fix: document proper Bison version requirement

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b78e457ebbc316d55d3bb8fef9446ee9c9de3de2..b343a3c4c07c10a51d098efec1ac6cdc53f4cdc0 100644 (file)
--- 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.
@@ -659,8 +659,8 @@ AE_IF_FEATURE_ENABLED([asan], [
 
 # 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_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}"
 
 # Check that the current size_t matches the size that glib thinks it should