@if [ ! -x "$$(which po4a 2>/dev/null)" ]; \
then \
echo "E: po4a - command not found"; \
- echo "I: po4a can be obtained from:"; \
- echo "I: http://po4a.alioth.debian.org/"; \
- echo "I: On Debian based systems, po4a can be installed with:"; \
- echo "I: apt-get install po4a"; \
+ echo "I: po4a can be obtained from https://po4a.org"; \
+ echo "I: On Debian based systems, po4a can be installed with 'apt-get install po4a'."; \
exit 1; \
fi