Warn about float -> double promotion.

14 years ago · 4594781d74
1 changed files with 4 additions and 0 deletions
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@ -1,5 +1,9 @@
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wold-style-cast -pedantic -std=c++0x -fvisibility=hidden -fno-rtti -fno-exceptions")

+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wdouble-promotion")
+endif()
+
 # If targeting GLES, save it into configuration header
 if(TARGET_GLES)
    set(MAGNUM_TARGET_GLES 1)