Re: [Ganglia-developers] Re: CVS weirdness ?

[Matt Massie]

that's correct. the changes are real. your local copy of aclocal.m4 and configure where automatically generated by aclocal and autoconf. however those files should not have been generated in the first place. for example, your new local "configure" was generated because autoconf determined that your configure.in (or configure.ac) was newer than your previous "configure" script. to prevent the new configure script from being generated in the first place... we could have modified the timestamps for configure.in to prevent autoconf from being run locally in the first place (with the "touch" command for example).

for a list of file dependencies... you can view...
http://matt-massie.com/docs/autobook-1.3/autobook_276.html#SEC276

the reason some of the local modifications went away is just because your generated files are identical to the generated files the author of the ./srclib/ libraries generated with his/her local toolchain (most likely because you are using close to the same version of toolchain). i actually copied and pasted all the ascii art into a single page to print and tape on the wall next to my desk to help keep things straight in my mind. it's not very intuitive.

user input files   optional input     process          output files
================   ==============     =======          ============

                    acinclude.m4 - - - - -.
                                          V
                                      .-------,
configure.in ------------------------>|aclocal|
                 {user macro files} ->|       |------> aclocal.m4
                                      `-------'

                    aclocal.m4 - - - - - - - .
                    (acconfig.h) - - - -.    |
                                        V    V
                                     .----------,
configure.in ----------------------->|autoheader|----> config.h.in
                                     `----------'

                                     .--------,
                                     |        | - - -> COPYING
                                     |        | - - -> INSTALL
                                     |        |------> install-sh
                                     |        |------> missing
                                     |automake|------> mkinstalldirs
configure.in ----------------------->|        |
Makefile.am  ----------------------->|        |------> Makefile.in
                                     |        |------> stamp-h.in
                                 .---+        | - - -> config.guess
                                 |   |        | - - -> config.sub
                                 |   `------+-'
                                 |          | - - - -> config.guess
                                 |libtoolize| - - - -> config.sub
                                 |          |--------> ltmain.sh
                                 |          |--------> ltconfig
                                 `----------'

                   aclocal.m4 - - - - - -.
                                         V
                                     .--------,
configure.in ----------------------->|autoconf|------> configure
                                     `--------'

-matt

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