSG_ERROR("zlib header files not found."); break]
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)
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CPPFLAGS="$tinc_ac_save_CPPFLAGS"
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AC_CHECK_LIB(z, compress2,
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[LIBS="$LIBS -lz"],
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[AC_MSG_ERROR("zlib libraries not found.")]
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)
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])
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