Makefile: set a file dependency to manpages and docsy targets.

Since `make` cannot determine how many files `limactl` generates, set one representative file as a dependency for both `manpages` and `docsy`.

Signed-off-by: Norio Nomura <[email protected]>

Author: norio-nomura

Makefile

@@ -340,17 +340,27 @@ endif
 
 # _output/share/man/man1
 .PHONY: manpages
-manpages: _output/bin/limactl$(exe)
+# Set limactl.1 as explicit dependency. 
+# It's uncertain how many manpages will be generated by `make`, 
+# because `limactl` generates them without corresponding source code for the manpages.
+manpages: _output/share/man/man1/limactl.1
+_output/share/man/man1/limactl.1: _output/bin/limactl$(exe)
 	@mkdir -p _output/share/man/man1
 	$< generate-doc _output/share/man/man1 \
 		--output _output --prefix $(PREFIX)
 
+################################################################################
 .PHONY: docsy
-docsy: _output/bin/limactl$(exe)
+# Set limactl.md as explicit dependency.
+# It's uncertain how many docsy pages will be generated by `make`, 
+# because `limactl` generates them without corresponding source code for the docsy pages.
+docsy: website/_output/docsy/limactl.md
+website/_output/docsy/limactl.md: _output/bin/limactl$(exe)
 	@mkdir -p website/_output/docsy
 	$< generate-doc --type docsy website/_output/docsy \
 		--output _output --prefix $(PREFIX)
 
+################################################################################
 .PHONY: diagrams
 diagrams: docs/lima-sequence-diagram.png
 docs/lima-sequence-diagram.png: docs/images/lima-sequence-diagram.puml