From a64b26c6e5c6c49e5842280a8690ec0d31832ce8 Mon Sep 17 00:00:00 2001
From: Andreas Sturmlechner <asturm@gentoo.org>
Date: Sun, 7 Mar 2021 18:20:11 +0100
Subject: [PATCH] Use GNUInstallDirs, add ENABLE_EXAMPLES option

---
 CMakeLists.txt                  | 17 +++++++++++------
 reduze/CMakeLists.txt           |  2 +-
 tools/reduze1to2/CMakeLists.txt |  2 +-
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e6207bd..a0cab4b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,11 +29,10 @@
 # - 'make package_source' creates the source tarball
 # - 'make doc'            creates the source code documentation using Doxygen
 
-message (STATUS "Configuring package Reduze")
-cmake_minimum_required (VERSION 2.6)
+cmake_minimum_required (VERSION 2.8.12)
 
 project (Reduze)
-list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake-modules")
+set (CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake-modules")
 include (GetGitRevisionDescription)
 #git_describe_new (GIT_TAG)
 git_describe(GIT_TAG)
@@ -76,6 +75,9 @@ if (NOT HAVE_TUTORIAL_PDF)
    message (FATAL_ERROR "File ${TUTORIAL_PDF} not found")
 endif (NOT HAVE_TUTORIAL_PDF)
 
+include(GNUInstallDirs)
+
+option (ENABLE_EXAMPLES "Install tools, examples" ON)
 
 # include configured file with git tag in source package
 # NOTE1: make sure to build before pack (make; make package_source) !
@@ -89,9 +91,12 @@ add_subdirectory ("reduze")
 add_subdirectory ("tools/reduze1to2")
 add_subdirectory ("check")
 add_subdirectory ("doc/code")
-install (FILES "doc/tutorial/reduze2-tutorial.pdf" DESTINATION share/reduze/tutorial)
-install (FILES "tools/reduze-mma.m" DESTINATION share/reduze/tools)
-install (DIRECTORY "example" DESTINATION share/reduze PATTERN ".git" EXCLUDE)
+install (FILES "doc/tutorial/reduze2-tutorial.pdf" DESTINATION ${CMAKE_INSTALL_DOCDIR})
+
+if (ENABLE_EXAMPLES)
+  install (FILES "tools/reduze-mma.m" DESTINATION ${CMAKE_INSTALL_DOCDIR}/examples)
+  install (DIRECTORY "example" DESTINATION ${CMAKE_INSTALL_DOCDIR}/examples PATTERN ".git" EXCLUDE)
+endif ()
 
 include (CPack)
 
diff --git a/reduze/CMakeLists.txt b/reduze/CMakeLists.txt
index b296081..a76c307 100644
--- a/reduze/CMakeLists.txt
+++ b/reduze/CMakeLists.txt
@@ -201,5 +201,5 @@ target_link_libraries (reduze yaml-cpp)
 # installation
 #------------------------------------------------------------------------------
 
-install (TARGETS reduze DESTINATION bin)
+install (TARGETS reduze DESTINATION ${CMAKE_INSTALL_BINDIR})
 
diff --git a/tools/reduze1to2/CMakeLists.txt b/tools/reduze1to2/CMakeLists.txt
index d1d4bd5..4822910 100644
--- a/tools/reduze1to2/CMakeLists.txt
+++ b/tools/reduze1to2/CMakeLists.txt
@@ -9,6 +9,6 @@ add_executable (reduze1to2 ${reduze1to2_SOURCES})
 
 set (CMAKE_CXX_FLAGS "-Wall -pedantic -Wno-long-long")
 
-install (TARGETS reduze1to2 DESTINATION bin)
+install (TARGETS reduze1to2 DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 message (STATUS "Added build target 'reduze1to2'")
-- 
2.30.1