2 m4_define([V_MAJOR], [2])
3 m4_define([V_MINOR], [12])
4 m4_define([V_PATCH], [0])
5 dnl m4_define([V_EXTRA], [])
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 # urcu - check if we just find the headers it out of the box.
253 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
254 This error can also occur when the liburcu package's configure script has not been run.])])
256 # urcu-cds - check that URCU Concurrent Data Structure lib is available to compilation
257 # Part of Userspace RCU library 0.7.2 or better.
258 AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [], [AC_MSG_ERROR([Cannot find
259 liburcu-cds lib, part of Userspace RCU 0.7 or better. Use [LDFLAGS]=-Ldir to specify its location.])])
261 AC_MSG_CHECKING([caa_likely()])
262 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
263 #include <urcu/compiler.h>
273 AC_MSG_ERROR([Please upgrade your version of liburcu to 0.6.6 or better])
276 # urcu - check that URCU lib is available to compilation
277 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.])])
279 # urcu - check that URCU lib is at least version 0.11
280 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.])])
283 AS_IF([test "x$NO_NUMA" = "x1"],[
284 AS_IF([test "x$enable_numa" = "x" ], [enable_numa=no])
287 AC_ARG_ENABLE([numa], [
288 AS_HELP_STRING([--disable-numa], [disable NUMA support])
290 enable_numa=$enableval
295 AS_IF([test "x$enable_numa" = "xyes"], [
296 # numa - check that numa lib is available
297 AC_CHECK_LIB([numa], [numa_available], [],
298 [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.])])
301 AM_CONDITIONAL([HAVE_LIBNUMA], [test "x$have_libnuma" = "xyes"])
303 # optional linux/perf_event.h
304 AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
306 # Perf event counters are supported on all architectures supported by
307 # perf, using the read system call as fallback.
308 AM_CONDITIONAL([HAVE_PERF_EVENT], [test "x$have_perf_event" = "xyes"])
310 AS_IF([test "x$have_perf_event" = "xyes"], [
311 AC_DEFINE([LTTNG_UST_HAVE_PERF_EVENT], [1])
314 AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
315 AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
318 # Check for JNI header files if requested
319 AC_ARG_ENABLE([jni-interface], [
320 AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]])
322 jni_interface=$enableval
327 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])
330 AC_ARG_ENABLE([java-agent-jul], [
331 AS_HELP_STRING([--enable-java-agent-jul], [build the LTTng UST Java agent with JUL support [default=no]])
333 java_agent_jul=$enableval
338 AC_ARG_ENABLE([java-agent-log4j], [
339 AS_HELP_STRING([--enable-java-agent-log4j], [build the LTTng UST Java agent with Log4j support [default=no]])
341 java_agent_log4j=$enableval
346 AC_ARG_ENABLE([java-agent-all], [
347 AS_HELP_STRING([--enable-java-agent-all], [build the LTTng UST Java agent with all supported backends [default=no]])
349 java_agent_jul=$enableval
350 java_agent_log4j=$enableval
353 AM_CONDITIONAL([BUILD_JAVA_AGENT], [test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"])
354 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_JUL], [test "x$java_agent_jul" = "xyes"])
355 AM_CONDITIONAL([BUILD_JAVA_AGENT_WITH_LOG4J], [test "x$java_agent_log4j" = "xyes"])
357 AS_IF([test "x$jni_interface" = "xyes" || test "x$java_agent_jul" = "xyes" || test "x$java_agent_log4j" = "xyes"], [
362 AC_ARG_VAR([CLASSPATH], [Java class path])
365 for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
367 JNI_CPPFLAGS="$JNI_CPPFLAGS -I$JNI_INCLUDE_DIR"
370 saved_CPPFLAGS="$CPPFLAGS"
371 CPPFLAGS="$CPPFLAGS $JNI_CPPFLAGS"
373 CPPFLAGS="$saved_CPPFLAGS"
376 AM_CONDITIONAL([HAVE_JAVAH], [test "x$JAVAH" != "x"])
378 AS_IF([test "x$java_agent_log4j" = "xyes"], [
380 AX_CHECK_CLASS([org.apache.log4j.Logger])
381 AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
382 AC_MSG_ERROR([The UST Java agent support for log4j was requested but the Log4j classes were not found. Please specify the location of the Log4j jar via the Java CLASSPATH e.g: export CLASSPATH="/path/to/log4j.jar"])
386 # Option to build the python agent
387 AC_ARG_ENABLE([python-agent], [
388 AS_HELP_STRING([--enable-python-agent], [build the LTTng UST Python agent [default=no]])
390 python_agent=$enableval
392 AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
393 AS_IF([test "x$python_agent" = "xyes"], [
394 AM_PATH_PYTHON([2.7])
399 AS_HELP_STRING([--with-sdt], [provide SystemTap integration via sdt.h [default=no]])
406 AS_IF([test "x$with_sdt" = "xyes"], [
