gcc: add version 4.8.0

2024-12-28 14:22:50 +03:00 · 2013-04-04 13:55:20 +02:00 · 2013-04-04 13:55:20 +02:00 · 642b07f988
commit 642b07f988
parent 62e37492b9
9 changed files with 1169 additions and 0 deletions
--- a/pkgs/development/compilers/gcc/4.8/arm-eabi.patch
+++ b/pkgs/development/compilers/gcc/4.8/arm-eabi.patch
@ -0,0 +1,230 @@
+Index: gcc-4_7-branch/libstdc++-v3/configure.host
+===================================================================
+--- gcc-4_7-branch/libstdc++-v3/configure.host	(revision 194579)
+++ gcc-4_7-branch/libstdc++-v3/configure.host	(revision 194580)
+@@ -340,7 +340,7 @@
+         fi
+     esac
+     case "${host}" in
+-      arm*-*-linux-*eabi)
+      arm*-*-linux-*eabi*)
+ 	port_specific_symbol_files="\$(srcdir)/../config/os/gnu-linux/arm-eabi-extra.ver"
+ 	;;
+     esac
+Index: gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-2.cc
+===================================================================
+--- gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-2.cc	(revision 194579)
+++ gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-2.cc	(revision 194580)
+@@ -1,5 +1,5 @@
+ // { dg-options "-std=gnu++0x -funsigned-char -fshort-enums" }
+-// { dg-options "-std=gnu++0x -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+// { dg-options "-std=gnu++0x -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ 
+ // 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
+ //
+Index: gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc
+===================================================================
+--- gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc	(revision 194579)
+++ gcc-4_7-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc	(revision 194580)
+@@ -1,5 +1,5 @@
+ // { dg-options "-std=gnu++0x -funsigned-char -fshort-enums" }
+-// { dg-options "-std=gnu++0x -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+// { dg-options "-std=gnu++0x -funsigned-char -fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ 
+ // 2007-05-03  Benjamin Kosnik  <bkoz@redhat.com>
+ //
+Index: gcc-4_7-branch/libjava/configure.ac
+===================================================================
+--- gcc-4_7-branch/libjava/configure.ac	(revision 194579)
+++ gcc-4_7-branch/libjava/configure.ac	(revision 194580)
+@@ -931,7 +931,7 @@
+     # on Darwin -single_module speeds up loading of the dynamic libraries.
+     extra_ldflags_libjava=-Wl,-single_module
+     ;;
+-arm*linux*eabi)
+arm*-*-linux*eabi*)
+     # Some of the ARM unwinder code is actually in libstdc++.  We
+     # could in principle replicate it in libgcj, but it's better to
+     # have a dependency on libstdc++.
+Index: gcc-4_7-branch/libjava/configure
+===================================================================
+--- gcc-4_7-branch/libjava/configure	(revision 194579)
+++ gcc-4_7-branch/libjava/configure	(revision 194580)
+@@ -20542,7 +20542,7 @@
+     # on Darwin -single_module speeds up loading of the dynamic libraries.
+     extra_ldflags_libjava=-Wl,-single_module
+     ;;
+-arm*linux*eabi)
+arm*-*-linux*eabi*)
+     # Some of the ARM unwinder code is actually in libstdc++.  We
+     # could in principle replicate it in libgcj, but it's better to
+     # have a dependency on libstdc++.
+Index: gcc-4_7-branch/libgcc/config.host
+===================================================================
+--- gcc-4_7-branch/libgcc/config.host	(revision 194579)
+++ gcc-4_7-branch/libgcc/config.host	(revision 194580)
+@@ -327,7 +327,7 @@
+ arm*-*-linux*)			# ARM GNU/Linux with ELF
+ 	tmake_file="${tmake_file} arm/t-arm t-fixedpoint-gnu-prefix"
+ 	case ${host} in
+-	arm*-*-linux-*eabi)
+	arm*-*-linux-*eabi*)
+ 	  tmake_file="${tmake_file} arm/t-elf arm/t-bpabi arm/t-linux-eabi t-slibgcc-libgcc"
+ 	  tm_file="$tm_file arm/bpabi-lib.h"
+ 	  unwind_header=config/arm/unwind-arm.h
+Index: gcc-4_7-branch/gcc/doc/install.texi
+===================================================================
+--- gcc-4_7-branch/gcc/doc/install.texi	(revision 194579)
+++ gcc-4_7-branch/gcc/doc/install.texi	(revision 194580)
+@@ -3222,7 +3222,7 @@
+ @heading @anchor{arm-x-eabi}arm-*-eabi
+ ARM-family processors.  Subtargets that use the ELF object format
+ require GNU binutils 2.13 or newer.  Such subtargets include:
+-@code{arm-*-netbsdelf}, @code{arm-*-*linux-gnueabi}
+@code{arm-*-netbsdelf}, @code{arm-*-*linux-gnueabi*}
+ and @code{arm-*-rtemseabi}.
+ 
+ @html
+Index: gcc-4_7-branch/gcc/testsuite/gcc.target/arm/synchronize.c
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/gcc.target/arm/synchronize.c	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/gcc.target/arm/synchronize.c	(revision 194580)
+@@ -1,4 +1,4 @@
+-/* { dg-final { scan-assembler "__sync_synchronize|dmb|mcr" { target arm*-*-linux-*eabi } } } */
+/* { dg-final { scan-assembler "__sync_synchronize|dmb|mcr" { target arm*-*-linux-*eabi* } } } */
+ 
+ void *foo (void)
+ {
+Index: gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.jason/enum6.C
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.jason/enum6.C	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.jason/enum6.C	(revision 194580)
+@@ -7,10 +7,10 @@
+ // enum-size attributes should only be emitted if there are values of
+ // enum type that can escape the compilation unit, gcc cannot currently
+ // detect this; if this facility is added then this linker option should
+-// not be needed.  arm-*-linux*eabi should be a good approximation to
+// not be needed.  arm-*-linux*eabi* should be a good approximation to
+ // those platforms where the EABI supplement defines enum values to be
+ // 32 bits wide.
+-// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ 
+ #include <limits.h>
+ 
+Index: gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.other/enum4.C
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.other/enum4.C	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.other/enum4.C	(revision 194580)
+@@ -9,10 +9,10 @@
+ // enum-size attributes should only be emitted if there are values of
+ // enum type that can escape the compilation unit, gcc cannot currently
+ // detect this; if this facility is added then this linker option should
+-// not be needed.  arm-*-linux*eabi should be a good approximation to
+// not be needed.  arm-*-linux*eabi* should be a good approximation to
+ // those platforms where the EABI supplement defines enum values to be
+ // 32 bits wide.
