This file is indexed.

/usr/lib/x86_64-linux-gnu/cmake/ignition-math2/ignition-math2-config.cmake is in libignition-math2-dev 2.9.0+dfsg1-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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if (IGNITION-MATH_CONFIG_INCLUDED)
  return()
endif()
set(IGNITION-MATH_CONFIG_INCLUDED TRUE)

list(APPEND IGNITION-MATH_INCLUDE_DIRS "/usr/include/ignition/math2")

list(APPEND IGNITION-MATH_LIBRARY_DIRS "/usr/lib/x86_64-linux-gnu")

list(APPEND IGNITION-MATH_CXX_FLAGS -std=c++11)
if ("${CMAKE_CXX_COMPILER_ID} " MATCHES "Clang ")
  set(IGNITION-MATH_CXX_FLAGS "${IGNITION-MATH_CXX_FLAGS} -stdlib=libc++")
endif ()

# On windows we produce .dll libraries with no prefix
if (WIN32)
 set(CMAKE_FIND_LIBRARY_PREFIXES "")
 set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib" ".dll")
endif()

foreach(lib ignition-math2)
  set(onelib "${lib}-NOTFOUND")
  find_library(onelib ${lib}
    PATHS "/usr/lib/x86_64-linux-gnu"
    NO_DEFAULT_PATH
    )
  if(NOT onelib)
    message(FATAL_ERROR "Library '${lib}' in package IGNITION-MATH is not installed properly")
  endif()
  list(APPEND IGNITION-MATH_LIBRARIES ${onelib})
endforeach()

foreach(dep )
  if(NOT ${dep}_FOUND)
    find_package(${dep} REQUIRED)
  endif()
  list(APPEND IGNITION-MATH_INCLUDE_DIRS "${${dep}_INCLUDE_DIRS}")
  list(APPEND IGNITION-MATH_LIBRARIES "${${dep_lib}_LIBRARIES}")
endforeach()

list(APPEND IGNITION-MATH_LDFLAGS "-L/usr/lib/x86_64-linux-gnu")