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From: Chris Boot <bootc@debian.org>
Date: Fri, 2 Jun 2017 11:31:35 +0200
Subject: [PATCH] Add a SONAME to the pppd binary

 This hack inserts a SONAME into the pppd binary, which allows us to
 run dpkg-gensymbols/dh_makeshlibs over the resulting binary. This is
 useful so that we can use Debian's standard build infrastructure to
 help track the ppp binary's ABI, which is used by plugins.

Forwarded: not-needed
Last-Update: 2015-12-05
---
 pppd/Makefile.linux | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pppd/Makefile.linux b/pppd/Makefile.linux
index a90cbdcf8bb1..f1b2c90bb510 100644
--- a/pppd/Makefile.linux
+++ b/pppd/Makefile.linux
@@ -206,6 +206,8 @@ endif
 
 INSTALL= install
 
+VERSION = $(shell awk -F '"' '/VERSION/ { print $$2; }' patchlevel.h)
+
 all: $(TARGETS)
 
 install: pppd
@@ -217,7 +219,8 @@ install: pppd
 	$(INSTALL) -c -m 444 pppd.8 $(MANDIR)
 
 pppd: $(PPPDOBJS)
-	$(CC) $(LDFLAGS) -o pppd $(PPPDOBJS) $(LIBS)
+	$(CC) $(LDFLAGS) -o pppd $(PPPDOBJS) $(LIBS) \
+		-Wl,-soname,pppd.so.$(VERSION)
 
 srp-entry:	srp-entry.c
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ srp-entry.c $(LIBS)