[bug#36477] [PATCH v4 01/23] gnu: openssl: Fix cross-compilation.

[Efraim Flashner]

On Wed, Oct 02, 2019 at 11:58:42AM +0200, Mathieu Othacehe wrote:
> * gnu/packages/tls.scm (openssl-next)[arguments]: Pass CROSS_COMPILE
> environment variable and target system to configure script.
> ---
>  gnu/packages/tls.scm | 62 ++++++++++++++++++++++++++++++++------------
>  1 file changed, 45 insertions(+), 17 deletions(-)
> 
> diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
> index 6689375da6..8797429dcf 100644
> --- a/gnu/packages/tls.scm
> +++ b/gnu/packages/tls.scm
> @@ -13,6 +13,7 @@
>  ;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <address@hidden>
>  ;;; Copyright © 2017 Rutger Helling <address@hidden>
>  ;;; Copyright © 2018 Clément Lassieur <address@hidden>
> +;;; Copyright © 2019 Mathieu Othacehe <address@hidden>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -301,6 +302,23 @@ required structures.")
>        #:disallowed-references ,(list (canonical-package perl))
>        #:phases
>        (modify-phases %standard-phases
> +     ,@(if (%current-target-system)
> +           '((add-before
> +                 'configure 'set-cross-compile
> +               (lambda* (#:key target outputs #:allow-other-keys)
> +                 (setenv "CROSS_COMPILE" (string-append target "-"))
> +                 (setenv "CONFIGURE_TARGET_ARCH"
> +                         (cond
> +                          ((string-prefix? "i686" target)
> +                           "linux-x86")
> +                          ((string-prefix? "x86_64" target)
> +                           "linux-x86_64")
> +                          ((string-prefix? "arm" target)
> +                           "linux-armv4")
> +                          ((string-prefix? "aarch64" target)
> +                           "linux-aarch64")))

This needs a null case. I think I'd try
                (_
                 (string-append "linux-" (string-tokenize
                                         (%current-target-system)
                                         (char-set-compliment (char-set #\-)))))
This would create something somewhat usable for uncovered cases, and in
the case of x86_64-linux, it would (should) spit out "linux-x86_64"

This is basically the code used in (gnu services desktop) for the
enlightenment-setuid-programs.

> +                 #t)))
> +           '())
>          (replace 'configure
>            (lambda* (#:key outputs #:allow-other-keys)
>              (let* ((out (assoc-ref outputs "out"))
> @@ -310,7 +328,9 @@ required structures.")
>                  (("/usr/bin/env")
>                   (string-append (assoc-ref %build-inputs "coreutils")
>                                  "/bin/env")))
> -              (invoke "./config"
> +              (invoke ,@(if (%current-target-system)
> +                         '("./Configure")
> +                         '("./config"))
>                        "shared"       ;build shared libraries
>                        "--libdir=lib"
>  
> @@ -321,7 +341,10 @@ required structures.")
>                                       "/share/openssl-" ,version)
>  
>                        (string-append "--prefix=" out)
> -                      (string-append "-Wl,-rpath," lib)))))
> +                      (string-append "-Wl,-rpath," lib)
> +                   ,@(if (%current-target-system)
> +                         '((getenv "CONFIGURE_TARGET_ARCH"))
> +                         '())))))

could this be changed to
             ,@(when (%current-target-system)
                 '((getenv "CONFIGURE_TARGET_ARCH")))

if it works then you don't need the 'if not' null case.

>          (add-after 'install 'move-static-libraries
>            (lambda* (#:key outputs #:allow-other-keys)
>              ;; Move static libraries to the "static" output.
> @@ -435,21 +458,26 @@ required structures.")
>                     (("^MANDIR[[:blank:]]*=.*$")
>                      (string-append "MANDIR = " out "/share/man\n")))
>                   #t)))
> -        (replace 'configure
> -          ;; Override this phase because OpenSSL 1.0 does not understand 
> -rpath.
> -          (lambda* (#:key outputs #:allow-other-keys)
> -            (let ((out (assoc-ref outputs "out")))
> -              (invoke "./config"
> -                      "shared"                 ;build shared libraries
> -                      "--libdir=lib"
> -
> -                      ;; The default for this catch-all directory is
> -                      ;; PREFIX/ssl.  Change that to something more
> -                      ;; conventional.
> -                      (string-append "--openssldir=" out
> -                                     "/share/openssl-" ,version)
> -
> -                      (string-append "--prefix=" out)))))
> +        (replace 'configure
> +          ;; Override this phase because OpenSSL 1.0 does not understand 
> -rpath.
> +          (lambda* (#:key outputs #:allow-other-keys)
> +            (let ((out (assoc-ref outputs "out")))
> +              (invoke ,@(if (%current-target-system)
> +                            '("./Configure")
> +                            '("./config"))
> +                      "shared"                 ;build shared libraries
> +                      "--libdir=lib"
> +
> +                      ;; The default for this catch-all directory is
> +                      ;; PREFIX/ssl.  Change that to something more
> +                      ;; conventional.
> +                      (string-append "--openssldir=" out
> +                                     "/share/openssl-" ,version)
> +
> +                      (string-append "--prefix=" out)
> +                      ,@(if (%current-target-system)
> +                            '((getenv "CONFIGURE_TARGET_ARCH"))
> +                            '())))))
>          (delete 'move-extra-documentation)
>          (add-after 'install 'move-man3-pages
>            (lambda* (#:key outputs #:allow-other-keys)
> -- 
> 2.23.0
> 
> 
> 
> 

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