407 AC_MSG_CHECKING([STAP_PROBEV()])
408 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
409 #define SDT_USE_VARIADIC
413 STAP_PROBEV(provider,name,1,2,3,4,5,6,7,8,9,10);
417 AC_DEFINE([LTTNG_UST_HAVE_SDT_INTEGRATION], [1])
420 AC_MSG_ERROR([The sdt.h integration was requested but the STAP_PROBEV define cannot be used. Make sure it is installed, and up to date, or use CPPFLAGS=-I/path/ to specify a non-standard path to sys/sdt.h])
424 AC_ARG_WITH([lttng-system-rundir], [
425 AS_HELP_STRING([--with-lttng-system-rundir], [Location of the system directory where LTTng-UST expects the system-wide lttng-sessiond runtime files. The default is "/var/run/lttng".]),
427 lttng_system_rundir="$withval"
429 lttng_system_rundir="/var/run/lttng"
431 AC_DEFINE_UNQUOTED([LTTNG_SYSTEM_RUNDIR], ["$lttng_system_rundir"],
432 [LTTng system runtime directory])
434 AC_CHECK_PROG([BUILD_GEN_TP_EXAMPLES], [python], ["yes"])
435 AM_CONDITIONAL([BUILD_GEN_TP_EXAMPLES], [test "x$BUILD_GEN_TP_EXAMPLES" = "xyes"])
437 # Enable building examples
441 [--disable-examples],
442 [Do not build and install examples]
444 [enable_examples=$enableval],
445 [enable_examples=yes]
448 AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" != "xno"])
450 # Set $IN_GIT_REPO if we're in the Git repository; the `bootstrap` file
451 # is not distributed in tarballs.
452 AS_IF([test -f "$srcdir/bootstrap"], [in_git_repo=yes], [in_git_repo=no])
453 AM_CONDITIONAL([IN_GIT_REPO], [test "x$in_git_repo" = "xyes"])
455 # Enable building man pages (user's intention).
459 [--disable-man-pages],
460 [Do not build and install man pages (already built in a distributed tarball)]
462 [man_pages_opt=$enableval],
466 # Check for asciidoc and xmlto if we enabled building the man pages.
467 have_asciidoc_xmlto=no
468 warn_prebuilt_man_pages=no
470 AS_IF([test "x$man_pages_opt" = "xyes"], [
471 AC_PATH_PROG([ASCIIDOC], [asciidoc], [no])
472 AC_PATH_PROG([XMLTO], [xmlto], [no])
474 AS_IF([test "x$ASCIIDOC" = "xno" || test "x$XMLTO" = "xno"], [
475 AS_IF([test "x$in_git_repo" = "xyes"], [
476 # This is an error because we're in the Git repo, which
477 # means the man pages are not already generated for us,
478 # thus asciidoc/xmlto are required because we were asked
479 # to build the man pages.
481 Both asciidoc and xmlto are needed to build the LTTng-UST man pages. Use
482 --disable-man-pages to disable building the man pages, in which case
483 they will not be installed.
486 # Only warn here: since we're in the tarball, the man
487 # pages should already be generated at this point, thus
488 # asciidoc/xmlto are not strictly required.
489 warn_prebuilt_man_pages=yes
492 have_asciidoc_xmlto=yes
496 # Export man page build condition: build the man pages if the user
497 # asked for it, and if the tools are available.
498 AM_CONDITIONAL([MAN_PAGES_OPT], [test "x$man_pages_opt" != "xno"])
499 AM_CONDITIONAL([HAVE_ASCIIDOC_XMLTO], [test "x$have_asciidoc_xmlto" = "xyes"])
502 AC_DEFUN([_AC_DEFINE_AND_SUBST], [
503 AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
508 _AC_DEFINE_AND_SUBST([LTTNG_UST_DEFAULT_CONSTRUCTOR_TIMEOUT_MS], [3000])
512 AC_SUBST(JNI_CPPFLAGS)
517 doc/examples/Makefile
520 include/lttng/ust-version.h
522 libringbuffer/Makefile
523 liblttng-ust-comm/Makefile
524 liblttng-ust/Makefile
525 liblttng-ust-ctl/Makefile
526 liblttng-ust-fork/Makefile
527 liblttng-ust-dl/Makefile
528 liblttng-ust-fd/Makefile
529 liblttng-ust-java/Makefile
530 liblttng-ust-java-agent/Makefile
531 liblttng-ust-java-agent/java/Makefile
532 liblttng-ust-java-agent/java/lttng-ust-agent-all/Makefile
533 liblttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
534 liblttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
535 liblttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
536 liblttng-ust-java-agent/jni/Makefile
537 liblttng-ust-java-agent/jni/common/Makefile
538 liblttng-ust-java-agent/jni/jul/Makefile
539 liblttng-ust-java-agent/jni/log4j/Makefile
540 liblttng-ust-libc-wrapper/Makefile
541 liblttng-ust-cyg-profile/Makefile
542 liblttng-ust-python-agent/Makefile
543 python-lttngust/Makefile
544 python-lttngust/setup.py
545 python-lttngust/lttngust/__init__.py
548 tests/ctf-types/Makefile
550 tests/hello-many/Makefile
551 tests/hello.cxx/Makefile
552 tests/same_line_tracepoint/Makefile
553 tests/snprintf/Makefile
554 tests/ust-elf/Makefile
555 tests/benchmark/Makefile
557 tests/test-app-ctx/Makefile
558 tests/gcc-weak-hidden/Makefile
563 # Create link for python agent for the VPATH guru.