+-// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ 
+ enum E { 
+   a = -312
+Index: gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.law/enum9.C
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.law/enum9.C	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/g++.old-deja/g++.law/enum9.C	(revision 194580)
+@@ -7,10 +7,10 @@
+ // enum-size attributes should only be emitted if there are values of
+ // enum type that can escape the compilation unit, gcc cannot currently
+ // detect this; if this facility is added then this linker option should
+-// not be needed.  arm-*-linux*eabi should be a good approximation to
+// not be needed.  arm-*-linux*eabi* should be a good approximation to
+ // those platforms where the EABI supplement defines enum values to be
+ // 32 bits wide.
+-// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+// { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ 
+ // GROUPS passed enums
+   extern "C" int printf (const char *, ...);
+Index: gcc-4_7-branch/gcc/testsuite/lib/target-supports.exp
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/lib/target-supports.exp	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/lib/target-supports.exp	(revision 194580)
+@@ -3818,7 +3818,7 @@
+ 		}
+ 	    } ""
+ 	}]
+-    } elseif { [istarget arm*-*-linux-gnueabi] } {
+    } elseif { [istarget arm*-*-linux-gnueabi*] } {
+ 	return [check_runtime sync_longlong_runtime {
+ 	    #include <stdlib.h>
+ 	    int main ()
+@@ -3860,7 +3860,7 @@
+ 	     || [istarget i?86-*-*]
+ 	     || [istarget x86_64-*-*]
+ 	     || [istarget alpha*-*-*] 
+-	     || [istarget arm*-*-linux-gnueabi] 
+	     || [istarget arm*-*-linux-gnueabi*] 
+ 	     || [istarget bfin*-*linux*]
+ 	     || [istarget hppa*-*linux*]
+ 	     || [istarget s390*-*-*] 
+@@ -3890,7 +3890,7 @@
+ 	     || [istarget i?86-*-*]
+ 	     || [istarget x86_64-*-*]
+ 	     || [istarget alpha*-*-*] 
+-	     || [istarget arm*-*-linux-gnueabi] 
+	     || [istarget arm*-*-linux-gnueabi*] 
+ 	     || [istarget hppa*-*linux*]
+ 	     || [istarget s390*-*-*] 
+ 	     || [istarget powerpc*-*-*]
+Index: gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_9.f90
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_9.f90	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_9.f90	(revision 194580)
+@@ -1,6 +1,6 @@
+ ! { dg-do run }
+ ! { dg-options "-fshort-enums" }
+-! { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+! { dg-options "-fshort-enums -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ ! Program to test enumerations when option -fshort-enums is given
+ 
+ program main
+Index: gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_10.f90
+===================================================================
+--- gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_10.f90	(revision 194579)
+++ gcc-4_7-branch/gcc/testsuite/gfortran.dg/enum_10.f90	(revision 194580)
+@@ -1,7 +1,7 @@
+ ! { dg-do run }
+ ! { dg-additional-sources enum_10.c }
+ ! { dg-options "-fshort-enums -w" }
+-! { dg-options "-fshort-enums -w -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi } }
+! { dg-options "-fshort-enums -w -Wl,--no-enum-size-warning" { target arm*-*-linux*eabi* } }
+ ! Make sure short enums are indeed interoperable with the
+ ! corresponding C type.
+ 
+Index: gcc-4_7-branch/gcc/ada/gcc-interface/Makefile.in
+===================================================================
+--- gcc-4_7-branch/gcc/ada/gcc-interface/Makefile.in	(revision 194579)
+++ gcc-4_7-branch/gcc/ada/gcc-interface/Makefile.in	(revision 194580)
+@@ -1866,7 +1866,7 @@
+   LIBRARY_VERSION := $(LIB_VERSION)
+ endif
+ 
+-ifeq ($(strip $(filter-out arm% linux-gnueabi,$(arch) $(osys)-$(word 4,$(targ)))),)
+ifeq ($(strip $(filter-out arm%-linux,$(arch)-$(osys)) $(if $(findstring eabi,$(word 4,$(targ))),,$(word 4,$(targ)))),)
+   LIBGNAT_TARGET_PAIRS = \
+   a-intnam.ads<a-intnam-linux.ads \
+   s-inmaop.adb<s-inmaop-posix.adb \
+Index: gcc-4_7-branch/gcc/config.gcc
+===================================================================
+--- gcc-4_7-branch/gcc/config.gcc	(revision 194579)
+++ gcc-4_7-branch/gcc/config.gcc	(revision 194580)
+@@ -855,7 +855,7 @@
+ 	esac
+ 	tmake_file="${tmake_file} arm/t-arm"
+ 	case ${target} in
+-	arm*-*-linux-*eabi)
+	arm*-*-linux-*eabi*)
+ 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
+ 	    tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi"
+ 	    # Define multilib configuration for arm-linux-androideabi.
--- a/pkgs/development/compilers/gcc/4.8/builder.sh
+++ b/pkgs/development/compilers/gcc/4.8/builder.sh
@ -0,0 +1,245 @@
+source $stdenv/setup
+
+
+export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
+mkdir $NIX_FIXINC_DUMMY
+
+
+if test "$staticCompiler" = "1"; then
+    EXTRA_LDFLAGS="-static"
+else
+    EXTRA_LDFLAGS=""
+fi
+
+# GCC interprets empty paths as ".", which we don't want.
+if test -z "$CPATH"; then unset CPATH; fi
+if test -z "$LIBRARY_PATH"; then unset LIBRARY_PATH; fi
+echo "\$CPATH is \`$CPATH'"
+echo "\$LIBRARY_PATH is \`$LIBRARY_PATH'"
+
+if test "$noSysDirs" = "1"; then
+
+    if test -e $NIX_GCC/nix-support/orig-libc; then
+
+        # Figure out what extra flags to pass to the gcc compilers
+        # being generated to make sure that they use our glibc.
+        extraFlags="$(cat $NIX_GCC/nix-support/libc-cflags)"
+        extraLDFlags="$(cat $NIX_GCC/nix-support/libc-ldflags) $(cat $NIX_GCC/nix-support/libc-ldflags-before)"
+
+        # Use *real* header files, otherwise a limits.h is generated
+        # that does not include Glibc's limits.h (notably missing
+        # SSIZE_MAX, which breaks the build).
+        export NIX_FIXINC_DUMMY=$(cat $NIX_GCC/nix-support/orig-libc)/include
+
+        # The path to the Glibc binaries such as `crti.o'.
+        glibc_libdir="$(cat $NIX_GCC/nix-support/orig-libc)/lib"
+        
+    else
+        # Hack: support impure environments.
+        extraFlags="-isystem /usr/include"
+        extraLDFlags="-L/usr/lib64 -L/usr/lib"
+        glibc_libdir="/usr/lib"
+        export NIX_FIXINC_DUMMY=/usr/include
+    fi
+
+    extraFlags="-I$NIX_FIXINC_DUMMY $extraFlags"
+    extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
+
+    # BOOT_CFLAGS defaults to `-g -O2'; since we override it below,
+    # make sure to explictly add them so that files compiled with the
+    # bootstrap compiler are optimized and (optionally) contain
+    # debugging information (info "(gccinstall) Building").
