gnu: gcc: Allow cross-compilation of GCC itself.
* gnu/packages/gcc.scm (gcc-4.7): Define `CC_FOR_TARGET', `AR_FOR_TARGET', etc. when cross-compiling.
This commit is contained in:
Ludovic Courtès
parent
e7133c7680
commit
de1d41f980
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@ -32,129 +32,150 @@
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"ftp://gcc.gnu.org/pub/gcc/infrastructure/")
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(define-public gcc-4.7
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(let ((stripped? #t)) ; TODO: make this a parameter
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(let* ((stripped? #t) ; TODO: make this a parameter
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(maybe-target-tools
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(lambda ()
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;; Return the `_FOR_TARGET' variables that are needed when
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;; cross-compiling GCC.
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(let ((target (%current-target-system)))
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(if target
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(map (lambda (var tool)
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(string-append (string-append var "_FOR_TARGET")
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"=" target "-" tool))
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'("CC" "CXX" "LD" "AR" "NM" "RANLIB" "STRIP")
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'("gcc" "g++" "ld" "ar" "nm" "ranlib" "strip"))
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'()))))
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(configure-flags
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(lambda ()
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;; This is terrible. Since we have two levels of quasiquotation,
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;; we have to do this convoluted thing just so we can insert the
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;; contents of (maybe-target-tools).
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(list 'quasiquote
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(append
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'("--enable-plugin"
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"--enable-languages=c,c++"
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"--disable-multilib"
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"--with-local-prefix=/no-gcc-local-prefix"
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,(let ((libc (assoc-ref %build-inputs "libc")))
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(if libc
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(string-append "--with-native-system-header-dir=" libc
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"/include")
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"--without-headers")))
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(maybe-target-tools))))))
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(package
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(name "gcc")
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(version "4.7.3")
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(source (origin
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(method url-fetch)
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(uri (string-append "mirror://gnu/gcc/gcc-"
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version "/gcc-" version ".tar.bz2"))
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(sha256
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(base32
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"1hx9h64ivarlzi4hxvq42as5m9vlr5cyzaaq4gzj4i619zmkfz1g"))))
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(build-system gnu-build-system)
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(inputs `(("gmp" ,gmp)
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("mpfr" ,mpfr)
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("mpc" ,mpc)
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("isl" ,isl)
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("cloog" ,cloog)
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("libelf" ,libelf)
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("zlib" ,zlib)))
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(arguments
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`(#:out-of-source? #t
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#:strip-binaries? ,stripped?
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#:configure-flags
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`("--enable-plugin"
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"--enable-languages=c,c++"
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"--disable-multilib"
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(name "gcc")
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(version "4.7.3")
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(source (origin
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(method url-fetch)
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(uri (string-append "mirror://gnu/gcc/gcc-"
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version "/gcc-" version ".tar.bz2"))
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(sha256
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(base32
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"1hx9h64ivarlzi4hxvq42as5m9vlr5cyzaaq4gzj4i619zmkfz1g"))))
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(build-system gnu-build-system)
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(inputs `(("gmp" ,gmp)
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("mpfr" ,mpfr)
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("mpc" ,mpc)
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("isl" ,isl)
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("cloog" ,cloog)
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("libelf" ,libelf)
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("zlib" ,zlib)))
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(arguments
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`(#:out-of-source? #t
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#:strip-binaries? ,stripped?
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#:configure-flags ,(configure-flags)
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#:make-flags
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(let ((libc (assoc-ref %build-inputs "libc")))
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`(,@(if libc
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(list (string-append "LDFLAGS_FOR_TARGET="
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"-B" libc "/lib "
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"-Wl,-dynamic-linker "
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"-Wl," libc
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,(glibc-dynamic-linker)))
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'())
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,(string-append "BOOT_CFLAGS=-O2 "
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,(if stripped? "-g0" "-g"))))
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"--with-local-prefix=/no-gcc-local-prefix"
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#:tests? #f
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#:phases
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(alist-cons-before
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'configure 'pre-configure
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(lambda* (#:key inputs outputs #:allow-other-keys)
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(let ((out (assoc-ref outputs "out"))
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(libc (assoc-ref inputs "libc")))
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(when libc
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;; The following is not performed for `--without-headers'
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;; cross-compiler builds.
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,(let ((libc (assoc-ref %build-inputs "libc")))
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(if libc
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(string-append "--with-native-system-header-dir=" libc
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"/include")
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"--without-headers")))
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#:make-flags
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(let ((libc (assoc-ref %build-inputs "libc")))
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`(,@(if libc
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(list (string-append "LDFLAGS_FOR_TARGET="
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"-B" libc "/lib "
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"-Wl,-dynamic-linker "
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"-Wl," libc
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,(glibc-dynamic-linker)))
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'())
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,(string-append "BOOT_CFLAGS=-O2 "
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,(if stripped? "-g0" "-g"))))
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;; Fix the dynamic linker's file name.
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(substitute* (find-files "gcc/config"
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"^linux(64|-elf)?\\.h$")
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(("#define GLIBC_DYNAMIC_LINKER([^ ]*).*$" _ suffix)
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(format #f "#define GLIBC_DYNAMIC_LINKER~a \"~a\"~%"
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suffix
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(string-append libc ,(glibc-dynamic-linker)))))
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#:tests? #f
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#:phases
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(alist-cons-before
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'configure 'pre-configure
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(lambda* (#:key inputs outputs #:allow-other-keys)
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(let ((out (assoc-ref outputs "out"))
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(libc (assoc-ref inputs "libc")))
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(when libc
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;; The following is not performed for `--without-headers'
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;; cross-compiler builds.
