From: Jo-Philipp Wich <jow@openwrt.org>
Date: Fri, 24 May 2013 11:48:52 +0000 (+0200)
Subject: Pass -Wl,--whole-archive and -Wl,--no-whole-archive during linking to avoid duplicate... 
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=commitdiff_plain;h=4ecfb8f6fe4920fd1c6904b1ca8730e746111b00;hp=a93d95470803e9026c725fc7081ac8a06191ea6a

Pass -Wl,--whole-archive and -Wl,--no-whole-archive during linking to avoid duplicate symbol issues with libgcc
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5d2dc3..1998190 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,8 +10,17 @@ IF(APPLE)
   LINK_DIRECTORIES(/opt/local/lib)
 ENDIF()
 
+ADD_LIBRARY(ext STATIC IMPORTED)
+SET_PROPERTY(TARGET ext PROPERTY IMPORTED_LOCATION ${CMAKE_SOURCE_DIR}/libext.a)
+
+ADD_LIBRARY(ext4 STATIC IMPORTED)
+SET_PROPERTY(TARGET ext4 PROPERTY IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/libext4.a")
+
+ADD_LIBRARY(ext6 STATIC IMPORTED)
+SET_PROPERTY(TARGET ext6 PROPERTY IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/libext6.a")
+
 ADD_EXECUTABLE(firewall3 main.c options.c defaults.c zones.c forwards.c rules.c redirects.c utils.c ubus.c ipsets.c includes.c iptables.c)
-TARGET_LINK_LIBRARIES(firewall3 uci ubox ubus ip4tc ip6tc xtables m ${CMAKE_SOURCE_DIR}/libext.a ${CMAKE_SOURCE_DIR}/libext4.a ${CMAKE_SOURCE_DIR}/libext6.a)
+TARGET_LINK_LIBRARIES(firewall3 uci ubox ubus ip4tc ip6tc xtables m -Wl,--whole-archive ext ext4 ext6 -Wl,--no-whole-archive)
 
 SET(CMAKE_INSTALL_PREFIX /usr)