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[bug#47153] [PATCH] gnu: chez-scheme: simplify packaging


From: Philip McGrath
Subject: [bug#47153] [PATCH] gnu: chez-scheme: simplify packaging
Date: Mon, 15 Mar 2021 04:42:35 -0400

Take advantage of patches that have been accepted upstream.
These changes lay a foundation for reusing more of Chez's
build process for Racket.

* gnu/packages/patches/chez-scheme-build-util-paths-backport.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/chez.scm (nanopass): Rename it to ...
(nanopass-framework-scheme): ... this variable. Change it from an origin
to a package. Update to 1.9.2.
(stex): Rename it to ...
(chez-stex): ... this variable. Change it from an origin to a hidden
package. Update to commit 5405149, which helps us install it.
(chez-scheme)[source](patches): Use it.
[source](snippet): Remove bundled libraries here, not during 'configure'
phase. Also remove irrelevant bootfiles.
[inputs]: Organize. Move "nanopass" and "stex" to ...
[native-inputs]: ... this field.
[outputs]: Add "stex".
[arguments]: Remove #:configure-flags which were ignored. Add (ice-9 ftw)
to #:modules. Remove unneeded 'patch-processor-detection' phase.
Add 'link-nanopass+stex' phase (refactored from 'configure').
Simplify 'configure' phase by removing patches that have been upstreamed.
Detect when "--disable-curses" or "--disable-x11" flags are needed.
Add "--nogzip-man-pages" flag so we can remove 'make-manpages-writable'
phase. Refactor 'install-doc' phase into 'build+install-stex' and
'build+install-doc'
---
 gnu/local.mk                                  |   1 +
 gnu/packages/chez.scm                         | 370 ++++++---
 ...hez-scheme-build-util-paths-backport.patch | 780 ++++++++++++++++++
 3 files changed, 1030 insertions(+), 121 deletions(-)
 create mode 100644 
gnu/packages/patches/chez-scheme-build-util-paths-backport.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 0954158d4c..96de2e108e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -879,6 +879,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/cdparanoia-fpic.patch                   \
   %D%/packages/patches/cdrtools-3.01-mkisofs-isoinfo.patch     \
   %D%/packages/patches/ceph-disable-cpu-optimizations.patch    \
+  %D%/packages/patches/chez-scheme-build-util-paths-backport.patch      \
   %D%/packages/patches/chmlib-inttypes.patch                   \
   %D%/packages/patches/cl-asdf-config-directories.patch                \
   %D%/packages/patches/clamav-config-llvm-libs.patch           \
diff --git a/gnu/packages/chez.scm b/gnu/packages/chez.scm
index eac556c4d0..e1e94bc90c 100644
--- a/gnu/packages/chez.scm
+++ b/gnu/packages/chez.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2017, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Brett Gilio <brettg@gnu.org>
 ;;; Copyright © 2020 Brendan Tildesley <mail@brendan.scot>
+;;; Copyright © 2021 Philip McGrath <philip@philipmcgrath.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -30,6 +31,7 @@
   #:use-module (guix git-download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
+  #:use-module (guix gexp)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages ghostscript)
@@ -42,25 +44,103 @@
   #:use-module (ice-9 match)
   #:use-module (srfi srfi-1))
 
-(define nanopass
-  (let ((version "1.9.1"))
-    (origin
-      (method git-fetch)
-      (uri (git-reference
-            (url "https://github.com/nanopass/nanopass-framework-scheme";)
-            (commit (string-append "v" version))))
-      (sha256 (base32 "1synadgaycca39jfx525975ss9y0lkl516sdrc62wrrllamm8n21"))
-      (file-name (git-file-name "nanopass" version)))))
+;; Nanopass will be used by Racket and could be used by
+;; any of the supported Scheme implementations.
+;; Making it a package lets us do the unpacking
+;; and patching steps just once.
+(define-public nanopass-framework-scheme
+  (let ((version "1.9.2"))
+    (package
+      (name "nanopass-framework-scheme")
+      (version version)
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/nanopass/nanopass-framework-scheme";)
+               (commit (string-append "v" version))))
+         (sha256 "16vjsik9rrzbabbhbxbaha51ppi3f9n8rk59pc6zdyffs0vziy4i")
+         (file-name (git-file-name "nanopass" version))))
+      (home-page "https://nanopass.org";)
+      (synopsis
+       "Embeded domain-specific language for writing compiler passes")
+      (description
+       "The Nanopass Framework is an embedded domain-specific language
+for creating compilers that focuses on creating small passes and many
+intermediate representations.  Nanopass reduces the boilerplate required to
+create compilers, making them easier to understand and maintain.
+
+This package contains the R6RS source distribution, which is known to work with
+Chez Scheme, Vicare Scheme, and Ikarus Scheme.")
+      (license (list expat))
+      (build-system gnu-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (delete 'bootstrap)
+           (delete 'patch-usr-bin-file)
+           (delete 'configure)
+           (delete 'patch-generated-file-shebangs)
+           (delete 'build)
+           (delete 'check)
+           (replace 'install
+             (lambda* (#:key outputs #:allow-other-keys)
+               (copy-recursively "." (assoc-ref outputs "out"))
+               #t))
+           (delete 'patch-shebangs)
+           (delete 'strip)
+           (delete 'validate-runpath)
+           (delete 'validate-documentation-location)
+           (delete 'delete-info-dir-file)
+           (delete 'patch-dot-desktop-files)
+           (delete 'install-license-files)
+           (delete 'reset-gzip-timestamps)
+           (delete 'compress-documentation)))))))
+
+
+(define chez-stex
+  ;; Hidden because of a circular dependency issue:
+  ;; stex needs chez-scheme to be used, but chez-scheme uses
+  ;; stex to build its documentation.
+  ;; The chez-scheme package has an stex output that exposes
+  ;; the useful version of this---or maybe there's a more elegant solution?
+  (hidden-package
+   (let ((version "1.2.2")
+         ;; This commit includes a fix for which we would
+         ;; otherwise want to use a snippet.
