From 628de9d1198b724ec6427b9ca7de1c8e2e9ab9b3 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 5 Jan 2021 11:13:53 +0100
Subject: [PATCH 01/15] Change Make vars to work in Gentoo builds

---
 chat/Makefile.linux                  | 2 +-
 configure                            | 4 ++--
 pppd/plugins/Makefile.linux          | 8 ++++++--
 pppd/plugins/pppoatm/Makefile.linux  | 3 +--
 pppd/plugins/pppoe/Makefile.linux    | 4 ++--
 pppd/plugins/pppol2tp/Makefile.linux | 3 +--
 pppd/plugins/radius/Makefile.linux   | 6 +++---
 7 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/chat/Makefile.linux b/chat/Makefile.linux
index 407cc12..9b09ae3 100644
--- a/chat/Makefile.linux
+++ b/chat/Makefile.linux
@@ -19,7 +19,7 @@ INSTALL= install
 all:	chat
 
 chat:	chat.o
-	$(CC) $(LDFLAGS) -o chat chat.o
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^
 
 chat.o:	chat.c
 	$(CC) -c $(CFLAGS) -o chat.o chat.c
diff --git a/configure b/configure
index f977663..bb72fba 100755
--- a/configure
+++ b/configure
@@ -7,7 +7,7 @@ SYSCONF=/etc
 
 # Compile defaults
 CROSS_COMPILE=
-CC=cc
+CC ?= cc
 CFLAGS=
 
 system=`uname -s`
@@ -20,7 +20,7 @@ case $system in
     makext="linux";
     ksrc="linux";
     state="known";
-    CFLAGS="-O2 -g -pipe";;
+    CFLAGS="$(CFLAGS)";;
   SunOS)
     karch=`/usr/bin/isainfo -k`
     case $release in
diff --git a/pppd/plugins/Makefile.linux b/pppd/plugins/Makefile.linux
index 6403e3d..89cf5e7 100644
--- a/pppd/plugins/Makefile.linux
+++ b/pppd/plugins/Makefile.linux
@@ -8,7 +8,11 @@ MANDIR = $(DESTDIR)/share/man/man8
 LIBDIR = $(DESTDIR)/lib/pppd/$(VERSION)
 
 CFLAGS	= $(COPTS) -I.. -I../../include -fPIC
-LDFLAGS_SHARED	= -shared
+LDFLAGS_PROG := $(LDFLAGS)
+export LDFLAGS LDFLAGS_PROG
+LDFLAGS += -shared
+# need the following option, otherwise linking plugins might fail with undef errors (Gentoo bug 210837)
+LDFLAGS += -Wl,--allow-shlib-undefined
 INSTALL	= install
 
 # EAP-TLS
@@ -35,7 +39,7 @@ all:	$(PLUGINS)
 	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d all || exit $$?; done
 
 %.so: %.c
-	$(CC) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) $(CFLAGS) $^
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^ $(LIBS)
 
 VERSION = $(shell awk -F '"' '/VERSION/ { print $$2; }' ../patchlevel.h)
 
diff --git a/pppd/plugins/pppoatm/Makefile.linux b/pppd/plugins/pppoatm/Makefile.linux
index d3a8086..ad6b074 100644
--- a/pppd/plugins/pppoatm/Makefile.linux
+++ b/pppd/plugins/pppoatm/Makefile.linux
@@ -9,7 +9,6 @@ LIBDIR = $(DESTDIR)/lib/pppd/$(VERSION)
 VERSION = $(shell awk -F '"' '/VERSION/ { print $$2; }' ../../patchlevel.h)
 
 CFLAGS	= $(COPTS) -I../.. -I../../../include -fPIC
-LDFLAGS_SHARED	= -shared
 INSTALL	= install
 
 PLUGIN := pppoatm.so
@@ -34,7 +33,7 @@ endif
 all: $(PLUGIN)
 
 $(PLUGIN): $(PLUGIN_OBJS)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(LDFLAGS_SHARED) $^ $(LIBS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
 
 install: all
 	$(INSTALL) -d -m 755 $(LIBDIR)
diff --git a/pppd/plugins/pppoe/Makefile.linux b/pppd/plugins/pppoe/Makefile.linux
index c415ce3..e18c6de 100644
--- a/pppd/plugins/pppoe/Makefile.linux
+++ b/pppd/plugins/pppoe/Makefile.linux
@@ -29,7 +29,7 @@ CFLAGS=$(COPTS) -I../../../include
 all: pppoe.so pppoe-discovery
 
 pppoe-discovery: pppoe-discovery.o debug.o
-	$(CC) $(LDFLAGS) -o pppoe-discovery pppoe-discovery.o debug.o
+	$(CC) $(LDFLAGS_PROG) $(CFLAGS) -o pppoe-discovery pppoe-discovery.o debug.o
 
 pppoe-discovery.o: pppoe-discovery.c
 	$(CC) $(CFLAGS) -I../../.. -c -o pppoe-discovery.o pppoe-discovery.c
@@ -38,7 +38,7 @@ debug.o: debug.c
 	$(CC) $(CFLAGS) -I../../.. -c -o debug.o debug.c
 
 pppoe.so: plugin.o discovery.o if.o common.o
-	$(CC) $(LDFLAGS) -o pppoe.so -shared plugin.o discovery.o if.o common.o
+	$(CC) $(LDFLAGS) $(CFLAGS) -o pppoe.so -shared plugin.o discovery.o if.o common.o
 
 install: all
 	$(INSTALL) -d -m 755 $(LIBDIR)
diff --git a/pppd/plugins/pppol2tp/Makefile.linux b/pppd/plugins/pppol2tp/Makefile.linux
index 1aa1c0b..899bb5f 100644
--- a/pppd/plugins/pppol2tp/Makefile.linux
+++ b/pppd/plugins/pppol2tp/Makefile.linux
@@ -9,7 +9,6 @@ LIBDIR = $(DESTDIR)/lib/pppd/$(VERSION)
 VERSION = $(shell awk -F '"' '/VERSION/ { print $$2; }' ../../patchlevel.h)
 
 CFLAGS	= $(COPTS) -I. -I../.. -I../../../include -fPIC
-LDFLAGS_SHARED	= -shared
 INSTALL	= install
 
 PLUGINS := pppol2tp.so openl2tp.so
@@ -17,7 +16,7 @@ PLUGINS := pppol2tp.so openl2tp.so
 all: $(PLUGINS)
 
 %.so: %.o
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(LDFLAGS_SHARED) $^ $(LIBS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
 
 install: all
 	$(INSTALL) -d -m 755 $(LIBDIR)
diff --git a/pppd/plugins/radius/Makefile.linux b/pppd/plugins/radius/Makefile.linux
index 489aef2..df90b17 100644
--- a/pppd/plugins/radius/Makefile.linux
+++ b/pppd/plugins/radius/Makefile.linux
@@ -47,13 +47,13 @@ install: all
 	$(INSTALL) -c -m 444 pppd-radattr.8 $(MANDIR)
 
 radius.so: radius.o libradiusclient.a
-	$(CC) $(LDFLAGS) -o radius.so -shared radius.o libradiusclient.a
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^
 
 radattr.so: radattr.o
-	$(CC) $(LDFLAGS) -o radattr.so -shared radattr.o
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^
 
 radrealms.so: radrealms.o
-	$(CC) $(LDFLAGS) -o radrealms.so -shared radrealms.o
+	$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^
 
 CLIENTOBJS = avpair.o buildreq.o config.o dict.o ip_util.o \
 	clientid.o sendserver.o lock.o util.o md5.o
-- 
2.32.0