+    if test -n "$dontStrip"; then
+	extraFlags="-O2 -g $extraFlags"
+    else
+	# Don't pass `-g' at all; this saves space while building.
+	extraFlags="-O2 $extraFlags"
+    fi
+
+    EXTRA_FLAGS="$extraFlags"
+    for i in $extraLDFlags; do
+        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,$i"
+    done
+
+    if test -n "$targetConfig"; then
+        # Cross-compiling, we need gcc not to read ./specs in order to build
+        # the g++ compiler (after the specs for the cross-gcc are created).
+        # Having LIBRARY_PATH= makes gcc read the specs from ., and the build
+        # breaks. Having this variable comes from the default.nix code to bring
+        # gcj in.
+        unset LIBRARY_PATH
+        unset CPATH
+        if test -z "$crossStageStatic"; then
+            EXTRA_TARGET_CFLAGS="-B${libcCross}/lib -idirafter ${libcCross}/include"
+            EXTRA_TARGET_LDFLAGS="-Wl,-L${libcCross}/lib -Wl,-rpath,${libcCross}/lib -Wl,-rpath-link,${libcCross}/lib"
+        fi
+    else
+        if test -z "$NIX_GCC_CROSS"; then
+            EXTRA_TARGET_CFLAGS="$EXTRA_FLAGS"
+            EXTRA_TARGET_CXXFLAGS="$EXTRA_FLAGS"
+            EXTRA_TARGET_LDFLAGS="$EXTRA_LDFLAGS"
+        else
+            # This the case of cross-building the gcc.
+            # We need special flags for the target, different than those of the build
+            # Assertion:
+            test -e $NIX_GCC_CROSS/nix-support/orig-libc
+
+            # Figure out what extra flags to pass to the gcc compilers
+            # being generated to make sure that they use our glibc.
+            extraFlags="$(cat $NIX_GCC_CROSS/nix-support/libc-cflags)"
+            extraLDFlags="$(cat $NIX_GCC_CROSS/nix-support/libc-ldflags) $(cat $NIX_GCC_CROSS/nix-support/libc-ldflags-before)"
+
+            # Use *real* header files, otherwise a limits.h is generated
+            # that does not include Glibc's limits.h (notably missing
+            # SSIZE_MAX, which breaks the build).
+            NIX_FIXINC_DUMMY_CROSS=$(cat $NIX_GCC_CROSS/nix-support/orig-libc)/include
+
+            # The path to the Glibc binaries such as `crti.o'.
+            glibc_dir="$(cat $NIX_GCC_CROSS/nix-support/orig-libc)"
+            glibc_libdir="$glibc_dir/lib"
+            configureFlags="$configureFlags --with-native-system-header-dir=$glibc_dir/include"
+
+            extraFlags="-I$NIX_FIXINC_DUMMY_CROSS $extraFlags"
+            extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
+
+            EXTRA_TARGET_CFLAGS="$extraFlags"
+            for i in $extraLDFlags; do
+                EXTRA_TARGET_LDFLAGS="$EXTRA_TARGET_LDFLAGS -Wl,$i"
+            done
+        fi
+    fi
+
+
+    # CFLAGS_FOR_TARGET are needed for the libstdc++ configure script to find
+    # the startfiles.
+    # FLAGS_FOR_TARGET are needed for the target libraries to receive the -Bxxx
+    # for the startfiles.
+    makeFlagsArray=( \
+        "${makeFlagsArray[@]}" \
+        NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+        SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+        CFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        CXXFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        CFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        CXXFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        FLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        LDFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        LDFLAGS_FOR_TARGET="$EXTRA_TARGET_LDFLAGS $EXTRA_TARGET_LDFLAGS" \
+        )
+
+    if test -z "$targetConfig"; then
+        makeFlagsArray=( \
+            "${makeFlagsArray[@]}" \
+            BOOT_CFLAGS="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+            BOOT_LDFLAGS="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+            )
+    fi
+
+    if test -n "$targetConfig" -a "$crossStageStatic" == 1; then
+        # We don't want the gcc build to assume there will be a libc providing
+        # limits.h in this stagae
+        makeFlagsArray=( \
+            "${makeFlagsArray[@]}" \
+            LIMITS_H_TEST=false \
+            )
+    else
+        makeFlagsArray=( \
+            "${makeFlagsArray[@]}" \
+            LIMITS_H_TEST=true \
+            )
+    fi
+fi
+
+if test -n "$targetConfig"; then
+    # The host strip will destroy some important details of the objects
+    dontStrip=1
+fi
+
+providedPreConfigure="$preConfigure";
+preConfigure() {
+    if test -n "$newlibSrc"; then
+        tar xvf "$newlibSrc" -C ..
+        ln -s ../newlib-*/newlib newlib
+        # Patch to get armvt5el working:
+        sed -i -e 's/ arm)/ arm*)/' newlib/configure.host
+    fi
+    # Bug - they packaged zlib
+    if test -d "zlib"; then
+        # This breaks the build without-headers, which should build only
+        # the target libgcc as target libraries.
+        # See 'configure:5370'
+        rm -Rf zlib
+    fi
+
+    if test -f "$NIX_GCC/nix-support/orig-libc"; then
+        # Patch the configure script so it finds glibc headers.  It's
+        # important for example in order not to get libssp built,
+        # because its functionality is in glibc already.
+        glibc_headers="$(cat $NIX_GCC/nix-support/orig-libc)/include"
+        sed -i \
+            -e "s,glibc_header_dir=/usr/include,glibc_header_dir=$glibc_headers", \
+            gcc/configure
+    fi
+
+    if test -n "$crossMingw" -a -n "$crossStageStatic"; then
+        mkdir -p ../mingw
+        # --with-build-sysroot expects that:
+        cp -R $libcCross/include ../mingw
+        configureFlags="$configureFlags --with-build-sysroot=`pwd`/.."
+    fi
+
+    # Eval the preConfigure script from nix expression.
+    eval $providedPreConfigure;
+    env;
+    # Perform the build in a different directory.
+    mkdir ../build
+    cd ../build
+    configureScript=../$sourceRoot/configure
+}
+
+
+postConfigure() {
+    # Don't store the configure flags in the resulting executables.
+    sed -e '/TOPLEVEL_CONFIGURE_ARGUMENTS=/d' -i Makefile
+}
+
+
+postInstall() {
+    # Remove precompiled headers for now.  They are very big and
+    # probably not very useful yet.
+    find $out/include -name "*.gch" -exec rm -rf {} \; -prune
+
+    # Remove `fixincl' to prevent a retained dependency on the
+    # previous gcc.
