doc: use install-dependencies.sh on docs

Added CentOS7, Ubuntu15.10/16.04 on docs since it's supported on Scylla, dropped Fedora 20 from docs since it's outdated.

Signed-off-by: Takuya ASADA <[email protected]>
Message-Id: <[email protected]>

README.md

@@ -11,7 +11,7 @@ It is based on [futures](http://en.wikipedia.org/wiki/Futures_and_promises).
 Building Seastar
 --------------------
 
-See instructions for [Fedora](doc/building-fedora.md) and [Ubuntu](doc/building-ubuntu.md).
+See instructions for [Fedora](doc/building-fedora.md), [CentOS](doc/building-centos.md) and [Ubuntu](doc/building-ubuntu.md).
 
 There are also instructions for building on any host that supports [Docker](doc/building-docker.md).
 

doc/building-centos.md

@@ -0,0 +1,14 @@
+## Building Seastar on CentOS
+
+### Building seastar on CentOS 7
+
+Installing required packages:
+```
+sudo ./install-dependencies.sh
+```
+
+To compile Seastar explicitly using gcc 5, use:
+```
+./configure.py --compiler=/opt/scylladb/bin/g++ --static-stdc++
+ninja-build
+```

doc/building-fedora.md

@@ -4,7 +4,7 @@
 
 Installing required packages:
 ```
-yum install gcc-c++ libaio-devel ninja-build ragel hwloc-devel numactl-devel libpciaccess-devel cryptopp-devel xen-devel boost-devel libxml2-devel xfsprogs-devel gnutls-devel lksctp-tools-devel libubsan libasan
+sudo ./install-dependencies.sh
 ```
 
 You then need to run the following to create the "build.ninja" file:
@@ -21,31 +21,3 @@ ninja-build
 ```
 
 In case there are compilation issues, especially like ```g++: internal compiler error: Killed (program cc1plus)``` try giving more memory to gcc, either by limiting the amount of threads ( -j1 ) and/or allowing at least 4g ram to your machine
-
-### Building seastar on Fedora 20
-
-Installing GCC 4.9 for gnu++1y:
-* Beware that this installation will replace your current GCC version.
-```
-yum install fedora-release-rawhide
-yum --enablerepo rawhide update gcc-c++
-yum --enablerepo rawhide install libubsan libasan
-```
-
-Installing required packages:
-```
-yum install libaio-devel ninja-build ragel hwloc-devel numactl-devel libpciaccess-devel cryptopp-devel gnutls-devel
-```
-
-You then need to run the following to create the "build.ninja" file:
-```
-./configure.py
-```
-Note it is enough to run this once, and you don't need to repeat it before
-every build. build.ninja includes a rule which will automatically re-run
-./configure.py if it changes.
-
-Then finally:
-```
-ninja-build
-```

doc/building-ubuntu.md

@@ -1,33 +1,14 @@
 ## Building Seastar on Ubuntu
 
-### Building seastar on Ubuntu 14.04
+### Building seastar on Ubuntu 14.04/15.10/16.04
 
 Installing required packages:
 ```
-sudo apt-get install libaio-dev ninja-build ragel libhwloc-dev libnuma-dev libpciaccess-dev libcrypto++-dev libboost-all-dev libxen-dev libxml2-dev xfslibs-dev
+sudo ./install-dependencies.sh
 ```
 
-Installing GCC 4.9 for gnu++1y. Unlike the Fedora case above, this will
-not harm the existing installation of GCC 4.8, and will install an
-additional set of compilers, and additional commands named gcc-4.9,
-g++-4.9, etc., that need to be used explicitly, while the "gcc", "g++",
-etc., commands continue to point to the 4.8 versions.
-
-```
-# Install add-apt-repository
-sudo apt-get install software-properties-common python-software-properties
-# Use it to add Ubuntu's testing compiler repository
-sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-sudo apt-get update
-# Install gcc 4.9 and relatives
-sudo apt-get install g++-4.9
-# Also set up necessary header file links and stuff (?)
-sudo apt-get install gcc-4.9-multilib g++-4.9-multilib
+To compile Seastar explicitly using gcc 5, use:
 ```
-
-To compile Seastar explicitly using gcc 4.9, use:
-```
-./configure.py --compiler=g++-4.9
+./configure.py --compiler=g++-5
 ninja
 ```
-