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build: use LLVM build routines 

Check if the compiler actually supports the flags that are being added.
Previously, the compiler flags would be used improperly push the flags to the
compiler.  Particularly, on Darwin, the option would be pushed to the compiler
even if it does not support it.

llvm-svn: 203532
This commit is contained in:
Saleem Abdulrasool 2014-03-11 03:08:53 +00:00
parent 12390847fb
commit efbf8367e6
1 changed files with 10 additions and 12 deletions
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22
lldb/CMakeLists.txt
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@ -126,19 +126,17 @@ elseif (MSVC_VERSION LESS 1700)
"required to build lldb.")
endif()
# Disable Clang warnings
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
add_lldb_definitions(
-Wno-deprecated-declarations # Suppress "deprecated auto_ptr" warnings
)
endif()
# Disable GCC warnings
check_cxx_compiler_flag("-Wno-deprecated-declarations"
CXX_SUPPORTS_NO_DEPRECATED_DECLARATIONS)
append_if(CXX_SUPPORTS_NO_DEPRECATED_DECLARATIONS
"-Wno-deprecated-declarations" CMAKE_CXX_FLAGS)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "3.3")
add_lldb_definitions(
-Wno-deprecated-register # Suppress "deprecated register keyword" warnings
)
endif()
# Disable Clang warnings
check_cxx_compiler_flag("-Wno-deprecated-register"
CXX_SUPPORTS_NO_DEPRECATED_REGISTER)
append_if(CXX_SUPPORTS_NO_DEPRECATED_REGISTER
"-Wno-deprecated-register" CMAKE_CXX_FLAGS)
# Disable MSVC warnings
if( MSVC )