Merge remote-tracking branch 'origin/master' into core-updates

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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Kei Kebreau <address@hidden>
+;;; Copyright © 2020 Eric Bavier <bavier@posteo.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages pascal)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix utils)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bootstrap)
+  #:use-module (gnu packages commencement)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages gcc)
+  #:use-module (gnu packages ncurses)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages xml)
+  #:use-module (ice-9 match))
+
+(define fpc-bootstrap-i386-3.0.4
+  (origin
+    (method url-fetch)
+    (uri
+     "mirror://sourceforge/freepascal/Linux/3.0.4/fpc-3.0.4.i386-linux.tar")
+    (sha256
+     (base32
+      "05xfgxa6vb0y2ryfsgn21m2kwaxhci6l2zxa3akvlnqminjsjvda"))))
+
+(define fpc-bootstrap-x86_64-3.0.4
+  (origin
+    (method url-fetch)
+    (uri
+     "mirror://sourceforge/freepascal/Linux/3.0.4/fpc-3.0.4.x86_64-linux.tar")
+    (sha256
+     (base32
+      "0xzxh689iyjfmkqkhcqg9plrjmdx82hbyywyyc7jm0n92fpmp5ky"))))
+
+(define-public fpc
+  (package
+    (name "fpc")
+    (version "3.2.0")                   ; Update release date below!
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/freepascal/Source/"
+                                  version "/fpcbuild-" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0f38glyn3ffmqww432snhx2b8wyrq0yj1njkp4zh56lqrvm19fgr"))
+              (patches (search-patches "fpc-reproducibility.patch"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  (rename-file "install/doc" "install-doc")
+                  (rename-file "install/man" "install-man")
+                  ;; Contains executables--some of them created by
+                  ;; closed-source compilers.
+                  (delete-file-recursively "install")
+                  (mkdir-p "install")
+                  (rename-file "install-doc" "install/doc")
+                  (rename-file "install-man" "install/man")
+                  (delete-file "fpcsrc/tests/utils/dosbox/exitcode.exe")
+                  #t))))
+    (build-system gnu-build-system)
+    (supported-systems '("i686-linux" "x86_64-linux"))
+    (inputs
+     `(("expat" ,expat)
+       ("glibc" ,glibc)
+       ("ld-wrapper" ,ld-wrapper)
+       ("ncurses" ,ncurses)
+       ("zlib" ,zlib)))
+    (native-inputs
+     ;; FPC is built with FPC, so we need bootstrap binaries.
+     `(("fpc-binary"
+        ,(match (or (%current-target-system)
+                    (%current-system))
+          ("i686-linux" fpc-bootstrap-i386-3.0.4)
+          ;("powerpc64le-linux" fpc-bootstrap-ppc64le-3.0.4)
+          ;("powerpc-linux" fpc-bootstrap-ppc-3.0.4)
+          ("x86_64-linux" fpc-bootstrap-x86_64-3.0.4)
+          (_ fpc-bootstrap-x86_64-3.0.4)))))
+    (arguments
+     `(#:tests? #f ; no tests available
+       #:phases
+       (let ((fpc-bootstrap-path
+              (string-append (getcwd) "/" ,name "-" ,version "/fpc-bin"))
+             (arch ,(match (or (%current-target-system)
+                               (%current-system))
+                     ("i686-linux" "i386")
+                     ("x86_64-linux" "x86_64")
+                     (_ "unknown"))))
+         (modify-phases %standard-phases
+           (add-after 'unpack 'unpack-bin
+             (lambda* (#:key inputs #:allow-other-keys)
+               (mkdir-p fpc-bootstrap-path)
+               (with-directory-excursion fpc-bootstrap-path
+                 (invoke "tar" "xvf" (assoc-ref inputs "fpc-binary")))))
+           (add-after 'unpack-bin 'install-bin
+             (lambda* (#:key inputs #:allow-other-keys)
+               (with-directory-excursion
+                 (string-append fpc-bootstrap-path "/fpc-3.0.4."
+                                arch "-linux")
+                 (let ((binary-tarball
+                        (string-append "binary." arch "-linux.tar"))
+                       (compiler-tarball
+                        (string-append "base." arch "-linux.tar.gz"))
+                       (fpcmake-tarball
+                        (string-append "utils-fpcm." arch "-linux.tar.gz")))
+                   ;; Only the base compiler and fpcmake are needed.
+                   (invoke "tar" "xvf" binary-tarball compiler-tarball
+                           fpcmake-tarball)
+                   (invoke "tar" "xvf" compiler-tarball "-C..")
+                   (invoke "tar" "xvf" fpcmake-tarball "-C..")))))
+           (add-after 'patch-source-shebangs 'patch-inline-shebangs
+             (lambda _
+               (substitute* "fpcsrc/compiler/cscript.pas"
+                 (("#!/bin/sh") (string-append "#!" (which "sh"))))
+               #t))
+           (add-before 'build 'patch-release-date
+             (lambda _                  ; reproducibility
+               (substitute* (list "fpcdocs/prog.tex"
+                                  "fpcsrc/packages/amunits/examples/sortdemo.pas"
+                                  "fpcsrc/packages/libogcfpc/src/ogc/libversion.inc"
+                                  "fpcsrc/utils/fpcres/fpcjres.pas"
+                                  "fpcsrc/utils/fpcres/fpcres.pas"
+                                  "fpcsrc/utils/fpcm/fpcmmain.pp"
+                                  "fpcsrc/utils/fpcreslipo/fpcreslipo.pp"
+                                  "fpcsrc/compiler/version.pas")
+                 (("\\{\\$I(NCLUDE)? %DATE%\\}") "'2020/06/19'"))
+               #t))
+           (replace 'configure
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (substitute* "fpcsrc/compiler/systems/t_linux.pas"
+                 ;; Point to the current glibc dynamic linker.
