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-rw-r--r--m4/aclocal_fc.m414
1 files changed, 14 insertions, 0 deletions
diff --git a/m4/aclocal_fc.m4 b/m4/aclocal_fc.m4
index d2eef67..5107cc1 100644
--- a/m4/aclocal_fc.m4
+++ b/m4/aclocal_fc.m4
@@ -63,6 +63,20 @@ dnl was required" problem when libtool is also used
dnl [1] MPICH.org
dnl
+dnl See if the fortran compiler supports the intrinsic module "ISO_FORTRAN_ENV"
+
+AC_DEFUN([PAC_PROG_FC_ISO_FORTRAN_ENV],[
+ HAVE_ISO_FORTRAN_ENV="no"
+ AC_MSG_CHECKING([if Fortran compiler supports intrinsic module ISO_FORTRAN_ENV])
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ PROGRAM main
+ USE, INTRINSIC :: ISO_FORTRAN_ENV
+ END PROGRAM
+ ])],[AC_MSG_RESULT([yes])
+ HAVE_ISO_FORTRAN_ENV="yes"],
+ [AC_MSG_RESULT([no])])
+])
+
dnl See if the fortran compiler supports the intrinsic function "SIZEOF"
AC_DEFUN([PAC_PROG_FC_SIZEOF],[