+         ;; When there's a new tagged release,
+         ;; go back to using (string-append "v" version)
+         (commit "54051494434a197772bf6ca5b4e6cf6be55f39a5")
+         (revision "1"))          ;Guix package revision
+     (package
+       (inherit nanopass-framework-scheme)
+       (name "chez-stex")
+       (version (git-version version revision commit))
+       (source
+        (origin
+          (method git-fetch)
+          (uri (git-reference
+                (url "https://github.com/dybvig/stex";)
+                (commit commit)))
+          (sha256 "01jnvw8qw33gnpzwrakwhsr05h6b609lm180jnspcrb7lds2p23d")
+          (file-name (git-file-name "stex" version))))
+       (home-page "https://github.com/dybvig/stex";)
+       (synopsis
+        "Tools for including Scheme in LaTeX and converting to HTML")
+       (description
+        "The @dfn{stex} package consists of two main programs and some
+supporting items, such as make files, make-file templates, class files,
+and style files.  The two main programs are @command{scheme-prep} and
+@command{html-prep}.  @command{scheme-prep} performs a conversion from
+stex-formatted files into LaTeX-formatted files, while @command{html-prep}
+converts (some) LaTeX-formatted files into html-formatted files.
+
+An stex file is really just a LaTeX file extended with a handful of commands
+for including Scheme code (or pretty much any other kind of code, as long as
+you don't plan to use the Scheme-specific transcript support) in a document,
+plus a couple of additional features rather arbitrarily thrown in.")
+       (license (list expat))))))
 
-(define stex
-  (let ((version "1.2.2"))
-    (origin
-      (method git-fetch)
-      (uri (git-reference
-            (url "https://github.com/dybvig/stex";)
-            (commit (string-append "v" version))))
-      (sha256 (base32 "1q5i8pf4cdfjsj6r2k1rih7ljbfggyxdng2p2fvsgarzihpsin2i"))
-      (file-name (git-file-name "stex" version)))))
 
 (define-public chez-scheme
   (package
@@ -74,21 +154,49 @@
              (commit (string-append "v" version))))
        (sha256
         (base32 "0prgn2z9l888j93ydxaf04ph424g0fi3a8w7f8m0b2r7fr1v7388"))
-       (file-name (git-file-name name version))))
+       (file-name (git-file-name name version))
+       (patches
+        (search-patches
+         ;; backported from upstream: remove on next release
+         "chez-scheme-build-util-paths-backport.patch"))
+       (snippet
+        ;; remove bundled libraries
+        (with-imported-modules '((guix build utils))
+          #~(begin
+              (use-modules (guix build utils))
+              (for-each (lambda (dir)
+                          (when (directory-exists? dir)
+                            (delete-file-recursively dir)))
+                        '("stex"
+                          "nanopass"
+                          "lz4"
+                          "zlib"
+                          ;; pre-built bootfiles for unsupported systems:
+                          "boot/a6nt"
+                          "boot/a6osx"
+                          "boot/i3nt"
+                          "boot/i3osx"
+                          "boot/ta6nt"
+                          "boot/ta6osx"
+                          "boot/ti3nt"
+                          "boot/ti3osx")))))))
     (build-system gnu-build-system)
     (inputs
-     `(("ncurses" ,ncurses)
-       ("libuuid" ,util-linux "lib")
-       ("libx11" ,libx11)
-       ("lz4" ,lz4)
-       ("lz4:static" ,lz4 "static")
-       ("xorg-rgb" ,xorg-rgb)
-       ("nanopass" ,nanopass)
+     `(("libuuid" ,util-linux "lib")
        ("zlib" ,zlib)
        ("zlib:static" ,zlib "static")
-       ("stex" ,stex)))
+       ("lz4" ,lz4)
+       ("lz4:static" ,lz4 "static")
+       ;; for expeditor:
+       ("ncurses" ,ncurses)
+       ;; for X:
+       ("libx11" ,libx11)
+       ("xorg-rgb" ,xorg-rgb)))
     (native-inputs
-     `(("texlive" ,(texlive-union (list texlive-latex-oberdiek
+     `(("nanopass" ,nanopass-framework-scheme) ; source-only distribution
+       ;; for docs
+       ("stex" ,chez-stex)
+       ("texlive" ,(texlive-union (list texlive-latex-oberdiek
                                         texlive-generic-epsf)))
        ("ghostscript" ,ghostscript)
        ("netpbm" ,netpbm)))
@@ -96,98 +204,63 @@
      (list (search-path-specification
             (variable "CHEZSCHEMELIBDIRS")
             (files (list (string-append "lib/csv" version "-site"))))))
-    (outputs '("out" "doc"))
+    (outputs '("out" "stex" "doc"))
     (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (ice-9 match))
+     `(#:modules
+       ((guix build gnu-build-system)
+        (guix build utils)
+        (ice-9 ftw)
+        (ice-9 match))
        #:test-target "test"
-       #:configure-flags
-       (list ,(match (or (%current-target-system) (%current-system))
-                ("x86_64-linux" '(list "--machine=ta6le"))
-                ("i686-linux" '(list "--machine=ti3le"))
-                ;; Let autodetection have its attempt on other architectures.
-                (_
-                 '())))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'patch-processor-detection
-           (lambda _ (substitute* "configure"
-                       (("uname -a") "uname -m"))
-                   #t))
-         ;; Adapt the custom 'configure' script.
+         ;; put these where configure expects them to be
+         (add-after 'unpack 'link-nanopass+stex
+           (lambda* (#:key native-inputs inputs #:allow-other-keys)
+             (symlink (assoc-ref (or native-inputs inputs) "nanopass")
+                      "nanopass")
+             (let ((stex-src (assoc-ref (or native-inputs inputs) "stex")))
+               ;; making stex wants to create a build directory,
+               ;; so the immediate directory must be writable
+               (mkdir "stex")
+               (with-directory-excursion "stex"
+                 (for-each (lambda (pth)
+                             (unless (member pth '("." ".."))
+                               (symlink (string-append stex-src "/" pth)
+                                        pth)))
+                           (scandir stex-src))))
+             #t))
+         ;; NOTE: the custom Chez 'configure' script doesn't allow
+         ;; unrecognized flags, such as those automatically added
+         ;; by `gnu-build-system`.
