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Diffstat (limited to 'src/ceph/cmake/modules/FindLTTngUST.cmake')
| -rw-r--r-- | src/ceph/cmake/modules/FindLTTngUST.cmake | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/ceph/cmake/modules/FindLTTngUST.cmake b/src/ceph/cmake/modules/FindLTTngUST.cmake new file mode 100644 index 0000000..ac8f14c --- /dev/null +++ b/src/ceph/cmake/modules/FindLTTngUST.cmake @@ -0,0 +1,111 @@ +#.rst: +# FindLTTngUST +# ------------ +# +# This module finds the `LTTng-UST <http://lttng.org/>`__ library. +# +# Imported target +# ^^^^^^^^^^^^^^^ +# +# This module defines the following :prop_tgt:`IMPORTED` target: +# +# ``LTTng::UST`` +# The LTTng-UST library, if found +# +# Result variables +# ^^^^^^^^^^^^^^^^ +# +# This module sets the following +# +# ``LTTNGUST_FOUND`` +# ``TRUE`` if system has LTTng-UST +# ``LTTNGUST_INCLUDE_DIRS`` +# The LTTng-UST include directories +# ``LTTNGUST_LIBRARIES`` +# The libraries needed to use LTTng-UST +# ``LTTNGUST_VERSION_STRING`` +# The LTTng-UST version +# ``LTTNGUST_HAS_TRACEF`` +# ``TRUE`` if the ``tracef()`` API is available in the system's LTTng-UST +# ``LTTNGUST_HAS_TRACELOG`` +# ``TRUE`` if the ``tracelog()`` API is available in the system's LTTng-UST + +#============================================================================= +# Copyright 2016 Kitware, Inc. +# Copyright 2016 Philippe Proulx <pproulx@efficios.com> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +find_path(LTTNGUST_INCLUDE_DIRS NAMES lttng/tracepoint.h) +find_library(LTTNGUST_LIBRARIES NAMES lttng-ust) + +if(LTTNGUST_INCLUDE_DIRS AND LTTNGUST_LIBRARIES) + # find tracef() and tracelog() support + set(LTTNGUST_HAS_TRACEF 0) + set(LTTNGUST_HAS_TRACELOG 0) + + if(EXISTS "${LTTNGUST_INCLUDE_DIRS}/lttng/tracef.h") + set(LTTNGUST_HAS_TRACEF TRUE) + endif() + + if(EXISTS "${LTTNGUST_INCLUDE_DIRS}/lttng/tracelog.h") + set(LTTNGUST_HAS_TRACELOG TRUE) + endif() + + # get version + set(lttngust_version_file "${LTTNGUST_INCLUDE_DIRS}/lttng/ust-version.h") + + if(EXISTS "${lttngust_version_file}") + file(STRINGS "${lttngust_version_file}" lttngust_version_major_string + REGEX "^[\t ]*#define[\t ]+LTTNG_UST_MAJOR_VERSION[\t ]+[0-9]+[\t ]*$") + file(STRINGS "${lttngust_version_file}" lttngust_version_minor_string + REGEX "^[\t ]*#define[\t ]+LTTNG_UST_MINOR_VERSION[\t ]+[0-9]+[\t ]*$") + file(STRINGS "${lttngust_version_file}" lttngust_version_patch_string + REGEX "^[\t ]*#define[\t ]+LTTNG_UST_PATCHLEVEL_VERSION[\t ]+[0-9]+[\t ]*$") + string(REGEX REPLACE ".*([0-9]+).*" "\\1" + lttngust_v_major "${lttngust_version_major_string}") + string(REGEX REPLACE ".*([0-9]+).*" "\\1" + lttngust_v_minor "${lttngust_version_minor_string}") + string(REGEX REPLACE ".*([0-9]+).*" "\\1" + lttngust_v_patch "${lttngust_version_patch_string}") + set(LTTNGUST_VERSION_STRING + "${lttngust_v_major}.${lttngust_v_minor}.${lttngust_v_patch}") + unset(lttngust_version_major_string) + unset(lttngust_version_minor_string) + unset(lttngust_version_patch_string) + unset(lttngust_v_major) + unset(lttngust_v_minor) + unset(lttngust_v_patch) + endif() + + unset(lttngust_version_file) + + if(NOT TARGET LTTng::UST) + add_library(LTTng::UST UNKNOWN IMPORTED) + set_target_properties(LTTng::UST PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${LTTNGUST_INCLUDE_DIRS}" + INTERFACE_LINK_LIBRARIES ${CMAKE_DL_LIBS} + IMPORTED_LINK_INTERFACE_LANGUAGES "C" + IMPORTED_LOCATION "${LTTNGUST_LIBRARIES}") + endif() + + # add libdl to required libraries + set(LTTNGUST_LIBRARIES ${LTTNGUST_LIBRARIES} ${CMAKE_DL_LIBS}) +endif() + +# handle the QUIETLY and REQUIRED arguments and set LTTNGUST_FOUND to +# TRUE if all listed variables are TRUE +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LTTngUST FOUND_VAR LTTNGUST_FOUND + REQUIRED_VARS LTTNGUST_LIBRARIES + LTTNGUST_INCLUDE_DIRS + VERSION_VAR LTTNGUST_VERSION_STRING) +mark_as_advanced(LTTNGUST_LIBRARIES LTTNGUST_INCLUDE_DIRS) |