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configure: add --enable-ubsan configure flag
[babeltrace.git]
/
configure.ac
diff --git
a/configure.ac
b/configure.ac
index b343a3c4c07c10a51d098efec1ac6cdc53f4cdc0..59c0bac16741a4776a446cf7fcf8d156199547ab 100644
(file)
--- a/
configure.ac
+++ b/
configure.ac
@@
-448,6
+448,7
@@
AE_FEATURE([Werror],[Treat compiler warnings as errors.])
# When given, build with AddressSanitizer.
AE_FEATURE_DEFAULT_DISABLE
AE_FEATURE([asan],[Build with AddressSanitizer.])
# When given, build with AddressSanitizer.
AE_FEATURE_DEFAULT_DISABLE
AE_FEATURE([asan],[Build with AddressSanitizer.])
+AE_FEATURE([ubsan],[Build with UndefinedBehaviorSanitizer.])
## ##
## Check for conflicting features selection ##
## ##
## Check for conflicting features selection ##
@@
-655,13
+656,19
@@
AE_IF_FEATURE_ENABLED([asan], [
ASAN_LDFLAGS="-fsanitize=address"
])
ASAN_LDFLAGS="-fsanitize=address"
])
-
+# If --enable-ubsan is used...
+AE_IF_FEATURE_ENABLED([ubsan], [
+ # ... add -fsanitize=undefined to the *FLAGS variables.
+ UBSAN_CFLAGS="-fsanitize=undefined"
+ UBSAN_CXXFLAGS="-fsanitize=undefined"
+ UBSAN_LDFLAGS="-fsanitize=undefined"
+])
# CFLAGS from libraries (the glib ones are needed for the following sizeof
# test).
# CFLAGS from libraries (the glib ones are needed for the following sizeof
# test).
-AM_CFLAGS="-fvisibility=hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
-AM_CXXFLAGS="-fvisibility=hidden -fvisibility-inlines-hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}"
-AM_LDFLAGS="${ASAN_LDFLAGS}"
+AM_CFLAGS="-fvisibility=hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}
${UBSAN_CFLAGS}
"
+AM_CXXFLAGS="-fvisibility=hidden -fvisibility-inlines-hidden ${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CXXFLAGS}
${UBSAN_CFLAGS}
"
+AM_LDFLAGS="${ASAN_LDFLAGS}
${UBSAN_CFLAGS}
"
# Check that the current size_t matches the size that glib thinks it should
# be. This catches problems on multi-arch where people try to do a 32-bit
# Check that the current size_t matches the size that glib thinks it should
# be. This catches problems on multi-arch where people try to do a 32-bit
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