From eb7fcc9564236df8ee231475c3bff2e8c443ded0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Dumas?=
 <jdumas@users.noreply.github.com>
Date: Mon, 17 Nov 2025 10:42:12 -0800
Subject: [PATCH] Fix conditional compilation for getenv function

---
 include/spdlog/details/os-inl.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index 3b116830..a8cc97a7 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -567,7 +567,8 @@ SPDLOG_INLINE filename_t dir_name(const filename_t &path) {
     #pragma warning(disable : 4996)
 #endif  // _MSC_VER
 std::string SPDLOG_INLINE getenv(const char *field) {
-#if defined(_MSC_VER) && (WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP)
+#if defined(_MSC_VER) && defined(WINAPI_FAMILY) && defined(WINAPI_FAMILY_DESKTOP_APP) && \
+    (WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP)
     return std::string{};  // not supported under uwp
 #else
     char *buf = std::getenv(field);