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OpenSTA
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readme 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2024-09-17 12:44:50 -07:00
parent 55069f5691
commit d4f221970d
1 changed files with 14 additions and 18 deletions
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README.md
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@ -128,23 +128,23 @@ The Zlib library is an optional. If CMake finds libz, OpenSTA can
read Liberty, Verilog, SDF, SPF, and SPEF files compressed with gzip. read Liberty, Verilog, SDF, SPF, and SPEF files compressed with gzip.
CUDD is a binary decision diageram (BDD) package that is used to CUDD is a binary decision diageram (BDD) package that is used to
improve conditional timing arc handling, constant propagation, and improve conditional timing arc handling, constant propagation, power
power activity propagation and spice netlist generation. activity propagation and spice netlist generation.
CUDD is available CUDD is available
[here](https://github.com/davidkebo/cudd/blob/main/cudd_versions/cudd-3.0.0.tar.gz). [here](https://github.com/davidkebo/cudd/blob/main/cudd_versions/cudd-3.0.0.tar.gz).
When building CUDD you may use the `--prefix ` option to `configure` to Unpack and build CUDD.
install in a location other than the default (`/usr/local/lib`).
```
cd $HOME/cudd-3.0.0
./configure --prefix $HOME/cudd-3.0.0
make
make install
cd <opensta>/build
cmake -DCUDD_DIR=$HOME/cudd-3.0.0 ,.
``` ```
tar xvfz cudd-3.0.0.tar.gz
cd cudd-3.0.0
./configure
make
```
You can use the "configure --prefix" option and "make install" to install CUDD
in a different directory.
### Installing with CMake ### Installing with CMake
@ -156,7 +156,7 @@ git clone https://github.com/parallaxsw/OpenSTA.git
cd OpenSTA cd OpenSTA
mkdir build mkdir build
cd build cd build
cmake .. cmake -DCUDD_DIR=<CUDD_INSTALL_DIR> ,.
make make
``` ```
The default build type is release to compile optimized code. The default build type is release to compile optimized code.
@ -170,7 +170,7 @@ CMAKE_BUILD_TYPE DEBUG|RELEASE
CMAKE_CXX_FLAGS - additional compiler flags CMAKE_CXX_FLAGS - additional compiler flags
TCL_LIBRARY - path to tcl library TCL_LIBRARY - path to tcl library
TCL_HEADER - path to tcl.h TCL_HEADER - path to tcl.h
CUDD - path to cudd installation CUDD_DIR - path to cudd installation
ZLIB_ROOT - path to zlib ZLIB_ROOT - path to zlib
CMAKE_INSTALL_PREFIX CMAKE_INSTALL_PREFIX
``` ```
@ -179,11 +179,7 @@ If `TCL_LIBRARY` is specified the CMake script will attempt to locate
the header from the library path. the header from the library path.
The default install directory is `/usr/local`. The default install directory is `/usr/local`.
To install in a different directory with CMake use: To install in a different directory with CMake use the CMAKE_INSTALL_PREFIX option.
```
cmake .. -DCMAKE_INSTALL_PREFIX=<prefix_path>
```
If you make changes to `CMakeLists.txt` you may need to clean out If you make changes to `CMakeLists.txt` you may need to clean out
existing CMake cached variable values by deleting all of the existing CMake cached variable values by deleting all of the