X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=configure.ac;h=c7899e461ae3f20028697cbc0ae57abec07e1c11;hp=b5090b39d4cc80d29200578e48e0fc59bcf5f369;hb=86aeb6b8524b0a8affcfea1c72a92ea256e68c9e;hpb=156184d68ce8a9338e042908c522255e3eed800d

diff --git a/configure.ac b/configure.ac
index b5090b39..c7899e46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ AC_PREREQ([2.50])
 m4_define([bt_version_major], [2])
 m4_define([bt_version_minor], [0])
 m4_define([bt_version_patch], [0])
-m4_define([bt_version_extra], [-pre6])
+m4_define([bt_version_extra], [-rc4])
 m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
 
 AC_INIT([babeltrace], bt_version, [jeremie dot galarneau at efficios dot com], [], [https://efficios.com/babeltrace/])
@@ -673,6 +673,19 @@ AX_COMPILER_FLAGS(
 		-Wno-format-nonliteral dnl
 		-Wno-double-promotion dnl
 		-Wno-cast-align dnl
+		dnl
+		dnl Some versions of SWIG (like 3.0.12) generate code that produces
+		dnl -Wcast-function-type warnings.  This warning is present in gcc >= 8.  This
+		dnl combo happens on RHEL/Centos 8, for example.  Later versions of SWIG (like
+		dnl 4.0.1) have the correct function signatures to not produce this warning.
+		dnl It's simpler to just disable the warning globally.
+		dnl
+		dnl Note that the Debian/Ubuntu SWIG package 3.0.12-2 contains a local patch to
+		dnl fix this (python-fix-function-cast-warnings.patch), so you won't be able to
+		dnl reproduce the warning using that package.
+		dnl
+		dnl Ref: https://github.com/swig/swig/issues/1259
+		-Wno-cast-function-type dnl
 	])
 
 # CFLAGS from AX_COMPILER_FLAGS.