Android build prerequisites--lib32asound2-dev,ia32-libs can't installed on Ubuntu 14.04.2 LTS

[胡海]

As discribed on https://sites.google.com/site/webrtc/native-code/development/prerequisite-sw, to build a android webrtc we can manually install these  prerequisite packets:

g++ (>= 4.2)

python (>= 2.4)

libnss3-dev >= 3.12

libasound2-dev

libpulse-dev

libjpeg62-dev

libxv-dev

libgtk2.0-dev

libexpat1-dev

For 32-bit builds on a 64-bit system:

lib32asound2-dev

ia32-libs

For my Ubuntu is 64-bit, if I want build an android webrtc, should I install "lib32asound-dev" and "ia32-libs"?If should, how can I install them?

When I run "sudo apt-get install lib32asound-dev", error info is:

E: Unable to locate package lib32asound2-dev

When I run "sudo apt-get install ia32-libs", error info is:

Package ia32-libs is not available, but is referred to by another package.

This may mean that the package is missing, has been obsoleted, or

is only available from another source

However the following packages replace it:

  lib32z1 lib32ncurses5 lib32bz2-1.0

E: Package 'ia32-libs' has no installation candidate

Shall I install "lib32z1", "lib32ncurses5" and "lib32bz2-1.0" instead of "ia32-libs"?

[Henrik Kjellander]

That seems to be the case. 

On Fri, Sep 18, 2015 at 11:34 AM, 胡海 <huhai1...@gmail.com> wrote:

As discribed on https://sites.google.com/site/webrtc/native-code/development/prerequisite-sw, to build a android webrtc we can manually install these  prerequisite packets:

g++ (>= 4.2)

python (>= 2.4)

libnss3-dev >= 3.12

libasound2-dev

libpulse-dev

libjpeg62-dev

libxv-dev

libgtk2.0-dev

libexpat1-dev

For 32-bit builds on a 64-bit system:

lib32asound2-dev

ia32-libs

For my Ubuntu is 64-bit, if I want build an android webrtc, should I install "lib32asound-dev" and "ia32-libs"?

Only if you need to do 32-bit builds targeting a 32-bit Linux system. You don't need these to build for ARM (32-bit). 

 

If should, how can I install them?

When I run "sudo apt-get install lib32asound-dev", error info is:

E: Unable to locate package lib32asound2-dev

When I run "sudo apt-get install ia32-libs", error info is:

Package ia32-libs is not available, but is referred to by another package.

This may mean that the package is missing, has been obsoleted, or

is only available from another source

However the following packages replace it:

  lib32z1 lib32ncurses5 lib32bz2-1.0

E: Package 'ia32-libs' has no installation candidate 

Shall I install "lib32z1", "lib32ncurses5" and "lib32bz2-1.0" instead of "ia32-libs"?

That seems to be the case (please confirm if you were about to do 32-bit builds). I'll update the webpage.

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