565 python-lttngust/lttngust/agent.py:python-lttngust/lttngust/agent.py
566 python-lttngust/lttngust/cmd.py:python-lttngust/lttngust/cmd.py
567 python-lttngust/lttngust/compat.py:python-lttngust/lttngust/compat.py
568 python-lttngust/lttngust/debug.py:python-lttngust/lttngust/debug.py
569 python-lttngust/lttngust/loghandler.py:python-lttngust/lttngust/loghandler.py
572 AC_CONFIG_FILES([tests/ust-elf/test_ust_elf],[chmod +x tests/ust-elf/test_ust_elf])
578 # Mini-report on what will be built.
586 AS_ECHO("${PPRINT_COLOR_BLDBLU}LTTng-ust $PACKAGE_VERSION \"V_NAME\"$PPRINT_COLOR_RST")
592 PPRINT_SUBTITLE([System])
594 PPRINT_PROP_STRING([Target architecture], $host_cpu)
596 test "x$NO_UNALIGNED_ACCESS" != "x1" && value=1 || value=0
597 PPRINT_PROP_BOOL([Efficient unaligned memory access], $value)
599 AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"],[
600 PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
604 PPRINT_SUBTITLE([Features])
607 test "x$with_sdt" = "xyes" && value=1 || value=0
608 PPRINT_PROP_BOOL_CUSTOM([sdt.h integration], $value, [use --with-sdt])
610 test "x$java_agent_jul" = xyes && value=1 || value=0
611 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
613 test "x$java_agent_log4j" = xyes && value=1 || value=0
614 PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
616 test "x$jni_interface" = xyes && value=1 || value=0
617 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])
619 test "x$python_agent" = xyes && value=1 || value=0
620 PPRINT_PROP_BOOL_CUSTOM([Python agent], $value, [use --enable-python-agent])
622 test "x$have_perf_event" = "xyes" && value=1 || value=0
623 PPRINT_PROP_BOOL_CUSTOM([Perf event integration], $value)
625 test "x$enable_numa" = xyes && value=1 || value=0
626 PPRINT_PROP_BOOL([NUMA], $value)
631 test "x$enable_examples" = xyes && value=1 || value=0
632 PPRINT_PROP_BOOL([Build and install examples], $value, $PPRINT_COLOR_SUBTITLE)
634 # man pages build enabled/disabled
635 m4_pushdef([build_man_pages_msg], [Build and install man pages])
637 AS_IF([test "x$man_pages_opt" != "xno"], [
638 AS_IF([test "x$in_git_repo" = "xyes"], [
639 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
641 AS_IF([test "x$have_asciidoc_xmlto" = "xyes"], [
642 PPRINT_PROP_BOOL([build_man_pages_msg], 1, $PPRINT_COLOR_SUBTITLE)
644 PPRINT_PROP_STRING([build_man_pages_msg],
645 [${PPRINT_COLOR_BLDGRN}yes (already built)],
646 $PPRINT_COLOR_SUBTITLE)
650 PPRINT_PROP_BOOL([build_man_pages_msg], 0, $PPRINT_COLOR_SUBTITLE)
653 m4_popdef([build_man_pages_msg])
657 report_bindir="`eval eval echo $bindir`"
658 report_libdir="`eval eval echo $libdir`"
660 # Print the bindir and libdir this `make install' will install into.
662 PPRINT_SUBTITLE([Install directories])
663 PPRINT_PROP_STRING([Binaries], [$report_bindir])
664 PPRINT_PROP_STRING([Libraries], [$report_libdir])
667 PPRINT_SUBTITLE([System directories])
669 PPRINT_PROP_STRING([lttng-sessiond rundir], [$lttng_system_rundir])
673 AS_IF([test "x$warn_prebuilt_man_pages" = "xyes" ], [
675 PPRINT_WARN([Both asciidoc and xmlto are needed to build the LTTng-UST man pages.
677 Note that the man pages are already built in this distribution tarball,
678 therefore asciidoc and xmlto are only needed if you intend to modify
681 Use --disable-man-pages to completely disable building and installing