Fix: add missing errno.h in pthread compat

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 92a2674c6246dc609f785829372604aaada09d1e..dd0fb21da1288236db199e460af6f25432343da1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +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])
@@ -26,6 +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
@@ -154,8 +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"], "")
@@ -207,6 +237,9 @@ AC_CHECK_FUNCS([ \
        sched_getcpu sysconf sync_file_range
 ])
 
+# Check for pthread_setname_np and its signature
+LTTNG_PTHREAD_SETNAME_NP
+
 # Check if clock_gettime, timer_create, timer_settime, and timer_delete are available in lib rt, and if so,
 # add -lrt to LIBS
 AC_CHECK_LIB([rt], [clock_gettime, timer_create, timer_settime, timer_delete])
@@ -1038,16 +1071,20 @@ 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.
 # In a scenario where lttng-tools is built from a distribution tarball and in a
 # out-of-tree manner, the generated "version.i" has priority on the one from
 # the source (distribution tarball) and must be found first.
-AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
+AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
 AC_SUBST(AM_CPPFLAGS)
 
 lttngincludedir="${includedir}/lttng"
@@ -1095,9 +1132,9 @@ AC_CONFIG_FILES([
        src/common/config/Makefile
        src/common/string-utils/Makefile
        src/common/fd-tracker/Makefile
+       src/common/filter/Makefile
        src/lib/Makefile
        src/lib/lttng-ctl/Makefile
-       src/lib/lttng-ctl/filter/Makefile
        src/lib/lttng-ctl/lttng-ctl.pc
        src/bin/Makefile
        src/bin/lttng-consumerd/Makefile