          (replace 'configure
            (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out"))
-                   (nanopass (assoc-ref inputs "nanopass"))
-                   (stex (assoc-ref inputs "stex"))
-                   (lz4-static (assoc-ref inputs "lz4:static"))
-                   (zlib-static (assoc-ref inputs "zlib:static"))
-                   (unpack (assoc-ref %standard-phases 'unpack))
-                   (patch-source-shebangs
-                    (assoc-ref %standard-phases 'patch-source-shebangs)))
-               (map (match-lambda
-                      ((src orig-name new-name)
-                       (with-directory-excursion "."
-                         (apply unpack (list #:source src))
-                         (apply patch-source-shebangs (list #:source src)))
-                       (delete-file-recursively new-name)
-                       (invoke "mv" orig-name new-name)))
-                    `((,nanopass "source" "nanopass")
-                      (,stex "source" "stex")))
-               ;; The configure step wants to CURL all submodules as it
-               ;; detects a checkout without submodules. Disable curling,
-               ;; and manually patch the needed modules for compilation.
-               (substitute* "configure"
-                 (("! -f '") "-d '")) ; working around CURL.
-               (substitute* (find-files "mats" "Mf-.*")
-                 (("^[[:space:]]+(cc ) *") "\tgcc "))
-               (substitute*
-                   (find-files "." (string-append
-                                    "("
-                                    "Mf-[a-zA-Z0-9.]+"
-                                    "|Makefile[a-zA-Z0-9.]*"
-                                    "|checkin"
-                                    "|stex\\.stex"
-                                    "|newrelease"
-                                    "|workarea"
-                                    "|unix\\.ms"
-                                    "|^6\\.ms"
-                                    ;;"|[a-zA-Z0-9.]+\\.ms" ; guile can't read
-                                    ")"))
-                 (("/bin/rm") (which "rm"))
-                 (("/bin/ln") (which "ln"))
-                 (("/bin/cp") (which "cp"))
-                 (("/bin/echo") (which "echo")))
-               (substitute* "makefiles/installsh"
-                 (("/bin/true") (which "true")))
-               (substitute* "stex/Makefile"
-                 (("PREFIX=/usr") (string-append "PREFIX=" out)))
-               (invoke "./configure" "--threads"
-                       (string-append "ZLIB=" zlib-static "/lib/libz.a")
-                       (string-append "LZ4=" lz4-static "/lib/liblz4.a")
-                       (string-append "--installprefix=" out)))))
-         ;; Installation of the documentation requires a running "chez".
-         (add-after 'install 'install-doc
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((doc (string-append (assoc-ref outputs "doc")
-                                       "/share/doc/" ,name "-" ,version)))
-               (invoke "make" "docs")
-               (with-directory-excursion "csug"
-                 (substitute* "Makefile"
-                   ;; The ‘installdir=’ can't be overruled on the command line.
-                   (("/tmp/csug9") doc)
-                   ;; $m is the ‘machine type’, e.g. ‘ta6le’ on x86_64, but is
-                   ;; set incorrectly for some reason, e.g. to ‘a6le’ on 
x86_64.
-                   ;; Avoid the whole mess by running the (machine-independent)
-                   ;; ‘installsh’ script at its original location.
-                   (("\\$m/installsh") "makefiles/installsh"))
-                 (invoke "make" "install")
-                 (install-file "csug.pdf" doc))
-               (with-directory-excursion "release_notes"
-                 (install-file "release_notes.pdf" doc))
+             (let* ((zlib-static (assoc-ref inputs "zlib:static"))
+                    (lz4-static (assoc-ref inputs "lz4:static"))
+                    (out (assoc-ref outputs "out"))
+                    (flags (list
+                            (string-append "--installprefix=" out)
+                            (string-append "ZLIB=" zlib-static "/lib/libz.a")
+                            (string-append "LZ4=" lz4-static "/lib/liblz4.a")
+                            "--nogzip-man-pages" ;; guix will do it
+                            "--threads"))
+                    (flags (if (assoc-ref inputs "ncurses")
+                               flags
+                               (cons "--disable-curses"
+                                     flags)))
+                    (flags (if (and (assoc-ref inputs "libx11")
+                                    (assoc-ref inputs "xorg-rgb"))
+                               flags
+                               (cons "--disable-x11"
+                                     flags))))
+               ;; Some makefiles (for tests) don't seem to propagate CC
+               ;; properly, so we take it out of their hands:
+               (setenv "CC" "gcc")
+               (apply invoke
+                      "./configure"
+                      flags)
                #t)))
-         ;; The binary file name is called "scheme" as the one from MIT/GNU
+         ;; The binary file name is called "scheme" as is the one from MIT/GNU
          ;; Scheme.  We add a symlink to use in case both are installed.
          (add-after 'install 'install-symlink
            (lambda* (#:key outputs #:allow-other-keys)
@@ -202,16 +275,70 @@
                                                    "/" name ".boot")))
                     (find-files lib "scheme.boot"))
                #t)))
-         (add-before 'reset-gzip-timestamps 'make-manpages-writable
-           (lambda* (#:key outputs #:allow-other-keys)
-             (map (lambda (file)
-                    (make-file-writable file))
-                  (find-files (string-append (assoc-ref outputs "out")
-                                             "/share/man")
-                              ".*\\.gz$"))
-             #t)))))
+         ;; We build & install stex so it can (in principle)
+         ;; be reused for other documents.
+         (add-after 'install-symlink 'build+install-stex
+           (lambda* (#:key native-inputs inputs outputs #:allow-other-keys)
+             (let* ((stex+version
+                     (strip-store-file-name
+                      (assoc-ref (or native-inputs inputs) "stex")))
+                    (stex-output (assoc-ref outputs "stex"))
+                    (doc-dir (string-append stex-output
+                                            "/share/doc/"
+                                            stex+version)))
+               (with-directory-excursion "stex"
+                 (invoke "make"
+                         "install"
+                         (string-append "LIB="
+                                        stex-output
+                                        "/lib/"
+                                        stex+version)
+                         (string-append "Scheme="
+                                        (assoc-ref outputs "out")
+                                        "/bin/scheme"))
+                 (for-each (lambda (pth)
+                             (install-file pth doc-dir))
+                           '("ReadMe" ; includes the license
+                             "doc/stex.html"
+                             "doc/stex.css"
+                             "doc/stex.pdf"))
+                 #t))))
+         ;; Building the documentation requires stex and a running scheme.
