more informative outputs while searching for libunwind

[simgrid.git] / tools / cmake / Modules / FindLibunwind.cmake

diff --git a/tools/cmake/Modules/FindLibunwind.cmake b/tools/cmake/Modules/FindLibunwind.cmake
index 711f0ca..68ad740 100644 (file)
--- a/tools/cmake/Modules/FindLibunwind.cmake
+++ b/tools/cmake/Modules/FindLibunwind.cmake
@@ -1,4 +1,4 @@
-if(PROCESSOR_x86_64)
+if(SIMGRID_PROCESSOR_x86_64)
   find_library(PATH_LIBUNWIND_LIB
     NAMES unwind-x86_64
     HINTS
@@ -15,25 +15,20 @@ if(PROCESSOR_x86_64)
 endif()
 
 if(NOT PATH_LIBUNWIND_LIB)
-  # 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}
-      PATH_SUFFIXES lib/ GnuWin32/lib lib/system
-      PATHS
-      /opt
-      /opt/local
-      /opt/csw
-      /sw
-      /usr
-      /usr/lib/)
-  endif()
+  find_library(PATH_LIBUNWIND_LIB
+    NAMES unwind
+    HINTS
+    $ENV{SIMGRID_LIBUNWIND_LIBRARY_PATH}
+    $ENV{LD_LIBRARY_PATH}
+    $ENV{LIBUNWIND_LIBRARY_PATH}
+    PATH_SUFFIXES lib/ GnuWin32/lib lib/system
+    PATHS
+    /opt
+    /opt/local
+    /opt/csw
+    /sw
+    /usr
+    /usr/lib/)
 endif()
 
 find_path(PATH_LIBUNWIND_H "libunwind.h"
@@ -49,26 +44,23 @@ find_path(PATH_LIBUNWIND_H "libunwind.h"
   /sw
   /usr)
 
-message(STATUS "Looking for libunwind.h")
 if(PATH_LIBUNWIND_H)
-  message(STATUS "Looking for libunwind.h - found")
+  string(REGEX REPLACE "/libunwind.h"               "" PATH_LIBUNWIND_H   "${PATH_LIBUNWIND_H}")
+  message(STATUS "Looking for libunwind.h - found in ${PATH_LIBUNWIND_H}")
+  include_directories(${PATH_LIBUNWIND_H})  
 else()
   message(STATUS "Looking for libunwind.h - not found")
 endif()
 
-message(STATUS "Looking for libunwind")
 if(PATH_LIBUNWIND_LIB)
-  message(STATUS "Looking for libunwind - found")
+  string(REGEX REPLACE "/libunwind.*[.]${LIB_EXE}$" "" PATH_LIBUNWIND_LIB "${PATH_LIBUNWIND_LIB}")
+  message(STATUS "Looking for libunwind.${LIB_EXE} - found in ${PATH_LIBUNWIND_LIB}")
+  link_directories(${PATH_LIBUNWIND_LIB})
 else()
   message(STATUS "Looking for libunwind - not found")
 endif()
 
 if(PATH_LIBUNWIND_LIB AND PATH_LIBUNWIND_H)
-  string(REGEX REPLACE "/libunwind.*[.]${LIB_EXE}$" "" PATH_LIBUNWIND_LIB "${PATH_LIBUNWIND_LIB}")
-  string(REGEX REPLACE "/libunwind.h"               "" PATH_LIBUNWIND_H   "${PATH_LIBUNWIND_H}")
-      
-  include_directories(${PATH_LIBUNWIND_H})
-  link_directories(${PATH_LIBUNWIND_LIB})
   SET(HAVE_LIBUNWIND 1)
 else()
   SET(HAVE_LIBUNWIND 0)