+                 (("/lib/ld-linux.so.2")
+                  (string-append (assoc-ref inputs "libc")
+                                 ,(glibc-dynamic-linker)))
+                 (("/lib64/ld-linux-x86-64.so.2")
+                  (string-append (assoc-ref inputs "libc")
+                                 ,(glibc-dynamic-linker)))
+                 ; TODO: /lib/ld-linux-armhf.so.3
+                 ; TODO: /lib/ld-linux-aarch64.so.1
+                 ; TODO: /lib64/ld64.so.2
+                 ;; Add glibc to ld's search path.
+                 (("if \\(isdll\\) then")
+                  (string-append
+                   "Add('SEARCH_DIR(\""
+                   (assoc-ref inputs "libc") "/lib"
+                   "\")');\n"
+                   "if (isdll) then")))
+               (substitute* "fpcsrc/compiler/options.pas"
+                 (("exepath\\+'../etc/'")
+                  (string-append "'" (assoc-ref outputs "out") "/etc'")))
+               #t))
+           (replace 'build
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let* ((fpc-bin (string-append fpc-bootstrap-path "/bin"))
+                      (fpc (string-append fpc-bin "/fpc"))
+                      (fpcmake (string-append fpc-bin "/fpcmake")))
+                 ;; The fpc binary needs to run the ppc[arch] binary (which
+                 ;; does the actual compiling) in this directory.
+                 (setenv "PATH"
+                        (string-append (getenv "PATH") ":"
+                                       fpc-bootstrap-path
+                                       "/lib/fpc/3.0.4"))
+                 (setenv "FPC" fpc)
+                 ;; Specify target operating system using "-T" option
+                 (invoke fpcmake (string-append "-T" arch "-linux"))
+                 (invoke "make" "build" "NOGDB=1"))))
+           (replace 'install
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                     ;; This is the suffix of the ppc[arch] binary.
+                     (suffix (if (string= arch "x86_64")
+                                 "x64"
+                                 "386"))
+                     (ppc (string-append "ppc" suffix)))
+                 (invoke "make" "install" "NOGDB=1"
+                         (string-append "INSTALL_PREFIX=" out))
+                 ;; Remove files that fail RUNPATH validation.
+                 ;; TODO: Fix it instead.
+                 (delete-file (string-append out "/lib/libpas2jslib.so"))
+                 ;; Add a symlink to the ppc[arch] binary so fpc works.
+                 (symlink (string-append out "/lib/fpc/" ,version "/" ppc)
+                          (string-append out "/bin/" ppc))
+                 ;; Install the example configuration file.
+                 (mkdir (string-append out "/etc"))
+                 (invoke
+                   (string-append out "/lib/fpc/" ,version "/samplecfg")
+                   (string-append out "/lib/fpc/" ,version)
+                   (string-append out "/etc")))))
+           (add-after 'install 'wrap
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (fpc (string-append out "/bin/fpc"))
+                      (ld (assoc-ref inputs "ld-wrapper"))
+                      (glibc (assoc-ref inputs "glibc")))
+                 (wrap-program fpc
+                   `("PATH" ":" prefix (,(string-append ld "/bin")))
+                   `("LIBRARY_PATH" ":" prefix (,(string-append glibc "/lib"))))
+                 #t)))))))
+    ;; fpc invokes gcc, so make sure LIBRARY_PATH et.al are set.
+    ;(native-search-paths (package-native-search-paths gcc))
+    (home-page "http://www.freepascal.org")
+    (synopsis "The Free Pascal Compiler")
+    (description
+     "Free Pascal is a professional Object Pascal compiler.  It supports the
+Turbo Pascal 7.0, Delphi, and Mac Pascal dialects.  Free Pascal also supports
+many useful extensions to the Pascal programming language.")
+    ;; The majority of the software included is licensed under the GPLv2
+    ;; or later.  For more licensing details, see the appropriate files in
+    ;; the install/doc directory of the source distribution.
+    (license license:gpl2+)))
+
+(define-public p2c
+  (package
+    (name "p2c")
+    (version "2.01")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://alum.mit.edu/www/toms/p2c/p2c-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "03x72lv6jrvikbrpz4kfq1xp61l2jw5ki6capib71lxs65zndajn"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags
+       (let ((out (assoc-ref %outputs "out")))
+         (list (string-append "CC=" ,(cc-for-target))
+               (string-append "HOMEDIR=" out "/lib/p2c")
+               (string-append "INCDIR=" out "/include/p2c")
+               (string-append "BINDIR=" out "/bin")
+               (string-append "LIBDIR=" out "/lib")
+               (string-append "MANDIR=" out "/share/man/man1")
+               "MANFILE=p2c.man.inst"))
+       #:test-target "test"
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (add-before 'build 'mkdir
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (mkdir-p (string-append out "/share/man"))
+               (mkdir-p (string-append out "/lib"))
+               (mkdir-p (string-append out "/bin"))
+               (mkdir-p (string-append out "/include")))
+             #t))
+         (add-before 'build 'chdir
+           (lambda* (#:key make-flags #:allow-other-keys)
+             (chdir "src")
+             #t)))))
+    (native-inputs
+     `(("perl" ,perl)
+       ("which" ,which)))
+    (synopsis "p2c converts Pascal programs to C programs--which you can then
+compile using gcc")
+    (description "This package provides @command{p2c}, a program to convert
+Pascal source code to C source code, and @command{p2cc}, a compiler for
+Pascal programs.")
+    (home-page "http://users.fred.net/tds/lab/p2c/")
+    (license license:gpl2+)))