Hi, I'm looking for a combination of the target to include sub-packages which is built conditionally.
A package "X" include a libary "Y" as a subpackage, like X/ X/configure X/x-main.c X/x-sub1.c X/x-sub2.c X/... X/Y/ X/Y/configure X/Y/y-main.c X/Y/y-sub1.c X/Y/... Y is often installed as an external or system library, so X/configure calls AC_CONFIG_SUBDIRS([Y]) in some cases, not always. On the other hand, I want "make dist" to include "Y" subdirectory as a directory ready to call "configure", if a user wants to do it. How can I design X/Makefile.am for such purpose? "DIST_SUBDIRS = Y" seems to expect a "configured" status of "Y" subdirectory during "make dist". Nothing is needed to be built, but expected to be configured, to support "make dist" in "Y" subdirectory. "EXTRA_DIST = Y" does not need a "configured" status of "Y", but "make dist" would include everything into the tarball, like artifacts made in "configure" or building process. I tried to combine "DIST_SUBDIRS" and "dist-hook" to execute "Y/configure" when "make dist" is executed but "Y" subdirectory is not configured. It does not work, because "dist-hook" is processed after the preparation of dist directory - non-configured "Y" would block "make dist" if I use DIST_SUBDIRS. Is there any well-known technique matching with such purpose? Regards, suzuki toshiya
