1 dnl SPDX-License-Identifier: LGPL-2.1-only
3 dnl Copyright (C) 2021 EfficiOS, Inc.
5 dnl Process this file with autoconf to produce a configure script.
8 # Project version information
9 m4_define([ust_version_major], [2])
10 m4_define([ust_version_minor], [13])
11 m4_define([ust_version_patch], [0])
12 m4_define([ust_version_dev_stage], [-pre])
13 m4_define([ust_version], ust_version_major[.]ust_version_minor[.]ust_version_patch[]ust_version_dev_stage)
14 m4_define([ust_version_name], [[Codename TBD]])
15 m4_define([ust_version_description], [[Description TBD]])
17 # Library version information of "liblttng-ust"
18 # Following the numbering scheme proposed by libtool for the library version
19 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
20 m4_define([ust_lib_version_current], [1])
21 m4_define([ust_lib_version_revision], [0])
22 m4_define([ust_lib_version_age], [0])
23 m4_define([ust_lib_version], ust_lib_version_current[:]ust_lib_version_revision[:]ust_lib_version_age)
25 # Library version information of "liblttng-ust-ctl"
26 # Following the numbering scheme proposed by libtool for the library version
27 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
28 m4_define([ust_ctl_lib_version_current], [5])
29 m4_define([ust_ctl_lib_version_revision], [0])
30 m4_define([ust_ctl_lib_version_age], [0])
31 m4_define([ust_ctl_lib_version], ust_ctl_lib_version_current[:]ust_ctl_lib_version_revision[:]ust_ctl_lib_version_age)
35 ## Autoconf base setup ##
39 AC_INIT([lttng-ust],[ust_version],[mathieu dot desnoyers at efficios dot com],[],[https://lttng.org])
41 AC_CONFIG_HEADERS([src/common/config.h include/lttng/ust-config.h include/lttng/ust-version.h])
42 AC_CONFIG_AUX_DIR([config])
43 AC_CONFIG_MACRO_DIR([m4])
50 ## Automake base setup ##
53 AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip tar-ustar nostdinc -Wall -Wno-portability -Werror])
54 AM_MAINTAINER_MODE([enable])
56 # Enable silent rules by default
57 AM_SILENT_RULES([yes])
61 ## OS and Arch specific defaults ##
64 # Set os specific options
66 [freebsd*], [AE_FEATURE_DISABLE([numa])]
69 # Set architecture specific options
81 [arm*], [AE_FEATURE_DISABLE([numa])],
86 unsupported_arch="yes"
91 ## C compiler checks ##
94 # Choose the C compiler
96 # AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
97 m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
99 # Make sure the C compiler supports C99
100 AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
102 # Enable available system extensions and LFS support
103 AC_USE_SYSTEM_EXTENSIONS
106 # Make sure the C compiler supports __attribute__
108 AS_IF([test "x$ax_cv___attribute__" != "xyes"],
109 [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
111 # Make sure we have pthread support
112 AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])])
114 # Make sure the C compiler supports weak symbols
116 AS_IF([test "x$ax_cv_sys_weak_alias" = "xno"],
117 [AC_MSG_ERROR([Your platform doesn't support weak symbols.])])
119 # Checks for typedefs, structures, and compiler characteristics.
136 AC_CHECK_TYPES([ptrdiff_t])
138 # Detect warning flags supported by the C compiler and append them to
140 m4_define([WARN_FLAGS_LIST], [ dnl
143 -Wmissing-prototypes dnl
144 -Wmissing-declarations dnl
145 -Wnull-dereference dnl
148 -Wjump-misses-init dnl
149 -Wsuggest-attribute=format dnl
150 -Wtautological-constant-out-of-range-compare dnl
154 -Wstrict-aliasing dnl
155 -Wmissing-noreturn dnl
157 -Wduplicated-cond dnl
158 -Wduplicated-branches dnl
160 dnl These would require reworking the tracepoint macros
161 dnl-Wredundant-decls dnl
162 -Wno-sign-compare dnl
163 -Wno-missing-field-initializers dnl
164 -Wno-null-dereference dnl
167 # Pass -Werror as an extra flag during the test: this is needed to make the
168 # -Wunknown-warning-option diagnostic fatal with clang.