+    rm -rf $out/libexec/gcc/*/*/install-tools
+    rm -rf $out/lib/gcc/*/*/install-tools
+    
+    # More dependencies with the previous gcc or some libs (gccbug stores the build command line)
+    rm -rf $out/bin/gccbug
+    # Take out the bootstrap-tools from the rpath, as it's not needed at all having $out
+    for i in $out/libexec/gcc/*/*/*; do
+        if PREV_RPATH=`patchelf --print-rpath $i`; then
+            patchelf --set-rpath `echo $PREV_RPATH | sed 's,:[^:]*bootstrap-tools/lib,,'` $i
+        fi
+    done
+
+    # Get rid of some "fixed" header files
+    rm -rf $out/lib/gcc/*/*/include/root
+
+    # Replace hard links for i686-pc-linux-gnu-gcc etc. with symlinks.
+    for i in $out/bin/*-gcc*; do
+        if cmp -s $out/bin/gcc $i; then
+            ln -sfn gcc $i
+        fi
+    done
+
+    for i in $out/bin/c++ $out/bin/*-c++* $out/bin/*-g++*; do
+        if cmp -s $out/bin/g++ $i; then
+            ln -sfn g++ $i
+        fi
+    done
+
+    eval "$postInstallGhdl"
+}
+
+genericBuild
--- a/pkgs/development/compilers/gcc/4.8/default.nix
+++ b/pkgs/development/compilers/gcc/4.8/default.nix
@ -0,0 +1,525 @@
+{ stdenv, fetchurl, noSysDirs
+, langC ? true, langCC ? true, langFortran ? false
+, langJava ? false
+, langAda ? false
+, langVhdl ? false
+, langGo ? false
+, profiledCompiler ? false
+, staticCompiler ? false
+, enableShared ? true
+, texinfo ? null
+, perl ? null # optional, for texi2pod (then pod2man); required for Java
+, gmp, mpfr, mpc, gettext, which
+, libelf                      # optional, for link-time optimizations (LTO)
+, ppl ? null, cloog ? null, isl ? null # optional, for the Graphite optimization framework.
+, zlib ? null, boehmgc ? null
+, zip ? null, unzip ? null, pkgconfig ? null, gtk ? null, libart_lgpl ? null
+, libX11 ? null, libXt ? null, libSM ? null, libICE ? null, libXtst ? null
+, libXrender ? null, xproto ? null, renderproto ? null, xextproto ? null
+, libXrandr ? null, libXi ? null, inputproto ? null, randrproto ? null
+, gnatboot ? null
+, enableMultilib ? false
+, enablePlugin ? true             # whether to support user-supplied plug-ins
+, name ? "gcc"
+, cross ? null
+, binutilsCross ? null
+, libcCross ? null
+, crossStageStatic ? true
+, gnat ? null
+, libpthread ? null, libpthreadCross ? null  # required for GNU/Hurd
+, stripped ? true
+, gnused ? null
+}:
+
+assert langJava     -> zip != null && unzip != null
+                       && zlib != null && boehmgc != null
+                       && perl != null;  # for `--enable-java-home'
+assert langAda      -> gnatboot != null;
+assert langVhdl     -> gnat != null;
+
+# We enable the isl cloog backend.
+assert cloog != null -> isl != null;
+
+# LTO needs libelf and zlib.
+assert libelf != null -> zlib != null;
+
+# Make sure we get GNU sed.
+assert stdenv.isDarwin -> gnused != null;
+
+# The go frontend is written in c++
+assert langGo -> langCC;
+
+with stdenv.lib;
+with builtins;
+
+let version = "4.8.0";
+
+    # Whether building a cross-compiler for GNU/Hurd.
+    crossGNU = cross != null && cross.config == "i586-pc-gnu";
+
+    patches = []
+      ++ optional stdenv.isArm [ ./arm-eabi.patch ]
+      ++ optional (cross != null) ./libstdc++-target.patch
+      # ++ optional noSysDirs ./no-sys-dirs.patch
+      # The GNAT Makefiles did not pay attention to CFLAGS_FOR_TARGET for its
+      # target libraries and tools.
+      ++ optional langAda ./gnat-cflags.patch
+      ++ optional langFortran ./gfortran-driving.patch;
+
+    javaEcj = fetchurl {
+      # The `$(top_srcdir)/ecj.jar' file is automatically picked up at
+      # `configure' time.
+
+      # XXX: Eventually we might want to take it from upstream.
+      url = "ftp://sourceware.org/pub/java/ecj-4.3.jar";
+      sha256 = "0jz7hvc0s6iydmhgh5h2m15yza7p2rlss2vkif30vm9y77m97qcx";
+    };
+
+    # Antlr (optional) allows the Java `gjdoc' tool to be built.  We want a
+    # binary distribution here to allow the whole chain to be bootstrapped.
+    javaAntlr = fetchurl {
+      url = http://www.antlr.org/download/antlr-3.1.3.jar;
+      sha256 = "1f41j0y4kjydl71lqlvr73yagrs2jsg1fjymzjz66mjy7al5lh09";
+    };
+
+    xlibs = [
+      libX11 libXt libSM libICE libXtst libXrender libXrandr libXi
+      xproto renderproto xextproto inputproto randrproto
+    ];
+
+    javaAwtGtk = langJava && gtk != null;
+
+    /* Platform flags */
+    platformFlags = let
+        gccArch = stdenv.lib.attrByPath [ "platform" "gcc" "arch" ] null stdenv;
+        gccCpu = stdenv.lib.attrByPath [ "platform" "gcc" "cpu" ] null stdenv;
+        gccAbi = stdenv.lib.attrByPath [ "platform" "gcc" "abi" ] null stdenv;
+        gccFpu = stdenv.lib.attrByPath [ "platform" "gcc" "fpu" ] null stdenv;
+        gccFloat = stdenv.lib.attrByPath [ "platform" "gcc" "float" ] null stdenv;
+        gccMode = stdenv.lib.attrByPath [ "platform" "gcc" "mode" ] null stdenv;
+        withArch = if gccArch != null then " --with-arch=${gccArch}" else "";
+        withCpu = if gccCpu != null then " --with-cpu=${gccCpu}" else "";
+        withAbi = if gccAbi != null then " --with-abi=${gccAbi}" else "";
+        withFpu = if gccFpu != null then " --with-fpu=${gccFpu}" else "";
+        withFloat = if gccFloat != null then " --with-float=${gccFloat}" else "";
+        withMode = if gccMode != null then " --with-mode=${gccMode}" else "";
+      in
+        (withArch +
+        withCpu +
+        withAbi +
+        withFpu +
+        withFloat +
+        withMode);
+
+    /* Cross-gcc settings */
+    crossMingw = (cross != null && cross.libc == "msvcrt");
+    crossConfigureFlags = let
+        gccArch = stdenv.lib.attrByPath [ "gcc" "arch" ] null cross;
+        gccCpu = stdenv.lib.attrByPath [ "gcc" "cpu" ] null cross;
+        gccAbi = stdenv.lib.attrByPath [ "gcc" "abi" ] null cross;
+        gccFpu = stdenv.lib.attrByPath [ "gcc" "fpu" ] null cross;
+        gccFloat = stdenv.lib.attrByPath [ "gcc" "float" ] null cross;
+        gccMode = stdenv.lib.attrByPath [ "gcc" "mode" ] null cross;
+        withArch = if gccArch != null then " --with-arch=${gccArch}" else "";
+        withCpu = if gccCpu != null then " --with-cpu=${gccCpu}" else "";
+        withAbi = if gccAbi != null then " --with-abi=${gccAbi}" else "";
+        withFpu = if gccFpu != null then " --with-fpu=${gccFpu}" else "";
+        withFloat = if gccFloat != null then " --with-float=${gccFloat}" else "";
+        withMode = if gccMode != null then " --with-mode=${gccMode}" else "";
+      in
+        "--target=${cross.config}" +
+        withArch +
+        withCpu +
+        withAbi +
+        withFpu +
+        withFloat +
+        withMode +
+        (if crossMingw && crossStageStatic then
+          " --with-headers=${libcCross}/include" +
+          " --with-gcc" +
+          " --with-gnu-as" +
+          " --with-gnu-ld" +
+          " --with-gnu-ld" +
+          " --disable-shared" +
+          " --disable-nls" +
+          " --disable-debug" +
+          " --enable-sjlj-exceptions" +
+          " --enable-threads=win32" +
+          " --disable-win32-registry"
+          else if crossStageStatic then
+          " --disable-libssp --disable-nls" +
+          " --without-headers" +
+          " --disable-threads " +
+          " --disable-libmudflap " +
+          " --disable-libgomp " +
+          " --disable-libquadmath" +
+          " --disable-shared" +
+          " --disable-decimal-float" # libdecnumber requires libc
+          else
+          " --with-headers=${libcCross}/include" +
+          " --enable-__cxa_atexit" +
+          " --enable-long-long" +
+          (if crossMingw then
+            " --enable-threads=win32" +
+            " --enable-sjlj-exceptions" +
+            " --enable-hash-synchronization" +
+            " --disable-libssp" +
+            " --disable-nls" +
+            " --with-dwarf2" +
+            # I think noone uses shared gcc libs in mingw, so we better do the same.
