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docs: move building information to docs/building.md

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Valdis Vitolins 6 years ago
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README.md View File

@@ -1,5 +1,6 @@
# eSpeak NG Text-to-Speech

- [Features](#features)
- [Windows](#windows)
- [Binaries](#binaries)
- [Building](#building)
@@ -21,11 +22,10 @@
- [Installing](#installing-1)
- [Documentation](#documentation)
- [eSpeak Compatibility](#espeak-compatibility)
- [Historical Versions](#historical-versions)
- [History](#history)
- [Feedback](#feedback)
- [License Information](#license-information)


----------

The eSpeak NG is a compact open source software text-to-speech synthesizer for
@@ -80,322 +80,6 @@ The following platforms are supported:
| Windows | Windows 8 | |
| Mac | | |

## Windows

### Binaries

The Windows version of eSpeak NG 1.49.2 is available as:

* [espeak-ng-x64.msi](https://github.com/espeak-ng/espeak-ng/releases/download/1.49.2/espeak-ng-x64.msi) --
64-bit Windows installer
* [espeak-ng-x86.msi](https://github.com/espeak-ng/espeak-ng/releases/download/1.49.2/espeak-ng-x86.msi) --
32-bit Windows installer

You also need to install the [Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/en-us/download/details.aspx?id=48145).

__NOTE:__ SAPI 5 voices are not currently available in this release of eSpeak NG.
There is an [issue](https://github.com/espeak-ng/espeak-ng/issues/7) to track
support for this feature.

### Building

To build eSpeak NG on Windows, you will need:

1. a copy of Visual Studio 2013 or later, such as the Community Edition;
2. the Windows 8.1 SDK;
3. the [WiX installer](http://wixtoolset.org) plugin;
4. the [pcaudiolib](https://github.com/espeak-ng/pcaudiolib) project checked out to
`src` (as `src/pcaudiolib`).

You can then open and build the `src/windows/espeak-ng.sln` solution in Visual
Studio.

You can also use the Visual Studio tools to build espeak-ng with `msbuild` from
the `src/windows` directory:

msbuild espeak-ng.sln

To build with a specific version of Visual Studio, you need to use:

msbuild /p:PlatformToolset=v120 espeak-ng.sln

replacing `v120` with the appropriate value for the target Visual Studio version:

| PlatformToolset | Visual Studio |
|-----------------|---------------|
| v120 | 2013 |
| v140 | 2015 |
| v141 (default) | 2017 |

## Linux, Mac, BSD

### Dependencies

In order to build eSpeak NG, you need:

1. a functional autotools system (`make`, `autoconf`, `automake`, `libtool`
and `pkg-config`);
2. a functional c compiler that supports C99 (e.g. gcc or clang).

Optionally, you need:

1. the [pcaudiolib](https://github.com/espeak-ng/pcaudiolib) development library
to enable audio output;
3. the [sonic](https://github.com/espeak-ng/sonic) development library to
enable sonic audio speed up support;
4. the `ronn` man-page markdown processor to build the man pages.

To build the documentation, you need:

1. the `kramdown` markdown processor.

On Debian-based systems such as Debian, Ubuntu and Mint, these dependencies can
be installed using the following commands:

| Dependency | Install |
|---------------|------------------------------------------------------------------|
| autotools | `sudo apt-get install make autoconf automake libtool pkg-config` |
| c99 compiler | `sudo apt-get install gcc` |
| sonic | `sudo apt-get install libsonic-dev` |
| ronn | `sudo apt-get install ruby-ronn` |
| kramdown | `sudo apt-get install ruby-kramdown` |

For recent Debian or Ubuntu >= 18.04 you should also install:

| Dependency | Install |
|---------------|------------------------------------------------------------------|
| pcaudiolib | `sudo apt-get install libpcaudio-dev` |

### Building

The first time you build eSpeak NG, or when you want to change how to build
eSpeak NG, you need to run the following standard autotools commands:

./autogen.sh
./configure --prefix=/usr

__NOTE:__ The `--prefix` option above will install the files to the `/usr`
directory, instead of the default `/usr/local` location. You can use other
standard `configure` options to control the output. For more information,
you can run:

./configure --help

To use a different compiler, or compiler flags, you can specify these before
the `configure` command. For example:

CC=clang-3.5 CFLAGS=-Wextra ./configure --prefix=/usr

The `espeak-ng` and `speak-ng` programs, along with the espeak-ng voices, can
then be built with:

make

__NOTE:__ Building the voice data does not work when using the `-jN` option.
If you want to use that option, you can run:

make -j8 src/espeak-ng src/speak-ng
make

The documentation can be built by running:

make docs

Specific languages can be compiled by running:

make LANG

where `LANG` is the language code of the given language. More information can
be found in the [Adding or Improving a Language](docs/add_language.md)
documentation.