+         ;; FIXME: this may be wrong for cross-compilation
+         (add-after 'build+install-stex 'build+install-doc
+           (lambda* (#:key native-inputs inputs outputs #:allow-other-keys)
+             (let* ((chez+version (strip-store-file-name
+                                   (assoc-ref outputs "out")))
+                    (stex+version
+                     (strip-store-file-name
+                      (assoc-ref (or native-inputs inputs) "stex")))
+                    (scheme (string-append (assoc-ref outputs "out")
+                                           "/bin/scheme"))
+                    (stexlib (string-append (assoc-ref outputs "stex")
+                                            "/lib/"
+                                            stex+version))
+                    (doc-dir (string-append (assoc-ref outputs "doc")
+                                            "/share/doc/"
+                                            chez+version)))
+               (define* (stex-make #:optional (suffix ""))
+                 (invoke "make"
+                         "install"
+                         (string-append "Scheme=" scheme)
+                         (string-append "STEXLIB=" stexlib)
+                         (string-append "installdir=" doc-dir suffix)))
+               (with-directory-excursion "csug"
+                 (stex-make "/csug"))
+               (with-directory-excursion "release_notes"
+                 (stex-make "/release_notes"))
+               (with-directory-excursion doc-dir
+                 (symlink "release_notes/release_notes.pdf"
+                          "release_notes.pdf")
+                 (symlink "csug/csug9_5.pdf"
+                          "csug.pdf"))
+               #t))))))
     ;; According to the documentation MIPS is not supported.
     ;; Cross-compiling for the Raspberry Pi is supported, but not native ARM.
+    ;; TODO is this correct? Chez has an arm32le machine type.
     (supported-systems (fold delete %supported-systems
                              '("mips64el-linux" "armhf-linux")))
     (home-page "https://cisco.github.io/ChezScheme/";)
@@ -223,6 +350,7 @@ generates native code for each target processor, with 
support for x86, x86_64,
 and 32-bit PowerPC architectures.")
     (license asl2.0)))
 
+
 (define-public chez-srfi
   (package
     (name "chez-srfi")
diff --git a/gnu/packages/patches/chez-scheme-build-util-paths-backport.patch 
b/gnu/packages/patches/chez-scheme-build-util-paths-backport.patch
new file mode 100644
index 0000000000..07d65225ed
--- /dev/null
+++ b/gnu/packages/patches/chez-scheme-build-util-paths-backport.patch
@@ -0,0 +1,780 @@
+From 2447e047b750c3371778beb487f881641a582e66 Mon Sep 17 00:00:00 2001
+From: Philip McGrath <philip@philipmcgrath.com>
+Date: Thu, 11 Mar 2021 18:17:47 -0500
+Subject: [PATCH] avoid hard-coded paths for utilities in build scripts
+
+Backported from
+https://github.com/cisco/ChezScheme/commit/8f4633ce24ac6425b2ab13cc78026b1c9bb5361e
+
+Specific changes:
+  - `cc` -> `$(CC)`
+  - `/bin/rm` -> `rm`
+  - `/bin/ln` -> `ln`
+  - `/bin/cp` -> `cp`
+  - `/bin/echo` -> `echo`
+  - in `makefiles/installsh`, add a case to find `true`
+    at an unusual path or as a shell builtin
+
+Co-authored-by: Andy Keep <akeep@robotman.org>
+---
+ LOG                                 | 12 ++++++++++++
+ csug/gifs/Makefile                  |  8 ++++----
+ csug/math/Makefile                  |  4 ++--
+ examples/Makefile                   |  2 +-
+ makefiles/Makefile-csug.in          |  6 +++---
+ makefiles/Makefile-release_notes.in |  2 +-
+ makefiles/Mf-install.in             |  4 ++--
+ makefiles/installsh                 |  3 ++-
+ mats/6.ms                           |  2 +-
+ mats/Mf-a6fb                        |  4 ++--
+ mats/Mf-a6le                        |  4 ++--
+ mats/Mf-a6nb                        |  4 ++--
+ mats/Mf-a6ob                        |  4 ++--
+ mats/Mf-a6osx                       |  4 ++--
+ mats/Mf-arm32le                     |  4 ++--
+ mats/Mf-i3fb                        |  4 ++--
+ mats/Mf-i3le                        |  4 ++--
+ mats/Mf-i3nb                        |  4 ++--
+ mats/Mf-i3ob                        |  4 ++--
+ mats/Mf-i3osx                       |  4 ++--
+ mats/Mf-i3qnx                       |  4 ++--
+ mats/Mf-ppc32le                     |  4 ++--
+ mats/Mf-ta6fb                       |  4 ++--
+ mats/Mf-ta6le                       |  4 ++--
+ mats/Mf-ta6nb                       |  4 ++--
+ mats/Mf-ta6ob                       |  4 ++--
+ mats/Mf-ta6osx                      |  4 ++--
+ mats/Mf-ti3fb                       |  4 ++--
+ mats/Mf-ti3le                       |  4 ++--
+ mats/Mf-ti3nb                       |  4 ++--
+ mats/Mf-ti3ob                       |  4 ++--
+ mats/Mf-ti3osx                      |  4 ++--
+ mats/Mf-tppc32le                    |  4 ++--
