X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7dfc27c1d33a1b795f053b51dbc21b459ec0cfda..994c5c610c83e97cd12e5044d5df3befb9dfacdd:/buildtools/Cmake/Modules/FindNS3.cmake

diff --git a/buildtools/Cmake/Modules/FindNS3.cmake b/buildtools/Cmake/Modules/FindNS3.cmake
index 8906d1f0ae..70d45b484d 100644
--- a/buildtools/Cmake/Modules/FindNS3.cmake
+++ b/buildtools/Cmake/Modules/FindNS3.cmake
@@ -1,66 +1,83 @@
-find_library(HAVE_NS3_LIB
-    NAME ns3
-    HINTS
-    $ENV{LD_LIBRARY_PATH}
-    $ENV{HOME}
-    PATH_SUFFIXES lib64 lib lib64/ns3 lib/ns3
-    PATHS
-    /opt
-    /opt/local
-    /opt/csw
-    /sw
-    /usr
-    ${ns3_path}
-)
+# Try to find the NS3 library.
+#
+# The user can hint a path using the NS3_HINT option.
+#
+# Once done, the following will be defined:
+#
+#  NS3_INCLUDE_DIRS - the NS3 include directories
+#  NS3_LIBRARY_PATH - path to the libs
+#  NS3_LIBRARIES - link these to use NS3 (full path to libs)
+#
+# This could be improved in many ways (patches welcome):
+#  - No way to specify a minimal version (v3.10 is hardcoded).
+#  - No proper find_package() integration
 
-find_path(HAVE_CORE_MODULE_H
-	NAME ns3/core-module.h
-    HINTS
-    $ENV{HOME}
-    PATH_SUFFIXES include include/ns3
-    PATHS
-    /opt
-    /opt/local
-    /opt/csw
-    /sw
-    /usr
-    ${ns3_path}
-)
 
-message(STATUS "Looking for core-module.h")
-if(HAVE_CORE_MODULE_H)
-message(STATUS "Looking for core-module.h - found")
-else(HAVE_CORE_MODULE_H)
-message(STATUS "Looking for core-module.h - not found")
-endif(HAVE_CORE_MODULE_H)
-mark_as_advanced(HAVE_CORE_MODULE_H)
+## ADDING A NS3 VERSION.
+#   - Add ns3.${version}-core to the NAME line of the find_library below
+#   - Add include/ns3{version} to the PATH_SUFFIXES line of the find_path below
 
-message(STATUS "Looking for lib ns3")
-if(HAVE_NS3_LIB)
-message(STATUS "Looking for lib ns3 - found")
-else(HAVE_NS3_LIB)
-message(STATUS "Looking for lib ns3 - not found")
-endif(HAVE_NS3_LIB)
-mark_as_advanced(HAVE_NS3_LIB)
+set(HAVE_NS3 0)
+set(NS3_HINT ${ns3_path} CACHE PATH "Path to search for NS3 lib and include")
 
-if(HAVE_NS3_LIB AND HAVE_CORE_MODULE_H)
-	set(HAVE_NS3 1)
-	string(REPLACE "/libns3.${LIB_EXE}" ""  HAVE_NS3_LIB "${HAVE_NS3_LIB}")
-	string(REGEX MATCH "${HAVE_NS3_LIB}" operation "$ENV{LD_LIBRARY_PATH}")
-	
-	if(NOT operation)
-	
-		message(STATUS "Warning: To use NS-3 don't forget to set LD_LIBRARY_PATH with:	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${HAVE_NS3_LIB}")
-		set(HAVE_NS3 0)
-		
-	else(NOT operation)
-	
-		string(REGEX MATCH "-L${HAVE_NS3_LIB} " operation1 "${CMAKE_C_FLAGS}")
-		if(NOT operation1)
-			SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-L${HAVE_NS3_LIB} ")
-		endif(NOT operation1)
-	
-		SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-I${HAVE_CORE_MODULE_H} -L${HAVE_NS3_LIB} ")
-	endif(NOT operation)		
+find_library(NS3_LIBRARIES
+  NAME ns3-core ns3.14-core ns3.15-core ns3.16-core ns3.17-core ns3.18-core ns3.19-core ns3.20-core ns3.21-core ns3.22-core
+  PATH_SUFFIXES lib64 lib ns3/lib
+  PATHS
+  ${NS3_HINT}
+  )
 
-endif(HAVE_NS3_LIB AND HAVE_CORE_MODULE_H)
\ No newline at end of file
+find_path(NS3_INCLUDE_DIR
+  NAME ns3/core-module.h
+  PATH_SUFFIXES include ns3/include include/ns3.14 include/ns3.15 include/ns3.16 include/ns3.17 include/ns3.18 include/ns3.19 include/ns3.20 include/ns3.21 include/ns3.22
+  PATHS
+  ${NS3_HINT}
+  )
+
+
+
+if(NS3_INCLUDE_DIR)
+  message(STATUS "Looking for ns3/core-module.h - found")
+else()
+  message(STATUS "Looking for ns3/core-module.h - not found")
+endif()
+mark_as_advanced(NS3_INCLUDE_DIR)
+
+message(STATUS "Looking for lib ns3-core")
+if(NS3_LIBRARIES)
+  message(STATUS "Looking for lib ns3-core - found")
+else()
+  message(STATUS "Looking for lib ns3-core - not found")
+endif()
+mark_as_advanced(NS3_LIBRARIES)
+
+
+if(NS3_INCLUDE_DIR)
+  if(NS3_LIBRARIES)
+    set(HAVE_NS3 1)
+    
+    string(REGEX REPLACE ".*ns([.0-9]+)-core.*" "\\1" NS3_VERSION "${NS3_LIBRARIES}")
+    get_filename_component(NS3_LIBRARY_PATH "${NS3_LIBRARIES}" PATH)
+
+    # Compute NS3_PATH
+    string(REGEX REPLACE "(.*)/lib" "\\1" NS3_PATH "${NS3_LIBRARY_PATH}")
+    
+    message(STATUS "NS-3 found (v3.${NS3_VERSION} in ${NS3_PATH}).")
+
+    if (NOT NS3_LIBRARY_PATH STREQUAL "/usr/lib") 
+      string(REGEX MATCH "${NS3_LIBRARY_PATH}" MatchResult "$ENV{LD_LIBRARY_PATH}")
+      if(NOT MatchResult)
+        message(STATUS "Warning: NS3 not installed in system path, and not listed in LD_LIBRARY_PATH." 
+                       "         You want to: export LD_LIBRARY_PATH=${NS3_LIBRARY_PATH}\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH}")
+      endif()
+    endif()
+  endif()
+endif()
+mark_as_advanced(NS3_LIBRARY_PATH)
+
+if(HAVE_NS3)
+  link_directories(${NS3_LIBRARY_PATH})
+  include_directories(${NS3_INCLUDE_DIR})
+else()
+  message(STATUS "Warning: To use NS-3 Please install ns3 at least version 3.10 (http://www.nsnam.org/releases/)")
+endif()