X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=4e186d471ac4bd0f83efe85892401ae9292c3038;hp=ab659691fab0886a3710088366aa24e2d67a32ea;hb=f37d0f861f20a72a0b77fb43fa27744521dd7995;hpb=3cd887b35fa74815822b87c5495473288002345a

diff --git a/configure.ac b/configure.ac
index ab659691f..4e186d471 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,6 @@
+dnl SPDX-License-Identifier: GPL-2.0-only
 AC_PREREQ([2.64])
-AC_INIT([lttng-tools],[2.12.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
+AC_INIT([lttng-tools],[2.12.0-rc1],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
 
 AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -25,6 +26,36 @@ AC_PROG_CXX
 RW_PROG_CXX_WORKS
 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 
+# Detect warning flags supported by the compiler, append them to WARN_CFLAGS.
+#
+# Pass -Werror as an extra flag during the test: this is needed to make the
+# -Wunknown-warning-option diagnostic fatal with clang.
+AX_APPEND_COMPILE_FLAGS([ dnl
+		-Wall dnl
+		dnl We currently get this warning when building with Clang:
+		dnl
+		dnl /usr/include/setjmp.h:54:12: error: declaration of built-in function '__sigsetjmp' requires the declaration of the 'jmp_buf' type, commonly provided in the header <setjmp.h>. [-Werror,-Wincomplete-setjmp-declaration]
+		dnl extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) __THROWNL;
+		dnl            ^
+		-Wno-incomplete-setjmp-declaration dnl
+		-Wdiscarded-qualifiers dnl
+		-Wmissing-declarations dnl
+		-Wmissing-prototypes dnl
+		-Wmissing-parameter-type dnl
+		-Wold-style-definition dnl
+		-Wstrict-prototypes dnl
+	],
+	[WARN_CFLAGS],
+	[-Werror])
+
+# When given, add -Werror to WARN_CFLAGS.
+AC_ARG_ENABLE([Werror],
+	[AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
+)
+AS_IF([test "x$enable_Werror" = "xyes"],
+	[WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
+)
+
 # Checks for programs.
 AC_PROG_GREP
 AC_PROG_MAKE_SET
@@ -153,8 +184,8 @@ AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [LTTng-Tools major version n
 AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [LTTng-Tools minor version number])
 AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [LTTng-Tools patchlevel version number])
 
-version_name="Codename TBD"
-version_description="Description TBD"
+version_name="(Ta) Meilleure"
+version_description="Ta Meilleure is a Northeast IPA beer brewed by Lagabière. Translating to \"Your best one\", this beer gives out strong aromas of passion fruit, lemon, and peaches. Tastewise, expect a lot of fruit, a creamy texture, and a smooth lingering hop bitterness."
 version_description_c=$(echo $version_description | $SED 's/"/\\"/g')
 
 AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], "")
@@ -1037,9 +1068,13 @@ AM_CONDITIONAL([BUILD_LIB_SESSIOND_COMM], [test x$build_lib_sessiond_comm = xyes
 AM_CONDITIONAL([BUILD_LIB_TESTPOINT], [test x$build_lib_testpoint = xyes])
 AM_CONDITIONAL([BUILD_LIB_UST_CONSUMER], [test x$build_lib_ust_consumer = xyes])
 
-AM_CFLAGS="-Wall -fno-strict-aliasing $PTHREAD_CFLAGS"
+AM_CFLAGS="${WARN_CFLAGS} -fno-strict-aliasing $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
+# This is set even though it is empty, so Makefiles can do "AM_LDFLAGS += ...".
+AM_LDFLAGS=""
+AC_SUBST(AM_LDFLAGS)
+
 # The order in which the include folders are searched is important.
 # The top_builddir should always be searched first in the event that a build
 # time generated file is included. An example of this is the "version.i" file.