From d53f6e220d0d437925a818632ac84b606a740959 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Tue, 23 Jul 2019 11:13:40 +0200
Subject: Provide a more sensible CMAKE_INSTALL_PREFIX default

Summary: If no prefix is passed, use ECM's by default, instead of defaulting to /usr/local which isn't optimal in any case.

Reviewers: cgiboudeaux

Reviewed By: cgiboudeaux

Subscribers: cgiboudeaux, kde-frameworks-devel, kde-buildsystem

Tags: #frameworks, #build_system

Differential Revision: https://phabricator.kde.org/D22676
---
 ECMConfig.cmake.in               | 2 ++
 kde-modules/KDEInstallDirs.cmake | 5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ECMConfig.cmake.in b/ECMConfig.cmake.in
index cea6e802..a518f953 100644
--- a/ECMConfig.cmake.in
+++ b/ECMConfig.cmake.in
@@ -6,6 +6,8 @@ set(ECM_MODULE_DIR "@PACKAGE_MODULES_INSTALL_DIR@")
 
 set(ECM_KDE_MODULE_DIR "@PACKAGE_KDE_MODULES_INSTALL_DIR@")
 
+set(ECM_PREFIX "${PACKAGE_PREFIX_DIR}")
+
 set(ECM_MODULE_PATH "${ECM_MODULE_DIR}" "${ECM_FIND_MODULE_DIR}" "${ECM_KDE_MODULE_DIR}")
 
 set(ECM_GLOBAL_FIND_VERSION "${ECM_FIND_VERSION}")
diff --git a/kde-modules/KDEInstallDirs.cmake b/kde-modules/KDEInstallDirs.cmake
index 4e520377..a5b81708 100644
--- a/kde-modules/KDEInstallDirs.cmake
+++ b/kde-modules/KDEInstallDirs.cmake
@@ -426,7 +426,10 @@ if(APPLE)
         BUNDLE_INSTALL_DIR)
 endif()
 
-
+# Only supported since cmake 3.7
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    set(CMAKE_INSTALL_PREFIX "${ECM_PREFIX}" CACHE PATH "Install path prefix" FORCE)
+endif()
 
 _define_absolute(EXECROOTDIR ""
     "executables and libraries"
-- 
cgit v1.2.1