AC_PROG_EGREP seems necessary (on Hydra, for example)

314fa509 · Lorenz Huedepohl · 95a9cfab · 314fa509
Commit 314fa509 authored Mar 19, 2015 by Lorenz Huedepohl
--- a/configure.ac
+++ b/configure.ac
@@ -64,6 +64,8 @@ if test "$can_compile_avx" = "yes" ; then
 fi
 AC_MSG_RESULT([$can_compile_avx])

+AC_PROG_EGREP
+
 AC_LANG([Fortran])
 AC_PROG_FC
 AC_FC_LIBRARY_LDFLAGS