From feed6cf0d74e30e26008916618172e2afba5a378 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Thu, 12 Jan 2017 13:25:04 +0100
Subject: [PATCH] make the propaganda useful (and thus desirable) to the users

---
 CMakeLists.txt              | 2 ++
 include/simgrid_config.h.in | 2 ++
 src/surf/surf_interface.cpp | 3 ++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e41ea66331..62b507d507 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -660,6 +660,8 @@ if(EXISTS ${CMAKE_HOME_DIRECTORY}/.git/)
   endif()
 elseif(EXISTS ${CMAKE_HOME_DIRECTORY}/.gitversion)
   FILE(STRINGS ${CMAKE_HOME_DIRECTORY}/.gitversion GIT_VERSION)
+else()
+  set(GIT_VERSION "none, release version")
 endif()
 
 ### Generate the required headers and scripts
diff --git a/include/simgrid_config.h.in b/include/simgrid_config.h.in
index b9726b9c3d..0d0cd0db1a 100644
--- a/include/simgrid_config.h.in
+++ b/include/simgrid_config.h.in
@@ -14,6 +14,8 @@
 #define SIMGRID_VERSION_MAJOR @SIMGRID_VERSION_MAJOR@
 #define SIMGRID_VERSION_MINOR @SIMGRID_VERSION_MINOR@
 #define SIMGRID_VERSION_PATCH @SIMGRID_VERSION_PATCH@
+#define SIMGRID_GIT_VERSION   "@GIT_VERSION@"
+#define SIMGRID_INSTALL_PREFIX "@CMAKE_INSTALL_PREFIX@"
 
 SG_BEGIN_DECL()
 /** Retrieves the version numbers of the used dynamic library (so, DLL or dynlib), while
diff --git a/src/surf/surf_interface.cpp b/src/surf/surf_interface.cpp
index 7c3d2d5ad0..45ccea0f66 100644
--- a/src/surf/surf_interface.cpp
+++ b/src/surf/surf_interface.cpp
@@ -284,7 +284,8 @@ void sg_version_get(int* ver_major, int* ver_minor, int* ver_patch)
 
 void sg_version()
 {
-  std::printf("This program was linked against %s\n", SIMGRID_VERSION_STRING);
+  std::printf("This program was linked against %s (git: %s), found in %s.\n",
+              SIMGRID_VERSION_STRING, SIMGRID_GIT_VERSION, SIMGRID_INSTALL_PREFIX);
 
 #if HAVE_MC
   std::printf("   Model-checking support compiled in.\n");
-- 
2.20.1