diff --git a/Makefile b/Makefile
index 6380898..7249985 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,7 @@ minor-version = 8
 version := $(major-version).$(minor-version)
 
 prefix = /tmp/sunterlib
+dest-dir = /tmp/stage
 
 s48-authors := $(shell find s48 \
                   -maxdepth 2 -mindepth 2 \
@@ -44,9 +45,15 @@ pkg-def.scm : $(s48-authors) $(scsh-authors) \
               build/dirs.scm
 	build/make-pkg-def.scm $(major-version) $(minor-version)
 
-.PHONY : install uninstall
+.PHONY : install uninstall build-phase install-phase
 install : $(targets)
-	scsh-install-pkg --prefix $(prefix)
+	scsh-install-pkg --prefix $(prefix) --dest-dir $(dest-dir)
+
+build-phase: $(targets)
+	scsh-install-pkg --prefix $(prefix) --dest-dir $(dest-dir) --phases build
+
+install-phase: $(targets)
+	scsh-install-pkg --prefix $(prefix) --dest-dir $(dest-dir) --phases install
 
 .PHONY : dist
 dist : $(targets)
diff --git a/NEWS b/NEWS
index 337bc31..cc5de01 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
 version 0.8
+* Use install lib version 1.2.0
+* Automatically check if libraries' NEWS and pkg-def.scm versions match.
 * New s48 library: riatables
 
