From 9f1595131f15e47d12c6a633e45d8ef837bddd75 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 30 May 2018 07:20:17 +0200
Subject: cmake: binutils fixes

---
 CMakeLists.txt                 | 6 ++++++
 cmake/opentrack-platform.cmake | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3277fd4d..dc96a504 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,12 @@
 # OTHER DEALINGS IN THE SOFTWARE.
 
 set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+
+set(CMAKE_C_LINKER_PREFERENCE CXX)
+set(CMAKE_CXX_LINKER_PREFERENCE CXX)
+set(CMAKE_C_LINKER_PREFERENCE_PROPAGATES ON)
+set(CMAKE_CXX_LINKER_PREFERENCE_PROPAGATES ON)
+
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 include(opentrack-mrproper)
 
diff --git a/cmake/opentrack-platform.cmake b/cmake/opentrack-platform.cmake
index 1141eac8..332fd51f 100644
--- a/cmake/opentrack-platform.cmake
+++ b/cmake/opentrack-platform.cmake
@@ -155,6 +155,13 @@ if(MINGW)
     add_definitions(-DMINGW_HAS_SECURE_API)
 endif()
 
+# assume binutils
+if(LINUX)
+    foreach (i SHARED MODULE EXE)
+        set(CMAKE_${i}_LINKER_FLAGS "${CMAKE_${i}_LINKER_FLAGS} -Wl,-z,relro,-z,now,--exclude-libs,ALL")
+    endforeach()
+endif()
+
 if(UNIX AND NOT APPLE)
     include(opentrack-pkg-config)
 endif()
-- 
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