+            # In any case, mingw32 g++ linking is broken by default with shared libs,
+            # unless adding "-lsupc++" to any linking command. I don't know why.
+            " --disable-shared" +
+            (if cross.config == "x86_64-w64-mingw32" then
+              # To keep ABI compatibility with upstream mingw-w64
+              " --enable-fully-dynamic-string"
+              else "")
+            else (if cross.libc == "uclibc" then
+              # In uclibc cases, libgomp needs an additional '-ldl'
+              # and as I don't know how to pass it, I disable libgomp.
+              " --disable-libgomp" else "") +
+            " --enable-threads=posix" +
+            " --enable-nls" +
+            " --disable-decimal-float") # No final libdecnumber (it may work only in 386)
+          );
+    stageNameAddon = if crossStageStatic then "-stage-static" else
+      "-stage-final";
+    crossNameAddon = if cross != null then "-${cross.config}" + stageNameAddon else "";
+
+  bootstrap = cross == null && !stdenv.isArm && !stdenv.isMips;
+
+in
+
+# We need all these X libraries when building AWT with GTK+.
+assert gtk != null -> (filter (x: x == null) xlibs) == [];
+
+stdenv.mkDerivation ({
+  name = "${name}${if stripped then "" else "-debug"}-${version}" + crossNameAddon;
+
+  builder = ./builder.sh;
+
+  src = fetchurl {
+    url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.bz2";
+    sha256 = "0b6cp9d1sas3vq6dj3zrgd134p9b569fqhbixb9cl7mp698zwdxh";
+  };
+
+  inherit patches;
+
+  postPatch =
+    if (stdenv.isGNU
+        || (libcCross != null                  # e.g., building `gcc.crossDrv'
+            && libcCross ? crossConfig
+            && libcCross.crossConfig == "i586-pc-gnu")
+        || (crossGNU && libcCross != null))
+    then
+      # On GNU/Hurd glibc refers to Hurd & Mach headers and libpthread is not
+      # in glibc, so add the right `-I' flags to the default spec string.
+      assert libcCross != null -> libpthreadCross != null;
+      let
+        libc = if libcCross != null then libcCross else stdenv.glibc;
+        gnu_h = "gcc/config/gnu.h";
+        extraCPPDeps =
+             libc.propagatedBuildInputs
+          ++ stdenv.lib.optional (libpthreadCross != null) libpthreadCross
+          ++ stdenv.lib.optional (libpthread != null) libpthread;
+        extraCPPSpec =
+          concatStrings (intersperse " "
+                          (map (x: "-I${x}/include") extraCPPDeps));
+        extraLibSpec =
+          if libpthreadCross != null
+          then "-L${libpthreadCross}/lib ${libpthreadCross.TARGET_LDFLAGS}"
+          else "-L${libpthread}/lib";
+      in
+        '' echo "augmenting \`CPP_SPEC' in \`${gnu_h}' with \`${extraCPPSpec}'..."
+           sed -i "${gnu_h}" \
+               -es'|CPP_SPEC *"\(.*\)$|CPP_SPEC "${extraCPPSpec} \1|g'
+
+           echo "augmenting \`LIB_SPEC' in \`${gnu_h}' with \`${extraLibSpec}'..."
+           sed -i "${gnu_h}" \
+               -es'|LIB_SPEC *"\(.*\)$|LIB_SPEC "${extraLibSpec} \1|g'
+
+           echo "setting \`NATIVE_SYSTEM_HEADER_DIR' and \`STANDARD_INCLUDE_DIR' to \`${libc}/include'..."
+           sed -i "${gnu_h}" \
+               -es'|#define STANDARD_INCLUDE_DIR.*$|#define STANDARD_INCLUDE_DIR "${libc}/include"|g'
+        ''
+    else if cross != null || stdenv.gcc.libc != null then
+      # On NixOS, use the right path to the dynamic linker instead of
+      # `/lib/ld*.so'.
+      let
+        libc = if libcCross != null then libcCross else stdenv.gcc.libc;
+      in
+        '' echo "fixing the \`GLIBC_DYNAMIC_LINKER' and \`UCLIBC_DYNAMIC_LINKER' macros..."
+           for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
+           do
+             grep -q LIBC_DYNAMIC_LINKER "$header" || continue
+             echo "  fixing \`$header'..."
