[PATCH] D33018: [compiler-rt][cmake] Provide empty version of enable_execute_stack for baremetal targets
Catherine Moore via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 10 07:04:49 PDT 2017
clm updated this revision to Diff 98446.
clm added a comment.
I've now updated the patch based on Joerg's comments. This version checks the setting of COMPILER_RT_BAREMETAL_BUILD before building enable_execute_stack.c.
https://reviews.llvm.org/D33018
Files:
CMakeLists.txt
lib/builtins/CMakeLists.txt
Index: lib/builtins/CMakeLists.txt
===================================================================
--- lib/builtins/CMakeLists.txt
+++ lib/builtins/CMakeLists.txt
@@ -66,7 +66,6 @@
divti3.c
divtf3.c
divxc3.c
- enable_execute_stack.c
eprintf.c
extendsfdf2.c
extendhfsf2.c
@@ -191,6 +190,12 @@
"Skip the atomic builtin (this may be needed if system headers are unavailable)"
Off)
+if(NOT COMPILER_RT_BAREMETAL_BUILD)
+ set(GENERIC_SOURCES
+ ${GENERIC_SOURCES}
+ enable_execute_stack.c)
+endif()
+
if(COMPILER_RT_HAS_ATOMIC_KEYWORD AND NOT COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -31,6 +31,9 @@
option(COMPILER_RT_BUILD_XRAY "Build xray" ON)
mark_as_advanced(COMPILER_RT_BUILD_XRAY)
+set(COMPILER_RT_BAREMETAL_BUILD OFF CACHE BOOLEAN
+ "Build for a bare-metal target.")
+
if (COMPILER_RT_STANDALONE_BUILD)
load_llvm_config()
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