makefiles: support help target

Usable targets for top-level make.

diff --git a/Makefile.in b/Makefile.in
index a5eb00442a8e5db46b91df84d0e603a46fc7795e..095f1f447b4b7dc155d26adb06b2a497e8500c40 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -154,6 +154,31 @@ install_all_man:
 install_tmpfiles_configuration:
        $(MAKE) -C scripts install_tmpfiles_configuration
 
+help:
+       @echo -e "\nAvailable targets:"
+       @echo "  all                    Default target."
+       @echo "  all_man                Build all man pages with generators."
+       @echo "  clean                  Remove all compile files."
+       @echo "  device-mapper          Device mapper part of lvm2."
+       @echo "  dist                   Generate distributable file."
+       @echo "  distclean              Remove all build files."
+       @echo "  generate               Generate man pages for sources."
+       @echo "  help                   Display callable targets."
+       @echo "  install                Install all files."
+       @echo "  install_all_man        Install all man pages."
+       @echo "  install_cluster        Install cmirrord."
+       @echo "  install_device-mapper  Install device mapper files."
+       @echo "  install_initscripts    Install initialization scripts."
+       @echo "  install_lvm2           Install lvm2 files."
+       @echo "  install_systemd_units  Install systemd units."
+       @echo "  lcov                   Generate lcov output."
+       @echo "  lcov-dated             Generate lcov with timedate suffix."
+       @echo "  lcov-reset             Reset lcov counters"
+       @echo "  man                    Build man pages."
+       @echo "  rpm                    Build rpm."
+       @echo "  run-unit-test          Run unit tests."
+       @echo "  tags                   Generate c/etags."
+
 ifneq ("$(LCOV)", "")
 .PHONY: lcov-reset lcov lcov-dated