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"
184 ## C++ compiler checks ##
187 # Find an optional C++11 compiler without GNU extensions (-std=c++11)
188 AX_CXX_COMPILE_STDCXX([11], [noext], [optional])
190 AS_IF([test "$HAVE_CXX11" = "1"], [
191 # Pass -Werror as an extra flag during the test: this is needed to make the
192 # -Wunknown-warning-option diagnostic fatal with clang.
194 AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST -Wno-undef -Wno-duplicated-branches], [WARN_CXXFLAGS], [-Werror])
218 # Check for dlinfo() by testing for RTLD_DI_LINKMAP in dlfcn.h
219 AS_IF([test "x$ac_cv_header_dlfcn_h" = "xyes"], [
220 AC_CHECK_DECL([RTLD_DI_LINKMAP], [], [], [[#include <dlfcn.h>]])
225 ## Programs checks ##
234 AC_CHECK_PROGS([ASCIIDOC], [asciidoc])
235 AC_CHECK_PROGS([CMAKE], [cmake])
236 AC_CHECK_PROGS([FOLD], [fold])
237 AC_CHECK_PROGS([XMLTO], [xmlto])
239 AM_PATH_PYTHON([2.7], [], [PYTHON=""])
241 # Initialize and configure libtool
242 LT_INIT([disable-static])
277 # AC_FUNC_MALLOC causes problems when cross-compiling.
281 # Check for pthread_setname_np and its signature
282 LTTNG_PTHREAD_SETNAME_NP
283 LTTNG_PTHREAD_GETNAME_NP
285 # Check dor dlopen() in -ldl or -lc
286 AC_CHECK_LIB([dl], [dlopen], [
290 # dlopen not found in libdl, check in libc
291 AC_CHECK_LIB([c], [dlopen], [
295 AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
300 # Check if libdl has dlmopen()
301 AC_CHECK_LIB([$libdl_name], [dlmopen], [
302 AC_DEFINE([HAVE_DLMOPEN], [1], [Define to 1 if dlmopen is available.])
305 # Require URCU >= 0.12 for DEFINE_URCU_TLS_INIT
306 PKG_CHECK_MODULES([URCU], [liburcu >= 0.12])
313 # Additional variables captured during ./configure
315 AC_ARG_VAR([CLASSPATH], [Java class path])
319 ## Optionnal features selection ##
323 # Enabled by default, except on some platforms
324 AE_FEATURE_DEFAULT_ENABLE
325 AE_FEATURE([numa],[disable NUMA support])
327 # Java JNI interface library
328 # Disabled by default
329 AE_FEATURE_DEFAULT_DISABLE
330 AE_FEATURE([jni-interface], [build JNI interface between C and Java])
332 # Build the Java Logging API agent
333 # Disabled by default
334 AE_FEATURE_DEFAULT_DISABLE
335 AE_FEATURE([java-agent-jul],[build the LTTng UST Java agent with JUL support])
337 # Build the Java Log4j agent
338 # Disabled by default
339 AE_FEATURE_DEFAULT_DISABLE
340 AE_FEATURE([java-agent-log4j],[build the LTTng UST Java agent with Log4j support])
342 # Build both Java agents
343 # Disabled by default
344 AE_FEATURE_DEFAULT_DISABLE
345 AE_FEATURE([java-agent-all],[build the LTTng UST Java agent with all supported backends])
347 # Build the Python agent
348 # Disabled by default
349 AE_FEATURE_DEFAULT_DISABLE
350 AE_FEATURE([python-agent],[build the LTTng UST Python agent])
353 # Disabled by default
354 AE_FEATURE_DEFAULT_ENABLE
355 AE_FEATURE([examples],[Do not build and install examples])
359 AE_FEATURE_DEFAULT_ENABLE
360 AE_FEATURE([man-pages],[Do not build and install man pages (already built in a distributed tarball)])
362 # Systemtap sdt.h integration
363 # Disabled by default
365 [AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])]
368 # Override the default runtime directory
369 AC_ARG_WITH([lttng-system-rundir], [
370 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".]),
372 lttng_system_rundir="$withval"
374 lttng_system_rundir="/var/run/lttng"
377 # Add the java command line arguments like '--wit-java-prefix'
382 ## Check for conflicting features selection ##
385 AE_IF_FEATURE_DISABLED([shared], [
386 AC_MSG_ERROR(LTTng-UST requires shared libraries to be enabled)
389 AE_IF_FEATURE_ENABLED([java-agent-all], [
390 AE_FEATURE_ENABLE([java-agent-jul])
391 AE_FEATURE_ENABLE([java-agent-log4j])
396 ## Check for optional features dependencies ##
399 # The numa integration requires libnuma
400 AE_IF_FEATURE_ENABLED([numa], [
401 AC_CHECK_LIB([numa], [numa_available], [], [
403 libnuma is not available. Please either install it (e.g. libnuma-dev) or use
404 [LDFLAGS]=-Ldir to specify the right location, or use --disable-numa configure
405 argument to disable NUMA support.
