X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=configure.ac;h=59c0bac16741a4776a446cf7fcf8d156199547ab;hb=66c3bce11973e6e96a3791c378a9e5f98ddaa280;hp=b78e457ebbc316d55d3bb8fef9446ee9c9de3de2;hpb=6ec97181a525a3cd64cedbcd0df905ed9e84ba03;p=babeltrace.git

diff --git a/configure.ac b/configure.ac
index b78e457e..59c0bac1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -211,12 +211,12 @@ AX_PROG_BISON_VERSION([2.5], [have_bison=yes])
 AS_IF([test "x$have_bison" != "xyes"], [
   AE_IF_IN_GIT_REPO([
     AC_MSG_FAILURE([dnl
-Bison >= 2.4 is required when building from the Git repository. You can
+Bison >= 2.5 is required when building from the Git repository. You can
 set the YACC variable to override automatic detection.
     ])
   ], [
     AC_MSG_WARN([dnl
-Missing Bison >= 2.4. Note that the parser files are already built in
+Missing Bison >= 2.5. Note that the parser files are already built in
 this distribution tarball, so Bison is only needed if you intend to
 modify their sources. You can set the YACC variable to override automatic
 detection.
@@ -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.])
+AE_FEATURE([ubsan],[Build with UndefinedBehaviorSanitizer.])
 
 ##                                          ##
 ## Check for conflicting features selection ##
@@ -655,13 +656,19 @@ AE_IF_FEATURE_ENABLED([asan], [
   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).
-AM_CFLAGS="${PTHREAD_CFLAGS} ${GLIB_CFLAGS} ${ASAN_CFLAGS}"
-AM_CXXFLAGS="${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