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cmake: locate tcmalloc via gperftools header and library #473

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cmake: locate tcmalloc via gperftools header and library #473

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12 changes: 9 additions & 3 deletions cmake/Findtcmalloc.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,12 @@
# TCMALLOC_LIBRARY_DIRS (not cached)
# PPROF_EXECUTABLE

find_path(TCMALLOC_INCLUDE_DIR google/tcmalloc.h)
# BioDynaMo only links against tcmalloc and never includes its headers, so the
# include directory is not required for the package to be considered found. We
# still try to locate a header to use as a hint for finding the pprof binary.
# Modern gperftools ships <gperftools/tcmalloc.h>; the legacy <google/tcmalloc.h>
# path has been deprecated for years but is kept as a fallback.
find_path(TCMALLOC_INCLUDE_DIR NAMES gperftools/tcmalloc.h google/tcmalloc.h)
foreach(component tcmalloc profiler)
find_library(TCMALLOC_${component}_LIBRARY NAMES ${component})
mark_as_advanced(TCMALLOC_${component}_LIBRARY)
Expand All @@ -25,9 +30,10 @@ set(TCMALLOC_INCLUDE_DIRS ${TCMALLOC_INCLUDE_DIR})
set(TCMALLOC_LIBRARIES ${TCMALLOC_tcmalloc_LIBRARY} ${TCMALLOC_profiler_LIBRARY})

# handle the QUIETLY and REQUIRED arguments and set TCMALLOC_FOUND to TRUE if
# all listed variables are TRUE
# all listed variables are TRUE. Detection is based on the library alone, since
# the headers are not needed to build BioDynaMo.
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(tcmalloc DEFAULT_MSG TCMALLOC_INCLUDE_DIR TCMALLOC_LIBRARIES)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(tcmalloc DEFAULT_MSG TCMALLOC_LIBRARIES)

mark_as_advanced(TCMALLOC_FOUND TCMALLOC_INCLUDE_DIR PPROF_EXECUTABLE)

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