fix zlib autodetection error introduced in [3360]. Fixes #517
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@ -267,8 +267,7 @@ AC_MSG_CHECKING([which zlib implementation to use])
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case "$zlib" in
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case "$zlib" in
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"detect")
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"detect")
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AC_MSG_RESULT([autodetect])
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AC_MSG_RESULT([autodetect])
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AC_CHECK_LIB(z, main,
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AC_CHECK_LIB(z, main, ,
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[zlib="system"],
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[zlib="shipped"]
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[zlib="shipped"]
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)
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)
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;;
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;;
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@ -294,7 +293,7 @@ if [[ "$zlib" = "shipped" ]]; then
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ZLIB="\$(top_builddir)/zlib/libzlib.la"
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ZLIB="\$(top_builddir)/zlib/libzlib.la"
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AM_CONDITIONAL([ENABLE_SHIPPED_ZLIB], true)
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AM_CONDITIONAL([ENABLE_SHIPPED_ZLIB], true)
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ZLIBINCL="-I\$(top_srcdir)/zlib"
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ZLIBINCL="-I\$(top_srcdir)/zlib"
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elif [[ "$zlib" = "system" ]]; then
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elif [[ "$zlib" = "system" ]] || [[ "$zlib" = "detect" ]]; then
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ZLIB="" # AC_CHECK_LIB will add -lz to @LIBS@ automatically
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ZLIB="" # AC_CHECK_LIB will add -lz to @LIBS@ automatically
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AM_CONDITIONAL([ENABLE_SHIPPED_ZLIB], false)
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AM_CONDITIONAL([ENABLE_SHIPPED_ZLIB], false)
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ZLIBINCL=""
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ZLIBINCL=""
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