+ mats/unix.ms                        |  4 ++--
+ newrelease                          | 22 +++++++++++-----------
+ pkg/Makefile                        |  2 +-
+ release_notes/gifs/Makefile         |  6 +++---
+ release_notes/math/Makefile         |  4 ++--
+ s/Mf-base                           |  2 +-
+ workarea                            | 10 +++++-----
+ 40 files changed, 101 insertions(+), 88 deletions(-)
+
+diff --git a/LOG b/LOG
+index e1631df..399104d 100644
+--- a/LOG
++++ b/LOG
+@@ -2119,3 +2119,15 @@
+     bintar/Makefile rpm/Makefile pkg/Makefile wininstall/Makefile
+     wininstall/a6nt.wxs wininstall/i3nt.wxs wininstall/ta6nt.wxs
+     wininstall/ti3nt.wxs
++9.5.5 changes:
++- avoid hard-coded paths for utilities in build scripts
++    checkin csug/gifs/Makefile csug/math/Makefile examples/Makefile
++    makefiles/Makefile-csug.in makefiles/Makefile-release_notes.in
++    makefiles/Mf-install.in makefiles/installsh mats/6.ms mats/Mf-a6fb
++    mats/Mf-a6le mats/Mf-a6nb mats/Mf-a6ob mats/Mf-a6osx mats/Mf-arm32le
++    mats/Mf-i3fb mats/Mf-i3le mats/Mf-i3nb mats/Mf-i3ob mats/Mf-i3osx
++    mats/Mf-i3qnx mats/Mf-ppc32le mats/Mf-ta6fb mats/Mf-ta6le mats/Mf-ta6nb
++    mats/Mf-ta6ob mats/Mf-ta6osx mats/Mf-ti3fb mats/Mf-ti3le mats/Mf-ti3nb
++    mats/Mf-ti3ob mats/Mf-ti3osx mats/Mf-tppc32le mats/unix.ms newrelease
++    pkg/Makefile release_notes/gifs/Makefile release_notes/math/Makefile
++    s/Mf-base workarea
+diff --git a/csug/gifs/Makefile b/csug/gifs/Makefile
+index 8676e4c..4253ffd 100644
+--- a/csug/gifs/Makefile
++++ b/csug/gifs/Makefile
+@@ -18,7 +18,7 @@ density=-r90x90
+           ${density} - |\
+           pnmcrop |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f $*.dvi $*.log *.aux
++      rm -f $*.dvi $*.log *.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+ # translate ps file to gif w/o transparent white background
+@@ -28,7 +28,7 @@ density=-r90x90
+           ${density} - |\
+           pnmcrop |\
+           ppmtogif > $*.gif
+-      /bin/rm -f $*.dvi $*.log *.aux
++      rm -f $*.dvi $*.log *.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+ all: ${gifs}
+@@ -57,7 +57,7 @@ ghostRightarrow.gif: Rightarrow.tex
+           giftrans -g '#000000=#ffffff' |\
+           giftopnm |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f Rightarrow.dvi Rightarrow.log Rightarrow.aux
++      rm -f Rightarrow.dvi Rightarrow.log Rightarrow.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+-clean: ; /bin/rm -f *.gif Make.out
++clean: ; rm -f *.gif Make.out
+diff --git a/csug/math/Makefile b/csug/math/Makefile
+index 3385fdb..3392ea8 100644
+--- a/csug/math/Makefile
++++ b/csug/math/Makefile
+@@ -15,11 +15,11 @@ density=-r90x90
+           ${density} - |\
+           pnmcrop |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f $*.dvi $*.log $*.aux
++      rm -f $*.dvi $*.log $*.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+ all: ${gifs}
+ 
+ ${gifs}: mathmacros
+ 
+-clean: ; /bin/rm -f *.gif Make.out
++clean: ; rm -f *.gif Make.out
+diff --git a/examples/Makefile b/examples/Makefile
+index b1b4e1d..3edfdd0 100644
+--- a/examples/Makefile
++++ b/examples/Makefile
+@@ -25,4 +25,4 @@ needed:      ${obj}
+ 
+ all: ; echo "(time (for-each compile-file (map symbol->string '(${src}))))" | 
${Scheme}
+ 
+-clean: ; /bin/rm -f $(obj) expr.md
++clean: ; rm -f $(obj) expr.md
+diff --git a/makefiles/Makefile-csug.in b/makefiles/Makefile-csug.in
+index df24092..6f8a8d9 100644
+--- a/makefiles/Makefile-csug.in
++++ b/makefiles/Makefile-csug.in
+@@ -29,7 +29,7 @@ install: target
+ # thrice is not enough when starting from scratch
+ logcheck1: $(x).thirdrun
+       @if [ -n "`grep 'Warning: Label(s) may have changed' $(x).log`" ] ; 
then\
+-            /bin/rm -f $(x).thirdrun ;\
++            rm -f $(x).thirdrun ;\
+             $(MAKE) $(x).thirdrun;\
+          fi
+ 
+@@ -55,7 +55,7 @@ stexsrc = csug.stex title.stex copyright.stex contents.stex\
+ texsrc = ${stexsrc:%.stex=%.tex}
+ 
+ title.tex contents.tex bibliography.tex:
+-      /bin/rm -f $*.tex
++      rm -f $*.tex
+       echo "%%% DO NOT EDIT THIS FILE" > $*.tex
+       echo "%%% Edit the .stex version instead" >> $*.tex
+       echo "" >> $*.tex
+@@ -147,7 +147,7 @@ code: $(stexsrc)
+       echo '(load "code" pretty-print)' | $(Scheme) -q
+ 
+ $(x).clean:
+-      -/bin/rm -f $(x).rfm $(x).sfm $(x).prefirstrun $(x).presecondrun\
++      -rm -f $(x).rfm $(x).sfm $(x).prefirstrun $(x).presecondrun\
+                     $(x).prethirdrun $(x).ans\
+                     $(x).hprefirstrun $(x).hpresecondrun $(x).hprethirdrun\
+                     tspl.aux tspl.haux tspl.rfm tspl.idx in.hidx\
+diff --git a/makefiles/Makefile-release_notes.in 
b/makefiles/Makefile-release_notes.in
+index 4435b6f..64348a4 100644
+--- a/makefiles/Makefile-release_notes.in
++++ b/makefiles/Makefile-release_notes.in
