From cad002c371dd712ae91de9544f0307ade9d63518 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 4 Aug 2021 15:09:38 -0400
Subject: MODERN_GCC flag enables -fallow-argument-mismatch

---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 2435f37..9cc5c09 100644
--- a/Makefile
+++ b/Makefile
@@ -32,8 +32,12 @@ COMMON =  Atmos.com Dummy.com Equivs.com Factor.com Kappa.com Linex.com \
 X11LIB = /usr/X11/lib
 SMLIB = /usr/local/lib
 
+ifeq ($(MODERN_GCC), 1)
+FFLAGS_GCC10PLUS=-fallow-argument-mismatch
+endif
+
 FC = gfortran
-FFLAGS = -w -ff2c -fdefault-double-8 -fdefault-real-8
+FFLAGS = -Wall -Wextra -ff2c -fdefault-double-8 -fdefault-real-8 $(FFLAGS_GCC10PLUS)
 LDFLAGS = -L$(X11LIB) -lX11 -ltcl -ltk -L$(SMLIB) -lplotsub -ldevices -lutils
 
 #        here are the compilation and linking commands
-- 
cgit