#2 fix headings and some typos

This commit is contained in:
Thom Troy 2015-11-30 00:04:19 +00:00
parent 960287187e
commit 56a30bb5bd

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@ -1,19 +1,16 @@
= Hello Headers
:toc:
:toc-placement!:
toc::[]
[[intro]]
Introduction
------------
# Introduction
Shows a hello world example which uses a different folder for source and include
files.
The files in this tutorial are below:
The files in this tutorial include:
```
B-hello-headers$ tree
@ -26,18 +23,15 @@ B-hello-headers$ tree
└── main.cpp
```
* CMakeLists.txt - Contains the CMake commands you wish to run
* inc/Hello.h - The header file to include
* src/Hello.cpp - A source file to compile
* src/main.cpp - The source file with main
* CMakeLists.txt - Contains the CMake commands you wish to run.
* inc/Hello.h - The header file to include.
* src/Hello.cpp - A source file to compile.
* src/main.cpp - The source file with main.
[[concepts]]
Concepts
~~~~~~~~
[[directory-paths]]
Directory Paths
^^^^^^^^^^^^^^^
# Concepts
## Directory Paths
CMake syntax specifies a number of https://cmake.org/Wiki/CMake_Useful_Variables[variables]
which can be used to help find useful directories in your project or source tree.
@ -49,21 +43,19 @@ Some of these include:
|CMAKE_SOURCE_DIR |The root source directory
|CMAKE_CURRENT_SOURCE_DIR |The current source directory if using
sub-projects and directories
sub-projects and directories.
|PROJECT_SOURCE_DIR |The source director of the current cmake project.
|PROJECT_SOURCE_DIR |The source directory of the current cmake project.
|CMAKE_BINARY_DIR |The root binary / build directory. This is the
directory you run the cmake command from
directory where you ran the cmake command.
|CMAKE_CURRENT_BINARY_DIR |The build directory you are currently in.
|PROJECT_BINARY_DIR |The build directory for the current project.
|=======================================================================
[[including-directories]]
Including Directories
^^^^^^^^^^^^^^^^^^^^^
## Including Directories
When you have different include folders, you can make your compiler aware of them using the
+include_directories()+ function. This will add these directories to the
@ -76,11 +68,7 @@ include_directories(
)
----
[[setting-source-files]]
Source Files Variable
^^^^^^^^^^^^^^^^^^^^
## Source Files Variable
Creating a variable which includes the source files allows you to be
clearer about these files and easily add them to multiple commands, for example,
@ -102,16 +90,17 @@ add_executable(${PROJECT_NAME} ${SOURCES})
An alternative to setting specific file names in the +SOURCES+ variable is
to use a GLOB command to find files using wildcard pattern matching.
[source,cmake]
----
file(GLOB SOURCES "src/*.cpp")
----
====
[[building-the-example]]
Building the Example
~~~~~~~~~~~~~~~~~~~~
# Building the Example
## Standard Output
The standard output from building this example is presented below.
[source,bash]
----
@ -145,9 +134,8 @@ $ ./hello_headers
Hello Headers!
----
[[verbose-output]]
Verbose Output
^^^^^^^^^^^^^^
## Verbose Output
In the previous examples, when running the make command the output only
shows the status of the build. To see the full output for debugging