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Check for a dlfunc() function to get handle if present
[simgrid.git] / CMakeLists.txt
index a14e390..d1bf3e8 100644 (file)
@@ -121,7 +121,7 @@ string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
 
 ### Set the library providing dlopen
 if("${CMAKE_SYSTEM}" MATCHES "Linux")
-  find_library(dl DL_LIBRARY)
+  find_library(DL_LIBRARY dl)
 endif("${CMAKE_SYSTEM}" MATCHES "Linux")
 
 ### Find programs and paths
@@ -305,6 +305,7 @@ CHECK_INCLUDE_FILE("ucontext.h" HAVE_UCONTEXT_H)
 CHECK_INCLUDE_FILE("linux/futex.h" HAVE_FUTEX_H)
 
 CHECK_FUNCTION_EXISTS(backtrace HAVE_BACKTRACE)
+CHECK_FUNCTION_EXISTS(dlfunc HAVE_DLFUNC)
 CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
 CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
 CHECK_FUNCTION_EXISTS(getdtablesize HAVE_GETDTABLESIZE)
@@ -363,16 +364,22 @@ endif()
 
 include(FindLibunwind)
 if(HAVE_LIBUNWIND)
-  SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind")
+  if(NOT APPLE)
+    SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind")
+  else()
+    # Apple forbids to link directly against its libunwind implementation
+    # So let's comply and link against the System framework
+    SET(SIMGRID_DEP "${SIMGRID_DEP} -lSystem")
+  endif()
   if("${CMAKE_SYSTEM}" MATCHES "Linux")
     set(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-ptrace")
-  endif()
-  # This supposes that the host machine is either an AMD or a X86.
-  # This is deeply wrong, and should be fixed by manually loading -lunwind-PLAT (FIXME)
-  if(PROCESSOR_x86_64)
-    SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86_64")
-  else()
-    SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86")
+    # This supposes that the host machine is either an AMD or a X86.
+    # This is deeply wrong, and should be fixed by manually loading -lunwind-PLAT (FIXME)
+    if(PROCESSOR_x86_64)
+      SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86_64")
+    else()
+      SET(SIMGRID_DEP "${SIMGRID_DEP} -lunwind-x86")
+    endif()
   endif()
 else()
   if(enable_model-checking)