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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 %gcc-infrastructure
+ ;; Base URL for GCC's infrastructure.
+ "ftp://gcc.gnu.org/pub/gcc/infrastructure/")
+
+(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_TARGET="
+ "-B" 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/"))))
+
+(define-public isl
+ (package
+ (name "isl")
+ (version "0.11.1")
+ (source (origin
+ (method url-fetch)
+ (uri (list (string-append
+ "ftp://ftp.linux.student.kuleuven.be/pub/people/skimo/isl/isl-"
+ version
+ ".tar.bz2")
+ (string-append %gcc-infrastructure
+ name "-" version ".tar.gz")))
+ (sha256
+ (base32
+ "13d9cqa5rzhbjq0xf0b2dyxag7pqa72xj9dhsa03m8ccr1a4npq9"))))
+ (build-system gnu-build-system)
+ (inputs `(("gmp" ,gmp)))
+ (home-page "http://www.kotnet.org/~skimo/isl/")
+ (synopsis
+ "A library for manipulating sets and relations of integer points bounded
+by linear constraints")
+ (description
+ "isl is a library for manipulating sets and relations of integer points
+bounded by linear constraints. Supported operations on sets include
+intersection, union, set difference, emptiness check, convex hull, (integer)
+affine hull, integer projection, computing the lexicographic minimum using
+parametric integer programming, coalescing and parametric vertex
+enumeration. It also includes an ILP solver based on generalized basis
+reduction, transitive closures on maps (which may encode infinite graphs),
+dependence analysis and bounds on piecewise step-polynomials.")
+ (license lgpl2.1+)))
+
+(define-public cloog
+ (package
+ (name "cloog")
+ (version "0.18.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (list (string-append
+ "http://www.bastoul.net/cloog/pages/download/count.php3?url=cloog-"
+ version
+ ".tar.gz")
+ (string-append %gcc-infrastructure
+ name "-" version ".tar.gz")))
+ (sha256
+ (base32
+ "0a12rwfwp22zd0nlld0xyql11cj390rrq1prw35yjsw8wzfshjhw"))
+ (file-name (string-append name "-" version ".tar.gz"))))
+ (build-system gnu-build-system)
+ (inputs `(("gmp" ,gmp)
+ ("isl" ,isl)))
+ (arguments '(#:configure-flags '("--with-isl=system")))
+ (home-page "http://www.cloog.org/")
+ (synopsis "A library to generate code for scanning Z-polyhedra")
+ (description
+ "CLooG is a free software library to generate code for scanning
+Z-polyhedra. That is, it finds a code (e.g., in C, FORTRAN...) that
+reaches each integral point of one or more parameterized polyhedra.
+CLooG has been originally written to solve the code generation problem
+for optimizing compilers based on the polytope model. Nevertheless it
+is used now in various area e.g., to build control automata for
+high-level synthesis or to find the best polynomial approximation of a
+function. CLooG may help in any situation where scanning polyhedra
+matters. While the user has full control on generated code quality,
+CLooG is designed to avoid control overhead and to produce a very
+effective code.")
+ (license gpl2+)))
+
+(define-public libelf
+ (package
+ (name "libelf")
+ (version "0.8.13")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "http://www.mr511.de/software/libelf-"
+ version ".tar.gz"))
+ (sha256
+ (base32
+ "0vf7s9dwk2xkmhb79aigqm0x0yfbw1j0b9ksm51207qwr179n6jr"))))
+ (build-system gnu-build-system)
+ (arguments '(#:phases (alist-replace
+ 'configure
+ (lambda* (#:key outputs #:allow-other-keys)
+ ;; This old `configure' script doesn't support
+ ;; variables passed as arguments.
+ (let ((out (assoc-ref outputs "out")))
+ (setenv "CONFIG_SHELL" (which "bash"))
+ (zero?
+ (system* "./configure"
+ (string-append "--prefix=" out)))))
+ %standard-phases)))
+ (home-page "http://www.mr511.de/software/english.html")
+ (synopsis "An ELF object file access library")
+ (description "libelf is a C library to access ELF object files.")
+ (license lgpl2.0+)))
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