From 6706c0e7506db8c56cb0e52c6aad239a95a39c5f Mon Sep 17 00:00:00 2001
From: Kolan Sh <mecareful@gmail.com>
Date: Tue, 22 May 2012 16:53:07 +0400
Subject: [PATCH] Install phase added for cmake_tutorial.

---
 c/cmake_tutorial/step3/CMakeLists.txt         | 35 +++++++++++++++++++
 .../step3/MathFunctions/CMakeLists.txt        |  5 +++
 .../step3/MathFunctions/MathFunctions.h       |  1 +
 .../step3/MathFunctions/mysqrt.cxx            |  7 ++++
 c/cmake_tutorial/step3/MathFunctions/mysqrt.h |  2 ++
 c/cmake_tutorial/step3/TutorialConfig.h.in    |  4 +++
 c/cmake_tutorial/step3/tutorial.cxx           | 32 +++++++++++++++++
 7 files changed, 86 insertions(+)
 create mode 100644 c/cmake_tutorial/step3/CMakeLists.txt
 create mode 100644 c/cmake_tutorial/step3/MathFunctions/CMakeLists.txt
 create mode 100644 c/cmake_tutorial/step3/MathFunctions/MathFunctions.h
 create mode 100644 c/cmake_tutorial/step3/MathFunctions/mysqrt.cxx
 create mode 100644 c/cmake_tutorial/step3/MathFunctions/mysqrt.h
 create mode 100644 c/cmake_tutorial/step3/TutorialConfig.h.in
 create mode 100644 c/cmake_tutorial/step3/tutorial.cxx

diff --git a/c/cmake_tutorial/step3/CMakeLists.txt b/c/cmake_tutorial/step3/CMakeLists.txt
new file mode 100644
index 0000000..aa6257d
--- /dev/null
+++ b/c/cmake_tutorial/step3/CMakeLists.txt
@@ -0,0 +1,35 @@
+cmake_minimum_required (VERSION 2.6)
+project (Tutorial)
+# The version number.
+set (Tutorial_VERSION_MAJOR 1)
+set (Tutorial_VERSION_MINOR 0)
+
+# configure a header file to pass some of the CMake setting
+# to the source code
+configure_file (
+  "${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
+  "${PROJECT_BINARY_DIR}/TutorialConfig.h"
+  )
+
+# add the binary tree to the search path for include files
+# so that we will find TutorialConfig.h
+include_directories ("${PROJECT_BINARY_DIR}")
+
+# should we use our own math functions?
+option (USE_MYMATH
+        "Use tutorial provided math implementation" ON)
+
+if (USE_MYMATH)
+  include_directories ("${PROJECT_SOURCE_DIR}/MathFunctions")
+  add_subdirectory (MathFunctions)
+  set (EXTRA_LIBS ${EXTRA_LIBS} MathFunctions)
+endif (USE_MYMATH)
+
+# add the executable
+add_executable (Tutorial tutorial.cxx)
+target_link_libraries (Tutorial ${EXTRA_LIBS})
+
+# add the install targets and files
+install (TARGETS Tutorial DESTINATION bin)
+install (FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h"
+         DESTINATION include)
diff --git a/c/cmake_tutorial/step3/MathFunctions/CMakeLists.txt b/c/cmake_tutorial/step3/MathFunctions/CMakeLists.txt
new file mode 100644
index 0000000..e2bdd06
--- /dev/null
+++ b/c/cmake_tutorial/step3/MathFunctions/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_library (MathFunctions mysqrt.cxx)
+
+# add the install targets and files
+install (TARGETS MathFunctions DESTINATION bin)
+install (FILES MathFunctions.h DESTINATION include)
diff --git a/c/cmake_tutorial/step3/MathFunctions/MathFunctions.h b/c/cmake_tutorial/step3/MathFunctions/MathFunctions.h
new file mode 100644
index 0000000..54c682a
--- /dev/null
+++ b/c/cmake_tutorial/step3/MathFunctions/MathFunctions.h
@@ -0,0 +1 @@
+#include "mysqrt.h"
diff --git a/c/cmake_tutorial/step3/MathFunctions/mysqrt.cxx b/c/cmake_tutorial/step3/MathFunctions/mysqrt.cxx
new file mode 100644
index 0000000..9283fa0
--- /dev/null
+++ b/c/cmake_tutorial/step3/MathFunctions/mysqrt.cxx
@@ -0,0 +1,7 @@
+#include <math.h>
+
+double
+mysqrt (double x)
+{
+  return sqrt (x);
+}
diff --git a/c/cmake_tutorial/step3/MathFunctions/mysqrt.h b/c/cmake_tutorial/step3/MathFunctions/mysqrt.h
new file mode 100644
index 0000000..948a44c
--- /dev/null
+++ b/c/cmake_tutorial/step3/MathFunctions/mysqrt.h
@@ -0,0 +1,2 @@
+double
+mysqrt (double);
diff --git a/c/cmake_tutorial/step3/TutorialConfig.h.in b/c/cmake_tutorial/step3/TutorialConfig.h.in
new file mode 100644
index 0000000..e23f521
--- /dev/null
+++ b/c/cmake_tutorial/step3/TutorialConfig.h.in
@@ -0,0 +1,4 @@
+// the configured options and settings for Tutorial
+#define Tutorial_VERSION_MAJOR @Tutorial_VERSION_MAJOR@
+#define Tutorial_VERSION_MINOR @Tutorial_VERSION_MINOR@
+#cmakedefine USE_MYMATH
diff --git a/c/cmake_tutorial/step3/tutorial.cxx b/c/cmake_tutorial/step3/tutorial.cxx
new file mode 100644
index 0000000..a5cc6fe
--- /dev/null
+++ b/c/cmake_tutorial/step3/tutorial.cxx
@@ -0,0 +1,32 @@
+// A simple program that computes the square root of a number
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "TutorialConfig.h"
+#ifdef USE_MYMATH
+#include "MathFunctions.h"
+#endif
+
+int main (int argc, char *argv[])
+{
+  if (argc < 2)
+    {
+    fprintf(stdout,"%s Version %d.%d\n",
+            argv[0],
+            Tutorial_VERSION_MAJOR,
+            Tutorial_VERSION_MINOR);
+    fprintf(stdout,"Usage: %s number\n",argv[0]);
+    return 1;
+    }
+  double inputValue = atof(argv[1]);
+#ifdef USE_MYMATH
+  puts ("Using mysqrt ()\n");
+  double outputValue = mysqrt(inputValue);
+#else
+  puts ("Using system sqrt ()\n");
+  double outputValue = sqrt(inputValue);
+#endif
+  fprintf(stdout,"The square root of %g is %g\n",
+          inputValue, outputValue);
+  return 0;
+}