From e418579ab7ca891a807e38b4bc0d91fcaeabde26 Mon Sep 17 00:00:00 2001
From: Andrew Slabko <andrew@slabko.com>
Date: Tue, 9 Dec 2025 11:59:08 +0100
Subject: [PATCH] Keep absl API available in the shared library

---
 clickhouse/CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/clickhouse/CMakeLists.txt b/clickhouse/CMakeLists.txt
index 7669420a..de026aa1 100644
--- a/clickhouse/CMakeLists.txt
+++ b/clickhouse/CMakeLists.txt
@@ -109,6 +109,17 @@ SET_TARGET_PROPERTIES (clickhouse-cpp-lib
     LINKER_LANGUAGE CXX
     VERSION ${CLICKHOUSE_CPP_VERSION}
 )
+
+IF (BUILD_SHARED_LIBS AND NOT WITH_SYSTEM_ABSEIL)
+    GET_TARGET_PROPERTY(absl_orignal_lib absl::int128 ALIASED_TARGET)
+    SET_PROPERTY (TARGET ${absl_orignal_lib} PROPERTY POSITION_INDEPENDENT_CODE ON)
+    TARGET_LINK_LIBRARIES (clickhouse-cpp-lib
+        -Wl,--whole-archive
+        absl::int128
+        -Wl,--no-whole-archive
+    )
+ENDIF()
+
 TARGET_LINK_LIBRARIES (clickhouse-cpp-lib
     absl::int128
     cityhash::cityhash