From 6eb127694cf6f92a23909b79ddd28542cec1642d Mon Sep 17 00:00:00 2001
From: Matthias Peschke <mpeschke@physnet.uni-hamburg.de>
Date: Mon, 3 Jan 2022 15:31:44 +0100
Subject: [PATCH 1/2] Guard all install commands with if(NOT
 TERMCOLOR_SUBPROJECT) to get rid of install calls when termcolor is used as a
 subproject.

---
 CMakeLists.txt | 51 ++++++++++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 22 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e0bfcd6..196f224 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,9 @@
 cmake_minimum_required(VERSION 3.0)
+
+if(DEFINED PROJECT_NAME)
+  set(TERMCOLOR_SUBPROJECT ON)
+endif()
+
 project(termcolor)
 
 #
@@ -29,30 +34,32 @@ endif()
 # install
 #
 
-include(CMakePackageConfigHelpers)
+if(NOT TERMCOLOR_SUBPROJECT)
+  include(CMakePackageConfigHelpers)
 
-# Installation paths
-include(GNUInstallDirs)
+  # Installation paths
+  include(GNUInstallDirs)
 
-configure_package_config_file(
-  cmake/config.cmake.in
-  ${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config.cmake
-  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+  configure_package_config_file(
+    cmake/config.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+  
+  install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
 
-install(
-  FILES ${CMAKE_CURRENT_BINARY_DIR}/generated/${PROJECT_NAME}-config.cmake
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+  install(
+    DIRECTORY include/
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
-install(
-  DIRECTORY include/
-  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+  install(
+    TARGETS ${PROJECT_NAME}
+    EXPORT ${PROJECT_NAME}-targets
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
-install(
-  TARGETS ${PROJECT_NAME}
-  EXPORT ${PROJECT_NAME}-targets
-  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-
-install(
-  EXPORT ${PROJECT_NAME}-targets
-  NAMESPACE ${PROJECT_NAME}::
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+  install(
+    EXPORT ${PROJECT_NAME}-targets
+    NAMESPACE ${PROJECT_NAME}::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+endif()

From 8e13acb92dae2e864937ab45303aed675247ba14 Mon Sep 17 00:00:00 2001
From: Matthias Peschke <mpeschke@physnet.uni-hamburg.de>
Date: Mon, 3 Oct 2022 10:50:41 +0200
Subject: [PATCH 2/2] Use CMAKE_CURRENT_SOURCE_DIR vs CMAKE_SOURCE_DIR to
 determine if termcolor is processed as a subproject.

---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 196f224..a507446 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,9 @@
 cmake_minimum_required(VERSION 3.0)
 
-if(DEFINED PROJECT_NAME)
-  set(TERMCOLOR_SUBPROJECT ON)
+if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+  set(TERMCOLOR_SUBPROJECT OFF)
+else()
+  set(TERMCOLOR_SUBPROJECT OFF)
 endif()
 
 project(termcolor)