diff --git a/conda/bld.bat b/conda/bld.bat.bak
similarity index 100%
rename from conda/bld.bat
rename to conda/bld.bat.bak
diff --git a/conda/build.sh b/conda/build.sh
deleted file mode 100644
index 604d590..0000000
--- a/conda/build.sh
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/bin/bash
-
-# Inspired from https://github.com/conda-forge/pyqt-feedstock/tree/main/recipe
-
-if [ "$(uname)" == "Linux" ];
-then
-    USED_BUILD_PREFIX=${BUILD_PREFIX:-${PREFIX}}
-
-    ln -s ${GXX} g++ || true
-    ln -s ${GCC} gcc || true
-    ln -s ${USED_BUILD_PREFIX}/bin/${HOST}-gcc-ar gcc-ar || true
-
-    export LD=${GXX}
-    export CC=${GCC}
-    export CXX=${GXX}
-    export PKG_CONFIG_EXECUTABLE=$(basename $(which pkg-config))
-
-    export PATH=${PWD}:${PATH}
-fi
-
-
-echo "**** BUILD"
-sip-install --verbose
-
-echo
-echo "****** CHECK PYTHON LIB"
-
-# To check if Python lib is not in the dependencies with conda-forge distribution.
-# See https://github.com/conda-forge/boost-feedstock/issues/81
-if [ `uname` = "Darwin" ]; then
-    otool -L `${PYTHON} -c "import PyQGLViewer as pyqgl ; print(pyqgl.__file__)"`
-fi
-
-
-if [ "$(uname)" == "Linux" ];
-then
-    ldd `${PYTHON} -c "import PyQGLViewer as pyqgl ; print(pyqgl.__file__)"`
-
-fi
-echo "****** END OF BUILD PROCESS"
diff --git a/conda/build.sh.bak b/conda/build.sh.bak
new file mode 100644
index 0000000..18ce957
--- /dev/null
+++ b/conda/build.sh.bak
@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# Inspired from https://github.com/conda-forge/pyqt-feedstock/tree/main/recipe
+
+if [ "$(uname)" == "Linux" ]; then
+    GXX_PATH=$(command -v "${GXX}")
+    GCC_PATH=$(command -v "${GCC}")
+    GCC_AR_PATH=$(command -v "${GCC_AR}")
+    ln -sf "${GXX_PATH}" g++
+    ln -sf "${GCC_PATH}" gcc
+    ln -sf "${GCC_AR_PATH}" gcc-ar
+
+    export LD=${GXX}
+    export CC=${GCC}
+    export CXX=${GXX}
+    export PKG_CONFIG_EXECUTABLE=$(basename $(which pkg-config))
+
+    chmod +x g++ gcc gcc-ar
+    export PATH=${PWD}:${PATH}
+
+    SYSROOT_FLAGS="-L ${BUILD_PREFIX}/${HOST}/sysroot/usr/lib64 -L ${BUILD_PREFIX}/${HOST}/sysroot/usr/lib"
+    export CFLAGS="$SYSROOT_FLAGS $CFLAGS"
+    export CXXFLAGS="$SYSROOT_FLAGS $CXXFLAGS"
+    export LDFLAGS="$SYSROOT_FLAGS $LDFLAGS"
+fi
+
+echo "CC=${CC}"
+echo "CXX=${CXX}"
+echo "GCC=${GCC}"
+echo "GXX=${GXX}"
+
+which gcc
+which g++
+
+readlink -f "$(which gcc)" || true
+readlink -f "$(which g++)" || true
+readlink -f "$GCC" || true
+readlink -f "$GXX" || true
+
+"${CC}" --version
+"${CXX}" --version
+
+"$GXX" -v -E -x c++ /dev/null
+
+${PYTHON} -m pip install --force-reinstall sip pyqt5-sip pyqt5  
+
+echo "**** BUILD"
+${PYTHON} -m pip install . -v --no-build-isolation --no-deps
+
+echo
+echo "****** CHECK PYTHON LIB"
+
+# To check if Python lib is not in the dependencies with conda-forge distribution.
+# See https://github.com/conda-forge/boost-feedstock/issues/81
+if [ $(uname) = "Darwin" ]; then
+    otool -L $(${PYTHON} -c "import PyQGLViewer as pyqgl ; print(pyqgl.__file__)")
+fi
+
+if [ "$(uname)" == "Linux" ]; then
+    ldd $(${PYTHON} -c "import PyQGLViewer as pyqgl ; print(pyqgl.__file__)")
+
+fi
+echo "****** END OF BUILD PROCESS"
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 545a1ed..a7db505 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -19,27 +19,31 @@ build:
   string: py{{ PY_VER }}
   script_env:
     - SETUPTOOLS_SCM_PRETEND_VERSION
+  script:
+    - {{ PYTHON }} -m pip install . -v --no-build-isolation 
 
 requirements:
   build:
-    - {{ compiler('cxx')}}
+    - {{ compiler('c') }}
+    - {{ compiler('cxx') }}
+    - {{ stdlib('c') }}
     - make                               # [unix]
-    - pkg-config                         # [linux]
-    - {{ cdt('mesa-libgl-devel') }}      # [linux]  # match libqglviewer CDT GL strategy
+    - pkg-config                         # [unix]
+    - libgl-devel                        # [linux]  # match libqglviewer CDT GL strategy
     # from https://conda-forge.org/docs/maintainer/knowledge_base.html#libgl
-    - python                             # [build_platform != target_platform]
-    - sip                                # [build_platform != target_platform]
-    - pyqt-builder                       # [build_platform != target_platform]
+    - python
+    # - sip           
+    # - pyqt  
+    # - pyqt-builder                    
   host:
     - python
     - pip
+    # - sip
+    # - pyqt-builder
+    - packaging
     - qt-main
-    - pyqt
     - libqglviewer
-    - sip
-    - pyqt5-sip
-    - pyqt-builder
-    - {{ cdt('mesa-libgl-devel') }}      # [linux]
+    - libgl-devel                        # [linux]
     - libxcb                             # [linux]
     - pthread-stubs                      # [linux]
     - xorg-libxfixes                     # [linux]
@@ -47,8 +51,8 @@ requirements:
 
   run:
     - python
-    - {{ pin_compatible('pyqt', max_pin='x.x') }}
-    - {{ pin_compatible('libqglviewer', max_pin='x.x') }}
+    - pyqt
+    - libqglviewer
     - pyopengl
     - xorg-libxfixes  # [linux]
 
diff --git a/pyproject.toml b/pyproject.toml
index 9b3ae39..636b8ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,10 @@ readme = "README.md"
 authors = [
     { name = "Frederic Boudon", email = "frederic.boudon@cirad.fr" }
 ]
+dependencies = [
+    "PyQt5",
+    "PyQt5-sip"
+]
 
 [tool.sip.project]
 sip-module = "PyQt5.sip"
@@ -23,6 +27,8 @@ sip-files-dir = "sip"
 [tool.sip.bindings.PyQGLViewer]
 qmake-QT = ['xml', 'opengl', 'gui', 'widgets']
 tags = ['QGLViewer_2_9_1']
+include-dirs=['${CONDA_PREFIX}/include']
+library-dirs=['${CONDA_PREFIX}/lib']
 
 # Could specified directly with new construct but currently only working on MacOS. Instead options set in project.py
 # libraries = ['QGLViewer ; system_platform == "Linux"','GLU  ; system_platform == "Linux"']
\ No newline at end of file