From e8f52f0b4eecd35384412a65bd869e0071980ced Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Thu, 27 Mar 2025 01:57:20 +0100
Subject: [PATCH] cm: add target prop processor logic

---
 CMakeLists.txt | 52 ++++++++++++++++++++++++++++++++++----------------
 1 file changed, 36 insertions(+), 16 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d6e7ca3e6..db99075b75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2252,7 +2252,41 @@ if(NOT CURL_DISABLE_INSTALL)
     endif()
   endforeach()
 
-  foreach(_libdir IN LISTS _custom_libdirs CURL_LIBDIRS)
+  set(_explicit_libs "")
+  set(_explicit_libdirs "")
+  set(LIBCURL_PC_REQUIRES_PRIVATE "")
+  foreach(_lib IN LISTS CURL_LIBS)
+    if(TARGET "${_lib}")
+      get_target_property(_imported "${_lib}" IMPORTED)
+      if(NOT _imported)
+        # Reading the LOCATION property on non-imported target will error out.
+        # Assume the user will not need this information in the .pc file.
+        continue()
+      endif()
+      get_target_property(_libname "${_lib}" LOCATION)
+      if(_libname)
+        list(APPEND _explicit_libs "${_libname}")
+      else()
+        get_target_property(_libs "${_lib}" INTERFACE_LINK_LIBRARIES)
+        if(_libs)
+          list(APPEND _explicit_libs "${_libs}")
+        endif()
+        get_target_property(_libdirs "${_lib}" INTERFACE_LINK_DIRECTORIES)
+        if(_libdirs)
+          list(APPEND _explicit_libdirs "${_libdirs}")
+        endif()
+      endif()
+      if(NOT _libname AND NOT _libs AND NOT _libdirs)
+        message(WARNING "Bad lib in library list: ${_lib}")
+      endif()
+      get_target_property(_modules "${_lib}" LIBCURL_PC_MODULES)
+      if(_modules)
+        list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "${_modules}")
+      endif()
+    endif()
+  endforeach()
+
+  foreach(_libdir IN LISTS _custom_libdirs _explicit_libdirs)
     if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.20)
       cmake_path(SET _libdir NORMALIZE "${_libdir}")
     endif()
@@ -2267,21 +2301,7 @@ if(NOT CURL_DISABLE_INSTALL)
     set(_implicit_libs "${CMAKE_C_IMPLICIT_LINK_LIBRARIES}")
   endif()
 
-  foreach(_lib IN LISTS _implicit_libs _custom_libs CURL_LIBS)
-    if(TARGET "${_lib}")
-      set(_libname "${_lib}")
-      get_target_property(_imported "${_libname}" IMPORTED)
-      if(NOT _imported)
-        # Reading the LOCATION property on non-imported target will error out.
-        # Assume the user will not need this information in the .pc file.
-        continue()
-      endif()
-      get_target_property(_lib "${_libname}" LOCATION)
-      if(NOT _lib)
-        message(WARNING "Bad lib in library list: ${_libname}")
-        continue()
-      endif()
-    endif()
+  foreach(_lib IN LISTS _implicit_libs _custom_libs _explicit_libs)
     if(_lib MATCHES "^-")  # '-framework <name>'
       list(APPEND _ldflags "${_lib}")
     elseif(_lib MATCHES "/")