diff --git a/conda_recipe/xspec-modelsonly-linux/build.sh b/conda_recipe/xspec-modelsonly-linux/build.sh
index e31a3d9..e73057c 100644
--- a/conda_recipe/xspec-modelsonly-linux/build.sh
+++ b/conda_recipe/xspec-modelsonly-linux/build.sh
@@ -3,6 +3,9 @@ echo $PWD
 echo $RECIPE_DIR
 echo $CC
 echo $CXX
+echo $CONDA_PREFIX
+echo $BUILD_PREFIX
+
 
 tar xf heasoft-6.30.1src.tar.gz
 
@@ -37,7 +40,8 @@ cd ${XSPEC_MODELS_ONLY}/BUILD_DIR
 export CFLAGS="-I$CONDA_PREFIX/include"
 export CXXFLAGS="-std=c++11 -Wno-c++11-narrowing -Wall -Wno-deprecated -I$CONDA_PREFIX/include"
 
-export LDFLAGS="$LDFLAGS -L$CONDA_PREFIX/lib -undefined dynamic_lookup --enable-shared"
+#export LDFLAGS="$LDFLAGS -L$CONDA_PREFIX/lib -undefined dynamic_lookup --enable-shared"
+export LDFLAGS="$LDFLAGS -L$CONDA_PREFIX/lib "
 # -L${PREFIX}/lib"
 export CCTEST="echo"
 
diff --git a/conda_recipe/xspec-modelsonly-linux/meta.yaml b/conda_recipe/xspec-modelsonly-linux/meta.yaml
index 6d639b2..61c8897 100644
--- a/conda_recipe/xspec-modelsonly-linux/meta.yaml
+++ b/conda_recipe/xspec-modelsonly-linux/meta.yaml
@@ -10,9 +10,8 @@ build:
 
 requirements:
     build:
-      - gfortran_osx-64 # [osx]
-      - {{ compiler('c') }} # [osx]
-      - {{ compiler('cxx') }} # [osx]
+      - {{ compiler('c') }}
+      - {{ compiler('cxx') }}
       - {{ compiler('fortran') }} # [linux]
       #- libgfortran>=3.0,<4.0 # [osx]
       #- libgfortran-ng==7.5.0 # [linux]
diff --git a/conda_recipe/xspec-modelsonly/conda_build_config.yaml b/conda_recipe/xspec-modelsonly/conda_build_config.yaml
index bfeb2f3..341b44b 100644
--- a/conda_recipe/xspec-modelsonly/conda_build_config.yaml
+++ b/conda_recipe/xspec-modelsonly/conda_build_config.yaml
@@ -1,8 +1,8 @@
-# c_compiler:
-#   - gcc # [linux]
-#   - clang # [osx]
-# cxx_compiler:
-#   - gxx # [linux]
-#   - clangxx # [osx]
-# CONDA_BUILD_SYSROOT:
-#   - /opt/MacOSX10.10.sdk  # [osx]
+c_compiler:
+  - gcc # [linux]
+  - clang # [osx]
+cxx_compiler:
+  - gxx # [linux]
+  - clangxx # [osx]
+CONDA_BUILD_SYSROOT:
+  - /opt/MacOSX10.10.sdk  # [osx]