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# 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
## ADDING A NS3 VERSION.
# - Add "ns3.${version}-core ns3.${version}-core-debug ns3.${version}-core-optimized" to the NAME line of the find_library below
# - Add "include/ns3{version}" to the PATH_SUFFIXES line of the find_path below
set(SIMGRID_HAVE_NS3 0)
set(NS3_HINT ${ns3_path} CACHE PATH "Path to search for NS3 lib and include")
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 ns3.25-core ns3.26-core ns3.26-core-optimized ns3.26-core-debug ns3.27-core ns3.27-core-optimized ns3.27-core-debug ns3.28-core ns3.28-core-optimized ns3.28-core-debug
PATH_SUFFIXES lib64 lib ns3/lib
PATHS
${NS3_HINT}
)
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 include/ns3.25 include/ns3.26 include/ns3.27 include/ns3.28
PATHS
${NS3_HINT}
)
if(NS3_INCLUDE_DIR)
message(STATUS "Looking for ns3/core-module.h - found")
else()
message(STATUS "Looking for ns3/core-module.h - not found")
endif()
mark_as_advanced(NS3_INCLUDE_DIR)
message(STATUS "Looking for lib ns3-core")
if(NS3_LIBRARIES)
message(STATUS "Looking for lib ns3-core - found")
else()
message(STATUS "Looking for lib ns3-core - not found")
endif()
mark_as_advanced(NS3_LIBRARIES)
if(NS3_INCLUDE_DIR)
if(NS3_LIBRARIES)
set(SIMGRID_HAVE_NS3 1)
if(NS3_LIBRARIES MATCHES "-optimized")
set (NS3_SUFFIX "-optimized")
elseif(NS3_LIBRARIES MATCHES "-debug")
set (NS3_SUFFIX "-debug")
else()
set (NS3_SUFFIX "")
endif()
string(REGEX REPLACE ".*ns([.0-9]+)-core.*" "\\1" NS3_VERSION "${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 (v${NS3_VERSION}; incl:${NS3_INCLUDE_DIR}; lib: ${NS3_LIBRARY_PATH}).")
if (NOT NS3_LIBRARY_PATH STREQUAL "/usr/lib")
string(REGEX MATCH "${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(SIMGRID_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()
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