INSTALL, RELEASE, cmd.mk, lint-man.mk: Use expr(1) instead of bc(1)

Both bc(1) and expr(1) are in POSIX.  However, expr(1) is provided by
GNU coreutils, and seems simpler to use.  This will simplify the
dependencies required to package the project.

Document the change in dependencies too.

Signed-off-by: Alejandro Colomar <alx@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/RELEASE b/RELEASE
index 1d5dd6f28..7ac1545fc 100644
--- a/RELEASE
+++ b/RELEASE
@@ -15,8 +15,8 @@ Description
        The following list of dependencies states what the build system (the
        makefiles) need to perform the relevant (dist) targets:
 
-       -  bc(1)
        -  echo(1)
+       -  expr(1)
        -  find(1)
        -  git(1)
        -  grep(1)