From 3065f106e3aba67552c8577004c4baed44f317f4 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Tue, 20 Aug 2024 23:10:31 +0200
Subject: [PATCH] build: add `iphlpapi` lib for libssh on Windows

vcpkg doesn't need it because it fixes this with a libssh patch.
All other Windows builds need it.

(autotools build not tested.)

Closes #14618
---
 CMake/FindLibssh.cmake | 4 ++++
 configure.ac           | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/CMake/FindLibssh.cmake b/CMake/FindLibssh.cmake
index a9cb0f5ac7..e9c55f1597 100644
--- a/CMake/FindLibssh.cmake
+++ b/CMake/FindLibssh.cmake
@@ -87,3 +87,7 @@ else()
 
   mark_as_advanced(LIBSSH_INCLUDE_DIR LIBSSH_LIBRARY)
 endif()
+
+if(LIBSSH_FOUND AND WIN32)
+  list(APPEND LIBSSH_LIBRARIES "iphlpapi")  # for if_nametoindex
+endif()
diff --git a/configure.ac b/configure.ac
index da636b446b..a6fe3e955e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2348,6 +2348,10 @@ elif test X"$OPT_LIBSSH" != Xno; then
   fi
 
   if test "$LIBSSH_ENABLED" = "1"; then
+    if test "$curl_cv_native_windows" = "yes"; then
+      dnl for if_nametoindex
+      LIBS="-liphlpapi $LIBS"
+    fi
     if test -n "$DIR_SSH"; then
        dnl when the libssh shared libs were found in a path that the run-time
        dnl linker doesn't search through, we need to add it to CURL_LIBRARY_PATH
-- 
2.47.3