1AC_DEFUN([AC_ZLIB],[ 2AC_CHECK_HEADERS(zlib.h) 3 4AC_CHECK_LIB_EXT(z, ZLIB_LIBS, zlibVersion) 5 6AC_CACHE_CHECK([for zlib >= 1.2.3], samba_cv_zlib_1_2_3, [ 7 AC_TRY_COMPILE([ 8 #include <zlib.h> 9 ],[ 10 #if (ZLIB_VERNUM >= 0x1230) 11 #else 12 #error "ZLIB_VERNUM < 0x1230" 13 #endif 14 ],[ 15 samba_cv_zlib_1_2_3=yes 16 ],[ 17 samba_cv_zlib_1_2_3=no 18 ]) 19]) 20 21if test x"$ac_cv_header_zlib_h" = x"yes" -a \ 22 x"$ac_cv_lib_ext_z_zlibVersion" = x"yes" -a \ 23 x"$samba_cv_zlib_1_2_3" = x"yes"; then 24 $1 25else 26 $2 27fi 28]) 29 30