+             sed -i "$header" \
+                 -e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc}\3"|g'
+           done
+        ''
+    else null;
+
+  inherit noSysDirs staticCompiler langJava crossStageStatic
+    libcCross crossMingw;
+
+  nativeBuildInputs = [ texinfo which gettext ]
+    ++ (optional (perl != null) perl)
+    ++ (optional javaAwtGtk pkgconfig);
+
+  buildInputs = [ gmp mpfr mpc libelf ]
+    ++ (optional (ppl != null) ppl)
+    ++ (optional (cloog != null) cloog)
+    ++ (optional (isl != null) isl)
+    ++ (optional (zlib != null) zlib)
+    ++ (optionals langJava [ boehmgc zip unzip ])
+    ++ (optionals javaAwtGtk ([ gtk libart_lgpl ] ++ xlibs))
+    ++ (optionals (cross != null) [binutilsCross])
+    ++ (optionals langAda [gnatboot])
+    ++ (optionals langVhdl [gnat])
+
+    # The builder relies on GNU sed (for instance, Darwin's `sed' fails with
+    # "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
+    ++ (optional stdenv.isDarwin gnused)
+    ;
+
+  NIX_LDFLAGS = stdenv.lib.optionalString  stdenv.isSunOS "-lm -ldl";
+
+  preConfigure = ''
+    configureFlagsArray=(
+      ${stdenv.lib.optionalString (ppl != null && ppl ? dontDisableStatic && ppl.dontDisableStatic)
+        "'--with-host-libstdcxx=-lstdc++ -lgcc_s'"}
+      ${stdenv.lib.optionalString (ppl != null && stdenv.isSunOS)
+        "\"--with-host-libstdcxx=-Wl,-rpath,\$prefix/lib/amd64 -lstdc++\"
+         \"--with-boot-ldflags=-L../prev-x86_64-pc-solaris2.11/libstdc++-v3/src/.libs\""}
+    );
+    ${stdenv.lib.optionalString (stdenv.isSunOS && stdenv.is64bit)
+      ''
+        export NIX_LDFLAGS=`echo $NIX_LDFLAGS | sed -e s~$prefix/lib~$prefix/lib/amd64~g`
+        export LDFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $LDFLAGS_FOR_TARGET"
+        export CXXFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CXXFLAGS_FOR_TARGET"
+        export CFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CFLAGS_FOR_TARGET"
+      ''}
+    '';
+
+  # 'iant' at #go-nuts@freenode, gccgo maintainer, said that
+  # they have a bug in 4.7.1 if adding "--disable-static"
+  dontDisableStatic = langGo || staticCompiler;
+
+  configureFlags = "
+    ${if stdenv.isSunOS then
+      " --enable-long-long --enable-libssp --enable-threads=posix --disable-nls --enable-__cxa_atexit " +
+      # On Illumos/Solaris GNU as is preferred
+      " --with-gnu-as --without-gnu-ld "
+      else ""}
+    --enable-lto
+    ${if enableMultilib then "" else "--disable-multilib"}
+    ${if enableShared then "" else "--disable-shared"}
+    ${if enablePlugin then "--enable-plugin" else "--disable-plugin"}
+    ${if ppl != null then "--with-ppl=${ppl} --disable-ppl-version-check" else ""}
+    ${optionalString (isl != null) "--with-isl=${isl}"}
+    ${optionalString (cloog != null) "--with-cloog=${cloog} --disable-cloog-version-check --enable-cloog-backend=isl"}
+    ${if langJava then
+      "--with-ecj-jar=${javaEcj} " +
+
+      # Follow Sun's layout for the convenience of IcedTea/OpenJDK.  See
+      # <http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2010-April/008888.html>.
+      "--enable-java-home --with-java-home=\${prefix}/lib/jvm/jre "
+      else ""}
+    ${if javaAwtGtk then "--enable-java-awt=gtk" else ""}
+    ${if langJava && javaAntlr != null then "--with-antlr-jar=${javaAntlr}" else ""}
+    --with-gmp=${gmp}
+    --with-mpfr=${mpfr}
+    --with-mpc=${mpc}
+    ${if libelf != null then "--with-libelf=${libelf}" else ""}
+    --disable-libstdcxx-pch
+    --without-included-gettext
+    --with-system-zlib
+    --enable-languages=${
+      concatStrings (intersperse ","
+        (  optional langC        "c"
+        ++ optional langCC       "c++"
+        ++ optional langFortran  "fortran"
+        ++ optional langJava     "java"
+        ++ optional langAda      "ada"
+        ++ optional langVhdl     "vhdl"
+        ++ optional langGo       "go"
+        )
+      )
+    }
+    ${if (stdenv ? glibc && cross == null)
+      then " --with-native-system-header-dir=${stdenv.glibc}/include"
+      else ""}
+    ${if langAda then " --enable-libada" else ""}
+    ${if cross == null && stdenv.isi686 then "--with-arch=i686" else ""}
+    ${if cross != null then crossConfigureFlags else ""}
+    ${if !bootstrap then "--disable-bootstrap" else ""}
+    ${if cross == null then platformFlags else ""}
+  ";
+
+  targetConfig = if cross != null then cross.config else null;
+
+  buildFlags = if bootstrap then
+    (if profiledCompiler then "profiledbootstrap" else "bootstrap")
+    else "";
+
+  installTargets =
+    if stripped
+    then "install-strip"
+    else "install";
+
+  crossAttrs = let
+    xgccArch = stdenv.lib.attrByPath [ "gcc" "arch" ] null stdenv.cross;
+    xgccCpu = stdenv.lib.attrByPath [ "gcc" "cpu" ] null stdenv.cross;
+    xgccAbi = stdenv.lib.attrByPath [ "gcc" "abi" ] null stdenv.cross;
+    xgccFpu = stdenv.lib.attrByPath [ "gcc" "fpu" ] null stdenv.cross;
+    xgccFloat = stdenv.lib.attrByPath [ "gcc" "float" ] null stdenv.cross;
+    xwithArch = if xgccArch != null then " --with-arch=${xgccArch}" else "";
+    xwithCpu = if xgccCpu != null then " --with-cpu=${xgccCpu}" else "";
+    xwithAbi = if xgccAbi != null then " --with-abi=${xgccAbi}" else "";
+    xwithFpu = if xgccFpu != null then " --with-fpu=${xgccFpu}" else "";
+    xwithFloat = if xgccFloat != null then " --with-float=${xgccFloat}" else "";
+  in {
+    AR = "${stdenv.cross.config}-ar";
+    LD = "${stdenv.cross.config}-ld";
+    CC = "${stdenv.cross.config}-gcc";
+    CXX = "${stdenv.cross.config}-gcc";
+    AR_FOR_TARGET = "${stdenv.cross.config}-ar";
+    LD_FOR_TARGET = "${stdenv.cross.config}-ld";
+    CC_FOR_TARGET = "${stdenv.cross.config}-gcc";
+    NM_FOR_TARGET = "${stdenv.cross.config}-nm";
+    CXX_FOR_TARGET = "${stdenv.cross.config}-g++";
+    # If we are making a cross compiler, cross != null
+    NIX_GCC_CROSS = if cross == null then "${stdenv.gccCross}" else "";
+    dontStrip = true;
+    configureFlags = ''
+      ${if enableMultilib then "" else "--disable-multilib"}
+      ${if enableShared then "" else "--disable-shared"}
+      ${if ppl != null then "--with-ppl=${ppl.crossDrv}" else ""}
+      ${if cloog != null then "--with-cloog=${cloog.crossDrv} --enable-cloog-backend=isl" else ""}
+      ${if langJava then "--with-ecj-jar=${javaEcj.crossDrv}" else ""}
+      ${if javaAwtGtk then "--enable-java-awt=gtk" else ""}
+      ${if langJava && javaAntlr != null then "--with-antlr-jar=${javaAntlr.crossDrv}" else ""}
+      --with-gmp=${gmp.crossDrv}
+      --with-mpfr=${mpfr.crossDrv}
+      --disable-libstdcxx-pch
+      --without-included-gettext
+      --with-system-zlib
+      --enable-languages=${
+        concatStrings (intersperse ","
+          (  optional langC        "c"
+          ++ optional langCC       "c++"
+          ++ optional langFortran  "fortran"
+          ++ optional langJava     "java"
+          ++ optional langAda      "ada"
+          ++ optional langVhdl     "vhdl"
+          ++ optional langGo       "go"
+          )
+        )
+      }
+      ${if langAda then " --enable-libada" else ""}
+      --target=${stdenv.cross.config}
+      ${xwithArch}
+      ${xwithCpu}
+      ${xwithAbi}
+      ${xwithFpu}
+      ${xwithFloat}
+    '';
+    buildFlags = "";
+  };
+
+
+  # Needed for the cross compilation to work
+  AR = "ar";
+  LD = "ld";
+  # http://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
+  CC = if stdenv.system == "x86_64-solaris" then "gcc -m64"
+       else "gcc";
+
+  # Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find
+  # the library headers and binaries, regarless of the language being
+  # compiled.
