2 m4_define([V_MAJOR], [2])
3 m4_define([V_MINOR], [13])
4 m4_define([V_PATCH], [0])
5 m4_define([V_EXTRA], [pre])
6 m4_define([V_NAME], [[Codename TBD]])
7 m4_define([V_DESC], [[Description TBD]])
9 m4_define([V_STRING], [V_MAJOR.V_MINOR.V_PATCH])
10 m4_ifdef([V_EXTRA], [m4_append([V_STRING], [-V_EXTRA])])
13 AC_INIT([lttng-ust], V_STRING, [mathieu dot desnoyers at efficios dot com], [], [https://lttng.org])
15 dnl Substitute minor/major/patchlevel version numbers
16 AC_SUBST([MAJOR_VERSION], [V_MAJOR])
17 AC_SUBST([MINOR_VERSION], [V_MINOR])
18 AC_SUBST([PATCHLEVEL_VERSION], [V_PATCH])
20 # Following the numbering scheme proposed by libtool for the library version
21 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
22 # This is the library version of liblttng-ust.
23 m4_define([UST_LIB_V_MAJOR], [0])
24 m4_define([UST_LIB_V_MINOR], [0])
25 m4_define([UST_LIB_V_PATCH], [0])
27 AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [UST_LIB_V_MAJOR:UST_LIB_V_MINOR:UST_LIB_V_PATCH])
28 AC_DEFINE([CONFIG_LTTNG_UST_LIBRARY_VERSION_MAJOR], [UST_LIB_V_MAJOR], [Major SONAME number of the ust library])
29 # note: remember to update tracepoint.h dlopen() to match this version
30 # number. TODO: eventually automate by exporting the major number.
32 # This is the library version of liblttng-ust-ctl, used internally by
33 # liblttng-ust, lttng-sessiond, and lttng-consumerd.
34 AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [4:0:0])
36 AC_CONFIG_HEADERS([include/config.h include/lttng/ust-config.h])
37 AC_CONFIG_AUX_DIR([config])
38 AC_CONFIG_MACRO_DIR([m4])
39 AC_CONFIG_SRCDIR([include/lttng/tracepoint.h])
44 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc])
45 AM_MAINTAINER_MODE([enable])
47 # Enable silent rules if available (Introduced in AM 1.11)
48 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
50 AC_REQUIRE_AUX_FILE([tap-driver.sh])
52 # Checks for C compiler
53 AC_USE_SYSTEM_EXTENSIONS
58 AX_CXX_COMPILE_STDCXX([11])
60 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
62 # Check if the compiler support weak symbols
65 AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
66 AC_MSG_ERROR([Your platform doesn't support weak symbols.])
69 # Checks for programs.
76 AC_CHECK_PROG([HAVE_CMAKE], [cmake], ["yes"])
77 AM_CONDITIONAL([HAVE_CMAKE], [test "x$HAVE_CMAKE" = "xyes"])
79 # libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
80 AC_ARG_ENABLE([libtool-linkdep-fixup], [
81 AS_HELP_STRING([--disable-libtool-linkdep-fixup], [disable the libtool fixup for linking all dependent libraries (link_all_deplibs)])
83 libtool_fixup=$enableval
88 AS_IF([test "x$libtool_fixup" = "xyes"], [
89 libtool_m4="$srcdir/m4/libtool.m4"
90 libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)"
91 AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
92 libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4)
94 AS_IF([test $libtool_flag_pattern_count -ne 0], [
95 AC_MSG_RESULT([$libtool_flag_pattern_count])
96 AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
97 $SED -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
102 LT_INIT([disable-static])
104 AC_MSG_CHECKING([whether shared libraries are enabled])
105 AS_IF([test "x$enable_shared" = "xyes"], [
109 AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
112 # Checks for typedefs, structures, and compiler characteristics.
128 AC_CHECK_TYPES([ptrdiff_t])
131 AS_IF([test "x$ax_cv___attribute__" = "xyes"],
133 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
135 AX_PTHREAD(,[AC_MSG_ERROR([Could not configure pthreads support])])
137 # Checks for library functions.
