2 m4_define([V_MAJOR], [2])
3 m4_define([V_MINOR], [12])
4 m4_define([V_PATCH], [0])
5 m4_define([V_EXTRA], [rc1])
6 m4_define([V_NAME], [[(Ta) Meilleure]])
7 m4_define([V_DESC], [[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.]])
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([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])
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
59 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
61 # Check if the compiler support weak symbols
64 AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
65 AC_MSG_ERROR([Your platform doesn't support weak symbols.])
68 # Checks for programs.
75 AC_CHECK_PROG([HAVE_CMAKE], [cmake], ["yes"])
76 AM_CONDITIONAL([HAVE_CMAKE], [test "x$HAVE_CMAKE" = "xyes"])
78 # libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
79 AC_ARG_ENABLE([libtool-linkdep-fixup], [
80 AS_HELP_STRING([--disable-libtool-linkdep-fixup], [disable the libtool fixup for linking all dependent libraries (link_all_deplibs)])
82 libtool_fixup=$enableval
87 AS_IF([test "x$libtool_fixup" = "xyes"], [
88 libtool_m4="$srcdir/m4/libtool.m4"
89 libtool_flag_pattern=".*link_all_deplibs\s*,\s*\$1\s*)"
90 AC_MSG_CHECKING([for occurence(s) of link_all_deplibs = no in $libtool_m4])
91 libtool_flag_pattern_count=$(grep -c "$libtool_flag_pattern\s*=\s*no" $libtool_m4)
93 AS_IF([test $libtool_flag_pattern_count -ne 0], [
94 AC_MSG_RESULT([$libtool_flag_pattern_count])
95 AC_MSG_WARN([the detected libtool will not link all dependencies, forcing link_all_deplibs = unknown])
96 $SED -i "s/\($libtool_flag_pattern\)\s*=\s*no/\1=unknown/g" $libtool_m4
101 LT_INIT([disable-static])
103 AC_MSG_CHECKING([whether shared libraries are enabled])
104 AS_IF([test "x$enable_shared" = "xyes"], [
108 AC_MSG_ERROR([LTTng-UST requires shared libraries to be enabled])
111 # Checks for typedefs, structures, and compiler characteristics.
127 AC_CHECK_TYPES([ptrdiff_t])
130 AS_IF([test "x$ax_cv___attribute__" = "xyes"],
132 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
134 # Checks for library functions.
163 # AC_FUNC_MALLOC causes problems when cross-compiling.
166 # Checks for header files.
180 # Set architecture specific options
190 [s390], [NO_UNALIGNED_ACCESS=1],
191 [s390x], [NO_UNALIGNED_ACCESS=1],
193 NO_UNALIGNED_ACCESS=1
196 [aarch64*], [NO_UNALIGNED_ACCESS=1],
197 [mips*], [NO_UNALIGNED_ACCESS=1],
198 [tile*], [NO_UNALIGNED_ACCESS=1],
201 NO_UNALIGNED_ACCESS=1
204 # Configuration options, which will be installed in the config.h
205 AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
206 AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
207 AH_TEMPLATE([LTTNG_UST_HAVE_PERF_EVENT], [Perf event integration via perf_event.h])
209 # Checks for libraries.
210 AC_CHECK_LIB([dl], [dlopen], [
214 #libdl not found, check for dlopen in libc.
215 AC_CHECK_LIB([c], [dlopen], [
219 AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
224 # Check if libdl has dlmopen support.
225 AH_TEMPLATE([HAVE_DLMOPEN], ["Define to 1 if dlmopen is available."])
226 AC_CHECK_LIB([$libdl_name], [dlmopen],
227 [AC_DEFINE([HAVE_DLMOPEN], [1])]
230 AC_CHECK_LIB([pthread], [pthread_create])
231 AC_CHECK_LIB([pthread], [pthread_setname_np],
232 AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1], [Define to 1 if pthread_setname_np is available.]),
233 AC_CHECK_LIB([pthread], [pthread_set_name_np],
234 AC_DEFINE([HAVE_PTHREAD_SET_NAME_NP], [1], [Define to 1 if pthread_set_name_np is available.]),
235 AC_MSG_RESULT([pthread setname/set_name not found.])))
238 AC_CHECK_HEADER([dlfcn.h])
239 AS_IF([test "x${ac_cv_header_dlfcn_h}" = "xyes"], [
240 AC_CHECK_DECLS([RTLD_DI_LINKMAP], [], [], [
241 #define _GNU_SOURCE /* Required on Linux to get GNU extensions */
245 ac_cv_have_decl_RTLD_DI_LINKMAP="no"
248 AM_CONDITIONAL([HAVE_DLINFO], [test "x${ac_cv_have_decl_RTLD_DI_LINKMAP}" = "xyes"])
252 AC_MSG_CHECKING([DEFINE_URCU_TLS_INIT()])
253 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
254 #include <urcu/tls-compat.h>
255 DEFINE_URCU_TLS_INIT(int, a, 1);
260 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.12.0 or better])
263 # urcu - check if we just find the headers it out of the box.
