$NetBSD: patch-src_Makefile,v 1.5 2021/05/29 23:28:36 khorben Exp $

Only link with libdl on Linux.
Let pkgsrc set the _FORTIFY_SOURCE level.

--- src/Makefile.orig	2021-01-11 23:29:21.000000000 +0000
+++ src/Makefile
@@ -52,13 +52,14 @@ endif
 
 ####### Compiler options
 
+ifeq ($(PLATFORM_OS), Linux)
 override LDFLAGS += -L$(LIBPE) -lpe -lcrypto -lssl -ldl -lm
+else
+override LDFLAGS += -L$(LIBPE) -lpe -lcrypto -lssl -lm
+endif
 override CFLAGS += -I$(LIBPE)/include -I"../include" -W -Wall -Wextra -std=c99 -pedantic
-# Some gcc/clang builds (depends on the distro) already define _FORTIFY_SOURCE internally, so we
-# undefine it first to avoid redefinition warnings.
 override CPPFLAGS += \
 	-D_GNU_SOURCE \
-	-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 \
 	-DSHAREDIR="\"$(SHAREDIR)"\" \
 	-DPLUGINSDIR="\"$(pluginsdir)"\"