From f0175c69e216545ff543b1f46870d1c1a27aa5f0 Mon Sep 17 00:00:00 2001
From: Vollstrecker <werner@vollstreckernet.de>
Date: Mon, 2 Dec 2024 15:09:17 +0100
Subject: [PATCH] CMake: Add INSTALL_INTERFACE for a proper export.

---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index efa0ef4a..3b24374a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,7 +96,8 @@ if(ZLIB_BUILD_SHARED)
         $<$<OR:$<BOOL:${WIN32}>,$<BOOL:${CYGWIN}>>:win32/zlib1.rc>)
     target_include_directories(zlib PUBLIC
         $<BUILD_INTERFACE:${zlib_BINARY_DIR}>
-        $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>)
+        $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
     target_compile_definitions(zlib
         PRIVATE
             $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>
@@ -129,7 +130,8 @@ if(ZLIB_BUILD_STATIC)
         ${ZLIB_PRIVATE_HDRS})
     target_include_directories(zlibstatic PUBLIC
         $<BUILD_INTERFACE:${zlib_BINARY_DIR}>
-        $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>)
+        $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
     target_compile_definitions(zlibstatic
         PRIVATE
             $<$<BOOL:NOT:${HAVE_FSEEKO}>:NO_FSEEKO>