170 AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror])
173 # The test used in AX_APPEND_COMPILE_FLAGS, generated using AC_LANG_PROGRAM, is
174 # written in such a way that it triggers warnings with the following warning
175 # flags. So they would always end up disabled if we put them there, because
176 # the test program would not build.
178 # Enable them here unconditionally. They are supported by GCC >= 4.8 and by
179 # Clang >= 3.3 (required by the project) and are only valid for C code.
180 WARN_CFLAGS="${WARN_CFLAGS} -Wold-style-definition -Wstrict-prototypes"
182 # Disable 'strict aliasing' if the compiler supports it.
184 AX_APPEND_COMPILE_FLAGS([-fno-strict-aliasing], [OPT_CFLAGS], [-Werror])
189 ## C++ compiler checks ##
192 # Find an optional C++11 compiler without GNU extensions (-std=c++11)
193 AX_CXX_COMPILE_STDCXX([11], [noext], [optional])
195 AS_IF([test "$HAVE_CXX11" = "1"], [
196 # Pass -Werror as an extra flag during the test: this is needed to make the
197 # -Wunknown-warning-option diagnostic fatal with clang.
199 AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST -Wno-undef -Wno-duplicated-branches], [WARN_CXXFLAGS], [-Werror])
223 # Check for dlinfo() by testing for RTLD_DI_LINKMAP in dlfcn.h
224 AS_IF([test "x$ac_cv_header_dlfcn_h" = "xyes"], [
225 AC_CHECK_DECL([RTLD_DI_LINKMAP], [], [], [[#include <dlfcn.h>]])
230 ## Programs checks ##
239 AC_CHECK_PROGS([ASCIIDOC], [asciidoc])
240 AC_CHECK_PROGS([CMAKE], [cmake])
241 AC_CHECK_PROGS([FOLD], [fold])
242 AC_CHECK_PROGS([XMLTO], [xmlto])
244 AM_PATH_PYTHON([2.7], [], [PYTHON=""])
246 # Initialize and configure libtool
247 LT_INIT([disable-static])
282 # AC_FUNC_MALLOC causes problems when cross-compiling.
286 # Check for pthread_setname_np and its signature
287 LTTNG_PTHREAD_SETNAME_NP
288 LTTNG_PTHREAD_GETNAME_NP
290 # Check dor dlopen() in -ldl or -lc
291 AC_CHECK_LIB([dl], [dlopen], [
295 # dlopen not found in libdl, check in libc
296 AC_CHECK_LIB([c], [dlopen], [
300 AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
305 # Check if libdl has dlmopen()
306 AC_CHECK_LIB([$libdl_name], [dlmopen], [
307 AC_DEFINE([HAVE_DLMOPEN], [1], [Define to 1 if dlmopen is available.])
310 # Require URCU >= 0.12 for DEFINE_URCU_TLS_INIT
311 PKG_CHECK_MODULES([URCU], [liburcu >= 0.12])
318 # Additional variables captured during ./configure
320 AC_ARG_VAR([CLASSPATH], [Java class path])
324 ## Optionnal features selection ##
328 # Enabled by default, except on some platforms
329 AE_FEATURE_DEFAULT_ENABLE
330 AE_FEATURE([numa],[disable NUMA support])
332 # Java JNI interface library
333 # Disabled by default
334 AE_FEATURE_DEFAULT_DISABLE
335 AE_FEATURE([jni-interface], [build JNI interface between C and Java])
337 # Build the Java Logging API agent
338 # Disabled by default
339 AE_FEATURE_DEFAULT_DISABLE
340 AE_FEATURE([java-agent-jul],[build the LTTng UST Java agent with JUL support])
342 # Build the Java Log4j agent
343 # Disabled by default
344 AE_FEATURE_DEFAULT_DISABLE
345 AE_FEATURE([java-agent-log4j],[build the LTTng UST Java agent with Log4j support])
347 # Build both Java agents
348 # Disabled by default
349 AE_FEATURE_DEFAULT_DISABLE
350 AE_FEATURE([java-agent-all],[build the LTTng UST Java agent with all supported backends])
352 # Build the Python agent
353 # Disabled by default
354 AE_FEATURE_DEFAULT_DISABLE
355 AE_FEATURE([python-agent],[build the LTTng UST Python agent])
358 # Disabled by default
359 AE_FEATURE_DEFAULT_ENABLE
