From d47864dedf5f33a5721cf4668c138825770cc0ef Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Thu, 17 Jun 2021 16:59:40 +0300
Subject: [PATCH] mdbx-cmake: use `GNUInstallDirs` variables for all cases.

Resolves https://github.com/erthink/libmdbx/issues/209.
---
 .github/actions/spelling/expect.txt |  1 +
 CMakeLists.txt                      | 44 ++++++++++++++---------------
 2 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
index 61ea4fb9..a8284d57 100644
--- a/.github/actions/spelling/expect.txt
+++ b/.github/actions/spelling/expect.txt
@@ -681,6 +681,7 @@ img
 impl
 IMPLIB
 inblock
+INCLUDEDIR
 indx
 INDXSIZE
 ini
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dfff4a37..a36c0ba8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -670,34 +670,34 @@ endif()
 # mdbx-shared-lib installation
 if(NOT DEFINED MDBX_DLL_INSTALL_DESTINATION)
   if(WIN32)
-    set(MDBX_DLL_INSTALL_DESTINATION bin)
+    set(MDBX_DLL_INSTALL_DESTINATION ${CMAKE_INSTALL_BINDIR})
   else()
-    set(MDBX_DLL_INSTALL_DESTINATION lib)
+    set(MDBX_DLL_INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR})
   endif()
 endif()
 if(MDBX_BUILD_SHARED_LIBRARY)
   if(CMAKE_VERSION VERSION_LESS 3.12)
     install(TARGETS mdbx EXPORT libmdbx
       LIBRARY DESTINATION ${MDBX_DLL_INSTALL_DESTINATION} COMPONENT runtime
-      OBJECTS DESTINATION lib COMPONENT devel
-      ARCHIVE DESTINATION lib COMPONENT devel
-      PUBLIC_HEADER DESTINATION include COMPONENT devel
-      INCLUDES DESTINATION include COMPONENT devel)
+      OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
   else()
     install(TARGETS mdbx EXPORT libmdbx
       LIBRARY DESTINATION ${MDBX_DLL_INSTALL_DESTINATION} COMPONENT runtime
       NAMELINK_COMPONENT devel
-      OBJECTS DESTINATION lib COMPONENT devel
-      ARCHIVE DESTINATION lib COMPONENT devel
-      PUBLIC_HEADER DESTINATION include COMPONENT devel
-      INCLUDES DESTINATION include COMPONENT devel)
+      OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
   endif()
 endif(MDBX_BUILD_SHARED_LIBRARY)
 
 # mdbx-tools installation
 if(MDBX_BUILD_TOOLS)
   if(NOT DEFINED MDBX_TOOLS_INSTALL_DESTINATION)
-    set(MDBX_TOOLS_INSTALL_DESTINATION bin)
+    set(MDBX_TOOLS_INSTALL_DESTINATION ${CMAKE_INSTALL_BINDIR})
   endif()
   install(
     TARGETS
@@ -712,7 +712,7 @@ if(MDBX_BUILD_TOOLS)
     COMPONENT runtime)
   if(MDBX_INSTALL_MANPAGES)
     if(NOT DEFINED MDBX_MAN_INSTALL_DESTINATION)
-      set(MDBX_MAN_INSTALL_DESTINATION man/man1)
+      set(MDBX_MAN_INSTALL_DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
     endif()
     install(
       FILES
@@ -731,19 +731,19 @@ endif(MDBX_BUILD_TOOLS)
 if(MDBX_INSTALL_STATIC)
   if(CMAKE_VERSION VERSION_LESS 3.12)
     install(TARGETS mdbx-static EXPORT libmdbx
-      LIBRARY DESTINATION lib COMPONENT devel
-      OBJECTS DESTINATION lib COMPONENT devel
-      ARCHIVE DESTINATION lib COMPONENT devel
-      PUBLIC_HEADER DESTINATION include COMPONENT devel
-      INCLUDES DESTINATION include COMPONENT devel)
+      LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
   else()
     install(TARGETS mdbx-static EXPORT libmdbx
-      LIBRARY DESTINATION lib COMPONENT devel
+      LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
       NAMELINK_COMPONENT devel
-      OBJECTS DESTINATION lib COMPONENT devel
-      ARCHIVE DESTINATION lib COMPONENT devel
-      PUBLIC_HEADER DESTINATION include COMPONENT devel
-      INCLUDES DESTINATION include COMPONENT devel)
+      OBJECTS DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT devel
+      PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel
+      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
   endif()
 endif(MDBX_INSTALL_STATIC)