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Makefile: add ASAN=1 flag to build with AddressSanitizer enabled

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This sanitizer is useful to detect use-after-free, double free, buffer
overflows, and more such errors.

I've found it useful lately to detect some bugs in TinyGo, and having a
single flag to enable it makes it much easier to enable
AddressSanitizer.
This commit is contained in:
Ayke van Laethem
2022-10-12 19:14:41 +02:00
committed by Ron Evans
parent 8f33721b88
commit 5548b5999b
1 changed files with 6 additions and 0 deletions
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Makefile
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@@ -56,6 +56,12 @@ else
LLVM_OPTION += '-DLLVM_ENABLE_ASSERTIONS=OFF' LLVM_OPTION += '-DLLVM_ENABLE_ASSERTIONS=OFF'
endif endif
# Enable AddressSanitizer
ifeq (1, $(ASAN))
LLVM_OPTION += -DLLVM_USE_SANITIZER=Address
CGO_LDFLAGS += -fsanitize=address
endif
ifeq (1, $(STATIC)) ifeq (1, $(STATIC))
# Build TinyGo as a fully statically linked binary (no dynamically loaded # Build TinyGo as a fully statically linked binary (no dynamically loaded
# libraries such as a libc). This is not supported with glibc which is used # libraries such as a libc). This is not supported with glibc which is used