diff options
Diffstat (limited to 'configure.scm')
-rw-r--r-- | configure.scm | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/configure.scm b/configure.scm new file mode 100644 index 0000000..a271879 --- /dev/null +++ b/configure.scm @@ -0,0 +1,159 @@ +;;; ccwl --- Concise Common Workflow Language +;;; Copyright © 2022 Arun Isaac <arunisaac@systemreboot.net> +;;; +;;; This file is part of ccwl. +;;; +;;; ccwl 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. +;;; +;;; ccwl 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 ccwl. If not, see <https://www.gnu.org/licenses/>. + +(use-modules (rnrs io ports) + (srfi srfi-1) + (srfi srfi-26) + (srfi srfi-28) + (srfi srfi-37) + (ice-9 match) + (ice-9 popen)) + +(define (call-with-input-pipe command proc) + "Call PROC with input pipe to COMMAND. COMMAND is a list of program +arguments." + (match command + ((prog args ...) + (let ((port #f)) + (dynamic-wind + (lambda () + (set! port (apply open-pipe* OPEN_READ prog args))) + (cut proc port) + (cut close-pipe port)))))) + +(define (check-for-guile-3.0) + (display "checking for guile 3.0... ") + (if (string=? (effective-version) "3.0") + (display (format "yes~%")) + (begin + (display (format "no~%error: Guile 3.0 not found~%")) + (exit #f)))) + +(define (check-for-module module) + (display (format "checking for module ~a... " module)) + (if (resolve-module module #:ensure #f) + (display (format "yes~%")) + (begin + (display (format "no~%error: no ~a found~%" module)) + (exit #f)))) + +(define (find-program program) + (find file-exists? + (map (lambda (path) + (string-append path "/" program)) + (string-split (getenv "PATH") + #\:)))) + +(define* (check-for-program program #:optional package) + (display (format "checking for program ~a... " program)) + (let ((found-program (find-program program))) + (cond + (found-program + (display (format "~a~%" found-program))) + (package + (display (format "no~%error: cannot find ~a from the ~a package~%" + program package)) + (exit #f)) + (else + (display (format "no~%error: cannot find ~a~%" program)) + (exit #f))))) + +(define* (check-for-optional-program program msg) + (display (format "checking for program ~a... " program)) + (let ((found-program (find-program program))) + (display (or found-program msg)) + (newline))) + +(define (option-proc opt name arg result) + (cons (cons (string->symbol name) arg) + result)) + +(define (unrecognized-option-proc opt name arg result) + (display (if arg + (format "Ignoring unrecognized option --~a=~a~%" + name arg) + (format "Ignoring unrecognized option --~a~%" + name))) + result) + +(define (unrecognized-argument-proc arg result) + (display (format "Ignoring unrecognized argument ~a~%" + arg)) + result) + +(define processed-args + (match (program-arguments) + ((_ project args ...) + (let* ((args (args-fold args + (list (option '("prefix") #t #f + option-proc)) + unrecognized-option-proc + unrecognized-argument-proc + '())) + (prefix (or (assq-ref args 'prefix) + "/usr/local")) + (exec-prefix (or (assq-ref args 'exec-prefix) + prefix)) + (datarootdir (or (assq-ref args 'datarootdir) + (string-append prefix "/share")))) + `((project . ,project) + (bindir . ,(or (assq-ref args 'bindir) + (string-append exec-prefix "/bin"))) + (libdir . ,(or (assq-ref args 'libdir) + (string-append exec-prefix "/lib"))) + (datarootdir . ,datarootdir) + (infodir . ,(or (assq-ref args 'infodir) + (string-append datarootdir "/info")))))))) + +(define version + (call-with-input-pipe (list "git" "tag" "--sort=taggerdate" + "--list" "v*") + (lambda (port) + (let ((line (get-line port))) + (if (eof-object? line) + ;; If there are no tags, assume first version. + "0.1.0" + (substring line (string-length "v"))))))) + +(check-for-guile-3.0) +(check-for-module '(yaml)) +(check-for-program "dot" "graphviz") +(check-for-program "cwltool") +(check-for-program "skribilo") +(check-for-optional-program "emacs" "cannot find emacs, and therefore cannot build the website") + +(call-with-output-file "Makefile.include" + (lambda (port) + (display (format "# This file was automatically generated by configure. + +project = ~a +version = ~a +bindir = ~a +libdir = ~a +datarootdir = ~a +infodir = ~a +guile_effective_version = ~a +" + (assq-ref processed-args 'project) + version + (assq-ref processed-args 'bindir) + (assq-ref processed-args 'libdir) + (assq-ref processed-args 'datarootdir) + (assq-ref processed-args 'infodir) + (effective-version)) + port))) |