Initial commit.

.gitignore

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+.idea
+cmake-build-*/
+version.h
+

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+set(product_name "Plip")
+set(gui_name "plip-sdl")
+set(lib_name "libplip")
+
+project(${gui_name})
+set(CMAKE_CXX_STANDARD 14)
+
+find_package(SDL2 REQUIRED)
+
+###########
+# libplip #
+###########
+include(TestBigEndian)
+TEST_BIG_ENDIAN(BIG_ENDIAN)
+
+add_custom_target(
+        GENERATE_LIB_VERSION_HEADER
+        COMMAND ${CMAKE_COMMAND}
+        -Dcmake_root="${CMAKE_CURRENT_SOURCE_DIR}"
+        -Dsrc_root="${CMAKE_CURRENT_SOURCE_DIR}/libplip"
+        -DBIN_NAME="${lib_name}"
+        -P "${CMAKE_CURRENT_SOURCE_DIR}/version.cmake"
+)
+
+add_library(${lib_name}
+        libplip/Hello.cpp
+)
+
+add_dependencies(${lib_name} GENERATE_LIB_VERSION_HEADER)
+
+########
+# plip #
+########
+add_custom_target(
+        GENERATE_CLI_VERSION_HEADER
+        COMMAND ${CMAKE_COMMAND}
+        -Dcmake_root="${CMAKE_CURRENT_SOURCE_DIR}"
+        -Dsrc_root="${CMAKE_CURRENT_SOURCE_DIR}/plip-sdl"
+        -DPRODUCT_NAME="${product_name}"
+        -DBIN_NAME="${gui_name}"
+        -P "${CMAKE_CURRENT_SOURCE_DIR}/version.cmake"
+)
+
+add_executable(${gui_name}
+        plip-sdl/main.cpp
+)
+
+target_include_directories(${gui_name}
+        PRIVATE ${CMAKE_SOURCE_DIR}/libplip
+        PUBLIC ${SDL2_INCLUDE_DIRS}
+)
+
+target_link_libraries(${gui_name}
+        libplip
+        ${SDL2_INCLUDE_DIRS}
+)
+
+add_dependencies(${gui_name} GENERATE_CLI_VERSION_HEADER)

libplip/Hello.cpp

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+#include "Hello.h"
+
+int Hello::Calculate() {
+    return 42;
+}

libplip/Hello.h

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+#pragma once
+
+class Hello {
+public:
+    static int Calculate();
+};
+
+

plip-sdl/main.cpp

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+#include <iostream>
+
+#include "Hello.h"
+
+int main() {
+    std::cout << "Hello world! The answer is " << Hello::Calculate() << "." << std::endl;
+    return 0;
+}

version.cmake

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+cmake_minimum_required(VERSION 3.15)
+
+find_package(Git)
+if(GIT_FOUND)
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
+            WORKING_DIRECTORY "${cmake_root}"
+            OUTPUT_VARIABLE GIT_BRANCH
+            ERROR_QUIET
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+            WORKING_DIRECTORY "${cmake_root}"
+            OUTPUT_VARIABLE GIT_REVISION
+            ERROR_QUIET
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} describe --tags
+            WORKING_DIRECTORY "${cmake_root}"
+            OUTPUT_VARIABLE GIT_TAG
+            ERROR_QUIET
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    message(STATUS "${APP_TITLE}: ${GIT_BRANCH}@${GIT_REVISION}; tag: ${GIT_TAG}")
+else()
+    message(STATUS "Git package not found. Unable to fetch version information.")
+endif()
+
+configure_file(${cmake_root}/version.h.in ${src_root}/version.h)

version.h.in

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+#pragma once
+
+#cmakedefine PRODUCT_NAME "${PRODUCT_NAME}"
+#cmakedefine BIN_NAME "${BIN_NAME}"
+
+#cmakedefine GIT_FOUND
+#cmakedefine GIT_BRANCH "${GIT_BRANCH}"
+#cmakedefine GIT_REVISION "${GIT_REVISION}"
+#cmakedefine GIT_TAG "${GIT_TAG}"