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Add compiler options for GCC and Clang when CMAKE_BUILD_TYPE is Debug

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When CMAKE_BUILD_TYPE is Debug and we are compiling with GCC, add the
following options to CMAKE_C_FLAGS and CMAKE_CXX_FLAGS:

  -O0 -fno-omit-frame-pointer -fno-inline

Ditto for Clang, except that -fno-inline-functions is used instead of
-fno-inline.

cf. thread starting at
https://sourceforge.net/p/flightgear/mailman/message/36295412/
This commit is contained in:
Florent Rougon 2018-04-18 08:27:10 +02:00
parent 7ae8137b77
commit 207703a931
1 changed files with 14 additions and 2 deletions
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16
CMakeLists.txt
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@ -464,7 +464,12 @@ if(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
if(ENABLE_SIMD)
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline")
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline")
elseif (ENABLE_SIMD)
if (X86 OR X86_64)
set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse")
@ -482,7 +487,14 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "Ap
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
if(ENABLE_SIMD)
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions")
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions")
endif()
if (ENABLE_SIMD)
if (X86 OR X86_64)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse3 -mfpmath=sse")
endif()