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authorOscar Fuentes <ofv@wanadoo.es>2011-01-11 12:31:34 +0000
committerOscar Fuentes <ofv@wanadoo.es>2011-01-11 12:31:34 +0000
commit927d8aee53d082e746aaeef140dee5e043d08039 (patch)
treeca0c59c5d665bbde2d353b2b487aaa8f8c1fd1b3 /cmake
parentb9505f6bed33c56e2e57f1f8782827cf9bf8613f (diff)
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Made llvm_replace_compiler_option more robust. Use it on
llvm_process_sources. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123232 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
-rw-r--r--cmake/modules/LLVMProcessSources.cmake21
1 files changed, 14 insertions, 7 deletions
diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
index 98b61296db..270292ad3b 100644
--- a/cmake/modules/LLVMProcessSources.cmake
+++ b/cmake/modules/LLVMProcessSources.cmake
@@ -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 the option already is on the variable, don't add it:
+ if( "${${var}}" MATCHES "(^| )${new}($| )" )
+ set(n "")
+ else()
+ set(n "${new}")
+ endif()
if( "${${var}}" MATCHES "(^| )${old}($| )" )
- string( REGEX REPLACE "(^| )${old}($| )" " ${new} " ${var} "${${var}}" )
+ string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
else()
- set( ${var} "${${var}} ${new}" )
+ set( ${var} "${${var}} ${n}" )
endif()
-endmacro(llvm_replace_compiler_option)
+ 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()