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Made llvm_replace_compiler_option more robust. Use it on

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llvm_process_sources.

llvm-svn: 123232
This commit is contained in:
Oscar Fuentes 2011-01-11 12:31:34 +00:00
parent 492a821e21
commit 123864334b
1 changed files with 15 additions and 8 deletions
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23
cmake/modules/LLVMProcessSources.cmake
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@ -1,15 +1,22 @@
include(AddFileDependencies)
macro(llvm_replace_compiler_option var old new)
function(llvm_replace_compiler_option var old new)
# Replaces a compiler option or switch `old' in `var' by `new'.
# If `old' is not in `var', appends `new' to `var'.
# Example: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
if( "${${var}}" MATCHES "(^| )${old}($| )" )
string( REGEX REPLACE "(^| )${old}($| )" " ${new} " ${var} "${${var}}" )
# If the option already is on the variable, don't add it:
if( "${${var}}" MATCHES "(^| )${new}($| )" )
set(n "")
else()
set( ${var} "${${var}} ${new}" )
set(n "${new}")
endif()
endmacro(llvm_replace_compiler_option)
if( "${${var}}" MATCHES "(^| )${old}($| )" )
string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
else()
set( ${var} "${${var}} ${n}" )
endif()
set( ${var} "${${var}}" PARENT_SCOPE )
endfunction(llvm_replace_compiler_option)
macro(add_td_sources srcs)
file(GLOB tds *.td)
@ -52,15 +59,15 @@ function(llvm_process_sources OUT_VAR)
if( CMAKE_COMPILER_IS_GNUCXX )
add_definitions( -fno-exceptions )
elseif( MSVC )
string( REGEX REPLACE "[ ^]/EHsc ?" " /EHs-c- " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/EHsc" "/EHs-c-")
add_definitions( /D_HAS_EXCEPTIONS=0 )
endif()
endif()
if( NOT LLVM_REQUIRES_RTTI )
if( CMAKE_COMPILER_IS_GNUCXX )
add_definitions( -fno-rtti )
llvm_replace_compiler_option(CMAKE_CXX_FLAGS "-frtti" "-fno-rtti")
elseif( MSVC )
string( REGEX REPLACE "[ ^]/GR ?" " /GR- " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/GR" "/GR-")
endif()
endif()