From 79231dd9f23f3fdf776063b70f08dda017004d2e Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Sun, 8 Oct 2017 18:47:14 +0200
Subject: [PATCH] Integrate a Debian patch (armel portability)

---
 CMakeLists.txt            |  1 +
 tools/cmake/MakeLib.cmake | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2bb276f16..20e8dfbdff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -242,6 +242,7 @@ endif()
 if(WIN32)
   set(Boost_USE_STATIC_LIBS 1)
 endif()
+
 set(HAVE_PAPI 0)
 if(enable_smpi_papi)
   include(FindPAPI)
diff --git a/tools/cmake/MakeLib.cmake b/tools/cmake/MakeLib.cmake
index 6aed72c998..2375082fb6 100644
--- a/tools/cmake/MakeLib.cmake
+++ b/tools/cmake/MakeLib.cmake
@@ -95,6 +95,26 @@ if(enable_smpi AND APPLE)
   set(SIMGRID_DEP "${SIMGRID_DEP} -Wl,-U -Wl,_smpi_simulated_main")
 endif()
 
+# See https://github.com/HewlettPackard/foedus_code/blob/master/foedus-core/cmake/FindGccAtomic.cmake
+FIND_LIBRARY(GCCLIBATOMIC_LIBRARY NAMES atomic atomic.so.1 libatomic.so.1
+  HINTS
+    $ENV{HOME}/local/lib64
+    $ENV{HOME}/local/lib
+    /usr/local/lib64
+    /usr/local/lib
+    /opt/local/lib64
+    /opt/local/lib
+    /usr/lib64
+    /usr/lib
+    /lib64
+    /lib
+)
+
+# Fix a FTBFS on armel, mips, mipsel and friends (Debian's #872881)
+if(CMAKE_COMPILER_IS_GNUCC AND GCCLIBATOMIC_LIBRARY)
+    set(SIMGRID_DEP   "${SIMGRID_DEP}   -Wl,--as-needed -latomic -Wl,--no-as-needed")
+endif()
+
 target_link_libraries(simgrid 	${SIMGRID_DEP})
 
 # Dependencies from maintainer mode
-- 
2.20.1