mod_deflate in httpd-2.2.29 is using APR_INT32_MAX which is only available since APR-1.3.
However httpd-2.x seems to require APR-1.2 only (http://httpd.apache.org/docs/2.2/install.html#requirements). Should we apply something like : Index: modules/filters/mod_deflate.c =================================================================== --- modules/filters/mod_deflate.c (revision 1635743) +++ modules/filters/mod_deflate.c (working copy) @@ -47,6 +47,10 @@ #define APR_WANT_STRFUNC #include "apr_want.h" +#ifndef APR_INT32_MAX +#define APR_INT32_MAX 0x7fffffff +#endif + #include "zlib.h" static const char deflateFilterName[] = "DEFLATE"; ? Regards, Yann.