Fix zlib version check for 1.3 and future version.

bz#3604.

diff --git a/configure.ac b/configure.ac
index 07893e870659d2b96f196b4861f416cd98fae072..e3128dfcbb4e5ef918dc9b3cea99565c87d33f91 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1464,7 +1464,7 @@ else
        [[
        int a=0, b=0, c=0, d=0, n, v;
        n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
-       if (n != 3 && n != 4)
+       if (n < 1)
                exit(1);
        v = a*1000000 + b*10000 + c*100 + d;
        fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);