+
+  # Note: When building the Java AWT GTK+ peer, the build system doesn't
+  # honor `--with-gmp' et al., e.g., when building
+  # `libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c', so we just
+  # add them to $CPATH and $LIBRARY_PATH in this case.
+  #
+  # Likewise, the LTO code doesn't find zlib.
+
+  CPATH = concatStrings
+            (intersperse ":" (map (x: x + "/include")
+                                  (optionals (zlib != null) [ zlib ]
+                                   ++ optionals langJava [ boehmgc ]
+                                   ++ optionals javaAwtGtk xlibs
+                                   ++ optionals javaAwtGtk [ gmp mpfr ]
+                                   ++ optional (libpthread != null) libpthread
+                                   ++ optional (libpthreadCross != null) libpthreadCross
+
+                                   # On GNU/Hurd glibc refers to Mach & Hurd
+                                   # headers.
+                                   ++ optionals (libcCross != null &&
+                                                 hasAttr "propagatedBuildInputs" libcCross)
+                                        libcCross.propagatedBuildInputs)));
+
+  LIBRARY_PATH = concatStrings
+                   (intersperse ":" (map (x: x + "/lib")
+                                         (optionals (zlib != null) [ zlib ]
+                                          ++ optionals langJava [ boehmgc ]
+                                          ++ optionals javaAwtGtk xlibs
+                                          ++ optionals javaAwtGtk [ gmp mpfr ]
+                                          ++ optional (libpthread != null) libpthread)));
+
+  EXTRA_TARGET_CFLAGS =
+    if cross != null && libcCross != null
+    then "-idirafter ${libcCross}/include"
+    else null;
+
+  EXTRA_TARGET_LDFLAGS =
+    if cross != null && libcCross != null
+    then "-B${libcCross}/lib -Wl,-L${libcCross}/lib" +
+         (optionalString (libpthreadCross != null)
+           " -L${libpthreadCross}/lib -Wl,${libpthreadCross.TARGET_LDFLAGS}")
+    else null;
+
+  passthru = { inherit langC langCC langAda langFortran langVhdl
+      langGo enableMultilib version; };
+
+  /* From gccinstall.info:
+     "parallel make is currently not supported since collisions in profile
+     collecting may occur"
+  */
+  enableParallelBuilding = !profiledCompiler;
+
+  meta = {
+    homepage = http://gcc.gnu.org/;
+    license = "GPLv3+";  # runtime support libraries are typically LGPLv3+
+    description = "GNU Compiler Collection, version ${version}"
+      + (if stripped then "" else " (with debugging info)");
+
+    longDescription = ''
+      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.
+    '';
+
+    maintainers = with stdenv.lib.maintainers; [ ludo viric shlevy simons ];
+
+    # Volunteers needed for the {Cyg,Dar}win ports of *PPL.
+    # gnatboot is not available out of linux platforms, so we disable the darwin build
+    # for the gnat (ada compiler).
+    platforms = stdenv.lib.platforms.linux ++ optionals (langAda == false && libelf == null) [ "i686-darwin" ];
+  };
+}
+
+// optionalAttrs (cross != null && cross.libc == "msvcrt" && crossStageStatic) {
+  makeFlags = [ "all-gcc" "all-target-libgcc" ];
+  installTargets = "install-gcc install-target-libgcc";
+}
+
+
+# Strip kills static libs of other archs (hence cross != null)
+// optionalAttrs (!stripped || cross != null) { dontStrip = true; NIX_STRIP_DEBUG = 0; }
+)
--- a/pkgs/development/compilers/gcc/4.8/gfortran-driving.patch
+++ b/pkgs/development/compilers/gcc/4.8/gfortran-driving.patch
@ -0,0 +1,20 @@
+This patch fixes interaction with Libtool.
+See <http://thread.gmane.org/gmane.comp.gcc.patches/258777>, for details.
+
+--- a/gcc/fortran/gfortranspec.c
+++ b/gcc/fortran/gfortranspec.c
+@@ -461,8 +461,15 @@ For more information about these matters, see the file named COPYING\n\n"));
+     {
+       fprintf (stderr, _("Driving:"));
+       for (i = 0; i < g77_newargc; i++)
+	{
+	  if (g77_new_decoded_options[i].opt_index == OPT_l)
+	    /* Make sure no white space is inserted after `-l'.  */
+	    fprintf (stderr, " -l%s",
+		     g77_new_decoded_options[i].canonical_option[1]);
+	  else
+ 	fprintf (stderr, " %s",
+ 		 g77_new_decoded_options[i].orig_option_with_args_text);
+	}
+       fprintf (stderr, "\n");
+     }
--- a/pkgs/development/compilers/gcc/4.8/gnat-cflags.patch
+++ b/pkgs/development/compilers/gcc/4.8/gnat-cflags.patch
@ -0,0 +1,33 @@
+diff --git a/libada/Makefile.in b/libada/Makefile.in
+index f5057a0..337e0c6 100644
+--- a/libada/Makefile.in
+++ b/libada/Makefile.in
+@@ -55,7 +55,7 @@ GCC_WARN_CFLAGS = $(LOOSE_WARN)
+ WARN_CFLAGS = @warn_cflags@
+ 
+ TARGET_LIBGCC2_CFLAGS=
+-GNATLIBCFLAGS= -g -O2
+GNATLIBCFLAGS= -g -O2 $(CFLAGS)
+ GNATLIBCFLAGS_FOR_C = $(GNATLIBCFLAGS) $(TARGET_LIBGCC2_CFLAGS) -fexceptions \
+ 	-DIN_RTS @have_getipinfo@
+ 
+--- a/gcc/ada/gcc-interface/Makefile.in
+++ b/gcc/ada/gcc-interface/Makefile.in
+@@ -105,7 +105,7 @@ ADAFLAGS = -W -Wall -gnatpg -gnata
+ SOME_ADAFLAGS =-gnata
+ FORCE_DEBUG_ADAFLAGS = -g
+ GNATLIBFLAGS = -gnatpg -nostdinc
+-GNATLIBCFLAGS = -g -O2
+GNATLIBCFLAGS = -g -O2 $(CFLAGS_FOR_TARGET)
+ # Pretend that _Unwind_GetIPInfo is available for the target by default.  This
+ # should be autodetected during the configuration of libada and passed down to
+ # here, but we need something for --disable-libada and hope for the best.
