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Add version check to Findfmt

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This commit is contained in:
Markus Wick 2020-05-09 11:32:52 +02:00
parent ef1f596595
commit 0e2a7ca91b
1 changed files with 26 additions and 0 deletions
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26
externals/find-modules/Findfmt.cmake vendored
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@ -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
)