166 # Check for pthread_setname_np and its signature
167 LTTNG_PTHREAD_SETNAME_NP
169 # AC_FUNC_MALLOC causes problems when cross-compiling.
172 # Checks for header files.
186 # Set architecture specific options
196 [s390], [NO_UNALIGNED_ACCESS=1],
197 [s390x], [NO_UNALIGNED_ACCESS=1],
199 NO_UNALIGNED_ACCESS=1
202 [aarch64*], [NO_UNALIGNED_ACCESS=1],
203 [mips*], [NO_UNALIGNED_ACCESS=1],
204 [tile*], [NO_UNALIGNED_ACCESS=1],
207 NO_UNALIGNED_ACCESS=1
210 # Set os specific options
212 [freebsd*], [NO_NUMA=1]
215 # Configuration options, which will be installed in the config.h
216 AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
217 AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
218 AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
220 # Checks for libraries.
221 AC_CHECK_LIB([dl], [dlopen], [
225 #libdl not found, check for dlopen in libc.
226 AC_CHECK_LIB([c], [dlopen], [
230 AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
235 # Check if libdl has dlmopen support.
236 AH_TEMPLATE([HAVE_DLMOPEN], ["Define to 1 if dlmopen is available."])
237 AC_CHECK_LIB([$libdl_name], [dlmopen],
238 [AC_DEFINE([HAVE_DLMOPEN], [1])]
242 AC_CHECK_HEADER([dlfcn.h])
243 AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"], [
244 AC_CHECK_DECLS([RTLD_DI_LINKMAP], [], [], [
248 ac_cv_have_decl_RTLD_DI_LINKMAP="no"
251 AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
255 AC_MSG_CHECKING([DEFINE_URCU_TLS_INIT()])
256 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
257 #include <urcu/tls-compat.h>
258 DEFINE_URCU_TLS_INIT(int, a, 1);
263 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.12.0 or better])
266 # urcu - check if we just find the headers it out of the box.
267 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
268 This error can also occur when the liburcu package's configure script has not been run.])])
270 # urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
271 # Part of Userspace RCU library 0.7.2 or better.
272 AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
273 liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
275 AC_MSG_CHECKING([caa_likely()])
276 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
277 #include <urcu/compiler.h>
287 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
290 # urcu - check that URCU lib is available to compilation
291 AC_CHECK_LIB([urcu-bp], [urcu_bp_synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp 0.11 or newer. Use [LDFLAGS]=-Ldir to specify its location.])])
293 # urcu - check that URCU lib is at least version 0.11
294 AC_CHECK_LIB([urcu-bp], [urcu_bp_call_rcu], [], [AC_MSG_ERROR([liburcu 0.11 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
297 AS_IF([test "x$NO_NUMA" = "x1"],[
298 AS_IF([test "x$enable_numa" = "x" ], [enable_numa=no])
301 AC_ARG_ENABLE([numa], [
302 AS_HELP_STRING([--disable-numa], [disable NUMA support])
304 enable_numa=$enableval
309 AS_IF([test "x$enable_numa" = "xyes"], [
310 # numa - check that numa lib is available
311 AC_CHECK_LIB([numa], [numa_available], [],
312 [AC_MSG_ERROR([libnuma is not available. Please either install it (e.g. libnuma-dev) or use [LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure argument to disable NUMA support.])])
315 AM_CONDITIONAL([HAVE_LIBNUMA], [test "x$have_libnuma" = "xyes"])
317 # optional linux/perf_event.h
318 AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
320 # Perf event counters are supported on all architectures supported by
321 # perf, using the read system call as fallback.
