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mark_as_advanced(FMT_INCLUDE_DIR FMT_LIBRARY)
if(DEPS STREQUAL "DOWNLOAD" OR DEP_FMT STREQUAL "BUNDLED")
message(STATUS "Using bundled Fmt as requested")
else()
find_path(FMT_INCLUDE_DIR NAMES fmt/base.h fmt/core.h)
find_library(FMT_LIBRARY fmt)
if(FMT_INCLUDE_DIR AND FMT_LIBRARY)
if(EXISTS "${FMT_INCLUDE_DIR}/fmt/base.h")
set(_fmt_h base.h)
else()
set(_fmt_h core.h)
endif()
file(READ "${FMT_INCLUDE_DIR}/fmt/${_fmt_h}" _fmt_h_content)
string(REGEX MATCH "#define FMT_VERSION ([0-9]+)" _ "${_fmt_h_content}")
if("${CMAKE_MATCH_0}" STREQUAL "")
message(FATAL_ERROR "FMT_VERSION not found")
return()
endif()
math(EXPR _fmt_major "${CMAKE_MATCH_1} / 10000")
math(EXPR _fmt_minor "${CMAKE_MATCH_1} / 100 % 100")
math(EXPR _fmt_patch "${CMAKE_MATCH_1} % 100")
set(_fmt_version_string "${_fmt_major}.${_fmt_minor}.${_fmt_patch}")
if(NOT "${CMAKE_MATCH_0}" STREQUAL "" AND "${_fmt_version_string}" VERSION_GREATER_EQUAL "${Fmt_FIND_VERSION}")
message(STATUS "Using system Fmt (${FMT_LIBRARY})")
add_library(dep_fmt UNKNOWN IMPORTED)
set_target_properties(
dep_fmt
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${FMT_INCLUDE_DIR}"
IMPORTED_LOCATION "${FMT_LIBRARY}"
)
register_dependency(Fmt "SYSTEM (${FMT_LIBRARY})" "${_fmt_version_string}")
endif()
endif()
if(NOT TARGET dep_fmt)
message(STATUS "Using bundled Fmt since Fmt>=${Fmt_FIND_VERSION} was not found locally")
endif()
endif()
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