diff -ruN json-c-0.18-20240915/CMakeLists.txt json-c-0.18-20240915-banan_os/CMakeLists.txt
--- json-c-0.18-20240915/CMakeLists.txt	2024-09-15 19:22:45.000000000 +0300
+++ json-c-0.18-20240915-banan_os/CMakeLists.txt	2026-03-25 02:59:13.104155305 +0200
@@ -571,7 +571,7 @@
     set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
     install(FILES ${PROJECT_BINARY_DIR}/json-c.pc DESTINATION "${INSTALL_PKGCONFIG_DIR}")
 
-install(FILES ${JSON_C_PUBLIC_HEADERS} DESTINATION ${CMAKE_INSTALL_FULL_INCLUDEDIR}/json-c)
+install(FILES ${JSON_C_PUBLIC_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/json-c)
 
 if (CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND BUILD_TESTING AND
    (NOT MSVC OR NOT (MSVC_VERSION LESS 1800)) # Tests need at least VS2013