322 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes"])
324 AS_IF([test "x$have_perf_event" = "xyes"], [
325 AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
328 AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
329 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
332 # Check for JNI header files if requested
333 AC_ARG_ENABLE([jni-interface], [
334 AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]])
336 jni_interface=$enableval
341 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
344 AC_ARG_ENABLE([java-agent-jul], [
345 AS_HELP_STRING([--enable-java-agent-jul], [build the LTTng UST Java agent with JUL support [default=no]])
347 java_agent_jul=$enableval
352 AC_ARG_ENABLE([java-agent-log4j], [
353 AS_HELP_STRING([--enable-java-agent-log4j], [build the LTTng UST Java agent with Log4j support [default=no]])
355 java_agent_log4j=$enableval
360 AC_ARG_ENABLE([java-agent-all], [
361 AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with all supported backends [default=no]])
363 java_agent_jul=$enableval
364 java_agent_log4j=$enableval
367 AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
368 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
369 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
371 AS_IF([test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"], [
376 AC_ARG_VAR([CLASSPATH], [Java class path])
379 for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
381 JNI_CPPFLAGS="$JNI_CPPFLAGS -I$JNI_INCLUDE_DIR"
384 saved_CPPFLAGS="$CPPFLAGS"
385 CPPFLAGS="$CPPFLAGS $JNI_CPPFLAGS"
387 CPPFLAGS="$saved_CPPFLAGS"
390 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
392 AS_IF([test "x$java_agent_log4j" = "xyes"], [
394 AX_CHECK_CLASS([org.apache.log4j.Logger])
395 AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
396 AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
400 # Option to build the python agent
401 AC_ARG_ENABLE([python-agent], [
402 AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [default=no]])
404 python_agent=$enableval
406 AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
407 AS_IF([test "x$python_agent" = "xyes"], [
408 AM_PATH_PYTHON([2.7])
413 AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])
420 AS_IF([test "x$with_sdt" = "xyes"], [
421 AC_MSG_CHECKING([STAP_PROBEV()])
422 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
423 #define SDT_USE_VARIADIC
427 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
431 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
434 AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
438 AC_ARG_WITH([lttng-system-rundir], [
439 AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
441 lttng_system_rundir="$withval"
443 lttng_system_rundir="/var/run/lttng"
445 AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
446 [LTTng system runtime directory])
448 AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"])
449 AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
451 # Enable building examples
455 [--disable-examples],
456 [Do not build and install examples]
458 [enable_examples=$enableval],
459 [enable_examples=yes]
462 AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" != "xno"])
464 # Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
465 # is not distributed in tarballs.
466 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
467 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
469 # Enable building man pages (user's intention).
473 [--disable-man-pages],
474 [Do not build and install man pages (already built in a distributed tarball)]
476 [man_pages_opt=$enableval],
480 # Check for asciidoc and xmlto if we enabled building the man pages.
481 have_asciidoc_xmlto=no
482 warn_prebuilt_man_pages=no
484 AS_IF([test "x$man_pages_opt" = "xyes"], [
485 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
486 AC_PATH_PROG([XMLTO], [xmlto], [no])
488 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
489 AS_IF([test "x$in_git_repo" = "xyes"], [
490 # This is an error because we're in the Git repo, which
491 # means the man pages are not already generated for us,
492 # thus asciidoc/xmlto are required because we were asked
493 # to build the man pages.
495 Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
496 --disable-man-pages to disable building the man pages, in which case
497 they will not be installed.
500 # Only warn here: since we're in the tarball, the man
501 # pages should already be generated at this point, thus
502 # asciidoc/xmlto are not strictly required.
503 warn_prebuilt_man_pages=yes
506 have_asciidoc_xmlto=yes
510 # Export man page build condition: build the man pages if the user
511 # asked for it, and if the tools are available.
512 AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
513 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
516 AC_DEFUN([_AC_DEFINE_AND_SUBST], [
517 AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
522 _AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
524 AM_CFLAGS="-Wall $PTHREAD_CFLAGS"
527 # The order in which the include folders are searched is important.
528 # The top_builddir should always be searched first in the event that a build
529 # time generated file is included.
