psblas3:

config/pac.m4
 configure.ac
 configure

Added test for ISO_C_BINDING. Will be needed for AMD.

config/pac.m4

@@ -1348,6 +1348,53 @@ ifelse([$2], , , [  rm -rf conftest*
 fi
 rm -f conftest*])
 
+dnl @synopsis PAC_FORTRAN_TEST_ISO_C_BIND( [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl
+dnl Will try to compile and link a program checking the ISO C Binding  Fortran support.
+dnl
+dnl Will use MPIFC, otherwise '$FC'.
+dnl
+dnl If the test passes, will execute ACTION-IF-FOUND. Otherwise, ACTION-IF-NOT-FOUND.
+dnl Note : This file will be likely to induce the compiler to create a module file
+dnl (for a module called conftest).
+dnl Depending on the compiler flags, this could cause a conftest.mod file to appear
+dnl in the present directory, or in another, or with another name. So be warned!
+dnl
+dnl @author Michele Martone <michele.martone@uniroma2.it>
+dnl @author Salvatore Filippone <salvatore.filippone@uniroma2.it>
+AC_DEFUN(PAC_FORTRAN_TEST_ISO_C_BIND,
+ac_exeext=''
+ac_ext='f90'
+ac_link='${MPIFC-$FC} -o conftest${ac_exeext} $FCFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+dnl Warning : square brackets are EVIL!
+[AC_MSG_CHECKING([support for Fortran ISO_C_BINDING module])
+i=0
+while test \( -f tmpdir_$i \) -o \( -d tmpdir_$i \) ; do
+  i=`expr $i + 1`
+done
+mkdir tmpdir_$i
+cd tmpdir_$i
+cat > conftest.$ac_ext <<EOF
+program conftest
+  use iso_c_binding
+end program conftest
+EOF
+if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+  AC_MSG_RESULT([yes])
+  ifelse([$1], , :, [
+  $1])
+else
+  AC_MSG_RESULT([no])
+  echo "configure: failed program was:" >&AC_FD_CC
+  cat conftest.$ac_ext >&AC_FD_CC
+ifelse([$2], , , [  
+  $2
+])dnl
+fi
+cd ..
+rm -fr tmpdir_$i])
+
+
 dnl @synopsis PAC_FORTRAN_TEST_MOLD( [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
 dnl
 dnl Will try to compile and link a program checking the MOLD=  Fortran support.

configure.ac

@@ -542,6 +542,10 @@ PAC_FORTRAN_TEST_ISO_FORTRAN_ENV(
 	[FDEFINES="$psblas_cv_define_prepend-DHAVE_ISO_FORTRAN_ENV $FDEFINES"],
 )
 
+PAC_FORTRAN_TEST_ISO_C_BIND( 
+	[FDEFINES="$psblas_cv_define_prepend-DHAVE_ISO_C_BINDING $FDEFINES"],
+)
+
 
 PAC_FORTRAN_TEST_FINAL( 
 	[FDEFINES="$psblas_cv_define_prepend-DHAVE_FINAL $FDEFINES"],