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configure
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… AC_INIT, etc. …
# Checks for programs.
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
… more program checks …
AC_CACHE_SAVE
# Checks for libraries.
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(socket, connect)
… more lib checks …
AC_CACHE_SAVE
# Might abort… AM_PATH_GTK(1.0.2,, [AC_MSG_ERROR([GTK not in path])]) AM_PATH_GTKMM(0.9.5,, [AC_MSG_ERROR([GTK not in path])])
… AC_OUTPUT, etc. …