try to fix #161 on Mac OSX too

diff --git a/src/smpi/smpicc.in b/src/smpi/smpicc.in
index 579d646..6fb550c 100755 (executable)
--- a/src/smpi/smpicc.in
+++ b/src/smpi/smpicc.in
@@ -18,15 +18,18 @@ CMAKE_LINKARGS="-L@libdir@"
 
 list_set CFLAGS
 list_set LINKARGS
-if [ "@WIN32@" != "1" ]; then
-    # list_add CFLAGS "-Dmain=smpi_simulated_main_"
-    list_add CFLAGS "-fpic"
-    list_add LINKARGS "-shared" "-lsimgrid" "-Wl,-z,defs"
-else
+if [ "@WIN32@" == "1" ]; then
     list_add CFLAGS "-include" "@includedir@/smpi/smpi_main.h"
     list_add LINKARGS "@libdir@\libsimgrid.dll"
+elif [ "@APPLE@" == 1 ]; then
+    list_add CFLAGS "-fpic"
+    list_add LINKARGS "-shared" "-lsimgrid" "-Wl,-undefined,error"
+else
+    list_add CFLAGS "-fpic"
+    list_add LINKARGS "-shared" "-lsimgrid" "-Wl,-z,defs"
 fi
 
+
 list_set CMDARGS
 while [ $# -gt 0 ]; do
     ARG="$1"