aaac7fed
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add
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### Get the sources
```bash
# using git is preferred
git clone https://github.com/sass/libsass.git
# only needed for sassc and/or testsuite
git clone https://github.com/sass/sassc.git libsass/sassc
git clone https://github.com/sass/sass-spec.git libsass/sass-spec
```
### Prerequisites
In order to run autotools you need a few tools installed on your system.
```bash
yum install automake libtool # RedHat Linux
emerge -a automake libtool # Gentoo Linux
pkgin install automake libtool # SmartOS
```
### Create configure script
```bash
cd libsass
autoreconf --force --install
cd ..
```
### Create custom makefiles
```bash
cd libsass
./configure \
--disable-tests \
--disable-shared \
--prefix=/usr
cd ..
```
### Build the library
```bash
make -C libsass -j5
```
### Install the library
The library will be installed to the location given as `prefix` to `configure`. This is standard behavior for autotools and not `libsass` specific.
```bash
make -C libsass -j5 install
```
### Configure options
The `configure` script is created by autotools. To get an overview of available options you can call `./configure --help`. When you execute this script, it will create specific makefiles, which you then use via the regular make command.
There are some `libsass` specific options:
```
Optional Features:
--enable-tests enable testing the build
--enable-coverage enable coverage report for test suite
--enable-shared build shared libraries [default=yes]
--enable-static build static libraries [default=yes]
Optional Packages:
--with-sassc-dir=<dir> specify directory of sassc sources for
testing (default: sassc)
--with-sass-spec-dir=<dir> specify directory of sass-spec for testing
(default: sass-spec)
```
### Build sassc and run spec test-suite
```bash
cd libsass
autoreconf --force --install
./configure \
--enable-tests \
--enable-shared \
--prefix=/usr
make -j5 test_build
cd ..
```
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