#### Cross Compilation

Because the eSpeak NG build process uses the built program to compile the
language and voice data, you need to build it locally first. Once you have
built it locally you can perform the cross compilation using:

./configure --build=... --host=... --target=...
make -B src/espeak-ng src/speak-ng

#### Sanitizer Flag Configuration

It is possible to build eSpeak NG with the gcc or clang sanitizer by passing
the appropriate `CFLAGS` and `LDFLAGS` options to `configure`. For example:

CFLAGS="-fsanitize=address,undefined -g" \
LDFLAGS="-fsanitize=address,undefined" \
CC=clang-6.0 ./configure
make
make check

__NOTE:__ The `-fsanitize=fuzzer` option does not work when using the above
configuration method. This is because `clang` will use the `libFuzzer` library
which defines its own `main` and requires `LLVMFuzzerTestOneInput` to be
defined. This breaks the autoconf check to see if the C compiler works.

#### LLVM Fuzzer Support

To enable libFuzzer support you need clang 6.0 or later. It is enabled with
the following:

CC=clang-6.0 ./configure --with-libfuzzer=yes
make
make check

#### eSpeak NG Feature Configuration

The following `configure` options control which eSpeak NG features are enabled:

| Option | Description | Default |
|-----------------|----------------------------------------------|---------|
| `--with-klatt` | Enable Klatt formant synthesis. | yes |
| `--with-mbrola` | Enable MBROLA voice support. | yes |
| `--with-sonic` | Use the sonic library to support higher WPM. | yes |
| `--with-async` | Enable asynchronous commands. | yes |

__NOTE:__ The `--with-sonic` option requires that the sonic library and header
is accessible on the system.

#### Extended Dictionary Configuration

The following `configure` options control which of the extended dictionary files
to build:

| Option | Extended Dictionary | Default |
|----------------------|---------------------|---------|
| `--with-extdict-ru` | Russian | no |
| `--with-extdict-zh` | Mandarin Chinese | no |
| `--with-extdict-zhy` | Cantonese | no |

The extended dictionaries are taken from
[http://espeak.sourceforge.net/data/](http://espeak.sourceforge.net/data/) and
provide better coverage for those languages, while increasing the resulting
dictionary size.

### Testing

Before installing, you can test the built espeak-ng using the following command
from the top-level directory of this project:

ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng ...

The `ESPEAK_DATA_PATH` variable needs to be set to use the espeak-ng data from
the source tree. Otherwise, espeak-ng will look in `$(HOME)` or
`/usr/share/espeak-ng-data`.

The `LD_LIBRARY_PATH` is set as `espeak` uses the `libespeak-ng.so` shared
library. This ensures that `espeak` uses the built shared library in the
`src` directory and not the one on the system (which could be an older
version).

### Installing

You can install eSpeak NG by running the following command:

sudo make LIBDIR=/usr/lib/x86_64-linux-gnu install

__NOTE:__ The `LIBDIR` path may be different to the one on your system (the
above is for 64-bit Debian/Ubuntu releases that use the multi-arch package
structure -- that is, Debian Wheezy or later).

You can find out where espeak-ng is installed to on your system if you
already have an espeak-ng install by running:

find /usr/lib | grep libespeak-ng

## Android

<div align="right"><a href="https://play.google.com/store/apps/details?id=com.reecedunn.espeak" title="eSpeak for Android on Google Play"><img src="https://developer.android.com/images/brand/en_app_rgb_wo_45.png"/></a></div>

The espeak-ng sources contain the code for the Android™ port of the application.
This is published as the [eSpeak for Android](http://reecedunn.co.uk/espeak-for-android)
program on the Google Play store. It is based on the eyes-free port of eSpeak
to the Android platform. This code was originally maintained in a separate
branch when the repository tracked eSpeak releases.

### Dependencies

In order to build the Android APK file, you need:

1. the [Android Studio](https://developer.android.com/studio/) with API 26 support;
2. the [Android NDK](http://developer.android.com/tools/sdk/ndk/index.html);
3. Gradle 3.2.1 or later.

