diff options
Diffstat (limited to 'llvm/cmake')
| -rw-r--r-- | llvm/cmake/modules/LLVMProcessSources.cmake | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/cmake/modules/LLVMProcessSources.cmake b/llvm/cmake/modules/LLVMProcessSources.cmake index 5f59eac4511..98b61296db4 100644 --- a/llvm/cmake/modules/LLVMProcessSources.cmake +++ b/llvm/cmake/modules/LLVMProcessSources.cmake @@ -1,5 +1,15 @@ include(AddFileDependencies) +macro(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}}" ) + else() + set( ${var} "${${var}} ${new}" ) + endif() +endmacro(llvm_replace_compiler_option) macro(add_td_sources srcs) file(GLOB tds *.td) |
