fmt-native is needed to build ccache-native, and the compile fails on
hosts with GCC 9.4 (such as Ubuntu 20.04).  Backport a patch to fix this
issue.

Signed-off-by: Ross Burton <[email protected]>
---
 .../recipes-devtools/fmt/files/fix-gcc9.patch | 26 +++++++++++++++++++
 meta/recipes-devtools/fmt/fmt_11.1.1.bb       |  3 ++-
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-devtools/fmt/files/fix-gcc9.patch

diff --git a/meta/recipes-devtools/fmt/files/fix-gcc9.patch 
b/meta/recipes-devtools/fmt/files/fix-gcc9.patch
new file mode 100644
index 00000000000..1d67f7094de
--- /dev/null
+++ b/meta/recipes-devtools/fmt/files/fix-gcc9.patch
@@ -0,0 +1,26 @@
+From 5f0572acdca120e11f6d810765d7a6a3c593fcbb Mon Sep 17 00:00:00 2001
+From: Victor Zverovich <[email protected]>
+Date: Sat, 18 Jan 2025 09:00:22 -0800
+Subject: [PATCH] Workaround a compilation error on gcc 9.4
+
+Upstream-Status: Backport [5f0572acdca120e11f6d810765d7a6a3c593fcbb]
+Signed-off-by: Ross Burton <[email protected]>
+---
+ include/fmt/format.h | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/include/fmt/format.h b/include/fmt/format.h
+index 9cd523a9e6a5..4466b4f4d24b 100644
+--- a/include/fmt/format.h
++++ b/include/fmt/format.h
+@@ -227,7 +227,9 @@ FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) 
{
+ #if defined(FMT_USE_STRING_VIEW)
+ template <typename Char> using std_string_view = std::basic_string_view<Char>;
+ #else
+-template <typename T> struct std_string_view {};
++template <typename Char> struct std_string_view {
++  operator basic_string_view<Char>() const;
++};
+ #endif
+ 
+ template <typename Char, Char... C> struct string_literal {
diff --git a/meta/recipes-devtools/fmt/fmt_11.1.1.bb 
b/meta/recipes-devtools/fmt/fmt_11.1.1.bb
index a99a377ad4a..cfacd81a11a 100644
--- a/meta/recipes-devtools/fmt/fmt_11.1.1.bb
+++ b/meta/recipes-devtools/fmt/fmt_11.1.1.bb
@@ -4,7 +4,8 @@ HOMEPAGE = "https://fmt.dev";
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=b9257785fc4f3803a4b71b76c1412729"
 
-SRC_URI = "git://github.com/fmtlib/fmt;branch=master;protocol=https"
+SRC_URI = "git://github.com/fmtlib/fmt;branch=master;protocol=https \
+           file://fix-gcc9.patch"
 SRCREV = "e3ddede6c4ee818825c4e5a6dfa1d384860c27d9"
 
 S = "${WORKDIR}/git"
-- 
2.43.0

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