>>  1. I can't get automake to read a dynamically created AC_OUTPUT
>>     parameter list. This is correct behavior but how do I specify
>>     which files it should create?

Yes, automake needs a static AC_OUTPUT list.  Automake uses the
argument to AC_OUTPUT to determine which Makefile.am's to scan.

My suggestion: keep AC_OUTPUT static, and use dynamic SUBDIRS to
decide which directories not to build.

>>  2. The extension semantics does not enable me to use features of GNU
>>     Make like conditional statements, useful when not all compilers
>>     support dependency output. Automake chokes on shell errors when
>>     having "ifeq" statements in Makefile.am files.

Yes, automake does not allow this either.  One goal of automake is to
produce portable Makefiles.  GNU make conditionals are not portable.

Tom

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