CMake: Propagate compilation flags to the dictionary generation

[u/mrichter/AliRoot.git] / cmake / CMakelinuxx8664gcc.cmake

diff --git a/cmake/CMakelinuxx8664gcc.cmake b/cmake/CMakelinuxx8664gcc.cmake
index c1f0e2848cbc701592db8bee708d506b19aebff7..57708a77c3ec3aef3b476e834b5eaf7ddb96fbb5 100644 (file)
--- a/cmake/CMakelinuxx8664gcc.cmake
+++ b/cmake/CMakelinuxx8664gcc.cmake
@@ -8,7 +8,7 @@
 #--------------------------------------------------------------------------------#
 
 
-cmake_minimum_required(VERSION 2.8.4 FATAL_ERROR)
+cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)
 
 #Retrieve Compiler Version
 
@@ -29,7 +29,7 @@ set(OPT)
 # ------- Setting optimization flags for default configuration -------
 
 if((NOT CMAKE_BUILD_TYPE) OR (CMAKE_BUILD_TYPE STREQUAL "None"))
-    set(DEFAULT_CXX_FLAGS "-O -g")
+    set(DEFAULT_CXX_FLAGS "-g")
     set(OPT "${DEFAULT_CXX_FLAGS}")
     message("-- Setting compiler flags for default configuration: ${DEFAULT_CXX_FLAGS}")
 endif((NOT CMAKE_BUILD_TYPE) OR (CMAKE_BUILD_TYPE STREQUAL "None"))
@@ -50,7 +50,7 @@ set(CLIBCXXOPTS)
 set(CLIBCOPT)
 set(CLIBFOPT ${CLIBDEFS})
 
-set(CXXWARN "-Wall -Wno-long-long -W -Weffc++ -Wshadow -Woverloaded-virtual -ansi")
+set(CXXWARN "-Wall -Wno-long-long -W -Weffc++ -Wshadow -Woverloaded-virtual")
 
 if(CCMAJORV STREQUAL "2")
 
@@ -68,6 +68,10 @@ elseif(CCMAJORV STREQUAL "4")
   set(CXXFLAGS "${OPT} -fPIC -pipe -fmessage-length=0 -Dlinux")
   add_definitions(-Dlinux)
   set(CXXFLAGSNO "${NOOPT} -fPIC -pipe -fmessage-length=0")
+  if(CCMINORV STRGREATER 5) 
+    message("-- GCC version > 4.5 - mask default -Wl,--as-needed")
+    set(XTRA_LDFLAGS "-Wl,--no-as-needed")
+  endif() 
 
 else ()
 
@@ -119,8 +123,8 @@ else()
   
 endif(${CMAKE_Fortran_COMPILER} MATCHES "g95")
 
-set(LDFLAGS "${OPT}")
-set(SOFLAGS "${OPT} -shared")
+set(LDFLAGS "${OPT} ${XTRA_LDFLAGS} ")
+set(SOFLAGS "${OPT}  ${XTRA_LDFLAGS} -shared")
 set(ALLIB)