From 19770fd10e4278c2b6732dfe03388141d95b1b27 Mon Sep 17 00:00:00 2001
From: Mohsin Shaikh <shaima0d@cdl5.hpc.kaust.edu.sa>
Date: Fri, 9 Oct 2020 17:20:20 +0300
Subject: [PATCH] adding fix to let Cray C compiler wrapper discover the
 comiple and link options in Cray programming environment

---
 m4/lx_find_mpi.m4 | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/m4/lx_find_mpi.m4 b/m4/lx_find_mpi.m4
index 9d45cb7..7193fc4 100644
--- a/m4/lx_find_mpi.m4
+++ b/m4/lx_find_mpi.m4
@@ -123,10 +123,18 @@ AC_DEFUN([LX_QUERY_MPI_COMPILER],
      # and link lines.  After this part of the macro, we'll have a valid
      # lx_mpi_command_line
      echo -n "Checking whether $$1 responds to '-showme:compile'... "
-     lx_mpi_compile_line=`$$1 -showme:compile 2>/dev/null`
+     if [[ "$(echo $MPICC | grep -o cc)" = "cc" ]]; then
+	lx_mpi_compile_line=`$$1 --cray-print-opts=cflags 2>/dev/null`
+     else 
+ 	lx_mpi_compile_line=`$$1 -showme:compile 2>/dev/null`
+     fi
      if [[ "$?" -eq 0 ]]; then
          echo yes
-         lx_mpi_link_line=`$$1 -showme:link 2>/dev/null`
+         if [[ "$(echo $MPICC | grep -o cc)" = "cc" ]]; then
+         	lx_mpi_link_line=`$$1 --cray-print-opts=libs 2>/dev/null`
+         else
+		lx_mpi_link_line=`$$1 -showme:link 2>/dev/null`
+	 fi
      else
          echo no
          echo -n "Checking whether $$1 responds to '-showme'... "