From 2dc73d239a42218fcf4de7b21f2898f0935b96b1 Mon Sep 17 00:00:00 2001
From: nia <29542929+alarixnia@users.noreply.github.com>
Date: Sun, 26 Sep 2021 16:04:30 +0000
Subject: [PATCH] Use CMake's GNUInstallDirs for install directories on Unix
 (#11636)

This makes the installation process honor system-specific
directories (e.g. ${PREFIX}/man instead of ${PREFIX}/share/man on
BSD).
---
 CMakeLists.txt | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1995f34b8..e542d3509 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,15 +135,16 @@ elseif(UNIX) # Linux, BSD etc
 		set(ICONDIR "unix/icons")
 		set(LOCALEDIR "locale")
 	else()
-		set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}")
-		set(BINDIR "${CMAKE_INSTALL_PREFIX}/bin")
-		set(DOCDIR "${CMAKE_INSTALL_PREFIX}/share/doc/${PROJECT_NAME}")
-		set(MANDIR "${CMAKE_INSTALL_PREFIX}/share/man")
+		include(GNUInstallDirs)
+		set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")
+		set(BINDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}")
+		set(DOCDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DOCDIR}")
+		set(MANDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_MANDIR}")
 		set(EXAMPLE_CONF_DIR ${DOCDIR})
-		set(XDG_APPS_DIR "${CMAKE_INSTALL_PREFIX}/share/applications")
-		set(APPDATADIR "${CMAKE_INSTALL_PREFIX}/share/metainfo")
-		set(ICONDIR "${CMAKE_INSTALL_PREFIX}/share/icons")
-		set(LOCALEDIR "${CMAKE_INSTALL_PREFIX}/share/locale")
+		set(XDG_APPS_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/applications")
+		set(APPDATADIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/metainfo")
+		set(ICONDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/icons")
+		set(LOCALEDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LOCALEDIR}")
 	endif()
 endif()