[Buildroot] [PATCH v5 2/7] package/llvm: install target binary/debug tools
Matt Weber
Matthew.Weber at collins.com
Tue Dec 4 04:08:45 UTC 2018
The compiler-rt fuzzer and address sanitizer tools require additional
LLVM binary tools installed to allow stack trace decoding actively during
executable analysis.
https://github.com/google/sanitizers/wiki/AddressSanitizerCallStack
Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
Reviewed-by: Romain Naour <romain.naour at smile.fr>
---
Changes
v1 -> v3
- None
v4
- Added new patch for llvm dependency on libxml2 which was noticed
during testing
v5
- Rebased post 2018.11 on master
---
package/llvm/llvm.mk | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/package/llvm/llvm.mk b/package/llvm/llvm.mk
index 1f9bd44..79477f0 100644
--- a/package/llvm/llvm.mk
+++ b/package/llvm/llvm.mk
@@ -197,8 +197,17 @@ HOST_LLVM_CONF_OPTS += \
# We need to activate LLVM_INCLUDE_TOOLS, otherwise it does not generate
# libLLVM.so
LLVM_CONF_OPTS += \
- -DLLVM_INCLUDE_TOOLS=ON \
+ -DLLVM_INCLUDE_TOOLS=ON
+
+# The llvm-symbolizer binary is used by the Compiler-RT Fuzzer
+# and AddressSanitizer tools for stack traces.
+ifeq ($(BR2_PACKAGE_COMPILER_RT),y)
+LLVM_CONF_OPTS += \
+ -DLLVM_BUILD_TOOLS=ON
+else
+LLVM_CONF_OPTS += \
-DLLVM_BUILD_TOOLS=OFF
+endif
# Compiler-rt not in the source tree.
# llvm runtime libraries are not in the source tree.
--
1.9.1
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