Discover a POSIX shell for Solaris

Under Solaris, use ksh instead of `/bin/sh`.

This uses `$SHELL` as a POSIX shell, coupled with a `configure` check
that sets it correctly.

Note that the POSIX shell might end up being bash, so this actually
introduces more fragmentation than it reduces.

Taken from https://github.com/freedreno/mesa/blob/master/configure.ac

1 files changed, 0 insertions, 188 deletions

diff --git a/bin/rcup b/bin/rcup
deleted file mode 100755
index b45157b..0000000
--- a/bin/rcup
+++ /dev/null
@@ -1,188 +0,0 @@
-#!/bin/sh
-
-: ${RCM_LIB:=$(dirname "$0")/../share/rcm}
-. "$RCM_LIB/rcm.sh"
-
-link_or_copy() {
-  $DEBUG "link_or_copy $1"
-  local sigil="$1"
-
-  if [ "x$sigil" = "xX" ]; then
-    echo "cp_v"
-  else
-    echo "$LN"
-  fi
-}
-
-link_file() {
-  local src="$1"
-  local dest="$2"
-  local sigil="$3"
-
-  if [ -h "$dest" ]; then
-    rm_v -f "$dest"
-  fi
-
-  action="$(link_or_copy "$sigil")"
-  $DEBUG "$action $src $dest"
-  $action "$src" "$dest"
-}
-
-replace_file() {
-  local src="$1"
-  local dest="$2"
-  local sigil="$3"
-
-  $DEBUG replace_file "$1" "$2" $3
-
-  rm_v -rf "$dest"
-  link_file "$src" "$dest" "$sigil"
-}
-
-is_nested() {
-  echo "$1" | sed "s:$DEST_DIR/::" | grep -q '/'
-}
-
-is_identical() {
-  diff -q -s "$1" "$2" > /dev/null
-}
-
-handle_dir() {
-  local dest="$1"
-
-  $DEBUG "handle_dir $1"
-
-  dirname "$dest" | xargs $MKDIR -p
-}
-
-handle_file() {
-  local src="$1"
-  local dest="$2"
-  local sigil="$3"
-
-  $DEBUG "handle_file $1 $2 $3"
-
-  if [ -e "$dest" ]; then
-    if is_identical "$src" "$dest"; then
-      $VERBOSE "identical $dest"
-    elif [ $REPLACE_ALL -eq 1 ]; then
-      replace_file "$src" "$dest" "$sigil"
-    else
-      $PROMPT "overwrite ${dest}? [ynaq]"
-      read overwrite
-      case "$overwrite" in
-        a) REPLACE_ALL=1
-           replace_file "$src" "$dest" "$sigil"
-           ;;
-        y) replace_file "$src" "$dest" "$sigil" ;;
-        q) exit 1 ;;
-        *) $VERBOSE "skipping $dest" ;;
-      esac
-    fi
-  else
-    link_file "$src" "$dest" "$sigil"
-  fi
-}
-
-show_help() {
-  local exit_code=${1:-0}
-
-  $PRINT "Usage: rcup [-CVqvfhikK] [-I EXCL_PAT] [-x EXCL_PAT] [-t TAG] [-d DOT_DIR]"
-  $PRINT "see rcup(1) and rcm(5) for more details"
-
-  exit $exit_code
-}
-
-handle_command_line() {
-  local arg_tags=
-  local verbosity=0
-  local version=0
-  local run_hooks=1
-  local dotfiles_dirs=
-  local files=
-  local excludes=
-  local includes=
-  local always_copy=0
-  local symlink_dirs=
-  REPLACE_ALL=0
-
-  while getopts CVqvfhikKI:x:S:t:d: opt; do
-    case "$opt" in
-      C) always_copy=1 ;;
-      d) dotfiles_dirs="$dotfiles_dirs $OPTARG" ;;
-      f) REPLACE_ALL=1 ;;
-      h) show_help ;;
-      i) REPLACE_ALL=0 ;;
-      I) includes="$includes $OPTARG" ;;
-      k) run_hooks=1 ;;
-      K) run_hooks=0 ;;
-      q) verbosity=$(($verbosity - 1)) ;;
-      t) arg_tags="$arg_tags $OPTARG" ;;
-      S) symlink_dirs="$symlink_dirs $OPTARG";;
-      v) verbosity=$(($verbosity + 1)) ;;
-      V) version=1 ;;
-      x) excludes="$excludes $OPTARG" ;;
-    esac
-  done
-  shift $(($OPTIND-1))
-
-  LN="ln_v"
-  if [ $always_copy -eq 1 ]; then
-    LN="cp_v"
-  fi
-
-  handle_common_flags rcup $version $verbosity
-
-  tags="${arg_tags:-$TAGS}"
-  DOTFILES_DIRS="${dotfiles_dirs:-$DOTFILES_DIRS}"
-  RUN_HOOKS=$run_hooks
-  files="$@"
-
-  for tag in $tags; do
-    LS_ARGS="$LS_ARGS -t $tag"
-  done
-  for dotfiles_dir in $DOTFILES_DIRS; do
-    LS_ARGS="$LS_ARGS -d $dotfiles_dir"
-  done
-  for exclude in $excludes; do
-    LS_ARGS="$LS_ARGS -x $exclude"
-  done
-  for include in $includes; do
-    LS_ARGS="$LS_ARGS -I $include"
-  done
-  for symlink_dir in $symlink_dirs; do
-    LS_ARGS="$LS_ARGS -S $symlink_dir"
-  done
-  LS_ARGS="$LS_ARGS $files"
-
-  $DEBUG "LS_ARGS: $LS_ARGS"
-}
-
-LS_ARGS=-F
-
-handle_command_line "$@"
-: ${DOTFILES_DIRS:=$DOTFILES_DIRS $DEFAULT_DOTFILES_DIR}
-
-run_hooks pre up
-
-dests_and_srcs="$(lsrc $LS_ARGS)"
-
-saved_ifs="$IFS"
-IFS='
-'
-for dest_and_src in $dests_and_srcs; do
-  IFS=:
-  set -- $dest_and_src
-  IFS="$saved_ifs"
-  dest="$1"
-  src="$2"
-  sigil="$3"
-
-  if is_nested "$dest"; then
-    handle_dir "$dest"
-  fi
-
-  handle_file "$src" "$dest" "$sigil"
-done
-
-run_hooks post up