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macro(to_yes_no vars)
foreach(var ${ARGV})
if(${var})
set(${var} "yes")
else()
set(${var} "no ")
endif()
endforeach()
endmacro()
macro(if_empty_print_missing vars)
foreach(var ${ARGV})
if(NOT ${var})
set(${var} "<not set>")
endif()
endforeach()
endmacro()
function(to_space_list sc_list)
set(ret)
foreach(val ${${sc_list}})
set(ret "${ret} ${val}")
endforeach()
if(ret)
string(STRIP ${ret} ret)
set(${sc_list} "${ret}" PARENT_SCOPE)
endif()
endfunction()
macro(find_pkg_config prefix pkgname)
find_package(PkgConfig ${ARGV2})
if(PKG_CONFIG_FOUND)
pkg_check_modules(${prefix}_PKGCONF ${ARGV2} ${pkgname})
if(${${prefix}_PKGCONF_FOUND})
message(STATUS "${pkgname} library dirs: ${${prefix}_PKGCONF_LIBRARY_DIRS}")
message(STATUS "${pkgname} cflags: ${${prefix}_PKGCONF_CFLAGS_OTHER}")
message(STATUS "${pkgname} include dirs: ${${prefix}_PKGCONF_INCLUDE_DIRS}")
message(STATUS "${pkgname} libraries: ${${prefix}_PKGCONF_LIBRARIES}")
message(STATUS "${pkgname} ldflags: ${${prefix}_PKGCONF_LDFLAGS_OTHER}")
set(${prefix}_FOUND ${${prefix}_PKGCONF_FOUND})
set(${prefix}_CFLAGS ${${prefix}_PKGCONF_CFLAGS_OTHER})
to_space_list(${prefix}_CFLAGS)
set(${prefix}_INCLUDE_DIRS ${${prefix}_PKGCONF_INCLUDE_DIRS})
foreach(lib ${${prefix}_PKGCONF_LIBRARIES})
string(TOUPPER ${lib} LIB)
find_library(${prefix}_${LIB}_LIBRARY ${lib}
HINTS ${${prefix}_PKGCONF_LIBRARY_DIRS})
mark_as_advanced(${prefix}_${LIB}_LIBRARY)
list(APPEND ${prefix}_LIBRARIES ${${prefix}_${LIB}_LIBRARY})
endforeach()
list(APPEND ${prefix}_LIBRARIES ${${prefix}_PKGCONF_LDFLAGS_OTHER})
endif()
endif()
endmacro()
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