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cmake: enable assertions by default 

Users can disable this by setting -DCMAKE_C_FLAGS=-DNDEBUG or
-DCMAKE_CXX_FLAGS=-DNDEBUG to disable assertions as desired.
This commit is contained in:
Peter Wu 2016-03-16 14:10:42 +01:00
parent b348a02b85
commit 0c49e5d56e
1 changed files with 8 additions and 1 deletions
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9
CMakeLists.txt
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@ -41,7 +41,6 @@ set(PACKAGE_VERSION "${PROJECT_VERSION}")
HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH}) HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
# Note that RelWithDebInfo disables assertions, use Debug or None to keep them.
set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE) set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE)
# Include "None" as option to disable any additional (optimization) flags, # Include "None" as option to disable any additional (optimization) flags,
@ -102,6 +101,14 @@ if(ENABLE_LIB_ONLY)
set(ENABLE_PYTHON_BINDINGS OFF) set(ENABLE_PYTHON_BINDINGS OFF)
endif() endif()
# Do not disable assertions based on CMAKE_BUILD_TYPE.
foreach(_build_type "Release" "MinSizeRel" "RelWithDebInfo")
foreach(_lang C CXX)
string(TOUPPER "CMAKE_${_lang}_FLAGS_${_build_type}" _var)
string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" "" ${_var} "${${_var}}")
endforeach()
endforeach()
# #
# If we're running GCC or clang define _U_ to be "__attribute__((unused))" # If we're running GCC or clang define _U_ to be "__attribute__((unused))"
# so we can use _U_ to flag unused function parameters and not get warnings # so we can use _U_ to flag unused function parameters and not get warnings