From a24899bf2dcd58916922d671ee8761448b6876e5 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Tue, 20 Apr 2021 19:50:34 +0200
Subject: Look for PostgreSQL library properly and fix CI

---
 src/CMakeLists.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 16b5bf991..f70e77dcc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -146,7 +146,16 @@ option(ENABLE_POSTGRESQL "Enable PostgreSQL backend" TRUE)
 set(USE_POSTGRESQL FALSE)
 
 if(ENABLE_POSTGRESQL)
-	find_package("PostgreSQL")
+	if(CMAKE_VERSION VERSION_LESS "3.20")
+		find_package(PostgreSQL QUIET)
+		# Before CMake 3.20 FindPostgreSQL.cmake always looked for server includes
+		# but we don't need them, so continue anyway if only those are missing.
+		if(PostgreSQL_INCLUDE_DIR AND PostgreSQL_LIBRARY)
+			set(PostgreSQL_FOUND TRUE)
+		endif()
+	else()
+		find_package(PostgreSQL)
+	endif()
 
 	if(PostgreSQL_FOUND)
 		set(USE_POSTGRESQL TRUE)
-- 
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