From 64d981bfd079735598dd81c0c56d2b534b3f482c Mon Sep 17 00:00:00 2001
From: Justin Lecher <jlec@gentoo.org>
Date: Sat, 28 Nov 2015 19:54:23 +0100
Subject: [PATCH] fortran-2.eclass: fortran_int64_abi_fflags() add

fortran_int64_abi_fflags help you querry for the necessary
compiler flags to enable 64bit int support

Signed-off-by: Justin Lecher <jlec@gentoo.org>
---
 eclass/fortran-2.eclass | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/eclass/fortran-2.eclass b/eclass/fortran-2.eclass
index ac89bf1ecc7e..6f3c4b283d5c 100644
--- a/eclass/fortran-2.eclass
+++ b/eclass/fortran-2.eclass
@@ -77,6 +77,22 @@ for _f_use in ${FORTRAN_NEEDED}; do
 	esac
 done
 
+# @FUNCTION: fortran_int64_abi_fflags
+# @DESCRIPTION: Return the Fortran compiler flag to enable 64 bit integers for
+# array indices
+# @CODE
+fortran_int64_abi_fflags() {
+	debug-print-function ${FUNCNAME} "${@}"
+	_FC=$(tc-getFC)
+	if [[ ${_FC} == *gfortran* ]]; then
+		echo "-fdefault-integer-8"
+	elif [[ ${_FC} == ifort ]]; then
+		echo "-integer-size 64"
+	else
+		die "Compiler flag for 64bit interger for ${_FC} unknown"
+	fi
+}
+
 # @FUNCTION: _fortran_write_testsuite
 # @INTERNAL
 # @DESCRIPTION:
-- 
2.26.2