cmake CMAKE_SYSTEM_PREFIX_PATH examples

gnss-sdr/gnss-sdr cmake/Modules/FindGOOGLETEST.cmake :44 

find_path(LIBGTEST_DEV_DIR
    NAMES src/gtest-all.cc
    PATHS
        ${GTEST_DIR_USER_PROVIDED}
        ${GTEST_DIR_USER_PROVIDED}/googletest
        /usr/src/googletest/googletest
        /usr/src/gtest
        ${GNSSSDR_INCLUDE_PATHS}/gtest
        ${GNSSSDR_INCLUDE_PATHS}/googletest
        ${CMAKE_SYSTEM_PREFIX_PATH}/src/googletest/googletest
        ${CMAKE_SYSTEM_PREFIX_PATH}/src/gtest-1.7.0
        ${CMAKE_SYSTEM_PREFIX_PATH}/opt/googletest/include/googletest/googletest
)

NVIDIA/DALI cmake/Dependencies.common.cmake :103 

find_library(libsnd_LIBS
          NAMES sndfile libsndfile
          PATHS ${LIBSND_ROOT_DIR} "/usr/local" ${CMAKE_SYSTEM_PREFIX_PATH}
          PATH_SUFFIXES lib lib64)

Amber-MD/cpptraj cmake-cpptraj/BuildSystemInit.cmake :24 

list(REMOVE_ITEM CMAKE_SYSTEM_PREFIX_PATH "${CMAKE_INSTALL_PREFIX}")

MobilityDB/MobilityDB cmake/FindDocBook.cmake :8 

find_path(DOCBOOK_DTD
  docbookx.dtd
  PATHS ${CMAKE_SYSTEM_PREFIX_PATH} ${DOCBOOK_ROOT} ENV DOCBOOK_ROOT
  PATH_SUFFIXES
    share/xml/docbook/schema/dtd/4.5
    docbook-dtd
    share/sgml/docbook/xml-dtd-4.5)

NCAR/ParallelIO cmake/LibFind.cmake :222 

list (APPEND SEARCH_DIRS ${CMAKE_SYSTEM_PREFIX_PATH})