## --------------------------------------------------------- #### Check if gcc accepts '-pipe'.                             #### Adapted from AC_PROG_CC and AC_PROG_GCC_TRADITIONAL.      #### --------------------------------------------------------- ### serial 1AC_DEFUN(mfx_PROG_GCC_PIPE,[AC_REQUIRE([AC_PROG_CC])dnlAC_REQUIRE([AC_PROG_CPP])dnlif test "$ac_cv_prog_gcc" = yes; thenAC_CACHE_CHECK([whether ${CC-cc} accepts -pipe], mfx_cv_prog_gcc_pipe,[echo 'int main() { return 0; }' > conftest.cif test -z "`${CC-cc} -pipe -c conftest.c 2>&1`"; then  mfx_cv_prog_gcc_pipe=yeselse  mfx_cv_prog_gcc_pipe=nofirm -f conftest*])  if test "$mfx_cv_prog_gcc_pipe" = yes; then    CC="$CC -pipe"  fifi])