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Add CMake instructions to README

LT1AB
Ryan Burns 2019-12-14 15:52:14 -08:00
parent 579dfab302
commit d2b93796ca
1 changed files with 23 additions and 3 deletions
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README.md
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@ -192,7 +192,9 @@ the older data with the same workflows available in this open source release.
## Building ISCE ## Building ISCE
### Configuration control ### SCons (recommended)
#### Configuration control
Scons requires that configuration information be present in a directory Scons requires that configuration information be present in a directory
specified by the environment variable SCONS\_CONFIG\_DIR. First, create a specified by the environment variable SCONS\_CONFIG\_DIR. First, create a
@ -252,7 +254,7 @@ and the install files. Also, in the following the capitalization of 'isce' as
lower case does matter. This is the case-sensitive package name that Python lower case does matter. This is the case-sensitive package name that Python
code uses for importing isce. code uses for importing isce.
### Install ISCE #### Install ISCE
cd isce cd isce
scons install scons install
@ -273,7 +275,7 @@ This will build the necessary components and install them into the location
specified in the configuration file as PRJ\_SCONS\_INSTALL. specified in the configuration file as PRJ\_SCONS\_INSTALL.
#### Note about compiling ISCE after an unsuccessful build. ##### Note about compiling ISCE after an unsuccessful build.
When building ISCE, scons will check the list of header files and libraries that When building ISCE, scons will check the list of header files and libraries that
ISCE requires. Scons will cache the results of this dependency checking. So, ISCE requires. Scons will cache the results of this dependency checking. So,
@ -290,6 +292,24 @@ directory containing the SConstruct file):
and then try "scons install" again. and then try "scons install" again.
### CMake (experimental)
Make sure you have the following prerequisites:
* CMake ≥ 3.12
* GCC ≥ 4.8 (with C++11 support)
* Python ≥ 3.5
* Cython
* FFTW 3
* GDAL
```sh
git clone https://github.com/isce-framework/isce2
cd isce2
mkdir build
cd build
cmake .. -DCMAKE_INSTALL_PREFIX=/my/isce/install/location
make install
```
### Setup Your Environment ### Setup Your Environment
Once everything is installed, you will need to set the following environment Once everything is installed, you will need to set the following environment