### Building with Gradle

1. Set the location of the Android SDK:

$ export ANDROID_HOME=<path-to-the-android-sdk>
(where `<path-to-the-android-sdk>` is your actual path of SDK folder e.g. `/home/user/Android/Sdk`)

2. Add location of NDK to the PATH variable:

$ export PATH=$PATH:<path-to-the-android-ndk>
(where `<path-to-the-android-ndk>` is your actual path of NDK folder, e.g. `/home/user/Android/Ndk`)

3. Configure the project:

$ ./autogen.sh
$ ./configure --with-gradle=<path-to-gradle>

Check that log shows following lines:

...
gradle (Android): gradle
ndk-build (Android): yes
...
`<path-to-gradle>` may be just `gradle` if it is found in your path by simple name.

4. Build the project:

$ make apk-release

This will create an `android/build/outputs/apk/espeak-release-unsigned.apk` file.

### Signing the APK

In order to install the built APK you need to self-sign the package. You can do
this by:

1. Creating a certificate, if you do not already have one:

$ keytool -genkey -keystore [YOUR_CERTIFICATE] -alias [ALIAS] -keyalg RSA -storetype PKCS12
2. Sign the package using your certificate:

$ jarsigner -sigalg MD5withRSA -digestalg SHA1 \
-keystore [YOUR_CERTIFICATE] \
android/build/outputs/apk/release/espeak-release-unsigned.apk [ALIAS]
3. Align the apk using the zipalign tool.

$ zipalign 4 android/build/outputs/apk/release/espeak-release-unsigned.apk \
android/build/outputs/apk/release/espeak-release-signed.apk


### Opening project in Android Studio

To open project in **Android Studio** select **Import project (Gradle, Eclipse ADT, etc)**
and select `android` folder of the `espeak-ng` project.

Then select menu **File — Project Structure...**, tab **SDK Location**, field **Android NDK location**
and set your location of NDK, e.g. `/home/user/Android/Ndk`.

### Installing

Now, you can install the APK using the `adb` tool:

$ adb install -r android/build/outputs/apk/release/espeak-release-signed.apk

After running, `eSpeakActivity` will extract the `espeakdata.zip` file into its
own data directory to set up the available voices.

To enable eSpeak, you need to:

1. go into the Android `Text-to-Speech settings` UI;
2. enable `eSpeak TTS` in the `Engines` section;
3. select `eSpeak TTS` as the default engine;
4. use the `Listen to an example` option to check if everything is working.

## Documentation

1. [User guide](src/espeak-ng.1.ronn) provides reference and examples for command-line options.

+ 338
- 0
docs/building.md View File

@@ -0,0 +1,338 @@
# Building eSpeak NG

- [Windows](#windows)
- [Binaries](#binaries)
- [Building](#building)
- [Linux, Mac, BSD](#linux-mac-bsd)
- [Dependencies](#dependencies)
- [Building](#building-1)
- [Cross Compilation](#cross-compilation)
- [Sanitizer Flag Configuration](#sanitizer-flag-configuration)
- [LLVM Fuzzer Support](#llvm-fuzzer-support)
- [eSpeak NG Feature Configuration](#espeak-ng-feature-configuration)
- [Extended Dictionary Configuration](#extended-dictionary-configuration)
- [Testing](#testing)
- [Installing](#installing)
- [Android](#android)
- [Dependencies](#dependencies-1)
- [Building with Gradle](#building-with-gradle)
- [Signing the APK](#signing-the-apk)
- [Opening project in Android Studio](#opening-project-in-android-studio)
- [Installing](#installing-1)

## Windows

### Binaries

The Windows version of eSpeak NG 1.49.2 is available as:

* [espeak-ng-x64.msi](https://github.com/espeak-ng/espeak-ng/releases/download/1.49.2/espeak-ng-x64.msi) --
64-bit Windows installer
* [espeak-ng-x86.msi](https://github.com/espeak-ng/espeak-ng/releases/download/1.49.2/espeak-ng-x86.msi) --
32-bit Windows installer

You also need to install the [Visual C++ Redistributable for Visual Studio 2015](https://www.microsoft.com/en-us/download/details.aspx?id=48145).

__NOTE:__ SAPI 5 voices are not currently available in this release of eSpeak NG.
There is an [issue](https://github.com/espeak-ng/espeak-ng/issues/7) to track
support for this feature.

### Building

To build eSpeak NG on Windows, you will need:

1. a copy of Visual Studio 2013 or later, such as the Community Edition;
2. the Windows 8.1 SDK;
3. the [WiX installer](http://wixtoolset.org) plugin;
4. the [pcaudiolib](https://github.com/espeak-ng/pcaudiolib) project checked out to
`src` (as `src/pcaudiolib`).

You can then open and build the `src/windows/espeak-ng.sln` solution in Visual
Studio.

