diff --git a/common/build-style/python-module.sh b/common/build-style/python-module.sh
index ff8f107745..15cf7577ad 100644
--- a/common/build-style/python-module.sh
+++ b/common/build-style/python-module.sh
@@ -10,13 +10,23 @@ do_build() {
 		if [ -n "$CROSS_BUILD" ]; then
 			CFLAGS="$tmp_cflags"
 			LDFLAGS="$tmp_ldflags"
+			ADDENV=
 
 			PYPREFIX="$XBPS_CROSS_BASE"
 			CFLAGS+=" -I${XBPS_CROSS_BASE}/include/python${pyver} -I${XBPS_CROSS_BASE}/usr/include"
 			LDFLAGS+=" -L${XBPS_CROSS_BASE}/lib/python${pyver} -L${XBPS_CROSS_BASE}/usr/lib"
 			CC="${XBPS_CROSS_TRIPLET}-gcc -pthread $CFLAGS $LDFLAGS"
 			LDSHARED="${CC} -shared $LDFLAGS"
-			env CC="$CC" LDSHARED="$LDSHARED" \
+			case $pyver in
+			3.*)
+				for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+					f=${f##*/}
+					_PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+				done
+				ADDENV+=" PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib}"
+				ADDENV+=" _PYTHON_SYSCONFIGDATA_NAME="$_PYTHON_SYSCONFIGDATA_NAME""
+			esac
+			env CC="$CC" LDSHARED="$LDSHARED" $ADDENV \
 				PYPREFIX="$PYPREFIX" CFLAGS="$CFLAGS" \
 				LDFLAGS="$LDFLAGS" python${pyver} setup.py \
 					build --build-base=build-${pyver} ${make_build_args}
@@ -50,12 +60,22 @@ do_install() {
 
 	for pyver in $python_versions; do
 		if [ -n "$CROSS_BUILD" ]; then
+			ADDENV=
 			PYPREFIX="$XBPS_CROSS_BASE"
 			CFLAGS+=" -I${XBPS_CROSS_BASE}/include/python${pyver} -I${XBPS_CROSS_BASE}/usr/include"
 			LDFLAGS+=" -L${XBPS_CROSS_BASE}/lib/python${pyver} -L${XBPS_CROSS_BASE}/usr/lib"
 			CC="${XBPS_CROSS_TRIPLET}-gcc -pthread $CFLAGS $LDFLAGS"
 			LDSHARED="${CC} -shared $LDFLAGS"
-			env CC="$CC" LDSHARED="$LDSHARED" \
+			case $pyver in
+			3.*)
+				for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+					f=${f##*/}
+					_PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+				done
+				ADDENV+=" PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib}"
+				ADDENV+=" _PYTHON_SYSCONFIGDATA_NAME="$_PYTHON_SYSCONFIGDATA_NAME""
+			esac
+			env CC="$CC" LDSHARED="$LDSHARED" $ADDENV \
 				PYPREFIX="$PYPREFIX" CFLAGS="$CFLAGS" \
 				LDFLAGS="$LDFLAGS" python${pyver} setup.py \
 					build --build-base=build-${pyver} \
diff --git a/common/build-style/python3-module.sh b/common/build-style/python3-module.sh
index 8bf3433ddd..db56feb5e0 100644
--- a/common/build-style/python3-module.sh
+++ b/common/build-style/python3-module.sh
@@ -9,8 +9,14 @@ do_build() {
 		LDFLAGS+=" -L${XBPS_CROSS_BASE}/${py3_lib} -L${XBPS_CROSS_BASE}/usr/lib"
 		CC="${XBPS_CROSS_TRIPLET}-gcc -pthread $CFLAGS $LDFLAGS"
 		LDSHARED="${CC} -shared $LDFLAGS"
+		for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+			f=${f##*/}
+			_PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+		done
 		env CC="$CC" LDSHARED="$LDSHARED" \
 			PYPREFIX="$PYPREFIX" CFLAGS="$CFLAGS" \
+			PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib} \
+			_PYTHON_SYSCONFIGDATA_NAME="$_PYTHON_SYSCONFIGDATA_NAME" \
 			LDFLAGS="$LDFLAGS" python3 setup.py build ${make_build_args}
 	else
 		python3 setup.py build ${make_build_args}
@@ -36,8 +42,14 @@ do_install() {
 		LDFLAGS+=" -L${XBPS_CROSS_BASE}/${py3_lib} -L${XBPS_CROSS_BASE}/usr/lib"
 		CC="${XBPS_CROSS_TRIPLET}-gcc -pthread $CFLAGS $LDFLAGS"
 		LDSHARED="${CC} -shared $LDFLAGS"
+		for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+			f=${f##*/}
+			_PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+		done
 		env CC="$CC" LDSHARED="$LDSHARED" \
 			PYPREFIX="$PYPREFIX" CFLAGS="$CFLAGS" \
+			PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib} \
+			_PYTHON_SYSCONFIGDATA_NAME="$_PYTHON_SYSCONFIGDATA_NAME" \
 			LDFLAGS="$LDFLAGS" python3 setup.py \
 				install --prefix=/usr --root=${DESTDIR} ${make_install_args}
 	else