ceph/cmake/modules/Findgperftools.cmake
Kefu Chai 8db629a14b cmake: import allocator libraries in a better way
* instead expose the paths, it'd better to expose a library target.
* remove HAVE_LIBJEMALLOC, as it not used anywhere.

Signed-off-by: Kefu Chai <kchai@redhat.com>
2018-07-26 15:16:48 +08:00

77 lines
3.0 KiB
CMake

# Try to find gperftools
# Once done, this will define
#
# gperftools_FOUND - system has Profiler
# GPERFTOOLS_INCLUDE_DIR - the Profiler include directories
# Tcmalloc_INCLUDE_DIR - where to find Tcmalloc.h
# GPERFTOOLS_TCMALLOC_LIBRARY - link it to use tcmalloc
# GPERFTOOLS_TCMALLOC_MINIMAL_LIBRARY - link it to use tcmalloc_minimal
# GPERFTOOLS_PROFILER_LIBRARY - link it to use Profiler
# TCMALLOC_VERSION_STRING
# TCMALLOC_VERSION_MAJOR
# TCMALLOC_VERSION_MINOR
# TCMALLOC_VERSION_PATCH
find_path(GPERFTOOLS_INCLUDE_DIR gperftools/profiler.h
HINTS $ENV{GPERF_ROOT}/include)
find_path(Tcmalloc_INCLUDE_DIR gperftools/tcmalloc.h
HINTS $ENV{GPERF_ROOT}/include)
if(Tcmalloc_INCLUDE_DIR AND EXISTS "${Tcmalloc_INCLUDE_DIR}/gperftools/tcmalloc.h")
foreach(ver "MAJOR" "MINOR" "PATCH")
file(STRINGS "${Tcmalloc_INCLUDE_DIR}/gperftools/tcmalloc.h" TC_VER_${ver}_LINE
REGEX "^#define[ \t]+TC_VERSION_${ver}[ \t]+[^ \t]+$")
string(REGEX REPLACE "^#define[ \t]+TC_VERSION_${ver}[ \t]+(\".)?([0-9]*)\"?$"
"\\2" TCMALLOC_VERSION_${ver} "${TC_VER_${ver}_LINE}")
unset(TC_VER_${ver}_LINE)
endforeach()
set(TCMALLOC_VERSION_STRING "${TCMALLOC_VERSION_MAJOR}.${TCMALLOC_VERSION_MINOR}")
if(NOT TCMALLOC_VERSION_PATCH STREQUAL "")
set(TCMALLOC_VERSION_STRING "${TCMALLOC_VERSION_STRING}.${TCMALLOC_VERSION_PATCH}")
endif()
endif()
foreach(component tcmalloc tcmalloc_minimal profiler)
string(TOUPPER ${component} COMPONENT)
find_library(GPERFTOOLS_${COMPONENT}_LIBRARY ${component}
HINTS $ENV{GPERF_ROOT}/lib)
list(APPEND GPERFTOOLS_LIBRARIES GPERFTOOLS_${COMPONENT}_LIBRARY)
endforeach()
set(_gperftools_FIND_REQUIRED_VARS "GPERFTOOLS_INCLUDE_DIR")
if(gperftools_FIND_COMPONENTS)
foreach(component ${gperftools_FIND_COMPONENTS})
string(TOUPPER ${component} COMPONENT)
list(APPEND _gperftools_FIND_REQUIRED_VARS "GPERFTOOLS_${COMPONENT}_LIBRARY")
endforeach()
else()
list(APPEND _gperftools_FIND_REQUIRED_VARS "GPERFTOOLS_LIBRARIES")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(gperftools
FOUND_VAR gperftools_FOUND
REQUIRED_VARS ${_gperftools_FIND_REQUIRED_VARS}
VERSION_VAR TCMALLOC_VERSION_STRING)
mark_as_advanced(${GPERFTOOLS_LIBRARIES} GPERFTOOLS_INCLUDE_DIR)
if(gperftools_FOUND)
foreach(component tcmalloc tcmalloc_minimal profiler)
if(NOT (TARGET gperftools::${component}))
string(TOUPPER ${component} COMPONENT)
add_library(gperftools::${component} UNKNOWN IMPORTED)
set_target_properties(gperftools::${component} PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${GPERFTOOLS_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
IMPORTED_LOCATION "${GPERFTOOLS_${COMPONENT}_LIBRARY}")
endif()
endforeach()
foreach(component tcmalloc tcmalloc_minimal)
if(NOT (TARGET gperftools::${component}))
set_target_properties(gperftools::${component} PROPERTIES
INTERFACE_COMPILE_OPTIONS "-fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free")
endif()
endforeach()
endif()