From 12dd45e17c286f08c0ccc68d4d4c0ea089bc7a5a Mon Sep 17 00:00:00 2001
From: Funda Wang <fundawang@yeah.net>
Date: Tue, 30 Dec 2025 09:33:00 +0800
Subject: [PATCH] use GNUInstallDirs for installation

---
 CMakeLists.txt     | 5 +++--
 src/CMakeLists.txt | 7 ++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0f913fca..6cd59f2d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,7 @@ set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR})
 if (NOT CMAKE_BUILD_TYPE)
     set_property(CACHE CMAKE_BUILD_TYPE PROPERTY VALUE Release)
 endif()
+include(GNUInstallDirs)
 
 option(BUILD_SHARED_LIBS "Make library a shared library instead of static." ON)
 option(BUILD_TESTING "Build test harnesses along with library." ON)
@@ -92,9 +93,9 @@ if (NOT GRAPHITE2_NFILEFACE)
 endif()
 
 set(version 3.0.1)
-set(libdir ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX})
+set(libdir ${CMAKE_INSTALL_FULL_LIBDIR})
 set(includedir ${CMAKE_INSTALL_PREFIX}/include)
 
 configure_file(graphite2.pc.in graphite2.pc)
 
-install(FILES ${PROJECT_BINARY_DIR}/graphite2.pc DESTINATION lib${LIB_SUFFIX}/pkgconfig)
+install(FILES ${PROJECT_BINARY_DIR}/graphite2.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 76177edb..24ccf563 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,6 +11,7 @@ set(GRAPHITE_VERSION ${GRAPHITE_API_CURRENT}.${GRAPHITE_API_REVISION}.${GRAPHITE
 set(GRAPHITE_SO_VERSION ${GRAPHITE_API_CURRENT})
 
 include(TestBigEndian)
+include(GNUInstallDirs)
 
 include_directories(${PROJECT_SOURCE_DIR})
 
@@ -112,7 +113,7 @@ if  (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     endif ()
     set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
     if (BUILD_SHARED_LIBS)
-        CREATE_LIBTOOL_FILE(graphite2 "/lib${LIB_SUFFIX}")
+        CREATE_LIBTOOL_FILE(graphite2 "/${CMAKE_INSTALL_LIBDIR}")
     endif()
 endif()
 
@@ -131,7 +132,7 @@ if  (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
     endif ()
     set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
     if (BUILD_SHARED_LIBS)
-        CREATE_LIBTOOL_FILE(graphite2 "/lib${LIB_SUFFIX}")
+        CREATE_LIBTOOL_FILE(graphite2 "/${CMAKE_INSTALL_LIBDIR}")
     endif()
 endif()
 
@@ -141,5 +142,5 @@ if  (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
 endif()
 
 
-install(TARGETS graphite2 EXPORT graphite2 LIBRARY DESTINATION lib${LIB_SUFFIX} ARCHIVE DESTINATION lib${LIB_SUFFIX} PUBLIC_HEADER DESTINATION include/graphite2 RUNTIME DESTINATION bin)
+install(TARGETS graphite2 EXPORT graphite2 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} PUBLIC_HEADER DESTINATION include/graphite2 RUNTIME DESTINATION bin)
 install(EXPORT graphite2 DESTINATION share/graphite2 NAMESPACE gr2_)