mod_macro is enabled by default in apache, but it is not present in httpd.conf.
We need "macro" in IUSE_MODULES. Then it compiles with/without the macro module. Tested with 2.4.12-r1.
+ 07 Jun 2015; Pacho Ramos <pacho@gentoo.org> -apache-2.4.12.ebuild, + apache-2.4.12-r1.ebuild, metadata.xml: + mod_macro is now provided by apache itself (#477702 by Jan Vansteenkiste, and + Tomas Mozes) + What more is needed? Thanks
(In reply to Pacho Ramos from comment #2) > + 07 Jun 2015; Pacho Ramos <pacho@gentoo.org> -apache-2.4.12.ebuild, > + apache-2.4.12-r1.ebuild, metadata.xml: > + mod_macro is now provided by apache itself (#477702 by Jan Vansteenkiste, > and > + Tomas Mozes) > + > > What more is needed? > > Thanks