Merge pull request EOSIO#26 from EOSIO/readme_update-1

Update README.md

README.md

@@ -30,43 +30,15 @@ $ ./build.sh <CORE_SYMBOL>
 Finally, install the build
     *This install will install the core to ```/usr/local/eosio.wasmsdk``` and symlinks to the top level tools (compiler, ld, etc.) to ```/usr/local/bin```
 ```sh
-$ cd build
-$ sudo make install
-```
-
-### Manual Installation
-`WasmSDK requires CMake v3.5+ and Boost 1.67.0 to run.`
-
-First clone the repo and create a build directory
-
-```sh
-$ git clone --recursive https://github.com/eosio/wasmsdk
-$ cd wasmsdk
-$ mkdir build && cd build
-```
-
-Then configure with cmake to install to ```/usr/local/eosio.wasmsdk```
-
-```sh
-$ cmake ..
-```
-
-or configure cmake to install to a specific path
-```sh
-$ cmake -DCMAKE_INSTALL_PREFIX=<install path> ..
-```
-
-Then to install, simply
-```sh
-$ make && make install
+$ sudo ./install.sh
 ```
 
 ### Installed Tools
 ---
 * [eosio-cpp](#eosio-cpp)
 * [eosio-cc](#eosio-cc)
 * [eosio-ld](#eosio-ld)
-* eosio-pp (only strips all zeroed initialized data segments for now, currently runs automatically with cpp/cc and ld)
+* eosio-pp (post processing pass for WASM, automatically runs with eosio-cpp and eosio-ld)
 * eosio-ranlib
 * eosio-ar
 * eosio-objdump
@@ -179,6 +151,8 @@ eosio.ld options:
   -L=<string>       - Add directory to library search path
   -fno-cfl-aa       - Disable CFL Alias Analysis
   -fno-lto          - Disable LTO
+  -fno-post-pass    - Don't run post processing pass
+  -fno-stack-first  - Don't set the stack first in memory
   -l=<string>       - Root name of library to link
   -lto-opt=<string> - LTO Optimization level (O0-O3)
   -o=<string>       - Write output to <file>