diff --git a/externals/find-modules/Findfmt.cmake b/externals/find-modules/Findfmt.cmake index e0a04a3446..8ba51cbea2 100644 --- a/externals/find-modules/Findfmt.cmake +++ b/externals/find-modules/Findfmt.cmake @@ -13,12 +13,38 @@ find_library(fmt_LIBRARY PATHS ${PC_fmt_LIBRARY_DIRS} ${CONAN_LIB_DIRS_fmt} ) +if(fmt_INCLUDE_DIR) + set(_fmt_version_file "${fmt_INCLUDE_DIR}/core.h") + if(NOT EXISTS "${_fmt_version_file}") + set(_fmt_version_file "${fmt_INCLUDE_DIR}/format.h") + endif() + if(EXISTS "${_fmt_version_file}") + # parse "#define FMT_VERSION 60200" to 6.2.0 + file(STRINGS "${_fmt_version_file}" fmt_VERSION_LINE + REGEX "^#define[ \t]+FMT_VERSION[ \t]+[0-9]+$") + string(REGEX REPLACE "^#define[ \t]+FMT_VERSION[ \t]+([0-9]+)$" + "\\1" fmt_VERSION "${fmt_VERSION_LINE}") + foreach(ver "fmt_VERSION_PATCH" "fmt_VERSION_MINOR" "fmt_VERSION_MAJOR") + math(EXPR ${ver} "${fmt_VERSION} % 100") + math(EXPR fmt_VERSION "(${fmt_VERSION} - ${${ver}}) / 100") + endforeach() + set(fmt_VERSION + "${fmt_VERSION_MAJOR}.${fmt_VERSION_MINOR}.${fmt_VERSION_PATCH}") + endif() + unset(_fmt_version_file) + unset(fmt_VERSION_LINE) + unset(fmt_VERSION_MAJOR) + unset(fmt_VERSION_MINOR) + unset(fmt_VERSION_PATCH) +endif() + include(FindPackageHandleStandardArgs) find_package_handle_standard_args(fmt FOUND_VAR fmt_FOUND REQUIRED_VARS fmt_LIBRARY fmt_INCLUDE_DIR + fmt_VERSION VERSION_VAR fmt_VERSION )