From 1e864a2f327d0e3be27a79852ecdbdccd1199183 Mon Sep 17 00:00:00 2001
From: David Petkovsek <d.petkovsek@outlook.com>
Date: Tue, 7 Nov 2023 18:19:45 -0500
Subject: [PATCH] Handle _CROW_ILL or _CROW_ICD being NOTFOUND

If the variable is NOTFOUND then set it to "". Then at the end after possible list appends. If the variable is not "" then update the target properties.

This gets rid of a warning
---
 cmake/CrowConfig.cmake.in | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/cmake/CrowConfig.cmake.in b/cmake/CrowConfig.cmake.in
index 6f39c6c99..1a0dddf71 100644
--- a/cmake/CrowConfig.cmake.in
+++ b/cmake/CrowConfig.cmake.in
@@ -28,6 +28,13 @@ check_required_components("@PROJECT_NAME@")
 get_target_property(_CROW_ILL Crow::Crow INTERFACE_LINK_LIBRARIES)
 get_target_property(_CROW_ICD Crow::Crow INTERFACE_COMPILE_DEFINITIONS)
 
+if(_CROW_ILL STREQUAL "_CROW_ILL-NOTFOUND")
+        set(_CROW_ILL "")
+endif()
+if(_CROW_ICD STREQUAL "_CROW_ICD-NOTFOUND")
+        set(_CROW_ICD "")
+endif()
+
 list(REMOVE_ITEM _CROW_ILL "ZLIB::ZLIB" "OpenSSL::SSL")
 list(REMOVE_ITEM _CROW_ICD "CROW_ENABLE_SSL" "CROW_ENABLE_COMPRESSION")
 
@@ -41,7 +48,13 @@ if("ssl" IN_LIST CROW_FEATURES)
   list(APPEND _CROW_ICD "CROW_ENABLE_SSL")
 endif()
 
-set_target_properties(Crow::Crow PROPERTIES
-  INTERFACE_COMPILE_DEFINITIONS "${_CROW_ICD}"
-  INTERFACE_LINK_LIBRARIES "${_CROW_ILL}"
-)
+if( NOT (_CROW_ICD STREQUAL "" ) )
+  set_target_properties(Crow::Crow PROPERTIES
+    INTERFACE_COMPILE_DEFINITIONS "${_CROW_ICD}"
+  )
+endif()
+if( NOT (_CROW_ILL STREQUAL "" ) )
+  set_target_properties(Crow::Crow PROPERTIES
+    INTERFACE_LINK_LIBRARIES "${_CROW_ILL}"
+  )
+endif()