You can also use the Visual Studio tools to build espeak-ng with `msbuild` from
the `src/windows` directory:

msbuild espeak-ng.sln

To build with a specific version of Visual Studio, you need to use:

msbuild /p:PlatformToolset=v120 espeak-ng.sln

replacing `v120` with the appropriate value for the target Visual Studio version:

| PlatformToolset | Visual Studio |
|-----------------|---------------|
| v120 | 2013 |
| v140 | 2015 |
| v141 (default) | 2017 |

## Linux, Mac, BSD

### Dependencies

In order to build eSpeak NG, you need:

1. a functional autotools system (`make`, `autoconf`, `automake`, `libtool`
and `pkg-config`);
2. a functional c compiler that supports C99 (e.g. gcc or clang).

Optionally, you need:

1. the [pcaudiolib](https://github.com/espeak-ng/pcaudiolib) development library
to enable audio output;
3. the [sonic](https://github.com/espeak-ng/sonic) development library to
enable sonic audio speed up support;
4. the `ronn` man-page markdown processor to build the man pages.

To build the documentation, you need:

1. the `kramdown` markdown processor.

On Debian-based systems such as Debian, Ubuntu and Mint, these dependencies can
be installed using the following commands:

| Dependency | Install |
|---------------|------------------------------------------------------------------|
| autotools | `sudo apt-get install make autoconf automake libtool pkg-config` |
| c99 compiler | `sudo apt-get install gcc` |
| sonic | `sudo apt-get install libsonic-dev` |
| ronn | `sudo apt-get install ruby-ronn` |
| kramdown | `sudo apt-get install ruby-kramdown` |

For recent Debian or Ubuntu >= 18.04 you should also install:

| Dependency | Install |
|---------------|------------------------------------------------------------------|
| pcaudiolib | `sudo apt-get install libpcaudio-dev` |

### Building

The first time you build eSpeak NG, or when you want to change how to build
eSpeak NG, you need to run the following standard autotools commands:

./autogen.sh
./configure --prefix=/usr

__NOTE:__ The `--prefix` option above will install the files to the `/usr`
directory, instead of the default `/usr/local` location. You can use other
standard `configure` options to control the output. For more information,
you can run:

./configure --help

To use a different compiler, or compiler flags, you can specify these before
the `configure` command. For example:

CC=clang-3.5 CFLAGS=-Wextra ./configure --prefix=/usr

The `espeak-ng` and `speak-ng` programs, along with the espeak-ng voices, can
then be built with:

make

__NOTE:__ Building the voice data does not work when using the `-jN` option.
If you want to use that option, you can run:

make -j8 src/espeak-ng src/speak-ng
make

The documentation can be built by running:

make docs

Specific languages can be compiled by running:

make LANG

where `LANG` is the language code of the given language. More information can
be found in the [Adding or Improving a Language](docs/add_language.md)
documentation.

#### Cross Compilation

Because the eSpeak NG build process uses the built program to compile the
language and voice data, you need to build it locally first. Once you have
built it locally you can perform the cross compilation using:

./configure --build=... --host=... --target=...
make -B src/espeak-ng src/speak-ng

#### Sanitizer Flag Configuration

It is possible to build eSpeak NG with the gcc or clang sanitizer by passing
the appropriate `CFLAGS` and `LDFLAGS` options to `configure`. For example:

CFLAGS="-fsanitize=address,undefined -g" \
LDFLAGS="-fsanitize=address,undefined" \
CC=clang-6.0 ./configure
make
make check

__NOTE:__ The `-fsanitize=fuzzer` option does not work when using the above
configuration method. This is because `clang` will use the `libFuzzer` library
which defines its own `main` and requires `LLVMFuzzerTestOneInput` to be
defined. This breaks the autoconf check to see if the C compiler works.

#### LLVM Fuzzer Support

To enable libFuzzer support you need clang 6.0 or later. It is enabled with
the following:

CC=clang-6.0 ./configure --with-libfuzzer=yes
make
make check

#### eSpeak NG Feature Configuration

The following `configure` options control which eSpeak NG features are enabled:

| Option | Description | Default |
|-----------------|----------------------------------------------|---------|
| `--with-klatt` | Enable Klatt formant synthesis. | yes |
| `--with-mbrola` | Enable MBROLA voice support. | yes |
| `--with-sonic` | Use the sonic library to support higher WPM. | yes |
| `--with-async` | Enable asynchronous commands. | yes |

__NOTE:__ The `--with-sonic` option requires that the sonic library and header
is accessible on the system.

#### Extended Dictionary Configuration

The following `configure` options control which of the extended dictionary files
to build:

| Option | Extended Dictionary | Default |
|----------------------|---------------------|---------|
| `--with-extdict-ru` | Russian | no |
| `--with-extdict-zh` | Mandarin Chinese | no |
| `--with-extdict-zhy` | Cantonese | no |

The extended dictionaries are taken from
[http://espeak.sourceforge.net/data/](http://espeak.sourceforge.net/data/) and
provide better coverage for those languages, while increasing the resulting
dictionary size.

