diff --git a/libraries/prm/configure.ac b/libraries/prm/configure.ac index 5a0dddae4bf..301e11b2dff 100644 --- a/libraries/prm/configure.ac +++ b/libraries/prm/configure.ac @@ -74,9 +74,9 @@ dnl PWD: note in passing, this test always fails as it does not use dnl Fortran, might be just as well. AC_CACHE_CHECK([whether ${FC} supports type-kind notation], [ac_cv_fc_type_kind], - [AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ I=1_8 -]), +])], ac_cv_fc_type_kind=yes, ac_cv_fc_type_kind=no)]) if test $ac_cv_fc_type_kind = yes; then