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# This overrides the default CMake Debug and Release compiler options.

# The user can still specify different options by setting the

# CMAKE_CXX_FLAGS_[RELEASE,DEBUG] variables (on the command line or in the

# CMakeList.txt). This files serves as better CMake defaults and should only be

# modified if the default values are to be changed. Project specific compiler

# flags should be set in the CMakeList.txt by setting the CMAKE_CXX_FLAGS_*

# variables.

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")

# g++

set(common "-Wall -Wextra")

set(CMAKE_CXX_FLAGS_RELEASE_INIT "${common} -O3 -march=native -funroll-loops -DNDEBUG")

set(CMAKE_CXX_FLAGS_DEBUG_INIT "${common} -g -ggdb")

elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")

# icpc

set(common "-Wall")

set(CMAKE_CXX_FLAGS_RELEASE_INIT "${common} -xHOST -O3")

set(CMAKE_CXX_FLAGS_DEBUG_INIT "${common} -g -O0")

elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)

# clang

set(common "-Wall -Wextra")

set(CMAKE_CXX_FLAGS_RELEASE_INIT "${common} -O3 -march=native -funroll-loops -DNDEBUG")

set(CMAKE_CXX_FLAGS_DEBUG_INIT "${common} -g -ggdb")

elseif (CMAKE_CXX_COMPILER_ID STREQUAL "PGI")

# pgcpp

endif ()