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authorGravatar Dirk Hohndel <dirk@hohndel.org>2017-03-11 08:41:41 -0800
committerGravatar Dirk Hohndel <dirk@hohndel.org>2017-03-11 08:41:41 -0800
commit08284275e733fcea8b909b86fda503d4b24e0b84 (patch)
treeb2092172f09044d58efdae479447bae9b6c824ad /CMakeLists.txt
parentb8b858a9d299877969527ef5b3c4bde97bb86d05 (diff)
parent2b06a0b2234cf2779f80e87038011067be282bcb (diff)
downloadsubsurface-08284275e733fcea8b909b86fda503d4b24e0b84.tar.gz
Merge branch 'master' of https://github.com/dje29/subsurface
Diffstat (limited to 'CMakeLists.txt')
-rw-r--r--CMakeLists.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9998b76d2..3123fca5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,6 +86,14 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
+ # Warn about possible float conversion errors
+ # Use NOT VERSION_LESS since VERSION_GREATER_EQUAL is not available
+ # in currently used cmake version.
+ if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9.0")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wfloat-conversion")
+ endif()
+
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
# using Intel C++
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")