From e0ec9e44b5eda6219c4740b149d30a58f8687a83 Mon Sep 17 00:00:00 2001
From: Erwin Janssen <erwinjanssen@outlook.com>
Date: Mon, 19 Dec 2016 16:03:57 +0100
Subject: [PATCH] Initial minimal CMake project

A CMake project consists of CMakeLists.txt files. The primary file in the
root of the project specifies global project information and
configuration. CMakeLists.txt files in subdirectories can contain
configuration for how to build to binaries.

This configuration minimal configuration only builds lib/cdt as a shared
(dynamic) library. CMake supports out of source builds, which is the
recommended way of building:

	mkdir build
	cd build
	cmake ..
	cmake --build .

The `cmake ..` generates the build files. On Unix based systems, it
gerenates makefiles, on Windows it generates Visual Studio projects. The
used generated can be specified with -G.
---
 .gitignore             |  3 +++
 CMakeLists.txt         |  5 +++++
 lib/CMakeLists.txt     |  1 +
 lib/cdt/CMakeLists.txt | 30 ++++++++++++++++++++++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 CMakeLists.txt
 create mode 100644 lib/CMakeLists.txt
 create mode 100644 lib/cdt/CMakeLists.txt

diff --git a/.gitignore b/.gitignore
index 541b6962a..1f259d8f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -206,6 +206,9 @@ tests/**/difference/**
 ## Binaries
 tests/unit_tests/lib/common/command_line
 
+# Cmake build folder
+build/**
+
 # Folders and files generated by Visual Studio builds
 **/Debug/**
 **/Release/**
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000..4ce651d04
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required (VERSION 2.8 FATAL_ERROR)
+
+project (Graphviz)
+
+add_subdirectory(lib)
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
new file mode 100644
index 000000000..650cb7bbe
--- /dev/null
+++ b/lib/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(cdt)
diff --git a/lib/cdt/CMakeLists.txt b/lib/cdt/CMakeLists.txt
new file mode 100644
index 000000000..36827c053
--- /dev/null
+++ b/lib/cdt/CMakeLists.txt
@@ -0,0 +1,30 @@
+add_definitions(-D_BLD_cdt)
+
+include_directories(.)
+
+add_library(cdt SHARED
+    # Header files
+    cdt.h
+    dthdr.h
+
+    # Source files
+    dtclose.c
+    dtdisc.c
+    dtextract.c
+    dtflatten.c
+    dthash.c
+    dtlist.c
+    dtmethod.c
+    dtopen.c
+    dtrenew.c
+    dtrestore.c
+    dtsize.c
+    dtstat.c
+    dtstrhash.c
+    dttree.c
+    dtview.c
+    dtwalk.c
+
+    # Link definition file for Windows
+    cdt.def
+)
-- 
2.40.0