360 AE_FEATURE([examples],[Do not build and install examples])
364 AE_FEATURE_DEFAULT_ENABLE
365 AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball)])
367 # Systemtap sdt.h integration
368 # Disabled by default
370 [AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])]
373 # Override the default runtime directory
374 AC_ARG_WITH([lttng-system-rundir], [
375 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".]),
377 lttng_system_rundir="$withval"
379 lttng_system_rundir="/var/run/lttng"
382 # Add the java command line arguments like '--wit-java-prefix'
387 ## Check for conflicting features selection ##
390 AE_IF_FEATURE_DISABLED([shared], [
391 AC_MSG_ERROR(LTTng-UST requires shared libraries to be enabled)
394 AE_IF_FEATURE_ENABLED([java-agent-all], [
395 AE_FEATURE_ENABLE([java-agent-jul])
396 AE_FEATURE_ENABLE([java-agent-log4j])
401 ## Check for optional features dependencies ##
404 # The numa integration requires libnuma
405 AE_IF_FEATURE_ENABLED([numa], [
406 AC_CHECK_LIB([numa], [numa_available], [], [
408 libnuma is not available. Please either install it (e.g. libnuma-dev) or use
409 [LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure
410 argument to disable NUMA support.
415 # The JNI interface and Java Agents require a working Java JDK
416 AS_IF([AE_IS_FEATURE_ENABLED([jni-interface]) || AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j])], [
421 # Get the CPPFLAGS required to build jni libaries
423 for jni_include_dir in $JNI_INCLUDE_DIRS; do
424 JNI_CPPFLAGS="$JNI_CPPFLAGS -I$jni_include_dir"
427 # Check for javah and jni.h
428 saved_CPPFLAGS="$CPPFLAGS"
429 CPPFLAGS="$CPPFLAGS $JNI_CPPFLAGS"
431 CPPFLAGS="$saved_CPPFLAGS"
434 # The log4j agent requires the log4j jar in the classpath
435 AE_IF_FEATURE_ENABLED([java-agent-log4j], [
436 AX_CHECK_CLASS([org.apache.log4j.Logger])
437 AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
439 The UST Java agent support for log4j was requested but the Log4j classes were
440 not found. Please specify the location of the Log4j jar via the Java CLASSPATH
441 environment variable, e.g. ./configure CLASSPATH="/path/to/log4j.jar"
443 Current CLASSPATH: "$CLASSPATH"
448 # The python agent requires a python interpreter
449 AE_IF_FEATURE_ENABLED([python-agent], [
450 AS_IF([test "x$PYTHON" = "x"], [
452 Cannot find a suitable python interpreter. You can override it with the PYTHON
453 environment variable.
458 # Check for asciidoc and xmlto if we enabled building the man pages.
459 AE_IF_FEATURE_ENABLED([man-pages], [
460 AS_IF([test "x$ASCIIDOC" = "x" || test "x$XMLTO" = "x"], [
462 # This is an error because we're in the Git repo, which
463 # means the man pages are not already generated for us,
464 # thus asciidoc/xmlto are required because we were asked
465 # to build the man pages.
467 Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
468 --disable-man-pages to disable building the man pages, in which case
469 they will not be installed.
472 # Only warn here: since we're in the tarball, the man
473 # pages should already be generated at this point, thus
474 # asciidoc/xmlto are not strictly required.
475 warn_prebuilt_man_pages=yes
478 have_asciidoc_xmlto=yes
482 AS_IF([test "x$with_sdt" = "xyes"], [
483 AC_MSG_CHECKING([STAP_PROBEV()])
484 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
485 #define SDT_USE_VARIADIC
489 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
493 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1], [SystemTap integration via sdt.h])
