Set default CXXFLAGS if none are set

miek · Oct 5, 2015 · 6287ae4 · 6287ae4
1 parent 4c00052
commit 6287ae4
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -15,9 +15,13 @@ if (WIN32)
  endif(NOT(MMAN))
 ENDIF (WIN32)
 
+if (NOT CMAKE_CXX_FLAGS)
+ set(CMAKE_CXX_FLAGS "-O2")
+endif (NOT CMAKE_CXX_FLAGS)
+
 # This only works in cmake >3.1
 #set_property(TARGET inspectrum PROPERTY CXX_STANDARD 11)
-set(CMAKE_CXX_FLAGS "-O3 ${CMAKE_CXX_FLAGS} -std=gnu++11")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
 
 list(APPEND inspectrum_sources 
  main.cpp