"external" (if used as-needed flag). It should works with older libgfortran
Changed files:
lapack-gcc420.patch -> 1.1
--- /dev/null
+--- LAPACK/SRC/second.f.orig 2006-10-31 14:52:02.000000000 +0000
++++ LAPACK/SRC/second.f 2006-10-31 14:52:41.000000000 +0000
+@@ -19,9 +19,6 @@
+ * .. Local Arrays ..
+ REAL TARRAY( 2 )
+ * ..
+-* .. External Functions ..
+- REAL ETIME
+- EXTERNAL ETIME
+ * ..
+ * .. Executable Statements ..
+ *
+--- LAPACK/SRC/dsecnd.f.orig 2006-10-31 14:52:13.000000000 +0000
++++ LAPACK/SRC/dsecnd.f 2006-10-31 14:52:49.000000000 +0000
+@@ -19,9 +19,6 @@
+ * .. Local Arrays ..
+ REAL TARRAY( 2 )
+ * ..
+-* .. External Functions ..
+- REAL ETIME
+- EXTERNAL ETIME
+ * ..
+ * .. Executable Statements ..
+ *