497 The sdt.h integration was requested but the STAP_PROBEV define cannot be used.
498 Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify
499 a non-standard path to sys/sdt.h
506 ## Set defines for optional features conditionnals in the source code ##
509 AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"], [LTTng system runtime directory])
511 # Defined in include/lttng/ust-version.h
512 AC_DEFINE([LTTNG_UST_MAJOR_VERSION], ust_version_major, [LTTng UST major version])
513 AC_DEFINE([LTTNG_UST_MINOR_VERSION], ust_version_minor, [LTTng UST minor version])
514 AC_DEFINE([LTTNG_UST_PATCHLEVEL_VERSION], ust_version_patch, [LTTng UST patch version])
515 AC_DEFINE([LTTNG_UST_VERSION], ["]ust_version["], [LTTng UST version string])
516 AC_DEFINE([LTTNG_UST_LIB_SONAME_MAJOR], [ust_lib_version_current], [Major SONAME number of liblttng-ust])
517 AC_DEFINE([LTTNG_UST_CTL_LIB_SONAME_MAJOR], [ust_ctl_lib_version_current], [Major SONAME number of liblttng-ust-ctl])
521 ## Set automake variables for optional feature conditionnals in Makefile.am ##
524 AM_CONDITIONAL([ENABLE_EXAMPLES], AE_IS_FEATURE_ENABLED([examples]))
525 AM_CONDITIONAL([ENABLE_GEN_TP_EXAMPLES], [test "x$PYTHON" != "x"])
526 AM_CONDITIONAL([ENABLE_JAVA_AGENT], AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j]))
527 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_JUL], AE_IS_FEATURE_ENABLED([java-agent-jul]))
528 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J], AE_IS_FEATURE_ENABLED([java-agent-log4j]))
529 AM_CONDITIONAL([ENABLE_JNI_INTERFACE], AE_IS_FEATURE_ENABLED([jni-interface]))
530 AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
531 AM_CONDITIONAL([ENABLE_NUMA], AE_IS_FEATURE_ENABLED([numa]))
532 AM_CONDITIONAL([ENABLE_PYTHON_AGENT], AE_IS_FEATURE_ENABLED([python-agent]))
533 AM_CONDITIONAL([ENABLE_UST_DL], [test "x$ac_cv_have_decl_RTLD_DI_LINKMAP" = "xyes"])
534 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
535 AM_CONDITIONAL([HAVE_CMAKE], [test "x$CMAKE" != "x"])
536 AM_CONDITIONAL([HAVE_CXX], [test "$HAVE_CXX11" = "1"])
537 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
538 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$ac_cv_header_linux_perf_event_h" = "xyes"])
542 ## Substitute variables for use in Makefile.am ##
545 # Library versions for libtool
546 AC_SUBST([LTTNG_UST_LIBRARY_VERSION], ust_lib_version)
547 AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], ust_ctl_lib_version)
549 # Major soname for python-lttngust
550 AC_SUBST([LTTNG_UST_LIB_SONAME_MAJOR], [ust_lib_version_current])
552 AM_CFLAGS="$OPT_CFLAGS $WARN_CFLAGS $URCU_CFLAGS $PTHREAD_CFLAGS"
555 AM_CXXFLAGS="$WARN_CXXFLAGS $URCU_CFLAGS $PTHREAD_CFLAGS"
556 AC_SUBST(AM_CXXFLAGS)
558 # The order in which the include folders are searched is important.
559 # The top_builddir should always be searched first in the event that a build
560 # time generated file is included.