264 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
265 This error can also occur when the liburcu package's configure script has not been run.])])
267 # urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
268 # Part of Userspace RCU library 0.7.2 or better.
269 AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
270 liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
272 AC_MSG_CHECKING([caa_likely()])
273 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
274 #include <urcu/compiler.h>
284 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
287 # urcu - check that URCU lib is available to compilation
288 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.])])
290 # urcu - check that URCU lib is at least version 0.11
291 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.])])
294 AS_IF([test "x$NO_NUMA" = "x1"],[
295 AS_IF([test "x$enable_numa" = "x" ], [enable_numa=no])
298 AC_ARG_ENABLE([numa], [
299 AS_HELP_STRING([--disable-numa], [disable NUMA support])
301 enable_numa=$enableval
306 AS_IF([test "x$enable_numa" = "xyes"], [
307 # numa - check that numa lib is available
308 AC_CHECK_LIB([numa], [numa_available], [],
309 [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.])])
312 AM_CONDITIONAL([HAVE_LIBNUMA], [test "x$have_libnuma" = "xyes"])
314 # optional linux/perf_event.h
315 AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
317 # Perf event counters are supported on all architectures supported by
318 # perf, using the read system call as fallback.
319 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes"])
321 AS_IF([test "x$have_perf_event" = "xyes"], [
322 AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
325 AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
326 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
329 # Check for JNI header files if requested
330 AC_ARG_ENABLE([jni-interface], [
331 AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]])
333 jni_interface=$enableval
338 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
341 AC_ARG_ENABLE([java-agent-jul], [
342 AS_HELP_STRING([--enable-java-agent-jul], [build the LTTng UST Java agent with JUL support [default=no]])
344 java_agent_jul=$enableval
349 AC_ARG_ENABLE([java-agent-log4j], [
350 AS_HELP_STRING([--enable-java-agent-log4j], [build the LTTng UST Java agent with Log4j support [default=no]])
352 java_agent_log4j=$enableval
357 AC_ARG_ENABLE([java-agent-all], [
358 AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with all supported backends [default=no]])
360 java_agent_jul=$enableval
361 java_agent_log4j=$enableval
364 AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
365 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
366 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
368 AS_IF([test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"], [
375 for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
377 JNI_CPPFLAGS="$JNI_CPPFLAGS -I$JNI_INCLUDE_DIR"
380 saved_CPPFLAGS="$CPPFLAGS"
381 CPPFLAGS="$CPPFLAGS $JNI_CPPFLAGS"
383 CPPFLAGS="$saved_CPPFLAGS"
386 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
388 AS_IF([test "x$java_agent_log4j" = "xyes"], [
390 AX_CHECK_CLASS([org.apache.log4j.Logger])
391 AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
392 AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
396 # Option to build the python agent
397 AC_ARG_ENABLE([python-agent], [
398 AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [default=no]])
400 python_agent=$enableval
402 AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
403 AS_IF([test "x$python_agent" = "xyes"], [
404 AM_PATH_PYTHON([2.7])
409 AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])
416 AS_IF([test "x$with_sdt" = "xyes"], [
417 AC_MSG_CHECKING([STAP_PROBEV()])
418 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
419 #define SDT_USE_VARIADIC
423 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
427 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
430 AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
434 AC_ARG_WITH([lttng-system-rundir], [
435 AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
437 lttng_system_rundir="$withval"
439 lttng_system_rundir="/var/run/lttng"
441 AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
442 [LTTng system runtime directory])
444 AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"])
445 AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
447 # Enable building examples
451 [--disable-examples],
452 [Do not build and install examples]
454 [enable_examples=$enableval],
455 [enable_examples=yes]
458 AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" != "xno"])
460 # Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
461 # is not distributed in tarballs.
462 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
463 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
465 # Enable building man pages (user's intention).
469 [--disable-man-pages],
470 [Do not build and install man pages (already built in a distributed tarball)]
472 [man_pages_opt=$enableval],
476 # Check for asciidoc and xmlto if we enabled building the man pages.
477 have_asciidoc_xmlto=no
478 warn_prebuilt_man_pages=no
480 AS_IF([test "x$man_pages_opt" = "xyes"], [
481 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
482 AC_PATH_PROG([XMLTO], [xmlto], [no])
484 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
485 AS_IF([test "x$in_git_repo" = "xyes"], [
486 # This is an error because we're in the Git repo, which
487 # means the man pages are not already generated for us,
488 # thus asciidoc/xmlto are required because we were asked
489 # to build the man pages.
491 Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
492 --disable-man-pages to disable building the man pages, in which case
493 they will not be installed.