410 # The JNI interface and Java Agents require a working Java JDK
411 AS_IF([AE_IS_FEATURE_ENABLED([jni-interface]) || AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j])], [
416 # Get the CPPFLAGS required to build jni libaries
418 for jni_include_dir in $JNI_INCLUDE_DIRS; do
419 JNI_CPPFLAGS="$JNI_CPPFLAGS -I$jni_include_dir"
422 # Check for javah and jni.h
423 saved_CPPFLAGS="$CPPFLAGS"
424 CPPFLAGS="$CPPFLAGS $JNI_CPPFLAGS"
426 CPPFLAGS="$saved_CPPFLAGS"
429 # The log4j agent requires the log4j jar in the classpath
430 AE_IF_FEATURE_ENABLED([java-agent-log4j], [
431 AX_CHECK_CLASS([org.apache.log4j.Logger])
432 AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
434 The UST Java agent support for log4j was requested but the Log4j classes were
435 not found. Please specify the location of the Log4j jar via the Java CLASSPATH
436 environment variable, e.g. ./configure CLASSPATH="/path/to/log4j.jar"
438 Current CLASSPATH: "$CLASSPATH"
443 # The python agent requires a python interpreter
444 AE_IF_FEATURE_ENABLED([python-agent], [
445 AS_IF([test "x$PYTHON" = "x"], [
447 Cannot find a suitable python interpreter. You can override it with the PYTHON
448 environment variable.
453 # Check for asciidoc and xmlto if we enabled building the man pages.
454 AE_IF_FEATURE_ENABLED([man-pages], [
455 AS_IF([test "x$ASCIIDOC" = "x" || test "x$XMLTO" = "x"], [
457 # This is an error because we're in the Git repo, which
458 # means the man pages are not already generated for us,
459 # thus asciidoc/xmlto are required because we were asked
460 # to build the man pages.
462 Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
463 --disable-man-pages to disable building the man pages, in which case
464 they will not be installed.
467 # Only warn here: since we're in the tarball, the man
468 # pages should already be generated at this point, thus
469 # asciidoc/xmlto are not strictly required.
470 warn_prebuilt_man_pages=yes
473 have_asciidoc_xmlto=yes
477 AS_IF([test "x$with_sdt" = "xyes"], [
478 AC_MSG_CHECKING([STAP_PROBEV()])
479 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
480 #define SDT_USE_VARIADIC
484 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
488 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1], [SystemTap integration via sdt.h])