561 AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
562 AC_SUBST(AM_CPPFLAGS)
564 AC_SUBST(JNI_CPPFLAGS)
568 ## Output files generated by configure ##
571 # List of files to be generated from '.in' templates by AC_OUTPUT
574 doc/examples/Makefile
579 src/lib/lttng-ust-common/Makefile
580 src/lib/lttng-ust-ctl/Makefile
581 src/lib/lttng-ust-cyg-profile/Makefile
582 src/lib/lttng-ust-dl/Makefile
583 src/lib/lttng-ust-fd/Makefile
584 src/lib/lttng-ust-fork/Makefile
585 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
586 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
587 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
588 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
589 src/lib/lttng-ust-java-agent/java/Makefile
590 src/lib/lttng-ust-java-agent/jni/common/Makefile
591 src/lib/lttng-ust-java-agent/jni/jul/Makefile
592 src/lib/lttng-ust-java-agent/jni/log4j/Makefile
593 src/lib/lttng-ust-java-agent/jni/Makefile
594 src/lib/lttng-ust-java-agent/Makefile
595 src/lib/lttng-ust-java/Makefile
596 src/lib/lttng-ust-libc-wrapper/Makefile
597 src/lib/lttng-ust-pthread-wrapper/Makefile
598 src/lib/lttng-ust-tracepoint/Makefile
599 src/lib/lttng-ust/Makefile
600 src/lib/lttng-ust-python-agent/Makefile
605 src/python-lttngust/lttngust/version.py
606 src/python-lttngust/Makefile
607 src/python-lttngust/setup.py
608 tests/benchmark/Makefile
609 tests/compile/ctf-types/Makefile
610 tests/compile/hello.cxx/Makefile
611 tests/compile/hello/Makefile
612 tests/compile/hello-many/Makefile
613 tests/compile/Makefile
614 tests/compile/same_line_tracepoint/Makefile
615 tests/compile/test-app-ctx/Makefile
617 tests/unit/gcc-weak-hidden/Makefile
618 tests/unit/libmsgpack/Makefile
619 tests/unit/libringbuffer/Makefile
621 tests/unit/pthread_name/Makefile
622 tests/unit/snprintf/Makefile
623 tests/unit/ust-elf/Makefile
624 tests/unit/ust-error/Makefile
625 tests/unit/ust-utils/Makefile
634 ## Mini-report on what will be built. ##
642 AS_IF([test -n "ust_version_name"], [
643 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"ust_version_name\"$PPRINT_COLOR_RST")
645 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION")
650 AS_IF([test -n "ust_version_description"], [
651 AS_IF([test -n "$FOLD"], [
652 AS_ECHO("`AS_ECHO("ust_version_description") | $FOLD -s`")
654 AS_ECHO("ust_version_description")
659 PPRINT_SUBTITLE([System])
661 PPRINT_PROP_STRING([Target architecture], $host_cpu)
663 AS_IF([test "x$unsupported_arch" = "xyes"],[
664 PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
668 PPRINT_SUBTITLE([Features])
671 test "x$with_sdt" = "xyes" && value=1 || value=0
672 PPRINT_PROP_BOOL_CUSTOM([sdt.h integration], $value, [use --with-sdt])
674 AE_IS_FEATURE_ENABLED([java-agent-jul]) && value=1 || value=0
675 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
677 AE_IS_FEATURE_ENABLED([java-agent-log4j]) && value=1 || value=0
678 PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
680 AE_IS_FEATURE_ENABLED([jni-interface]) && value=1 || value=0
681 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])
683 AE_IS_FEATURE_ENABLED([python-agent]) && value=1 || value=0
684 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
686 test "x$ac_cv_header_linux_perf_event_h" = "xyes" && value=1 || value=0
687 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
689 AE_IS_FEATURE_ENABLED([numa]) && value=1 || value=0
690 PPRINT_PROP_BOOL([NUMA], $value)
695 AE_IS_FEATURE_ENABLED([examples]) && value=1 || value=0
696 PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
698 # man pages build enabled/disabled
699 m4_pushdef([build_man_pages_msg], [Build and install man pages])
701 AE_IF_FEATURE_ENABLED([man-pages], [
703 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
705 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
706 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
708 PPRINT_PROP_STRING([build_man_pages_msg],
709 [${PPRINT_COLOR_BLDGRN}yes (already built)],
710 $PPRINT_COLOR_SUBTITLE)
714 PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
717 m4_popdef([build_man_pages_msg])
721 report_bindir="`eval eval echo $bindir`"
722 report_libdir="`eval eval echo $libdir`"
724 # Print the bindir and libdir this `make install' will install into.
726 PPRINT_SUBTITLE([Install directories])
727 PPRINT_PROP_STRING([Binaries], [$report_bindir])
728 PPRINT_PROP_STRING([Libraries], [$report_libdir])
731 PPRINT_SUBTITLE([System directories])
733 PPRINT_PROP_STRING([lttng-sessiond rundir], [$lttng_system_rundir])
737 AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
740 Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
742 Note that the man pages are already built in this distribution tarball,
743 therefore asciidoc and xmlto are only needed if you intend to modify
746 Use --disable-man-pages to completely disable building and installing
750 # vim: shiftwidth=2 softtabstop=2 expandtab