Commits on May 7, 2022

1. configure*: remove ultimately unused INSTALL and RANLIB check macros …

   From the manual of GNU Autoconf (version 2.69):
   
   >  -- Macro: AC_PROG_INSTALL
   >      Set output variable 'INSTALL' to the name of a BSD-compatible
   >      'install' program, if one is found in the current 'PATH'.
   >      Otherwise, set 'INSTALL' to 'DIR/install-sh -c', checking the
   >      directories specified to 'AC_CONFIG_AUX_DIR' (or its default
   >      directories) to determine DIR (*note Output::).  Also set the
   >      variables 'INSTALL_PROGRAM' and 'INSTALL_SCRIPT' to '${INSTALL}'
   >      and 'INSTALL_DATA' to '${INSTALL} -m 644'.
   
   >  -- Macro: AC_PROG_RANLIB
   > 	 Set output variable 'RANLIB' to 'ranlib' if 'ranlib' is found,
   > 	 and otherwise to ':' (do nothing).
   
   None of the aforementioned variables are used:
   
       $ git grep -F -e '${INSTALL}' -e INSTALL_PROGRAM -e INSTALL_SCRIPT \
         -e INSTALL_DATA -e RANLIB
       $
   
   So remove the macros that define them.
   
   Misc: The macros in question have been present on configure.ac since it
   was created, on commit 1379851 ("Baseline firejail 0.9.28",
   2015-08-08).  And while the install command is called multiple times,
   ranlib is not used anywhere (and it seems that it was never used):
   
       $ git grep -E '^[[:blank:]]+install ' -- '*Makefile*' '*.mk*' |
         wc -l
       32
       $ git grep -F ranlib | wc -l
       0
       $ git log --pretty= --name-only -G'RANLIB|ranlib' \
         1379851..master | sort -u
       README.md
   
   Kind of relates to netblue30#4695.

   

   kmk3 committed May 7, 2022
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