496 # Only warn here: since we're in the tarball, the man
497 # pages should already be generated at this point, thus
498 # asciidoc/xmlto are not strictly required.
499 warn_prebuilt_man_pages=yes
502 have_asciidoc_xmlto=yes
506 # Export man page build condition: build the man pages if the user
507 # asked for it, and if the tools are available.
508 AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
509 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
512 AC_DEFUN([_AC_DEFINE_AND_SUBST], [
513 AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
518 _AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
522 AC_SUBST(JNI_CPPFLAGS)
527 doc/examples/Makefile
530 include/lttng/ust-version.h
532 libringbuffer/Makefile
533 liblttng-ust-comm/Makefile
534 liblttng-ust/Makefile
535 liblttng-ust-ctl/Makefile
536 liblttng-ust-fork/Makefile
537 liblttng-ust-dl/Makefile
538 liblttng-ust-fd/Makefile
539 liblttng-ust-java/Makefile
540 liblttng-ust-java-agent/Makefile
541 liblttng-ust-java-agent/java/Makefile
542 liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
543 liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
544 liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
545 liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
546 liblttng-ust-java-agent/jni/Makefile
547 liblttng-ust-java-agent/jni/common/Makefile
548 liblttng-ust-java-agent/jni/jul/Makefile
549 liblttng-ust-java-agent/jni/log4j/Makefile
550 liblttng-ust-libc-wrapper/Makefile
551 liblttng-ust-cyg-profile/Makefile
552 liblttng-ust-python-agent/Makefile
553 python-lttngust/Makefile
554 python-lttngust/setup.py
555 python-lttngust/lttngust/__init__.py
558 tests/ctf-types/Makefile
560 tests/hello-many/Makefile
561 tests/hello.cxx/Makefile
562 tests/same_line_tracepoint/Makefile
563 tests/snprintf/Makefile
564 tests/ust-elf/Makefile
565 tests/benchmark/Makefile
567 tests/test-app-ctx/Makefile
568 tests/gcc-weak-hidden/Makefile
573 # Create link for python agent for the VPATH guru.
575 python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
576 python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
577 python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
578 python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
581 AC_CONFIG_FILES([tests/ust-elf/test_ust_elf],[chmod +x tests/ust-elf/test_ust_elf])
587 # Mini-report on what will be built.
595 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"V_NAME\"$PPRINT_COLOR_RST")
601 PPRINT_SUBTITLE([System])
603 PPRINT_PROP_STRING([Target architecture], $host_cpu)
605 test "x$NO_UNALIGNED_ACCESS" != "x1" && value=1 || value=0
606 PPRINT_PROP_BOOL([Efficient unaligned memory access], $value)
608 AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"],[
609 PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
613 PPRINT_SUBTITLE([Features])
616 test "x$with_sdt" = "xyes" && value=1 || value=0
617 PPRINT_PROP_BOOL_CUSTOM([sdt.h integration], $value, [use --with-sdt])
619 test "x$java_agent_jul" = xyes && value=1 || value=0
620 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
622 test "x$java_agent_log4j" = xyes && value=1 || value=0
623 PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
625 test "x$jni_interface" = xyes && value=1 || value=0
626 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])
628 test "x$python_agent" = xyes && value=1 || value=0
629 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
631 test "x$have_perf_event" = "xyes" && value=1 || value=0
632 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
634 test "x$enable_numa" = xyes && value=1 || value=0
635 PPRINT_PROP_BOOL([NUMA], $value)
640 test "x$enable_examples" = xyes && value=1 || value=0
641 PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
643 # man pages build enabled/disabled
644 m4_pushdef([build_man_pages_msg], [Build and install man pages])
646 AS_IF([test "x$man_pages_opt" != "xno"], [
647 AS_IF([test "x$in_git_repo" = "xyes"], [
648 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
650 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
651 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
653 PPRINT_PROP_STRING([build_man_pages_msg],
654 [${PPRINT_COLOR_BLDGRN}yes (already built)],
655 $PPRINT_COLOR_SUBTITLE)
659 PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
662 m4_popdef([build_man_pages_msg])
666 report_bindir="`eval eval echo $bindir`"
667 report_libdir="`eval eval echo $libdir`"
669 # Print the bindir and libdir this `make install' will install into.
671 PPRINT_SUBTITLE([Install directories])
672 PPRINT_PROP_STRING([Binaries], [$report_bindir])
673 PPRINT_PROP_STRING([Libraries], [$report_libdir])
676 PPRINT_SUBTITLE([System directories])
678 PPRINT_PROP_STRING([lttng-sessiond rundir], [$lttng_system_rundir])
682 AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
684 PPRINT_WARN([Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
686 Note that the man pages are already built in this distribution tarball,
687 therefore asciidoc and xmlto are only needed if you intend to modify
690 Use --disable-man-pages to completely disable building and installing