From b8e9f786b7b68e342f64320554f66d4c273e31b6 Mon Sep 17 00:00:00 2001
From: Hannah Rittich <hrittich@users.noreply.github.com>
Date: Sun, 3 Oct 2021 19:18:43 +0200
Subject: [PATCH]  Allow to find packages in namespaces

---
 CMakeLists.txt                  | 12 +++++++++---
 iconengineplugin/CMakeLists.txt |  6 +++++-
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27ff402..39e0c0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,9 +25,15 @@ set(CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES
 set(CONFIGURATION_PACKAGE_SUFFIX_QTFORKAWESOME
     "${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES}"
     CACHE STRING "sets the suffix for qtforkawesome")
-find_package(c++utilities${CONFIGURATION_PACKAGE_SUFFIX} 5.5.0 REQUIRED)
-find_package(qtutilities${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES} 6.3.0 REQUIRED)
+set(PACKAGE_NAMESPACE
+    ""
+    CACHE STRING "sets the namespace (prefix) for find_package() calls to packages configured via c++utilities")
+if (PACKAGE_NAMESPACE)
+  set(PACKAGE_NAMESPACE_PREFIX "${PACKAGE_NAMESPACE}-")
+endif ()
+find_package(${PACKAGE_NAMESPACE_PREFIX}c++utilities${CONFIGURATION_PACKAGE_SUFFIX} 5.5.0 REQUIRED)
+find_package(${PACKAGE_NAMESPACE_PREFIX}qtutilities${CONFIGURATION_PACKAGE_SUFFIX_QTUTILITIES} 6.3.0 REQUIRED)
 
 add_subdirectory(${META_PROJECT_NAME})
-set(${META_PROJECT_NAME}${CONFIGURATION_PACKAGE_SUFFIX_QTFORKAWESOME}_DIR "${CMAKE_CURRENT_BINARY_DIR}/${META_PROJECT_NAME}")
+set(${PACKAGE_NAMESPACE_PREFIX}${META_PROJECT_NAME}${CONFIGURATION_PACKAGE_SUFFIX_QTFORKAWESOME}_DIR "${CMAKE_CURRENT_BINARY_DIR}/${META_PROJECT_NAME}")
 add_subdirectory(iconengineplugin)
diff --git a/iconengineplugin/CMakeLists.txt b/iconengineplugin/CMakeLists.txt
index bb484f7..15b9033 100644
--- a/iconengineplugin/CMakeLists.txt
+++ b/iconengineplugin/CMakeLists.txt
@@ -13,8 +13,12 @@ set(SRC_FILES iconengine.cpp main.cpp)
 use_cpp_utilities(ONLY_HEADERS VISIBILITY PUBLIC)
 use_qt_utilities(ONLY_HEADERS VISIBILITY PRIVATE)
 
+if (NAMESPACE)
+  set(NAMESPACE_PREFIX "${NAMESPACE}-")
+endif ()
+
 # use main qtforkawesome library
-find_package(qtforkawesome${CONFIGURATION_PACKAGE_SUFFIX_QTFORKAWESOME} ${META_APP_VERSION} REQUIRED)
+find_package(${NAMESPACE_PREFIX}qtforkawesome${CONFIGURATION_PACKAGE_SUFFIX_QTFORKAWESOME} ${META_APP_VERSION} REQUIRED)
 use_qt_fork_awesome()
 
 # use Qt Gui module