build: Fix default values for some SANITIZER options

2 of the sanitizers didn't have default values so in systems that
don't support sanitizers menuselect would spit out warnings.  They
were harmless but confusing.  They've now been set to "0".

Change-Id: I08dc495e3b83f1feac3160b421f538c375fc5d58

diff --git a/configure b/configure
index af102b4abc13743be1a02012af9b85f83a7351a7..5d21730e9d0cad0a3a342df6e6d9b2d6cfc861a4 100755 (executable)
--- a/configure
+++ b/configure
@@ -18673,7 +18673,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 $as_echo "yes" >&6; }
        AST_ADDRESS_SANITIZER=1
 else
-  AST_ADDRESS_SANITIZER=
+  AST_ADDRESS_SANITIZER=0
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 
@@ -18705,7 +18705,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 $as_echo "yes" >&6; }
        AST_THREAD_SANITIZER=1
 else
-  AST_THREAD_SANITIZER=
+  AST_THREAD_SANITIZER=0
        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 

diff --git a/configure.ac b/configure.ac
index 0f2148b06a881f138bf097e8058709b63d4ea3c7..ea55df41634da292d2df349174b550bc883e0e98 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1115,7 +1115,7 @@ AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([], [int x = 1;])],
        AC_MSG_RESULT(yes)
        [AST_ADDRESS_SANITIZER=1],
-       [AST_ADDRESS_SANITIZER=]
+       [AST_ADDRESS_SANITIZER=0]
        AC_MSG_RESULT(no)
 )
 CFLAGS="${saved_sanitize_CFLAGS}"
@@ -1131,7 +1131,7 @@ AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([], [int x = 1;])],
        AC_MSG_RESULT(yes)
        [AST_THREAD_SANITIZER=1],
-       [AST_THREAD_SANITIZER=]
+       [AST_THREAD_SANITIZER=0]
        AC_MSG_RESULT(no)
 )
 CFLAGS="${saved_sanitize_CFLAGS}"