+@@ -38,7 +38,7 @@ install: $x.pdf $x.html
+       $(INSTALL) -m 2755 -d $(installdir)/gifs
+       $(INSTALL) -m 0644 --ifdiff gifs/*.gif $(installdir)/gifs
+       $(INSTALL) -m 2755 -d $(installdir)/math
+-      -/bin/rm -rf $(installdir)/$(mathdir)
++      -rm -rf $(installdir)/$(mathdir)
+       $(INSTALL) -m 2755 -d $(installdir)/$(mathdir)
+       if [ -e $(mathdir)/0.gif ] ; then $(INSTALL) -m 0644 $(mathdir)/*.gif 
$(installdir)/$(mathdir) ; fi
+ 
+diff --git a/makefiles/Mf-install.in b/makefiles/Mf-install.in
+index a702c34..c09043d 100644
+--- a/makefiles/Mf-install.in
++++ b/makefiles/Mf-install.in
+@@ -114,12 +114,12 @@ bininstall: ${Bin}
+ libbininstall: ${LibBin}
+       $I -m 444 ${PetiteBoot} ${LibBin}/petite.boot
+       if [ "${InstallPetiteName}" != "petite" ]; then\
+-          /bin/rm -f ${LibBin}/${InstallPetiteName}.boot;\
++          rm -f ${LibBin}/${InstallPetiteName}.boot;\
+           ln -f ${LibBin}/petite.boot ${LibBin}/${InstallPetiteName}.boot;\
+         fi
+       $I -m 444 ${SchemeBoot} ${LibBin}/scheme.boot;\
+       if [ "${InstallSchemeName}" != "scheme" ]; then\
+-          /bin/rm -f ${LibBin}/${InstallSchemeName}.boot;\
++          rm -f ${LibBin}/${InstallSchemeName}.boot;\
+           ln -f ${LibBin}/scheme.boot ${LibBin}/${InstallSchemeName}.boot;\
+         fi
+       ln -f ${LibBin}/scheme.boot ${LibBin}/${InstallScriptName}.boot;
+diff --git a/makefiles/installsh b/makefiles/installsh
+index 48f1e46..95d85fb 100755
+--- a/makefiles/installsh
++++ b/makefiles/installsh
+@@ -1,7 +1,8 @@
+ #! /bin/sh
+ if [ -x /bin/true ]; then TRUE=/bin/true;
+ elif [ -x /usr/bin/true ]; then TRUE=/usr/bin/true;
+-else echo "Can't find /bin/true or /usr/bin/true" ; exit 1;
++elif command -v true &> /dev/null; then TRUE=true;
++else echo "Can't find /bin/true or /usr/bin/true and no true command" ; exit 
1;
+ fi
+ 
+ while ${TRUE} ; do
+diff --git a/mats/6.ms b/mats/6.ms
+index 102f84b..e504230 100644
+--- a/mats/6.ms
++++ b/mats/6.ms
+@@ -2685,7 +2685,7 @@
+       (begin
+         (system "ln -s ../examples .")
+         (load "examples/fatfib.ss" compile)
+-        (system "/bin/rm examples")
++        (system "rm -f examples")
+         #t))
+   (or (windows?) (embedded?)
+       (equal?
+diff --git a/mats/Mf-a6fb b/mats/Mf-a6fb
+index b16d1b6..ff9e687 100644
+--- a/mats/Mf-a6fb
++++ b/mats/Mf-a6fb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-a6le b/mats/Mf-a6le
+index d6fee09..a3bda76 100644
+--- a/mats/Mf-a6le
++++ b/mats/Mf-a6le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m64 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m64 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-a6nb b/mats/Mf-a6nb
+index 48187ef..0f7ac17 100644
+--- a/mats/Mf-a6nb
++++ b/mats/Mf-a6nb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-a6ob b/mats/Mf-a6ob
+index 12758f3..0ffcccc 100644
+--- a/mats/Mf-a6ob
++++ b/mats/Mf-a6ob
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-a6osx b/mats/Mf-a6osx
+index f1dbf85..57bac22 100644
+--- a/mats/Mf-a6osx
++++ b/mats/Mf-a6osx
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m64 -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
++      $(CC) -m64 -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-arm32le b/mats/Mf-arm32le
+index f33a665..83896eb 100644
+--- a/mats/Mf-arm32le
++++ b/mats/Mf-arm32le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -fomit-frame-pointer -shared -I${Include} -o foreign1.so 
${fsrc}
++      $(CC) -fPIC -fomit-frame-pointer -shared -I${Include} -o foreign1.so 
${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3fb b/mats/Mf-i3fb
+index 150cedb..1e4e8fc 100644
+--- a/mats/Mf-i3fb
++++ b/mats/Mf-i3fb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3le b/mats/Mf-i3le
+index 8f521c8..b248620 100644
+--- a/mats/Mf-i3le
++++ b/mats/Mf-i3le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3nb b/mats/Mf-i3nb
+index e81f6ff..8afeb5c 100644
+--- a/mats/Mf-i3nb
++++ b/mats/Mf-i3nb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3ob b/mats/Mf-i3ob
+index 4e3ee1b..fcd4dee 100644
+--- a/mats/Mf-i3ob
++++ b/mats/Mf-i3ob
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3osx b/mats/Mf-i3osx
+index 53c7d4a..a55f6ee 100644
+--- a/mats/Mf-i3osx
++++ b/mats/Mf-i3osx
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
++      $(CC) -m32 -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-i3qnx b/mats/Mf-i3qnx
+index 724f2db..3e1437a 100644
+--- a/mats/Mf-i3qnx
++++ b/mats/Mf-i3qnx
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ppc32le b/mats/Mf-ppc32le
+index 28151a8..547ca00 100644
+--- a/mats/Mf-ppc32le
++++ b/mats/Mf-ppc32le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m32 -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ta6fb b/mats/Mf-ta6fb
+index 921d609..5ed233e 100644
+--- a/mats/Mf-ta6fb
++++ b/mats/Mf-ta6fb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ta6le b/mats/Mf-ta6le
