vxOpenLibm - v1.0.0-dev3 : uninstall support

*add*
> [scripts]
  | [uninstall] support uninstall using cmake install manifest parsing

*fix*
> [scripts]
  | [install] fix help message

scripts/install.sh

@@ -13,7 +13,7 @@ Usage: $0 [options...]
 Options:
   -h, --help            display this help
   -y, --yes             do not display validation step
-      --verbose         display more information during operations
+  -v, --verbose         display more information during operations
       --prefix-sysroot  sysroot (install) prefix path
 
 Notes:

scripts/uninstall.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+#---
+# Help screen
+#---
+
+function help() {
+  cat << EOF
+Uninstallation script for vxOpenLibm project (for of OpenLibm)
+
+Usage: $0 [options...]
+
+Options:
+  -h, --help    display this help
+  -y, --yes     do not display validation step
+  -v, --verbose display more information during operations
+
+Notes:
+    This project is a dependency of "sh-elf-vhex" compiler, manual
+  uninstallation can break all the toolchain.
+EOF
+  exit 0
+}
+
+#---
+# Parse arguments
+#---
+
+verbose=false
+skip_input=false
+for arg; do
+  case "$arg" in
+    -h | --help)                help;;
+    -y | --yes)                 skip_input=true;;
+    -v | --verbose)             verbose=true;;
+    *)
+      echo "error: unreconized argument '$arg', giving up." >&2
+      exit 1
+  esac
+done
+
+#---
+# Preliminary check
+#---
+
+_src=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd "$_src" || exit 1
+source ./_utils.sh
+
+if ! test -f '../openlibm/_build-vhex/install_manifest.txt'
+then
+  echo 'vxOpenLibm not installed, nothing to do'
+  exit 0
+fi
+
+if [[ "$skip_input" != 'true' ]]
+then
+  echo 'This script will remove the vxOpenLibm from the builded sysroot'
+  read -p 'Perform operation [yN] ? ' -r valid
+  if [[ "$valid" != 'y' ]]
+  then
+    echo 'Operation aborded' >&2
+    exit 1
+  fi
+fi
+
+#---
+# Manual uninstall
+#---
+
+echo "$TAG removing installed files..."
+while IFS='' read -r line || [[ -n "$line" ]]
+  do
+    ! test -f "$line" && continue
+    [[ "$verbose" == 'true' ]] && echo "rm $line"
+    rm "$line"
+  done < '../openlibm/_build-vhex/install_manifest.txt'