From 57274809dec691e0c7477ff4936bb99873434717 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sat, 23 Jul 2022 15:34:35 +0200
Subject: [PATCH] cmake: by default, don't create install target when building
SDL_image as a subproject
---
CMakeLists.txt | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71a85f75..4283e513 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,12 @@ project(SDL2_image
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+ set(SDL2IMAGE_ROOTPROJECT ON)
+else()
+ set(SDL2IMAGE_ROOTPROJECT OFF)
+endif()
+
# Set defaults preventing destination file conflicts
set(SDL2IMAGE_DEBUG_POSTFIX "d"
CACHE STRING "Name suffix for debug builds")
@@ -46,11 +52,11 @@ include(GNUInstallDirs)
option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ON)
option(BUILD_SHARED_LIBS "Build the library as a shared library" ON)
-option(SDL2IMAGE_INSTALL "Enable SDL2_image install target" ON)
+option(SDL2IMAGE_INSTALL "Enable SDL2_image install target" ${SDL2IMAGE_ROOTPROJECT})
option(SDL2IMAGE_DEPS_SHARED "Load dependencies dynamically" ON)
option(SDL2IMAGE_VENDORED "Use vendored third-party libraries" ${vendored_default})
-option(SDL2IMAGE_SAMPLES "Build the SDL2_image sample program(s)" ON)
+option(SDL2IMAGE_SAMPLES "Build the SDL2_image sample program(s)" ${SDL2IMAGE_ROOTPROJECT})
cmake_dependent_option(SDL2IMAGE_SAMPLES_INSTALL "Install the SDL2_image sample program(s)" OFF "SDL2IMAGE_SAMPLES;SDL2IMAGE_INSTALL" OFF)
option(SDL2IMAGE_TESTS "Build unit tests?" OFF)