Increased the CMake minimum required version to 3.20

Turns out `OUTPUT` for `add_custom_command` requires CMake 3.20. https://cmake.org/cmake/help/latest/command/add_custom_command.html

Signed-off-by: Fabian Sauter <sauter.fabian@mailbox.org>

CMakeLists.txt

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 project(kompute VERSION 0.8.1 LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 14)

cmake/bin_file_to_header.cmake

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 if(${INPUT_SHADER_FILE} STREQUAL "")
     message(FATAL_ERROR "No input file path provided via 'INPUT_SHADER_FILE'.")

examples/array_multiplication/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 project(kompute_array_mult)
 
 set(CMAKE_CXX_STANDARD 14)

examples/array_multiplication/shader/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 # To add more shaders simply copy the vulkan_compile_shader command and replace it with your new shader
 vulkan_compile_shader(INFILE my_shader.comp

examples/array_multiplication/src/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 add_executable(kompute_array_mult main.cpp)
 target_link_libraries(kompute_array_mult PRIVATE shader kompute::kompute)

examples/logistic_regression/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 project(kompute_logistic_regression)
 
 set(CMAKE_CXX_STANDARD 14)

examples/logistic_regression/shader/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 # To add more shaders simply copy the vulkan_compile_shader command and replace it with your new shader
 vulkan_compile_shader(INFILE my_shader.comp

examples/logistic_regression/src/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 add_executable(kompute_logistic_regression main.cpp)
 target_link_libraries(kompute_logistic_regression PRIVATE shader kompute::kompute)

src/CMakeLists.txt

@@ -1,12 +1,12 @@
 # SPDX-License-Identifier: Apache-2.0
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 if(KOMPUTE_OPT_ANDROID_BUILD)
     find_library(android android)
 endif()
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 add_library(kompute Algorithm.cpp
     Manager.cpp

src/include/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 # ####################################################
 # Kompute

src/logger/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 set(LOGGER_SOURCES Logger.cpp)
 

src/shaders/CMakeLists.txt

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 # ######################
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 add_subdirectory(glsl)

src/shaders/glsl/CMakeLists.txt

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # ######################
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 # Check if build shaders from source is enabled
 if(KOMPUTE_OPT_BUILD_SHADERS)

test/CMakeLists.txt

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # ######################
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 # ####################################################
 # Shaders

test/shaders/CMakeLists.txt

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # ######################
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 add_library(test_shaders "Utils.cpp"
     "Utils.hpp")

test/shaders/glsl/CMakeLists.txt

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 # ######################
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.20)
 
 vulkan_compile_shader(INFILE test_logistic_regression_shader.comp
     OUTFILE test_logistic_regression_shader.hpp