Add Capella.py Sensor for stripmap workflow

.cmake/isce2_helpers.cmake

@@ -32,6 +32,11 @@ macro(isce2_add_cdll target)
         PREFIX ""
         OUTPUT_NAME ${target}
         SUFFIX .so)
+    # On macOS, conda-forge gfortran may produce dylibs without libSystem linked.
+    # Explicitly link against System to ensure valid shared libraries.
+    if(APPLE)
+        target_link_libraries(${target} PRIVATE "-lSystem")
+    endif()
 
     # If we're the root cmake project (e.g. not add_subdirectory):
     if("${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")

.gitignore

@@ -9,3 +9,7 @@ config.log
 insar.log
 isce.log
 .ipynb_checkpoints
+
+build/
+install/
+data/

components/isceobj/Sensor/CMakeLists.txt

@@ -42,6 +42,7 @@ set(installfiles
     UAVSAR_Stack.py
     SAOCOM_SLC.py
     Lutan1.py
+    Capella.py
     )
 
 if(HDF5_FOUND)