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## page was renamed from InstallingSpiderMonkeyFromSource

== Installing from sources ==

 1. Get one of the source tarballs from http://ftp.mozilla.org/pub/mozilla.org/js/ (1.7.0 or 1.8.0-rc1 will do).
 1. Unpack the tarball. Note that once extracted the source are in the directory "js", without the expected version suffix.
 1. Go to the js/src directory.
cd js/src
 1. Build SpiderMonkey. There is no default Makefile, use Makefile.ref. The default build is debug, use BUILD_OPT=1 for an optimized build.
make BUILD_OPT=1 -f Makefile.ref
 1. Install SpiderMonkey. Instead of "install" the target to use is "export". Instead of PREFIX the target directory is specified with JS_DIST.
sudo make BUILD_OPT=1 JS_DIST=/usr/local -f Makefile.ref export

== Notes when installing on OS X ==

 * The export needs to be run as root so use $ sudo sh
 * When running ./configure for couchdb you will need to use the --with-js-include and --with-js-lib options
 * You will need to make sure /usr/local/spidermonkey/lib is in DYLD_LIBRARY_PATH {{{export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:/usr/local/spidermonkey/lib}}}
 * If you're still getting {{{dyld: Library not loaded: Darwin_OPT.OBJ/libjs.dylib}}} when trying to start couchdb, run {{{ranlib /usr/local/spidermonkey/libjs.a}}}

== Notes when installing on Linux ==

It would be best if you can install the SpiderMonkey libraries via your system's package management system, eg:

apt-get install libmozjs-dev


yum install js-devel

Warning: Yum may install an older version of SpiderMonkey (1.5) that doesn't work with CouchDB. If you see build errors related to JSOPTION_NATIVE_BRANCH_CALLBACK, you will need to build a newer version of SpiderMonkey as mentioned above.

However, if you need to install from source you should make sure spidermonkey's lib directory is in LD_LIBRARY_PATH:

export LD_LIBRARY_PATH=/usr/local/spidermonkey/lib

Or if this does not work for you, set the /lib and /include locations when running ./configure by using something similar to:

./configure --with-js-lib=/usr/local/spidermonkey/lib --with-js-include=/usr/local/spidermonkey/include

If you get a message like this during "yum install js-devel":

No package js-devel available.
Nothing to do

you may need to add a yum repository. Add rpmforge.repo in /etc/yum.repos.d containing:

# Name: RPMforge RPM Repository for Red Hat Enterprise 5 - dag
# URL: http://rpmforge.net/
name = Red Hat Enterprise $releasever - RPMforge.net - dag
baseurl = ftp://ftp.pbone.net/mirror/atrpms.net/el5-i386/atrpms/stable
enabled = 1
protect = 0
gpgcheck = 0

(Put "x86_64" instead of "i386" if when appropriate.)

Now run:

yum clean all
yum install js-devel

and you should be OK.

=== Installing on Linux for CouchDB versions >= 1.1 ===

Directions adapted from:
 * https://developer.mozilla.org/En/SpiderMonkey/Build_Documentation
 * https://developer.mozilla.org/En/Developer_Guide/Build_Instructions/Linux_Prerequisites


 1. Add RPMForge repo as detailed above (for mercurial, a prerequisite of SpiderMonkey)
 1. Install SpiderMonkey prerequisites (copied from above link)
yum install \
  cvs zip gcc-c++ glib2-devel gtk2-devel fontconfig-devel libnotify-devel \
  libIDL-devel alsa-lib-devel libXt-devel freetype-devel pkgconfig \
  dbus-glib-devel curl-devel autoconf213 xorg-x11-proto-devel libX11-devel \
  libXau-devel libXext-devel wireless-tools-devel glibc-static libstdc++-static yasm \
  mesa-libGL-devel esound-libs esound-devel ccache mercurial
 1. Download a version of SpiderMonkey >= 1.8.5 (CouchDB's ./configure script looks for mozjs185 to determine JS library existence)
curl -L -O http://ftp.mozilla.org/pub/mozilla.org/js/js185-1.0.0.tar.gz
 1. Unpack SpiderMonkey
tar xvf js185-1.0.0.tar.gz

cd js-1.8.5/js/src
 1. Install. 'make install' is needed to move the final files into position, despite it being omitted from Mozilla's process
make install
 1. Use the following ./configure line for CouchDB
./configure --with-erlang=/wherever/your/erlang/install/is --with-js-lib=/usr/local/lib/ --with-js-include=/usr/local/include/js/

== Notes when installing on Android ==

Please see the Android-specific "installing from source" instructions. Since support for Android was added fairly recently to Spidermonkey and NSPR, the above notes won't be of much help to you.