+index cd014ec..21c686a 100644
+--- a/mats/Mf-ta6le
++++ b/mats/Mf-ta6le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m64 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m64 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ta6nb b/mats/Mf-ta6nb
+index 6b1929d..9b9b898 100644
+--- a/mats/Mf-ta6nb
++++ b/mats/Mf-ta6nb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ta6ob b/mats/Mf-ta6ob
+index a7aee91..8f25aed 100644
+--- a/mats/Mf-ta6ob
++++ b/mats/Mf-ta6ob
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ta6osx b/mats/Mf-ta6osx
+index 42da5d7..0dd386f 100644
+--- a/mats/Mf-ta6osx
++++ b/mats/Mf-ta6osx
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m64 -pthread -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
++      $(CC) -m64 -pthread -dynamiclib -undefined dynamic_lookup -I${Include} 
-o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ti3fb b/mats/Mf-ti3fb
+index c891145..56bf7d3 100644
+--- a/mats/Mf-ti3fb
++++ b/mats/Mf-ti3fb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ti3le b/mats/Mf-ti3le
+index 12e77b8..22b4148 100644
+--- a/mats/Mf-ti3le
++++ b/mats/Mf-ti3le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m32 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ti3nb b/mats/Mf-ti3nb
+index 028c652..573946e 100644
+--- a/mats/Mf-ti3nb
++++ b/mats/Mf-ti3nb
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ti3ob b/mats/Mf-ti3ob
+index 8a4741c..4472b60 100644
+--- a/mats/Mf-ti3ob
++++ b/mats/Mf-ti3ob
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-ti3osx b/mats/Mf-ti3osx
+index 6913c34..9273b44 100644
+--- a/mats/Mf-ti3osx
++++ b/mats/Mf-ti3osx
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -pthread -dynamiclib -undefined dynamic_lookup -I${Include} -o 
foreign1.so ${fsrc}
++      $(CC) -m32 -pthread -dynamiclib -undefined dynamic_lookup -I${Include} 
-o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/Mf-tppc32le b/mats/Mf-tppc32le
+index a12b515..8b9d9f0 100644
+--- a/mats/Mf-tppc32le
++++ b/mats/Mf-tppc32le
+@@ -21,7 +21,7 @@ fobj = foreign1.so
+ include Mf-base
+ 
+ foreign1.so: ${fsrc} ../boot/$m/scheme.h
+-      cc -m32 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
++      $(CC) -m32 -pthread -fPIC -shared -I${Include} -o foreign1.so ${fsrc}
+ 
+ cat_flush: cat_flush.c
+-      cc -o cat_flush cat_flush.c
++      $(CC) -o cat_flush cat_flush.c
+diff --git a/mats/unix.ms b/mats/unix.ms
+index cfba3e7..db7f6f9 100644
+--- a/mats/unix.ms
++++ b/mats/unix.ms
+@@ -72,8 +72,8 @@
+   (mat system
+     (eqv? (with-output-to-file "testfile.ss" void '(replace)) (void))
+     (begin
+-      (system (format "~:[~;/pkg~]/bin/rm testfile.ss" (embedded?)))
+-      (system (format "~:[~;/pkg~]/bin/echo hello > testfile.ss" (embedded?)))
++      (system "rm -f testfile.ss")
++      (system "echo hello > testfile.ss")
+       (let ([p (open-input-file "testfile.ss")])
+         (and (eq? (read p) 'hello)
+              (begin (close-input-port p) #t))))
+diff --git a/newrelease b/newrelease
+index e903956..2d06740 100755
+--- a/newrelease
++++ b/newrelease
+@@ -75,13 +75,13 @@ if ($status != 0) exit 1
+ 
+ cd $W
+ 
+-/bin/rm -f BUILDING
++rm -f BUILDING
+ sed -e "s/Chez Scheme Version [^ ]*/Chez Scheme Version $R/" \
+     -e "s/Copyright 1984-.... /Copyright 1984-`date +%Y` /" \
+     ../BUILDING > BUILDING
+ set updatedfiles = ($updatedfiles BUILDING)
+ 
+-/bin/rm -f NOTICE
++rm -f NOTICE
+ sed -e "s/Chez Scheme Version [^ ]*/Chez Scheme Version $R/" \
+     -e "s/Copyright 1984-.... /Copyright 1984-`date +%Y` /" \
+     ../NOTICE > NOTICE
+@@ -92,19 +92,19 @@ sed -e "s/csv[0-9]\.[0-9]\(\.[0-9]\)*/csv$R/" 
../makefiles/Mf-install.in > makef
+ sed -e "s/csug[0-9]\.[0-9]/csug$MR.$mR/" -e 
"s/csug[0-9]_[0-9]/csug$MR""_$mR/" ../makefiles/Makefile-csug.in > 
makefiles/Makefile-csug.in
+ set updatedfiles = ($updatedfiles makefiles/Mf-install.in 
makefiles/Makefile-csug.in)
+ 
+-/bin/rm scheme.1.in
++rm -f scheme.1.in
+ sed -e "s/Chez Scheme Version [0-9]\.[0-9]\(\.[0-9]\)* .* [0-9][0-9]*/Chez 
Scheme Version $R `date +'%B %Y'`/" \
+     -e "s/Copyright .* Cisco Systems, Inc./Copyright `date +%Y` Cisco 
Systems, Inc./" \
+   ../scheme.1.in > scheme.1.in
+ set updatedfiles = ($updatedfiles scheme.1.in)
+ 
+-/bin/rm -f c/Makefile.{,t}{i3,a6}nt
++rm -f c/Makefile.{,t}{i3,a6}nt
+ foreach fn (c/Makefile.{,t}{a6,i3}nt)
+   set updatedfiles = ($updatedfiles $fn)
+   sed -e "s/csv[0-9][0-9][0-9]*/csv$ZR/g" ../$fn > $fn
+ end
+ 
+-/bin/rm -f mats/Mf-{,t}{i3,a6}nt
++rm -f mats/Mf-{,t}{i3,a6}nt
+ foreach fn (mats/Mf-{,t}{a6,i3}nt)
+   set updatedfiles = ($updatedfiles $fn)
+   sed -e "s/csv[0-9][0-9][0-9]*/csv$ZR/g" ../$fn > $fn
+@@ -123,11 +123,11 @@ sed -e "s/FILEVERSION .*/FILEVERSION $RCVERSION/"\
+     -e "s/Copyright 1984-..../Copyright 1984-`date +%Y`/g" ../c/scheme.rc > 
c/scheme.rc
