From 84844eeab2c19f76067626f642ccb69efb73500d Mon Sep 17 00:00:00 2001
From: Arti Zirk <arti.zirk@gmail.com>
Date: Mon, 12 Jul 2021 17:22:42 +0300
Subject: [PATCH] Init

---
 .gitignore          |  1 +
 CMakeLists.txt      | 19 +++++++++++++++++++
 CMakePresets.json   | 23 +++++++++++++++++++++++
 README.md           |  9 +++++++++
 alib/CMakeLists.txt |  7 +++++++
 alib/calc.c         |  5 +++++
 alib/calc.h         |  1 +
 config.h.in         |  3 +++
 main.c              |  9 +++++++++
 9 files changed, 77 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 CMakeLists.txt
 create mode 100644 CMakePresets.json
 create mode 100644 README.md
 create mode 100644 alib/CMakeLists.txt
 create mode 100644 alib/calc.c
 create mode 100644 alib/calc.h
 create mode 100644 config.h.in
 create mode 100644 main.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..378eac2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..b6a2d68
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(Hello VERSION 1.0)
+
+# add a lib
+add_subdirectory(alib)
+
+add_executable(Hello main.c)
+
+target_link_libraries(Hello PUBLIC alib)
+
+# Version number thing
+configure_file(config.h.in config.h)
+target_include_directories(Hello PUBLIC
+	${PROJECT_BINARY_DIR}
+)
+
+install(TARGETS Hello DESTINATION bin)
+install(FILES ${PROJECT_BINARY_DIR}/config.h DESTINATION include)
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 0000000..8b1fbfe
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,23 @@
+{
+  "version": 2,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 10,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "default",
+      "displayName": "Default Config",
+      "description": "Default build using Ninja generator",
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/build/default"
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "default",
+      "configurePreset": "default"
+    }
+  ]
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..42543b8
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# build
+
+Use preset from `CMakePresets.json`
+
+	cmake -S . --preset=default
+
+And then build
+
+	cmake --build build/default
diff --git a/alib/CMakeLists.txt b/alib/CMakeLists.txt
new file mode 100644
index 0000000..facac6d
--- /dev/null
+++ b/alib/CMakeLists.txt
@@ -0,0 +1,7 @@
+add_library(alib calc.c)
+target_include_directories(alib
+	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+install(TARGETS alib DESTINATION lib)
+install(FILES calc.h DESTINATION include)
diff --git a/alib/calc.c b/alib/calc.c
new file mode 100644
index 0000000..03c46cc
--- /dev/null
+++ b/alib/calc.c
@@ -0,0 +1,5 @@
+#include "calc.h"
+
+int docalc() {
+	return 2;
+}
diff --git a/alib/calc.h b/alib/calc.h
new file mode 100644
index 0000000..b84f0d2
--- /dev/null
+++ b/alib/calc.h
@@ -0,0 +1 @@
+int docalc();
diff --git a/config.h.in b/config.h.in
new file mode 100644
index 0000000..05dc4a8
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1,3 @@
+// the configured options and settings for Hello
+#define Hello_VERSION_MAJOR @Hello_VERSION_MAJOR@
+#define Hello_VERSION_MINOR @Hello_VERSION_MINOR@
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..b44e8e9
--- /dev/null
+++ b/main.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include "config.h"
+#include "calc.h"
+
+int main() {
+	printf("Version: %d.%d\n", Hello_VERSION_MAJOR, Hello_VERSION_MINOR);
+	printf("Hello World; %d\n", docalc());
+	return 0;
+}