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make: add address sanitizer support

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Install libasan first, e.g. on Fedora 32:
  dnf install -y libasan libasan-static.

To compile with address sanitizer, pass ASAN=1 to make.
AdressSanitizer helps to catch various memory bugs for which C/C++ is
infamous.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Alexander Egorenkov
2021-01-27 08:04:32 +01:00
committed by Jan Höppner
parent 13016ebc5a
commit 42889edc0c
3 changed files with 11 additions and 1 deletions
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common.mak
+6
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@@ -106,6 +106,11 @@ endif
DEFAULT_CPPFLAGS = -D_GNU_SOURCE
DEFAULT_LDFLAGS = -rdynamic
ifeq ("${ASAN}","1")
DEFAULT_CFLAGS += -fsanitize=address -fno-omit-frame-pointer
DEFAULT_LDFLAGS += -fsanitize=address
endif
#
# Check for build dependency
#
@@ -272,6 +277,7 @@ help:
@echo ' G=1 Build with gcov to collect code coverage data'
@echo ' V=1 Generate verbose build output'
@echo ' W=1 Build with higher warning level'
@echo ' ASAN=1 Build with address sanitizer'
@echo ''
@echo 'EXAMPLES'
@echo ' # make clean all D=1 W=1 -j'