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18 lines
615 B
18 lines
615 B
dnl A function to check for zlib availability. zlib is used by default |
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dnl unless the user configured with --disable-nls. |
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AC_DEFUN([AM_ZLIB], |
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[ |
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# See if the user specified whether he wants zlib support or not. |
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AC_ARG_WITH(zlib, |
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[ --with-zlib include zlib support (auto/yes/no) [default=auto]], |
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[], [with_zlib=auto]) |
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if test "$with_zlib" != "no"; then |
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AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) |
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if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then |
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AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found]) |
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fi |
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fi |
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]) |
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