provide a simpler API of Engine::getHostList (returning the structure) and use it

[simgrid.git] / src / smpi / internals / smpi_global.cpp

diff --git a/src/smpi/internals/smpi_global.cpp b/src/smpi/internals/smpi_global.cpp
index 19ee935..84f00e4 100644 (file)
--- a/src/smpi/internals/smpi_global.cpp
+++ b/src/smpi/internals/smpi_global.cpp
@@ -493,7 +493,8 @@ int smpi_main(const char* executable, int argc, char *argv[])
           + "_" + std::to_string(rank++) + ".so";
 
         int fdin = open(executable_copy.c_str(), O_RDONLY);
-        xbt_assert(fdin >= 0, "Cannot read from %s", executable_copy.c_str());
+        xbt_assert(fdin >= 0, "Cannot read from %s. Please make sure that the file exists and is executable.",
+                   executable_copy.c_str());
         int fdout = open(target_executable.c_str(), O_CREAT | O_RDWR, S_IRWXU);
         xbt_assert(fdout >= 0, "Cannot write into %s", target_executable.c_str());
 
@@ -545,7 +546,7 @@ int smpi_main(const char* executable, int argc, char *argv[])
   else {
 
     // Load the dynamic library and resolve the entry point:
-    void* handle = dlopen(executable, RTLD_LAZY | RTLD_LOCAL | RTLD_DEEPBIND);
+    void* handle = dlopen(executable, RTLD_LAZY | RTLD_LOCAL);
     if (handle == nullptr)
       xbt_die("dlopen failed for %s: %s (errno: %d -- %s)", executable, dlerror(), errno, strerror(errno));
     smpi_entry_point_type entry_point = smpi_resolve_function(handle);