492 The sdt.h integration was requested but the STAP_PROBEV define cannot be used.
493 Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify
494 a non-standard path to sys/sdt.h
501 ## Set defines for optional features conditionnals in the source code ##
504 AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"], [LTTng system runtime directory])
506 # Defined in include/lttng/ust-version.h
507 AC_DEFINE([LTTNG_UST_MAJOR_VERSION], ust_version_major, [LTTng UST major version])
508 AC_DEFINE([LTTNG_UST_MINOR_VERSION], ust_version_minor, [LTTng UST minor version])
509 AC_DEFINE([LTTNG_UST_PATCHLEVEL_VERSION], ust_version_patch, [LTTng UST patch version])
510 AC_DEFINE([LTTNG_UST_VERSION], ["]ust_version["], [LTTng UST version string])
511 AC_DEFINE([LTTNG_UST_LIB_SONAME_MAJOR], [ust_lib_version_current], [Major SONAME number of liblttng-ust])
512 AC_DEFINE([LTTNG_UST_CTL_LIB_SONAME_MAJOR], [ust_ctl_lib_version_current], [Major SONAME number of liblttng-ust-ctl])
516 ## Set automake variables for optional feature conditionnals in Makefile.am ##
519 AM_CONDITIONAL([ENABLE_EXAMPLES], AE_IS_FEATURE_ENABLED([examples]))
520 AM_CONDITIONAL([ENABLE_GEN_TP_EXAMPLES], [test "x$PYTHON" != "x"])
521 AM_CONDITIONAL([ENABLE_JAVA_AGENT], AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j]))
522 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_JUL], AE_IS_FEATURE_ENABLED([java-agent-jul]))
523 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J], AE_IS_FEATURE_ENABLED([java-agent-log4j]))
524 AM_CONDITIONAL([ENABLE_JNI_INTERFACE], AE_IS_FEATURE_ENABLED([jni-interface]))
525 AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
526 AM_CONDITIONAL([ENABLE_NUMA], AE_IS_FEATURE_ENABLED([numa]))
527 AM_CONDITIONAL([ENABLE_PYTHON_AGENT], AE_IS_FEATURE_ENABLED([python-agent]))
528 AM_CONDITIONAL([ENABLE_UST_DL], [test "x$ac_cv_have_decl_RTLD_DI_LINKMAP" = "xyes"])
529 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
530 AM_CONDITIONAL([HAVE_CMAKE], [test "x$CMAKE" != "x"])
531 AM_CONDITIONAL([HAVE_CXX], [test "$HAVE_CXX11" = "1"])
532 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
533 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$ac_cv_header_linux_perf_event_h" = "xyes"])
537 ## Substitute variables for use in Makefile.am ##
540 # Library versions for libtool
541 AC_SUBST([LTTNG_UST_LIBRARY_VERSION], ust_lib_version)
542 AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], ust_ctl_lib_version)
544 # Major soname for python-lttngust
545 AC_SUBST([LTTNG_UST_LIB_SONAME_MAJOR], [ust_lib_version_current])
547 AM_CFLAGS="$WARN_CFLAGS $URCU_CFLAGS $PTHREAD_CFLAGS"
550 AM_CXXFLAGS="$WARN_CXXFLAGS $URCU_CFLAGS $PTHREAD_CFLAGS"
551 AC_SUBST(AM_CXXFLAGS)
553 # The order in which the include folders are searched is important.
554 # The top_builddir should always be searched first in the event that a build
555 # time generated file is included.
556 AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_builddir)/src -I\$(top_srcdir)/src -include common/config.h"
557 AC_SUBST(AM_CPPFLAGS)
559 AC_SUBST(JNI_CPPFLAGS)
563 ## Output files generated by configure ##
566 # List of files to be generated from '.in' templates by AC_OUTPUT
569 doc/examples/Makefile
574 src/lib/lttng-ust-common/Makefile
575 src/lib/lttng-ust-ctl/Makefile
576 src/lib/lttng-ust-cyg-profile/Makefile
577 src/lib/lttng-ust-dl/Makefile
578 src/lib/lttng-ust-fd/Makefile
579 src/lib/lttng-ust-fork/Makefile
580 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
581 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
582 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
583 src/lib/lttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
584 src/lib/lttng-ust-java-agent/java/Makefile
585 src/lib/lttng-ust-java-agent/jni/common/Makefile
586 src/lib/lttng-ust-java-agent/jni/jul/Makefile
587 src/lib/lttng-ust-java-agent/jni/log4j/Makefile
588 src/lib/lttng-ust-java-agent/jni/Makefile