### Testing

Before installing, you can test the built espeak-ng using the following command
from the top-level directory of this project:

ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng ...

The `ESPEAK_DATA_PATH` variable needs to be set to use the espeak-ng data from
the source tree. Otherwise, espeak-ng will look in `$(HOME)` or
`/usr/share/espeak-ng-data`.

The `LD_LIBRARY_PATH` is set as `espeak` uses the `libespeak-ng.so` shared
library. This ensures that `espeak` uses the built shared library in the
`src` directory and not the one on the system (which could be an older
version).

### Installing

You can install eSpeak NG by running the following command:

sudo make LIBDIR=/usr/lib/x86_64-linux-gnu install

__NOTE:__ The `LIBDIR` path may be different to the one on your system (the
above is for 64-bit Debian/Ubuntu releases that use the multi-arch package
structure -- that is, Debian Wheezy or later).

You can find out where espeak-ng is installed to on your system if you
already have an espeak-ng install by running:

find /usr/lib | grep libespeak-ng

## Android

<div align="right"><a href="https://play.google.com/store/apps/details?id=com.reecedunn.espeak" title="eSpeak for Android on Google Play"><img src="https://developer.android.com/images/brand/en_app_rgb_wo_45.png"/></a></div>

The espeak-ng sources contain the code for the Android™ port of the application.
This is published as the [eSpeak for Android](http://reecedunn.co.uk/espeak-for-android)
program on the Google Play store. It is based on the eyes-free port of eSpeak
to the Android platform. This code was originally maintained in a separate
branch when the repository tracked eSpeak releases.

### Dependencies

In order to build the Android APK file, you need:

1. the [Android Studio](https://developer.android.com/studio/) with API 26 support;
2. the [Android NDK](http://developer.android.com/tools/sdk/ndk/index.html);
3. Gradle 3.2.1 or later.

### Building with Gradle

1. Set the location of the Android SDK:

$ export ANDROID_HOME=<path-to-the-android-sdk>
(where `<path-to-the-android-sdk>` is your actual path of SDK folder e.g. `/home/user/Android/Sdk`)

2. Add location of NDK to the PATH variable:

$ export PATH=$PATH:<path-to-the-android-ndk>
(where `<path-to-the-android-ndk>` is your actual path of NDK folder, e.g. `/home/user/Android/Ndk`)

3. Configure the project:

$ ./autogen.sh
$ ./configure --with-gradle=<path-to-gradle>

Check that log shows following lines:

...
gradle (Android): gradle
ndk-build (Android): yes
...
`<path-to-gradle>` may be just `gradle` if it is found in your path by simple name.

4. Build the project:

$ make apk-release

This will create an `android/build/outputs/apk/espeak-release-unsigned.apk` file.

### Signing the APK

In order to install the built APK you need to self-sign the package. You can do
this by:

1. Creating a certificate, if you do not already have one:

$ keytool -genkey -keystore [YOUR_CERTIFICATE] -alias [ALIAS] -keyalg RSA -storetype PKCS12
2. Sign the package using your certificate:

$ jarsigner -sigalg MD5withRSA -digestalg SHA1 \
-keystore [YOUR_CERTIFICATE] \
android/build/outputs/apk/release/espeak-release-unsigned.apk [ALIAS]
3. Align the apk using the zipalign tool.

$ zipalign 4 android/build/outputs/apk/release/espeak-release-unsigned.apk \
android/build/outputs/apk/release/espeak-release-signed.apk


### Opening project in Android Studio

To open project in **Android Studio** select **Import project (Gradle, Eclipse ADT, etc)**
and select `android` folder of the `espeak-ng` project.

Then select menu **File — Project Structure...**, tab **SDK Location**, field **Android NDK location**
and set your location of NDK, e.g. `/home/user/Android/Ndk`.

### Installing

Now, you can install the APK using the `adb` tool:

$ adb install -r android/build/outputs/apk/release/espeak-release-signed.apk

After running, `eSpeakActivity` will extract the `espeakdata.zip` file into its
own data directory to set up the available voices.

To enable eSpeak, you need to:

1. go into the Android `Text-to-Speech settings` UI;
2. enable `eSpeak TTS` in the `Engines` section;
3. select `eSpeak TTS` as the default engine;
4. use the `Listen to an example` option to check if everything is working.


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