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;; Fix the dynamic linker's file name.
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(substitute* (find-files "gcc/config"
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"^linux(64|-elf)?\\.h$")
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(("#define GLIBC_DYNAMIC_LINKER([^ ]*).*$" _ suffix)
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(format #f "#define GLIBC_DYNAMIC_LINKER~a \"~a\"~%"
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suffix
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(string-append libc ,(glibc-dynamic-linker)))))
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;; Tell where to find libstdc++, libc, and `?crt*.o', except
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;; `crt{begin,end}.o', which come with GCC.
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(substitute* (find-files "gcc/config"
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"^(gnu-user(64)?|linux-elf)\\.h$")
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(("#define LIB_SPEC (.*)$" _ suffix)
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;; Note that with this "lib" spec, we may still add a
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;; RUNPATH to GCC even when `libgcc_s' is not NEEDED.
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;; There's not much that can be done to avoid it, though.
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(format #f "#define LIB_SPEC \"-L~a/lib %{!static:-rpath=~a/lib \
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;; Tell where to find libstdc++, libc, and `?crt*.o', except
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;; `crt{begin,end}.o', which come with GCC.
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(substitute* (find-files "gcc/config"
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"^(gnu-user(64)?|linux-elf)\\.h$")
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(("#define LIB_SPEC (.*)$" _ suffix)
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;; Note that with this "lib" spec, we may still add a
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;; RUNPATH to GCC even when `libgcc_s' is not NEEDED.
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;; There's not much that can be done to avoid it, though.
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(format #f "#define LIB_SPEC \"-L~a/lib %{!static:-rpath=~a/lib \
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%{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~a"
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libc libc out out suffix))
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(("#define STARTFILE_SPEC.*$" line)
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(format #f "#define STANDARD_STARTFILE_PREFIX_1 \"~a/lib\"
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libc libc out out suffix))
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(("#define STARTFILE_SPEC.*$" line)
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(format #f "#define STANDARD_STARTFILE_PREFIX_1 \"~a/lib\"
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#define STANDARD_STARTFILE_PREFIX_2 \"\"
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~a~%"
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libc line))))
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libc line))))
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;; Don't retain a dependency on the build-time sed.
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(substitute* "fixincludes/fixincl.x"
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(("static char const sed_cmd_z\\[\\] =.*;")
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"static char const sed_cmd_z[] = \"sed\";"))))
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;; Don't retain a dependency on the build-time sed.
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(substitute* "fixincludes/fixincl.x"
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(("static char const sed_cmd_z\\[\\] =.*;")
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"static char const sed_cmd_z[] = \"sed\";"))))
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(alist-cons-after
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'configure 'post-configure
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(lambda _
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;; Don't store configure flags, to avoid retaining references to
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;; build-time dependencies---e.g., `--with-ppl=/nix/store/xxx'.
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(substitute* "Makefile"
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(("^TOPLEVEL_CONFIGURE_ARGUMENTS=(.*)$" _ rest)
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"TOPLEVEL_CONFIGURE_ARGUMENTS=\n")))
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(alist-replace 'install
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(lambda* (#:key outputs #:allow-other-keys)
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(zero?
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(system* "make"
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,(if stripped?
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"install-strip"
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"install"))))
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%standard-phases)))))
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(alist-cons-after
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'configure 'post-configure
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(lambda _
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;; Don't store configure flags, to avoid retaining references to
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;; build-time dependencies---e.g., `--with-ppl=/nix/store/xxx'.
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(substitute* "Makefile"
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(("^TOPLEVEL_CONFIGURE_ARGUMENTS=(.*)$" _ rest)
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"TOPLEVEL_CONFIGURE_ARGUMENTS=\n")))
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(alist-replace 'install
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(lambda* (#:key outputs #:allow-other-keys)
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(zero?
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(system* "make"
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,(if stripped?
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"install-strip"
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"install"))))
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%standard-phases)))))
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(native-search-paths
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(list (search-path-specification
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(variable "CPATH")
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(directories '("include")))
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(search-path-specification
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(variable "LIBRARY_PATH")
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(directories '("lib" "lib64")))))
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(native-search-paths
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(list (search-path-specification
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(variable "CPATH")
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(directories '("include")))
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(search-path-specification
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(variable "LIBRARY_PATH")
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(directories '("lib" "lib64")))))
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(properties `((gcc-libc . ,(assoc-ref inputs "libc"))))
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(synopsis "GNU Compiler Collection")
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(description
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"The GNU Compiler Collection includes compiler front ends for C, C++,
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(properties `((gcc-libc . ,(assoc-ref inputs "libc"))))
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(synopsis "GNU Compiler Collection")
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(description
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"The GNU Compiler Collection includes compiler front ends for C, C++,
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Objective-C, Fortran, OpenMP for C/C++/Fortran, Java, and Ada, as well as
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libraries for these languages (libstdc++, libgcj, libgomp,...).
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GCC development is a part of the GNU Project, aiming to improve the compiler
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used in the GNU system including the GNU/Linux variant.")
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(license gpl3+)
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(home-page "http://gcc.gnu.org/"))))
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(license gpl3+)
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(home-page "http://gcc.gnu.org/"))))
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(define-public gcc-4.8
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;; FIXME: Move to gcc.scm when Binutils is updated.
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