589 src/lib/lttng-ust-java-agent/Makefile
590 src/lib/lttng-ust-java/Makefile
591 src/lib/lttng-ust-libc-wrapper/Makefile
592 src/lib/lttng-ust-pthread-wrapper/Makefile
593 src/lib/lttng-ust-tracepoint/Makefile
594 src/lib/lttng-ust/Makefile
595 src/lib/lttng-ust-python-agent/Makefile
600 src/python-lttngust/lttngust/version.py
601 src/python-lttngust/Makefile
602 src/python-lttngust/setup.py
603 tests/benchmark/Makefile
604 tests/compile/ctf-types/Makefile
605 tests/compile/hello.cxx/Makefile
606 tests/compile/hello/Makefile
607 tests/compile/hello-many/Makefile
608 tests/compile/Makefile
609 tests/compile/same_line_tracepoint/Makefile
610 tests/compile/test-app-ctx/Makefile
612 tests/unit/gcc-weak-hidden/Makefile
613 tests/unit/libmsgpack/Makefile
614 tests/unit/libringbuffer/Makefile
616 tests/unit/pthread_name/Makefile
617 tests/unit/snprintf/Makefile
618 tests/unit/ust-elf/Makefile
619 tests/unit/ust-error/Makefile
620 tests/unit/ust-utils/Makefile
629 ## Mini-report on what will be built. ##
637 AS_IF([test -n "ust_version_name"], [
638 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"ust_version_name\"$PPRINT_COLOR_RST")
640 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION")
645 AS_IF([test -n "ust_version_description"], [
646 AS_IF([test -n "$FOLD"], [
647 AS_ECHO("`AS_ECHO("ust_version_description") | $FOLD -s`")
649 AS_ECHO("ust_version_description")
654 PPRINT_SUBTITLE([System])
656 PPRINT_PROP_STRING([Target architecture], $host_cpu)
658 AS_IF([test "x$unsupported_arch" = "xyes"],[
659 PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
663 PPRINT_SUBTITLE([Features])
666 test "x$with_sdt" = "xyes" && value=1 || value=0
667 PPRINT_PROP_BOOL_CUSTOM([sdt.h integration], $value, [use --with-sdt])
669 AE_IS_FEATURE_ENABLED([java-agent-jul]) && value=1 || value=0
670 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
672 AE_IS_FEATURE_ENABLED([java-agent-log4j]) && value=1 || value=0
673 PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
675 AE_IS_FEATURE_ENABLED([jni-interface]) && value=1 || value=0
676 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])
678 AE_IS_FEATURE_ENABLED([python-agent]) && value=1 || value=0
679 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
681 test "x$ac_cv_header_linux_perf_event_h" = "xyes" && value=1 || value=0
682 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
684 AE_IS_FEATURE_ENABLED([numa]) && value=1 || value=0
685 PPRINT_PROP_BOOL([NUMA], $value)
690 AE_IS_FEATURE_ENABLED([examples]) && value=1 || value=0
691 PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
693 # man pages build enabled/disabled
694 m4_pushdef([build_man_pages_msg], [Build and install man pages])
696 AE_IF_FEATURE_ENABLED([man-pages], [
698 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
700 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
701 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
703 PPRINT_PROP_STRING([build_man_pages_msg],
704 [${PPRINT_COLOR_BLDGRN}yes (already built)],
705 $PPRINT_COLOR_SUBTITLE)
709 PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
712 m4_popdef([build_man_pages_msg])
716 report_bindir="`eval eval echo $bindir`"
717 report_libdir="`eval eval echo $libdir`"
719 # Print the bindir and libdir this `make install' will install into.
721 PPRINT_SUBTITLE([Install directories])
722 PPRINT_PROP_STRING([Binaries], [$report_bindir])
723 PPRINT_PROP_STRING([Libraries], [$report_libdir])
726 PPRINT_SUBTITLE([System directories])
728 PPRINT_PROP_STRING([lttng-sessiond rundir], [$lttng_system_rundir])
732 AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
735 Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
737 Note that the man pages are already built in this distribution tarball,
738 therefore asciidoc and xmlto are only needed if you intend to modify
741 Use --disable-man-pages to completely disable building and installing
745 # vim: shiftwidth=2 softtabstop=2 expandtab