$NetBSD: patch-src_Makefile,v 1.1 2020/07/08 12:15:08 nia Exp $

- macOS proper link flags for pkgsrc integration
- Respect environment variables

--- src/Makefile.orig	2016-10-03 06:43:39.000000000 +0000
+++ src/Makefile
@@ -131,10 +131,10 @@ SO_macosx=so
 O_macosx=o
 CC_macosx=gcc
 DEF_macosx=
-CFLAGS_macosx= -I$(LUAINC) $(DEF) -Wall -O2 -fno-common \
-	-fvisibility=hidden
-LDFLAGS_macosx= -bundle -undefined dynamic_lookup -o
-LD_macosx= export MACOSX_DEPLOYMENT_TARGET="10.3"; gcc
+CFLAGS_macosx= -I$(LUAINC) $(DEF) -Wall -fno-common \
+	-fvisibility=hidden -fPIC
+LDFLAGS_macosx=-O -shared -undefined dynamic_lookup -install_name $(prefix)/$(CDIR)/system/$(SOLIB) -o
+LD_macosx=gcc -fvisibility=hidden -fPIC
 
 #------
 # Compiler and linker settings
@@ -156,7 +156,7 @@ O_freebsd=o
 CC_freebsd=gcc
 DEF_freebsd=
 CFLAGS_freebsd= -I$(LUAINC) $(DEF) -Wall -Wshadow -Wextra \
-	-Wimplicit -O2 -ggdb3 -fpic -fvisibility=hidden
+	-Wimplicit -fPIC -fvisibility=hidden
 LDFLAGS_freebsd=-O -shared -fpic -o
 LD_freebsd=gcc
 
@@ -208,8 +208,8 @@ SOLIB=core.$(SO)
 #
 CC=$(CC_$(PLAT))
 DEF=$(DEF_$(PLAT))
-CFLAGS=$(MYCFLAGS) $(CFLAGS_$(PLAT))
-LDFLAGS=$(MYLDFLAGS) $(LDFLAGS_$(PLAT))
+CFLAGS+=$(MYCFLAGS) $(CFLAGS_$(PLAT))
+LDFLAGS+=$(MYLDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(PLAT))
 LD=$(LD_$(PLAT))
 LUAINC= $(LUAINC_$(PLAT))
 LUALIB= $(LUALIB_$(PLAT))