Example Configurations
Huge Mozilla configure.in
http://lxr.mozilla.org/seamonkey/source/configure.in
M4
Code Snippets
To include an M4 file, use the builtin function, e.g.
builtin(include, build/autoconf/myMacros.m4)
Important Macros
AC_CHECK_FILE
AC_CHECK_FILES
AC_MSG_WARNING
AC_MSG_CHECKING
AC_MSG_RESULT
Links
Guide to writing configure.in
http://www.adp-gmbh.ch/misc/tools/configure/configure_in.html
Current GNU Autoconf manual in PDF