From 5bd21ab6e1e4da023185c1472877d9806b1d0c48 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 23 Dec 2018 23:46:48 +0100
Subject: [PATCH] Make sure that -fPIC is present when needed

override user-provided FFLAGS if necessary
---
 Makefile.system | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile.system b/Makefile.system
index 3987460ec..fb8e7ea41 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -1154,8 +1154,6 @@ ifndef FCOMMON_OPT
 FCOMMON_OPT = -O2 -frecursive
 endif
 
-
-
 override CFLAGS     += $(COMMON_OPT) $(CCOMMON_OPT) -I$(TOPDIR)
 override PFLAGS     += $(COMMON_OPT) $(CCOMMON_OPT) -I$(TOPDIR) -DPROFILE $(COMMON_PROF)
 
@@ -1163,6 +1161,12 @@ override FFLAGS     += $(COMMON_OPT) $(FCOMMON_OPT)
 override FPFLAGS    += $(FCOMMON_OPT) $(COMMON_PROF)
 #MAKEOVERRIDES =
 
+ifdef NEED_PIC
+ifeq (,$(findstring PIC,$(FFLAGS)))
+override FFLAGS += -fPIC
+endif
+endif
+
 #For LAPACK Fortran codes.
 #Disable -fopenmp for LAPACK Fortran codes on Windows.
 ifdef OS_WINDOWS