If HAVE_SPHINX=0 but HAVE_DOXYGEN=1, then the previous version was
trying to install notmuch.3.gz but only got as far as creating
notmuch.3
ifeq ($(HAVE_DOXYGEN),1)
MAN_GZIP_FILES += ${APIMAN}.gz
apidocs: $(APIMAN)
ifeq ($(HAVE_DOXYGEN),1)
MAN_GZIP_FILES += ${APIMAN}.gz
apidocs: $(APIMAN)
-install-apidocs: apidocs
+install-apidocs: ${APIMAN}.gz
mkdir -p "$(DESTDIR)$(mandir)/man3"
install -m0644 $(DOCBUILDDIR)/man/man3/*.3.gz $(DESTDIR)/$(mandir)/man3
mkdir -p "$(DESTDIR)$(mandir)/man3"
install -m0644 $(DOCBUILDDIR)/man/man3/*.3.gz $(DESTDIR)/$(mandir)/man3