From 3533ad9f6435d6d99f38aeaf511186d5a08ceef0 Mon Sep 17 00:00:00 2001
From: Jordan Williams <jwillikers@protonmail.com>
Date: Fri, 10 Jan 2020 13:14:39 -0600
Subject: [PATCH] add installation components

CMake can now install specific sub-components when installing.
This gives parent projects and users greater control over which parts of the library to install.
---
 CMakeLists.txt     | 16 ++++++++--------
 doc/CMakeLists.txt |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b4ec0a7..3704f3da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -247,20 +247,20 @@ if (FMT_INSTALL)
   # Install version, config and target files.
   install(
     FILES ${project_config} ${version_config}
-    DESTINATION ${FMT_CMAKE_DIR})
+    DESTINATION ${FMT_CMAKE_DIR} COMPONENT FMT_Development)
   install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR}
-          NAMESPACE fmt::)
+          NAMESPACE fmt:: COMPONENT FMT_Development)
 
   # Install the library and headers.
   install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name}
-          LIBRARY DESTINATION ${FMT_LIB_DIR}
-          ARCHIVE DESTINATION ${FMT_LIB_DIR}
-          RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+          LIBRARY DESTINATION ${FMT_LIB_DIR} COMPONENT FMT_Runtime
+	  ARCHIVE DESTINATION ${FMT_LIB_DIR} COMPONENT FMT_Development
+	  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT FMT_Runtime)
 
   install(FILES $<TARGET_PDB_FILE:${INSTALL_TARGETS}>
-          DESTINATION ${FMT_LIB_DIR} OPTIONAL)
-  install(FILES ${FMT_HEADERS} DESTINATION ${FMT_INC_DIR})
-  install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}")
+          DESTINATION ${FMT_LIB_DIR} OPTIONAL COMPONENT FMT_Development)
+  install(FILES ${FMT_HEADERS} DESTINATION ${FMT_INC_DIR} COMPONENT FMT_Development)
+  install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}" COMPONENT FMT_Development)
 endif ()
 
 if (FMT_DOC)
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index f3dae606..156f8c79 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -9,4 +9,4 @@ add_custom_target(doc
   SOURCES api.rst syntax.rst usage.rst build.py conf.py _templates/layout.html)
 
 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html/
-        DESTINATION share/doc/fmt OPTIONAL)
+        DESTINATION share/doc/fmt OPTIONAL COMPONENT FMT_Documentation)