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[libc] Don't pass -fpie/-ffreestanding on Windows 

The current compile options function hardcodes the -fpie and
-ffreestanding flags, which don't exist on Windows. This patch sets the
compilation flags conditionally based on the OS specifics.

Reviewed By: sivachandra, aeubanks

Differential Revision: https://reviews.llvm.org/D105643
This commit is contained in:
Caitlyn Cano 2021-07-08 17:44:10 +00:00
parent f990da59c5
commit a16071e409
1 changed files with 5 additions and 1 deletions
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6
libc/cmake/modules/LLVMLibCObjectRules.cmake
View File

@ -1,7 +1,11 @@
set(OBJECT_LIBRARY_TARGET_TYPE "OBJECT_LIBRARY")
function(_get_common_compile_options output_var)
set(${output_var} -fpie ${LLVM_CXX_STD_default} -ffreestanding ${LIBC_COMPILE_OPTIONS_DEFAULT} ${ARGN} PARENT_SCOPE)
set(compile_options ${LLVM_CXX_STD_default} ${LIBC_COMPILE_OPTIONS_DEFAULT} ${ARGN})
if(NOT ${LIBC_TARGET_OS} STREQUAL "windows")
set(compile_options ${compile_options} -fpie -ffreestanding)
endif()
set(${output_var} ${compile_options} PARENT_SCOPE)
endfunction()
# Rule which is essentially a wrapper over add_library to compile a set of