 version 0.7 2004-06-03
diff --git a/s48/args-fold/pkg-def.scm b/s48/args-fold/pkg-def.scm
index 7b6c636..147aa6d 100644
--- a/s48/args-fold/pkg-def.scm
+++ b/s48/args-fold/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "srfi-37"
   (0 4)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/banana/pkg-def.scm b/s48/banana/pkg-def.scm
index 69891ba..40e0c8d 100644
--- a/s48/banana/pkg-def.scm
+++ b/s48/banana/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "banana"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/binary-parse/pkg-def.scm b/s48/binary-parse/pkg-def.scm
index 28fd8f5..d5f7e2f 100644
--- a/s48/binary-parse/pkg-def.scm
+++ b/s48/binary-parse/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "binary-parse"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/cml/pkg-def.scm b/s48/cml/pkg-def.scm
index cf1c6a3..7ec0c7b 100644
--- a/s48/cml/pkg-def.scm
+++ b/s48/cml/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "cml"
   (1 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/concurrency/pkg-def.scm b/s48/concurrency/pkg-def.scm
index bdbb856..edda849 100644
--- a/s48/concurrency/pkg-def.scm
+++ b/s48/concurrency/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "concurrency"
   (0 2)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/continuation-data-type/pkg-def.scm b/s48/continuation-data-type/pkg-def.scm
index a76b5a3..db1a6da 100644
--- a/s48/continuation-data-type/pkg-def.scm
+++ b/s48/continuation-data-type/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "continuation-data-type"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/exceptions/pkg-def.scm b/s48/exceptions/pkg-def.scm
index 67b845b..47227b3 100644
--- a/s48/exceptions/pkg-def.scm
+++ b/s48/exceptions/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "exceptions"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/heap-images/pkg-def.scm b/s48/heap-images/pkg-def.scm
index 0bdad39..17a3449 100644
--- a/s48/heap-images/pkg-def.scm
+++ b/s48/heap-images/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "heap-images"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/intsets/pkg-def.scm b/s48/intsets/pkg-def.scm
index f3cb656..939d5f0 100644
--- a/s48/intsets/pkg-def.scm
+++ b/s48/intsets/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "intsets"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/krims/pkg-def.scm b/s48/krims/pkg-def.scm
index cb7a73e..822a940 100644
--- a/s48/krims/pkg-def.scm
+++ b/s48/krims/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "krims"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/module-system/pkg-def.scm b/s48/module-system/pkg-def.scm
index 3b33b62..a8c7fc0 100644
--- a/s48/module-system/pkg-def.scm
+++ b/s48/module-system/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "module-system"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/procedure-tables/pkg-def.scm b/s48/procedure-tables/pkg-def.scm
index c0c3ba0..e356499 100644
--- a/s48/procedure-tables/pkg-def.scm
+++ b/s48/procedure-tables/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "procedure-tables"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/profile/pkg-def.scm b/s48/profile/pkg-def.scm
index 2160c33..993943d 100644
--- a/s48/profile/pkg-def.scm
+++ b/s48/profile/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "profile"
   (0 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/riatables/pkg-def.scm b/s48/riatables/pkg-def.scm
index 4d76d8c..79a6cf8 100644
--- a/s48/riatables/pkg-def.scm
+++ b/s48/riatables/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "riatables"
   (0 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/s48/srfi-10/pkg-def.scm b/s48/srfi-10/pkg-def.scm
index f8f2f1a..e07b35f 100644
--- a/s48/srfi-10/pkg-def.scm
+++ b/s48/srfi-10/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "srfi-10"
   (0 1)
-  ()
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/afs/pkg-def.scm b/scsh/afs/pkg-def.scm
index 60d60b9..16c4ef5 100644
--- a/scsh/afs/pkg-def.scm
+++ b/scsh/afs/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "afs"
   (0 2)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/base64/pkg-def.scm b/scsh/base64/pkg-def.scm
index fa27321..3837c91 100644
--- a/scsh/base64/pkg-def.scm
+++ b/scsh/base64/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "base64"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/bytio/pkg-def.scm b/scsh/bytio/pkg-def.scm
index b6e5b23..15f6d53 100644
--- a/scsh/bytio/pkg-def.scm
+++ b/scsh/bytio/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "bytio"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/dir-streams/pkg-def.scm b/scsh/dir-streams/pkg-def.scm
index 257688b..ce7dfa7 100644
--- a/scsh/dir-streams/pkg-def.scm
+++ b/scsh/dir-streams/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "dir-streams"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/file-mode/pkg-def.scm b/scsh/file-mode/pkg-def.scm
index b14a222..9b2c9ee 100644
--- a/scsh/file-mode/pkg-def.scm
+++ b/scsh/file-mode/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "file-mode"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/image-info/pkg-def.scm b/scsh/image-info/pkg-def.scm
index 1cca39a..7fb28b4 100644
--- a/scsh/image-info/pkg-def.scm
+++ b/scsh/image-info/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "image-info"
   (1 0)
-  ()
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/interaction/pkg-def.scm b/scsh/interaction/pkg-def.scm
index 079e020..070a204 100644
--- a/scsh/interaction/pkg-def.scm
+++ b/scsh/interaction/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "interaction"
   (0 3)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/pps/pkg-def.scm b/scsh/pps/pkg-def.scm
index 89f2755..88e5a17 100644
--- a/scsh/pps/pkg-def.scm
+++ b/scsh/pps/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "pps"
   (1 1)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/sequences/pkg-def.scm b/scsh/sequences/pkg-def.scm
index 475126b..fa328d7 100644
--- a/scsh/sequences/pkg-def.scm
+++ b/scsh/sequences/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "sequences"
   (1 0)
-  ()
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/tiff/pkg-def.scm b/scsh/tiff/pkg-def.scm
index a912f3b..21843b9 100644
--- a/scsh/tiff/pkg-def.scm
+++ b/scsh/tiff/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "tiff"
   (1 1)
-  ()
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"
diff --git a/scsh/treaps/pkg-def.scm b/scsh/treaps/pkg-def.scm
index 8544145..172d39d 100644
--- a/scsh/treaps/pkg-def.scm
+++ b/scsh/treaps/pkg-def.scm
@@ -1,6 +1,6 @@
 (define-package "treaps"
   (1 0)
-  ((install-lib-version (1 0)))
+  ((install-lib-version (1 2 0)))
   (write-to-load-script
    `((config)
      (load ,(absolute-file-name "packages.scm"