From ddba0731c54e3fc437887372c9fcf10f2d163ad8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?=
 <jeanmichael.celerier@gmail.com>
Date: Sat, 16 Aug 2025 10:58:50 -0400
Subject: [PATCH] cmake: allow to disable install and additional targets

---
 CMakeLists.txt             | 23 ++++++++++++++++-------
 cmake/LSLCMake.cmake       |  4 ++++
 cmake/ProjectOptions.cmake |  2 ++
 3 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c4e0dea1..d45b28e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,15 +16,24 @@ include(cmake/Dependencies.cmake)  #
 include(cmake/SourceFiles.cmake)  #
 include(cmake/TargetObjLib.cmake)  #
 include(cmake/TargetLib.cmake)  #
-include(cmake/Installation.cmake)  #
-include(cmake/TargetOther.cmake)
+
+if(LSL_INSTALL)
+  include(cmake/Installation.cmake)  #
+endif()
+
+if(LSL_ADDITIONAL_TARGETS)
+  include(cmake/TargetOther.cmake)
+endif()
 
 if(LSL_UNITTESTS)
 	add_subdirectory(testing)
 endif()
 
-# Config for packaging
-# TODO: Config for packaging for the library itself is likely to diverge from config for packing applications. e.g.,
-# -> Optionally install to system directories
-# -> Apple Framework -- different installer type; uses entitlements
-LSLGenerateCPackConfig()
+
+if(LSL_INSTALL)
+  # Config for packaging
+  # TODO: Config for packaging for the library itself is likely to diverge from config for packing applications. e.g.,
+  # -> Optionally install to system directories
+  # -> Apple Framework -- different installer type; uses entitlements
+  LSLGenerateCPackConfig()
+endif()
diff --git a/cmake/LSLCMake.cmake b/cmake/LSLCMake.cmake
index f64b001b..61abc419 100644
--- a/cmake/LSLCMake.cmake
+++ b/cmake/LSLCMake.cmake
@@ -90,6 +90,10 @@ endfunction()
 # After the target, additional libraries to install alongside the target can be
 # specified, e.g. 	installLSLApp(FooApp libXY libZ)
 function(installLSLApp target)
+	if(NOT LSL_INSTALL)
+		return()
+	endif()
+
 	get_target_property(TARGET_LIBRARIES ${target} LINK_LIBRARIES)
 	string(REGEX MATCH ";Qt[56]?::" qtapp ";${TARGET_LIBRARIES}")
 	if(qtapp)
diff --git a/cmake/ProjectOptions.cmake b/cmake/ProjectOptions.cmake
index 48f4c565..d1f97d7e 100644
--- a/cmake/ProjectOptions.cmake
+++ b/cmake/ProjectOptions.cmake
@@ -6,6 +6,8 @@ option(LSL_LEGACY_CPP_ABI "Build legacy C++ ABI into lsl-static" OFF)
 option(LSL_OPTIMIZATIONS "Enable some more compiler optimizations" ON)
 option(LSL_BUNDLED_BOOST "Use the bundled Boost by default" ON)
 option(LSL_BUNDLED_PUGIXML "Use the bundled pugixml by default" ON)
+option(LSL_INSTALL "Create install targets for packaging the built libraries" ON)
+option(LSL_ADDITIONAL_TARGETS "Build utility targets lslver and blackhole" ON)
 option(LSL_TOOLS "Build some experimental tools for in-depth tests" OFF)
 option(LSL_UNITTESTS "Build LSL library unit tests" OFF)
 option(LSL_FORCE_FANCY_LIBNAME "Add library name decorations (32/64/-debug)" OFF)