+ set updatedfiles = ($updatedfiles c/scheme.rc)
+ 
+-/bin/rm -f s/7.ss
++rm -f s/7.ss
+ sed -e "s/nCopyright 1984-..../nCopyright 1984-`date +%Y`/g" ../s/7.ss > 
s/7.ss
+ set updatedfiles = ($updatedfiles s/7.ss)
+ 
+-/bin/rm -f s/cmacros.ss
++rm -f s/cmacros.ss
+ set VNUM = `printf "%04x%02x%02x" $MR $mR $bR`
+ sed -e "s/scheme-version #x......../scheme-version #x$VNUM/" ../s/cmacros.ss 
> s/cmacros.ss
+ set updatedfiles = ($updatedfiles s/cmacros.ss)
+@@ -146,17 +146,17 @@ sed -e "s/Revised\(.*\)for Chez Scheme Version [^ 
]*<br>/Revised\1for Chez Schem
+   ../csug/csug.stex > csug/csug.stex
+ set updatedfiles = ($updatedfiles csug/copyright.stex csug/csug.stex)
+ 
+-/bin/rm bintar/Makefile
++rm -f bintar/Makefile
+ sed -e "s/^version = .*/version = $R/" \
+     -e "s/csv[0-9][0-9][0-9]*/csv$ZR/g" \
+   ../bintar/Makefile > bintar/Makefile
+ set updatedfiles = ($updatedfiles bintar/Makefile)
+ 
+-/bin/rm rpm/Makefile
++rm -f rpm/Makefile
+ sed -e "s/^version = .*/version = $R/" ../rpm/Makefile > rpm/Makefile
+ set updatedfiles = ($updatedfiles rpm/Makefile)
+ 
+-/bin/rm pkg/Makefile
++rm -f pkg/Makefile
+ sed -e "s/^version = .*/version = $R/" \
+     -e "s/&copy; .* Cisco Systems/\&copy; `date +%Y` Cisco Systems/" \
+      ../pkg/Makefile > pkg/Makefile
+@@ -170,7 +170,7 @@ foreach fn (wininstall/{,t}{a6,i3}nt.wxs)
+   sed -e "s/csv[0-9][0-9][0-9]*/csv$ZR/" ../$fn > $fn
+ end
+ 
+-/bin/rm LOG
++rm -f LOG
+ cat ../LOG > LOG
+ echo "" >> LOG
+ echo "$R changes:" >> LOG
+diff --git a/pkg/Makefile b/pkg/Makefile
+index e0eef67..a3fe83f 100644
+--- a/pkg/Makefile
++++ b/pkg/Makefile
+@@ -39,7 +39,7 @@ $(PKG): $(BUILDROOT)/$(PKG)
+           --package-path $(BUILDROOT)\
+           $(PKG)
+       sudo chown $(DOTUSER):$(DOTGROUP) $(PKG)
+-      sudo /bin/rm -rf $(RELEASE) $(BUILDROOT)
++      sudo rm -rf $(RELEASE) $(BUILDROOT)
+ 
+ $(BUILDROOT)/$(PKG): $(PKGCONTENT)
+       sudo /usr/bin/pkgbuild\
+diff --git a/release_notes/gifs/Makefile b/release_notes/gifs/Makefile
+index 9572965..701d53a 100644
+--- a/release_notes/gifs/Makefile
++++ b/release_notes/gifs/Makefile
+@@ -15,7 +15,7 @@ density=-r90x90
+           ${density} - |\
+           pnmcrop |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f $*.dvi $*.log *.aux
++      rm -f $*.dvi $*.log *.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+ all: ${gifs}
+@@ -44,7 +44,7 @@ ghostRightarrow.gif: Rightarrow.tex
+           giftrans -g '#000000=#ffffff' |\
+           giftopnm |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f Rightarrow.dvi Rightarrow.log Rightarrow.aux
++      rm -f Rightarrow.dvi Rightarrow.log Rightarrow.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+-clean: ; /bin/rm -f *.gif Make.out
++clean: ; rm -f *.gif Make.out
+diff --git a/release_notes/math/Makefile b/release_notes/math/Makefile
+index b3ffae3..9eca430 100644
+--- a/release_notes/math/Makefile
++++ b/release_notes/math/Makefile
+@@ -16,11 +16,11 @@ density=-r90x90
+           ${density} - |\
+           pnmcrop |\
+           ppmtogif -transparent white > $*.gif
+-      /bin/rm -f $*.dvi $*.log $*.aux
++      rm -f $*.dvi $*.log $*.aux
+       test -f $*.gif && chmod 644 $*.gif
+ 
+ all: ${gifs}
+ 
+ ${gifs}: mathmacros
+ 
+-clean: ; /bin/rm -f *.gif Make.out
++clean: ; rm -f *.gif Make.out
+diff --git a/s/Mf-base b/s/Mf-base
+index c709608..40d816c 100644
+--- a/s/Mf-base
++++ b/s/Mf-base
+@@ -206,7 +206,7 @@ profiled:
+       $(MAKE) all loadspd=t bp=t PetiteBoot=../boot/$m/xpetite.boot 
SchemeBoot=../boot/$m/xscheme.boot
+       $(MAKE) prettyclean
+       $(MAKE) io.$m loadspd=t dumpbpd=t Scheme="../bin/$m/scheme -b 
../boot/$m/xpetite.boot -b ../boot/$m/xscheme.boot"
+-      /bin/rm -f ../boot/$m/xpetite.boot ../boot/$m/xscheme.boot
++      rm -f ../boot/$m/xpetite.boot ../boot/$m/xscheme.boot
+       $(MAKE) prettyclean
+       $(MAKE) all loadspd=t loadbpd=t
+ 
+diff --git a/workarea b/workarea
+index bacc712..0461919 100755
+--- a/workarea
++++ b/workarea
+@@ -70,9 +70,9 @@ esac
+ 
+ if [ "$OS" = "Windows_NT" ]
+ then
+-    ln="/bin/cp -R"
++    ln="cp -R"
+ else
+-    ln="/bin/ln -s"
++    ln="ln -s"
+ fi
+ 
+ # This shell script creates a workarea for local modifications to the
+@@ -102,7 +102,7 @@ workln()
+ forceworkln()
+ {
+     if [ ! -e $2 ] ; then
+-        /bin/ln -s $1 $2 2> /dev/null
++        ln -s $1 $2 2> /dev/null
+     fi
+ }
+ 
+@@ -168,13 +168,13 @@ done
+ # deep copy submodules where builds occur so changes don't propagate through 
symlinks
+ for dir in `echo zlib` ; do
+   if [ ! -e $W/$dir ] ; then
+-    /bin/cp -R $dir $W/$dir
++    cp -R $dir $W/$dir
+   fi
+ done
+ 
+ for dir in `echo lz4` ; do
+   if [ ! -e $W/$dir ] ; then
+-    /bin/cp -R $dir $W/$dir
++    cp -R $dir $W/$dir
+   fi
+ done
+ 
+-- 
+2.21.1 (Apple Git-122.3)
+
-- 
2.21.1 (Apple Git-122.3)






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