From 3ffc36a3a2d07e2c1e51acfe5e04856f87639488 Mon Sep 17 00:00:00 2001
From: bmagistro <koncept1@gmail.com>
Date: Fri, 14 Feb 2020 17:24:48 -0500
Subject: [PATCH] add option to disable installing g3log for project embedding
 (#333)

---
 CPackLists.txt | 51 ++++++++++++++++++++++++++------------------------
 Options.cmake  |  1 +
 2 files changed, 28 insertions(+), 24 deletions(-)

diff --git a/CPackLists.txt b/CPackLists.txt
index 4b0dd9c..0a94606 100644
--- a/CPackLists.txt
+++ b/CPackLists.txt
@@ -31,34 +31,37 @@ SET(CPACK_PACKAGE_CONTACT "Kjell Hedstrom hedstrom@kjellkoc.cc")
 SET(CPACK_RESOURCE_FILE_LICENSE  ${g3log_SOURCE_DIR}/LICENSE)
 SET(CPACK_PACKAGE_VENDOR "KjellKod")
 
-INSTALL( TARGETS g3logger
-            EXPORT g3logger-targets
-            ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libraries
-            LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libraries
-            RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libraries
-            INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-)
+IF(INSTALL_G3LOG)
+   INSTALL( TARGETS g3logger
+               EXPORT g3logger-targets
+               ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libraries
+               LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libraries
+               RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libraries
+               INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+   )
 
-INSTALL( FILES ${HEADER_FILES}
-            DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/g3log
-            COMPONENT headers)
+   INSTALL( FILES ${HEADER_FILES}
+               DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/g3log
+               COMPONENT headers)
 
-INSTALL(
-   EXPORT g3logger-targets
-   FILE g3loggerTargets.cmake
-   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
-)
+   INSTALL(
+      EXPORT g3logger-targets
+      FILE g3loggerTargets.cmake
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
+   )
 
-CONFIGURE_PACKAGE_CONFIG_FILE(
-   ${PROJECT_SOURCE_DIR}/cmake/g3loggerConfig.cmake
-   ${CMAKE_CURRENT_BINARY_DIR}/g3loggerConfig.cmake
-   INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
-)
+   CONFIGURE_PACKAGE_CONFIG_FILE(
+      ${PROJECT_SOURCE_DIR}/cmake/g3loggerConfig.cmake
+      ${CMAKE_CURRENT_BINARY_DIR}/g3loggerConfig.cmake
+      INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
+   )
+
+   install(
+      FILES ${CMAKE_CURRENT_BINARY_DIR}/g3loggerConfig.cmake
+      DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
+   )
+ENDIF()
 
-install(
-   FILES ${CMAKE_CURRENT_BINARY_DIR}/g3loggerConfig.cmake
-   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/g3logger
-)
 
 SET(CPACK_COMPONENTS_ALL libraries headers)
 SET(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "G3Log libraries")
diff --git a/Options.cmake b/Options.cmake
index 39897bd..457a8f5 100644
--- a/Options.cmake
+++ b/Options.cmake
@@ -147,6 +147,7 @@ IF (MSVC OR MINGW)
 ENDIF (MSVC OR MINGW)
 message( STATUS "\n\n\n" )
 
+option(INSTALL_G3LOG "Enable installation of g3logger. (Projects embedding g3logger may want to turn this OFF.)" ON)