## -*- Autoconf -*- # Copyright (C) 1999-2013 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # AM_PROG_CC_C_O # -------------- # Like AC_PROG_CC_C_O, but changed for automake. AC_DEFUN([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC_C_O])dnl AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl AC_REQUIRE_AUX_FILE([compile])dnl # FIXME: we rely on the cache variable name because # there is no other way. set dummy $CC am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']` eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o if test "$am_t" != yes; then # Losing compiler, so override with the script. # FIXME: It is wrong to rewrite CC. # But if we don't then we get into trouble of one sort or another. # A longer-term fix would be to have automake use am__CC in this case, # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" CC="$am_aux_dir/compile $CC" fi dnl Make sure AC_PROG_CC is never called again, or it will override our dnl setting of CC. m4_define([AC_PROG_CC], [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])]) ])