Check for a dlfunc() function to get handle if present

[simgrid.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d16dc1b..d1bf3e8 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -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)
@@ -363,7 +364,13 @@ 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")
     # This supposes that the host machine is either an AMD or a X86.