diff --git a/.gitmodules b/.gitmodules
index 8889447..452cfd0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "pypoisson"]
 	path = pypoisson
-	url = git@github.com:mmolero/pypoisson.git
+	url = https://github.com/mmolero/pypoisson.git
diff --git a/ReadMe.md b/ReadMe.md
index 209f90e..442352c 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -100,6 +100,12 @@ $ export LD_LIBRARY_PATH=$MEM_HOME/external/lib:$MEM_HOME/external/lib64:$LD_LIB
 $ export DYLD_LIBRARY_PATH=$MEM_HOME/external/lib:$MEM_HOME/external/lib64:$DYLD_LIBRARY_PATH
 ```
 
+##### 1c. Eigen, Boost, and CGAL (conda)
+```
+export MEM_HOME=$your_installation_path
+create -p $MEM_HOME cgal=4.13.0 eigen cython swig cmake numpy gcc_linux-64=7 gxx cython libxcrypt scipy
+```
+
 #### 2. MemSurfer
 
 Once the dependencies have been installed, `MemSurfer` can be installed
@@ -120,6 +126,19 @@ $ CC=`which gcc` CXX=`which g++` LDCXXSHARED="`which g++` -bundle -undefined dyn
   python setup.py install
 ```
 
+##### 2a. MemSurfer installation within preset conda environment
+
+```
+export CPATH=$MEM_HOME/include
+export CGAL_ROOT=$MEM_HOME
+export EIGEN_ROOT=$MEM_HOME
+export BOOST_ROOT=$MEM_HOME
+conda activate $MEM_HOME
+git clone --recursive https://github.com/gefei-qian-nih/MemSurfer.git
+cd MemSurfer
+CC=`which gcc` CXX=`which g++` LDCXXSHARED="`which g++` -bundle -undefined dynamic_lookup"   python -m pip  install .
+```
+
 ### Trobubleshooting and Known Issues
 
 ***Jul 20, 2021:*** It appears that compilation using `gcc@8` results in a `segfault` or
diff --git a/setup.py b/setup.py
index 0724d7d..9d7afba 100644
--- a/setup.py
+++ b/setup.py
@@ -119,7 +119,7 @@ class CustomBuildExt(build_ext):
 
     def build_extensions(self):
         compiler_name = self.compiler.compiler[0]
-        if not self.compiler._is_gcc(compiler_name):
+        if not self.compiler._is_gcc():
             raise Exception(f'Need a GCC compiler. Found ({compiler_name})')
         super().build_extensions()
 
@@ -165,7 +165,7 @@ def run(self):
     LIBS_EXT = [os.path.basename(l) for l in LIBS_EXT]
     LIBS_EXT = [os.path.splitext(l)[0] for l in LIBS_EXT]
     LIBS_EXT = [l[3:] for l in LIBS_EXT]
-
+    LIBS_EXT = ['CGAL','gmp']
     # --------------------------------------------------------------------------
     # install pypoisson as an Extension module
     # included the setup functionality of https://github.com/mmolero/pypoisson