I guess the following should fix this: Index: modules/proxy/config.m4 =================================================================== --- modules/proxy/config.m4 (revision 1748670) +++ modules/proxy/config.m4 (working copy) @@ -13,6 +13,9 @@ if test "$proxy_mods_enable" = "no"; then enable_proxy_hcheck=no fi +if test -z "$enable_proxy_hcheck" ; then + enable_proxy_hcheck="$proxy_mods_enable" +fi
proxy_objs="mod_proxy.lo proxy_util.lo" APACHE_MODULE(proxy, Apache proxy module, $proxy_objs, , $proxy_mods_enable) Of course you need to run buildconf before your next configure call to regenerate configure which requires you to have Python, autoconf and libtool installed in suitable versions. Regards Rüdiger On 06/17/2016 04:09 PM, Jens Schleusener wrote: > Hi, > > I just tried to build Apache httpd 2.4.21 using the pre-release test tarball > under Linux (openSUSE Leap 42.1). But in > contrast to the previous releases my own build wrapper script unfortunately > failed. I could reproduce the problem by > just using the reduced command > > ./configure --enable-so --enable-mods-shared=few > > that issues > > [... lines deleted ...] > checking whether to enable mod_proxy_express... no (few) > checking whether to enable mod_proxy_hcheck... checking dependencies > configure: WARNING: "mod_watchdog is disabled but required for > mod_proxy_hcheck" > checking whether to enable mod_proxy_hcheck... configure: error: > mod_proxy_hcheck has been requested but can not be built due to prerequisite > failures > > Ok, a "configure --help" mentions > > --enable-proxy-hcheck reverse-proxy health-check module. Requires > --enable-proxy and --enable-watchdog > > but why is the module "proxy-hcheck" enabled while using the option > "--enable-mods-shared=few"? > > Unfortunately the option "--enable-mods-shared=few" seems not well documented > but it seems to enable for e.g. for 2.4.20 > only the modules access_compat, alias, auth_basic, authn_core, authn_file, > authz_core, authz_groupfile, authz_host, > authz_user, autoindex, dir, env, filter, heaaders, log_config, mime, > reqtimeout, setenvif, statis, unixd, and version. > But no "proxy"-related modules are included! > > A short analysis of the configure script of 2.4.21 let me find the somewhat > irritating line 23330 > > enable_proxy_hcheck=$enable_proxy_hcheck > > Comparing the logic about that line with that of the other "proxy"-related > modules I replaced that line by the more > meaningful (?) > > enable_proxy_hcheck=$proxy_mods_enable > > and at least ./configure now runs without errors. > > Additionally I found on lines 21591-21593 the in 2.4.21 added related code > > if test "$proxy_mods_enable" = "no"; then > enable_proxy_hcheck=no > fi > > that seems to me a little bit like an incomplete hack for the errorneous (?) > line 23330 mentioned above (but I'm not sure). > > Regards > > Jens >
