After many checks it seems that Jam does not want those changes. :(

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5879 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/network/interfaces/ppp/Jamfile

@@ -9,10 +9,10 @@ UseHeaders [ FDirName $(OBOS_TOP) src add-ons kernel network ppp shared libkerne
 R5KernelAddon ppp : kernel network interfaces :
 	ppp.cpp
 	PPPManager.cpp
-	
-	: libkernelppp.a
 ;
 
+LinkSharedOSLibs ppp : libkernelppp.a ;
+
 # Installation
 OBOSInstall install-networking
 	: /boot/home/config/add-ons/kernel/network/interfaces

src/add-ons/kernel/network/ppp/ipcp/Jamfile

@@ -13,8 +13,6 @@ R5KernelAddon ipcp : kernel network ppp :
 	
 	ipcp.cpp
 	Protocol.cpp
-	
-	: libkernelppp.a
 ;
 
 SEARCH on [ FGristFiles inet_addr.c ] = [ FDirName $(OBOS_TOP) src kits network libnet ] ;

src/add-ons/kernel/network/ppp/modem/Jamfile

@@ -12,10 +12,10 @@ R5KernelAddon modem : kernel network ppp :
 	modem.cpp
 	ModemDevice.cpp
 	ACFCHandler.cpp
-	
-	: libkernelppp.a
 ;
 
+LinkSharedOSLibs modem : libkernelppp.a ;
+
 # Installation
 OBOSInstall install-networking
 	: /boot/home/config/add-ons/kernel/network/ppp

src/add-ons/kernel/network/ppp/pap/Jamfile

@@ -11,10 +11,10 @@ UseHeaders [ FDirName $(OBOS_TOP) src add-ons kernel network ppp shared libkerne
 R5KernelAddon pap : kernel network ppp :
 	pap.cpp
 	Protocol.cpp
-	
-	: libkernelppp.a
 ;
 
+LinkSharedOSLibs pap : libkernelppp.a ;
+
 # Installation
 OBOSInstall install-networking
 	: /boot/home/config/add-ons/kernel/network/ppp

src/add-ons/kernel/network/ppp/pppoe/Jamfile

@@ -12,10 +12,10 @@ R5KernelAddon pppoe : kernel network ppp :
 	pppoe.cpp
 	PPPoEDevice.cpp
 	DiscoveryPacket.cpp
-	
-	: libkernelppp.a
 ;
 
+LinkSharedOSLibs pppoe : libkernelppp.a ;
+
 # Installation
 OBOSInstall install-networking
 	: /boot/home/config/add-ons/kernel/network/ppp