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fix libfmt version probe with libfmt < 11 (#7772)

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niol
2025-11-12 23:31:40 +01:00
committed by GitHub
parent ceb12b8c61
commit db290f954b
1 changed files with 7 additions and 2 deletions
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9
cmake/FindFmt.cmake
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@@ -6,8 +6,13 @@ target_include_directories(fmt::fmt-header-only
INTERFACE
${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE})
file(READ "${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE}/fmt/base.h" _FMT_BASE_H)
if(_FMT_BASE_H MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])")
set(_FMT_VERSION_H_PATH "${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE}/fmt/base.h")
if(NOT EXISTS "${_FMT_VERSION_H_PATH}")
# fmt < 11
set(_FMT_VERSION_H_PATH "${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE}/fmt/core.h")
endif()
file(READ "${_FMT_VERSION_H_PATH}" _FMT_VERSION_H)
if(_FMT_VERSION_H MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])")
# Use math to skip leading zeros if any.
math(EXPR _FMT_VERSION_MAJOR ${CMAKE_MATCH_1})
math(EXPR _FMT_VERSION_MINOR ${CMAKE_MATCH_2})