530 AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h"
531 AC_SUBST(AM_CPPFLAGS)
533 AC_SUBST(JNI_CPPFLAGS)
538 doc/examples/Makefile
541 include/lttng/ust-version.h
543 libringbuffer/Makefile
544 liblttng-ust-comm/Makefile
545 liblttng-ust/Makefile
546 liblttng-ust-ctl/Makefile
547 liblttng-ust-fork/Makefile
548 liblttng-ust-dl/Makefile
549 liblttng-ust-fd/Makefile
550 liblttng-ust-java/Makefile
551 liblttng-ust-java-agent/Makefile
552 liblttng-ust-java-agent/java/Makefile
553 liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
554 liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
555 liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
556 liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
557 liblttng-ust-java-agent/jni/Makefile
558 liblttng-ust-java-agent/jni/common/Makefile
559 liblttng-ust-java-agent/jni/jul/Makefile
560 liblttng-ust-java-agent/jni/log4j/Makefile
561 liblttng-ust-libc-wrapper/Makefile
562 liblttng-ust-cyg-profile/Makefile
563 liblttng-ust-python-agent/Makefile
564 python-lttngust/Makefile
565 python-lttngust/setup.py
566 python-lttngust/lttngust/__init__.py
569 tests/ctf-types/Makefile
571 tests/hello-many/Makefile
572 tests/hello.cxx/Makefile
573 tests/same_line_tracepoint/Makefile
574 tests/snprintf/Makefile
575 tests/ust-elf/Makefile
576 tests/benchmark/Makefile
577 tests/pthread_name/Makefile
579 tests/test-app-ctx/Makefile
580 tests/gcc-weak-hidden/Makefile
585 # Create link for python agent for the VPATH guru.
587 python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
588 python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
589 python-lttngust/lttngust/compat.py:python-lttngust/lttngust/compat.py
590 python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
591 python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
594 AC_CONFIG_FILES([tests/ust-elf/test_ust_elf],[chmod +x tests/ust-elf/test_ust_elf])
600 # Mini-report on what will be built.
608 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"V_NAME\"$PPRINT_COLOR_RST")
614 PPRINT_SUBTITLE([System])
616 PPRINT_PROP_STRING([Target architecture], $host_cpu)
618 test "x$NO_UNALIGNED_ACCESS" != "x1" && value=1 || value=0
619 PPRINT_PROP_BOOL([Efficient unaligned memory access], $value)
621 AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"],[
622 PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
626 PPRINT_SUBTITLE([Features])
629 test "x$with_sdt" = "xyes" && value=1 || value=0
630 PPRINT_PROP_BOOL_CUSTOM([sdt.h integration], $value, [use --with-sdt])
632 test "x$java_agent_jul" = xyes && value=1 || value=0
633 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
635 test "x$java_agent_log4j" = xyes && value=1 || value=0
636 PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
638 test "x$jni_interface" = xyes && value=1 || value=0
639 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])
641 test "x$python_agent" = xyes && value=1 || value=0
642 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
644 test "x$have_perf_event" = "xyes" && value=1 || value=0
645 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
647 test "x$enable_numa" = xyes && value=1 || value=0
648 PPRINT_PROP_BOOL([NUMA], $value)
653 test "x$enable_examples" = xyes && value=1 || value=0
654 PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
656 # man pages build enabled/disabled
657 m4_pushdef([build_man_pages_msg], [Build and install man pages])
659 AS_IF([test "x$man_pages_opt" != "xno"], [
660 AS_IF([test "x$in_git_repo" = "xyes"], [
661 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
663 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
664 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
666 PPRINT_PROP_STRING([build_man_pages_msg],
667 [${PPRINT_COLOR_BLDGRN}yes (already built)],
668 $PPRINT_COLOR_SUBTITLE)
672 PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
675 m4_popdef([build_man_pages_msg])
679 report_bindir="`eval eval echo $bindir`"
680 report_libdir="`eval eval echo $libdir`"
682 # Print the bindir and libdir this `make install' will install into.
684 PPRINT_SUBTITLE([Install directories])
685 PPRINT_PROP_STRING([Binaries], [$report_bindir])
686 PPRINT_PROP_STRING([Libraries], [$report_libdir])
689 PPRINT_SUBTITLE([System directories])
691 PPRINT_PROP_STRING([lttng-sessiond rundir], [$lttng_system_rundir])
695 AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
697 PPRINT_WARN([Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
699 Note that the man pages are already built in this distribution tarball,
700 therefore asciidoc and xmlto are only needed if you intend to modify
703 Use --disable-man-pages to completely disable building and installing