Backport two commits to fix detection of newer fmt.


Index: patches/patch-cmake_FindFmt_cmake
===================================================================
RCS file: patches/patch-cmake_FindFmt_cmake
diff -N patches/patch-cmake_FindFmt_cmake
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ patches/patch-cmake_FindFmt_cmake	7 Jul 2024 03:00:02 -0000
@@ -0,0 +1,32 @@
+- build: Try harder to determine FMT_VERSION (#1478)
+  71f772e9d3d4f8045cfa7bccd03bd21c1e8fbef1
+- build: Fix detection of Fmt version for Fmt<11
+  3b09afc5f792f0bd0a15cf6b8408ea40eb069787
+
+Index: cmake/FindFmt.cmake
+--- cmake/FindFmt.cmake.orig
++++ cmake/FindFmt.cmake
+@@ -3,11 +3,20 @@ mark_as_advanced(FMT_INCLUDE_DIR FMT_LIBRARY)
+ if(DEP_FMT STREQUAL "BUNDLED")
+   message(STATUS "Using bundled Fmt as requested")
+ else()
+-  find_path(FMT_INCLUDE_DIR fmt/core.h)
++  find_path(FMT_INCLUDE_DIR NAMES fmt/base.h fmt/core.h)
+   find_library(FMT_LIBRARY fmt)
+   if(FMT_INCLUDE_DIR AND FMT_LIBRARY)
+-    file(READ "${FMT_INCLUDE_DIR}/fmt/core.h" _fmt_core_h)
+-    string(REGEX MATCH "#define FMT_VERSION ([0-9]+)" _ "${_fmt_core_h}")
++    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")