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CMake: Cleanup and document MSVC warning flags.

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llvm-svn: 122115
This commit is contained in:
Michael J. Spencer 2010-12-18 00:18:58 +00:00
parent 702d715185
commit ef841c81d8
1 changed files with 26 additions and 11 deletions
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37
CMakeLists.txt
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@ -242,18 +242,33 @@ endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
if( MSVC )
include(ChooseMSVCCRT)
add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 -wd4267 -wd4291 )
add_llvm_definitions( -wd4275 )
# Promote "enumerator in switch of enum is not handled" to level 1 warning.
add_llvm_definitions( -w14062 )
# Add definitions that make MSVC much less annoying.
add_llvm_definitions(
# For some reason MS wants to deprecate a bunch of standard functions...
-D_CRT_SECURE_NO_DEPRECATE
-D_CRT_SECURE_NO_WARNINGS
-D_CRT_NONSTDC_NO_DEPRECATE
-D_CRT_NONSTDC_NO_WARNINGS
-D_SCL_SECURE_NO_DEPRECATE
-D_SCL_SECURE_NO_WARNINGS
# Suppress 'new behavior: elements of array 'array' will be default initialized'
add_llvm_definitions( -wd4351 )
-wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
-wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
-wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
-wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
-wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
-wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
-wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
-wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
-wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
-wd4355 # Suppress ''this' : used in base member initializer list'
-wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
-wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
-wd4715 # Suppress ''function' : not all control paths return a value'
-wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
-w14062 # Promote "enumerator in switch of enum is not handled" to level 1 warning.
)
# Enable warnings
if (LLVM_ENABLE_WARNINGS)