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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 gcc)
#:use-module (guix licenses)
#:use-module (gnu packages)
#:use-module (gnu packages bootstrap)
#:use-module (gnu packages compression)
#:use-module (gnu packages multiprecision)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public gcc-4.7
(let ((stripped? #t)) ; TODO: make this a parameter
(package
(name "gcc")
(version "4.7.2")
(source (origin
(method url-fetch)
(uri (string-append "mirror://gnu/gcc/gcc-"
version "/gcc-" version ".tar.bz2"))
(sha256
(base32
"115h03hil99ljig8lkrq4qk426awmzh0g99wrrggxf8g07bq74la"))))
(build-system gnu-build-system)
(inputs `(("gmp" ,gmp)
("mpfr" ,mpfr)
("mpc" ,mpc))) ; TODO: libelf, ppl, cloog, zlib, etc.
(arguments
`(#:out-of-source? #t
#:strip-binaries? ,stripped?
#:configure-flags
`("--enable-plugin"
"--enable-languages=c,c++"
"--disable-multilib"
"--with-local-prefix=/no-gcc-local-prefix"
,(let ((libc (assoc-ref %build-inputs "libc")))
(if libc
(string-append "--with-native-system-header-dir=" libc
"/include")
"--without-headers")))
#:make-flags
(let ((libc (assoc-ref %build-inputs "libc")))
`(,@(if libc
(list (string-append "LDFLAGS_FOR_BUILD="
"-L" libc "/lib "
"-Wl,-dynamic-linker "
"-Wl," libc
,(glibc-dynamic-linker)))
'())
,(string-append "BOOT_CFLAGS=-O2 "
,(if stripped? "-g0" "-g"))))
#:tests? #f
#:phases
(alist-cons-before
'configure 'pre-configure
(lambda* (#:key inputs outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out"))
(libc (assoc-ref inputs "libc")))
(when libc
;; The following is not performed for `--without-headers'
;; cross-compiler builds.
;; Fix the dynamic linker's file name.
(substitute* (find-files "gcc/config"
"^linux(64|-elf)?\\.h$")
(("#define GLIBC_DYNAMIC_LINKER([^ ]*).*$" _ suffix)
(format #f "#define GLIBC_DYNAMIC_LINKER~a \"~a\"~%"
suffix
(string-append libc ,(glibc-dynamic-linker)))))
;; Tell where to find libstdc++, libc, and `?crt*.o', except
;; `crt{begin,end}.o', which come with GCC.
(substitute* (find-files "gcc/config"
"^(gnu-user(64)?|linux-elf)\\.h$")
(("#define LIB_SPEC (.*)$" _ suffix)
;; Note that with this "lib" spec, we may still add a
;; RUNPATH to GCC even when `libgcc_s' is not NEEDED.
;; There's not much that can be done to avoid it, though.
(format #f "#define LIB_SPEC \"-L~a/lib %{!static:-rpath=~a/lib \
%{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~a~%"
libc libc out out suffix))
(("#define STARTFILE_SPEC.*$" line)
(format #f "#define STANDARD_STARTFILE_PREFIX_1 \"~a/lib\"
#define STANDARD_STARTFILE_PREFIX_2 \"\"
~a~%"
libc line))))
;; Don't retain a dependency on the build-time sed.
(substitute* "fixincludes/fixincl.x"
(("static char const sed_cmd_z\\[\\] =.*;")
"static char const sed_cmd_z[] = \"sed\";"))))
(alist-cons-after
'configure 'post-configure
(lambda _
;; Don't store configure flags, to avoid retaining references to
;; build-time dependencies---e.g., `--with-ppl=/nix/store/xxx'.
(substitute* "Makefile"
(("^TOPLEVEL_CONFIGURE_ARGUMENTS=(.*)$" _ rest)
"TOPLEVEL_CONFIGURE_ARGUMENTS=\n")))
(alist-replace 'install
(lambda* (#:key outputs #:allow-other-keys)
(zero?
(system* "make"
,(if stripped?
"install-strip"
"install"))))
%standard-phases)))))
(properties `((gcc-libc . ,(assoc-ref inputs "libc"))))
(synopsis "The GNU Compiler Collection")
(description
"The GNU Compiler Collection includes compiler front ends for C, C++,
Objective-C, Fortran, OpenMP for C/C++/Fortran, Java, and Ada, as well as
libraries for these languages (libstdc++, libgcj, libgomp,...).
GCC development is a part of the GNU Project, aiming to improve the compiler
used in the GNU system including the GNU/Linux variant.")
(license gpl3+)
(home-page "http://gcc.gnu.org/"))))
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