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AC_CHECK_HEADERS(zlib.h)
AC_CHECK_LIB_EXT(z, ZLIB_LIBS, zlibVersion)
AC_CACHE_CHECK([for zlib >= 1.2.3], samba_cv_zlib_1_2_3, [
AC_TRY_COMPILE([
#include <zlib.h>
],[
#if (ZLIB_VERNUM >= 0x1230)
#else
#error "ZLIB_VERNUM < 0x1230"
#endif
],[
samba_cv_zlib_1_2_3=yes
],[
samba_cv_zlib_1_2_3=no
])
])
if test x"$ac_cv_header_zlib_h" = x"yes" -a \
x"$ac_cv_lib_ext_z_zlibVersion" = x"yes" -a \
x"$samba_cv_zlib_1_2_3" = x"yes"; then
SMB_EXT_LIB(ZLIB, [${ZLIB_LIBS}])
else
SMB_INCLUDE_MK(lib/zlib.mk)
fi
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