endif()
if(NOT PATH_LIBUNWIND_LIB)
- find_library(PATH_LIBUNWIND_LIB
- NAMES unwind
- HINTS
+ # Mac OSX has a libunwind that is not the one we need
+ CHECK_LIBRARY_EXISTS(unwind unw_init_local "Whether libunwind is usable" RIGHT_LIBUNWIND)
+
+ if (RIGHT_LIBUNWIND)
+ find_library(PATH_LIBUNWIND_LIB
+ NAMES unwind
+ HINTS
$ENV{SIMGRID_LIBUNWIND_LIBRARY_PATH}
$ENV{LD_LIBRARY_PATH}
$ENV{LIBUNWIND_LIBRARY_PATH}
/sw
/usr
/usr/lib/)
-
- # Mac OSX has a libunwind that is not the one we need, so double check
- if (PATH_LIBUNWIND_LIB)
- CHECK_LIBRARY_EXISTS(unwind unw_init_local PATH_LIBUNWIND_LIB RIGHT_LIBUNWIND)
- if (NOT RIGHT_LIBUNWIND)
- unset(PATH_LIBUNWIND_LIB)
- endif()
endif()
endif()