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configure.ac: add --enable-undefined-sanitizer

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For UBSan

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2020-01-01 21:05:02 -05:00
parent c3e43bfff2
commit 0beeb6760b
1 changed files with 9 additions and 0 deletions
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9
configure.ac
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@ -334,6 +334,13 @@ if test "$enable_memory_sanitizer" = "yes"; then
SAN_FLAGS="-fsanitize=memory -fPIE -pie"
])
fi
if test "$enable_undefined_sanitizer" = "yes"; then
AC_C_FLAG([-fsanitize=undefined], [
AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
], [
SAN_FLAGS="-fsanitize=undefined"
])
fi
AC_SUBST([SAN_FLAGS])
dnl ----------
@ -576,6 +583,8 @@ AC_ARG_ENABLE([thread-sanitizer],
AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
AC_ARG_ENABLE([memory-sanitizer],
AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
AC_ARG_ENABLE([undefined-sanitizer],
AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
AC_ARG_WITH([crypto],
AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))