i like to record the flags used when running `./configure` to be shown when
running --version info with programs. yes, i'm aware of option quoting issues
and env vars not being saved and all those other fun details, but those are
irrelevant to me. vast majority of the time, the configure flags get me 100%
of the way.
originally i tried the obvious -- save $* before calling any autoconf code.
unfortunately, autoconf seems to outright delete all shell code before AC_INIT
(probably due to the m4 language), so that didnt work.
$ cat configure.ac
saved_conf_opts="$*"
AC_PREREQ([2.61])
AC_INIT(.........)
...
AC_DEFINE_UNQUOTED([SAVED_CONF_OPTS], ["${saved_conf_opts}"], [blah])
...
so then the next step was to save it right after AC_INIT is called. in most
cases, this works as expected.
$ cat configure.ac
AC_PREREQ([2.61])
AC_INIT(.........)
saved_conf_opts="$*"
...
AC_DEFINE_UNQUOTED([SAVED_CONF_OPTS], ["${saved_conf_opts}"], [blah])
...
but what's biting me is config.site usage. since these get processed before
the first user-generated content, they might clobber the shell arguments. is
there any way to do what i want here ?
-mike
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