+@@ -193,7 +193,7 @@ RTSDIR = rts$(subst /,_,$(MULTISUBDIR))
+ # Link flags used to build gnat tools.  By default we prefer to statically
+ # link with libgcc to avoid a dependency on shared libgcc (which is tricky
+ # to deal with as it may conflict with the libgcc provided by the system).
+-GCC_LINK_FLAGS=-static-libgcc
+GCC_LINK_FLAGS=-static-libgcc $(CFLAGS_FOR_TARGET)
+ 
+ # End of variables for you to override.
+ 
--- a/pkgs/development/compilers/gcc/4.8/java-jvgenmain-link.patch
+++ b/pkgs/development/compilers/gcc/4.8/java-jvgenmain-link.patch
@ -0,0 +1,17 @@
+The `jvgenmain' executable must be linked against `vec.o', among others,
+since it uses its vector API.
+
+--- gcc-4.3.3/gcc/java/Make-lang.in	2008-12-05 00:00:19.000000000 +0100
+++ gcc-4.3.3/gcc/java/Make-lang.in	2009-07-03 16:11:41.000000000 +0200
+@@ -109,9 +109,9 @@ jcf-dump$(exeext): $(JCFDUMP_OBJS) $(LIB
+ 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JCFDUMP_OBJS) \
+ 		$(CPPLIBS) $(ZLIB) $(LDEXP_LIB) $(LIBS)
+ 
+-jvgenmain$(exeext): $(JVGENMAIN_OBJS) $(LIBDEPS)
+jvgenmain$(exeext): $(JVGENMAIN_OBJS) $(LIBDEPS) $(BUILD_RTL)
+ 	rm -f $@
+-	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JVGENMAIN_OBJS) $(LIBS)
+	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JVGENMAIN_OBJS) $(BUILD_RTL) $(LIBS)
+ 
+ #
+ # Build hooks:
--- a/pkgs/development/compilers/gcc/4.8/libstdc++-target.patch
+++ b/pkgs/development/compilers/gcc/4.8/libstdc++-target.patch
@ -0,0 +1,32 @@
+Patch to make the target libraries 'configure' scripts find the proper CPP.
+I noticed that building the mingw32 cross compiler.
+Looking at the build script for mingw in archlinux, I think that only nixos
+needs this patch. I don't know why.
+diff --git a/Makefile.in b/Makefile.in
+index 93f66b6..d691917 100644
+--- a/Makefile.in
+++ b/Makefile.in
+@@ -266,6 +266,7 @@ BASE_TARGET_EXPORTS = \
+ 	AR="$(AR_FOR_TARGET)"; export AR; \
+ 	AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
+ 	CC="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
+	CPP="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS -E"; export CC; \
+ 	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+ 	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
+ 	CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
+@@ -291,11 +292,13 @@ BASE_TARGET_EXPORTS = \
+ RAW_CXX_TARGET_EXPORTS = \
+ 	$(BASE_TARGET_EXPORTS) \
+ 	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
+-	CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
+	CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX; \
+	CXXCPP="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS -E"; export CXX;
+ 
+ NORMAL_TARGET_EXPORTS = \
+ 	$(BASE_TARGET_EXPORTS) \
+-	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
+	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX; \
+	CXXCPP="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS -E"; export CXX;
+ 
+ # Where to find GMP
+ HOST_GMPLIBS = @gmplibs@
--- a/pkgs/development/compilers/gcc/4.8/no-sys-dirs.patch
+++ b/pkgs/development/compilers/gcc/4.8/no-sys-dirs.patch
@ -0,0 +1,41 @@
+diff -ru gcc-4.3.1-orig/gcc/cppdefault.c gcc-4.3.1/gcc/cppdefault.c
+--- gcc-4.3.1-orig/gcc/cppdefault.c	2007-07-26 10:37:01.000000000 +0200
+++ gcc-4.3.1/gcc/cppdefault.c	2008-06-25 17:48:23.000000000 +0200
+@@ -41,6 +41,10 @@
+ # undef CROSS_INCLUDE_DIR
+ #endif
+ 
+#undef LOCAL_INCLUDE_DIR
+#undef SYSTEM_INCLUDE_DIR
+#undef STANDARD_INCLUDE_DIR
+
+ const struct default_include cpp_include_defaults[]
+ #ifdef INCLUDE_DEFAULTS
+ = INCLUDE_DEFAULTS;
+diff -ru gcc-4.3.1-orig/gcc/gcc.c gcc-4.3.1/gcc/gcc.c
+--- gcc-4.3.1-orig/gcc/gcc.c	2008-03-02 23:55:19.000000000 +0100
+++ gcc-4.3.1/gcc/gcc.c	2008-06-25 17:52:53.000000000 +0200
+@@ -1478,10 +1478,10 @@
+ /* Default prefixes to attach to command names.  */
+ 
+ #ifndef STANDARD_STARTFILE_PREFIX_1
+-#define STANDARD_STARTFILE_PREFIX_1 "/lib/"
+#define STANDARD_STARTFILE_PREFIX_1 ""
+ #endif
+ #ifndef STANDARD_STARTFILE_PREFIX_2
+-#define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/"
+#define STANDARD_STARTFILE_PREFIX_2 ""
+ #endif
+ 
+ #ifdef CROSS_DIRECTORY_STRUCTURE  /* Don't use these prefixes for a cross compiler.  */
+--- gcc-4.3.1-orig/gcc/Makefile.in	2008-05-11 20:54:15.000000000 +0200
+++ gcc-4.3.1/gcc/Makefile.in	2008-06-25 17:48:23.000000000 +0200
+@@ -3277,7 +3281,7 @@
+   -DGPLUSPLUS_INCLUDE_DIR=\"$(gcc_gxx_include_dir)\" \
+   -DGPLUSPLUS_TOOL_INCLUDE_DIR=\"$(gcc_gxx_include_dir)/$(target_noncanonical)\" \
+   -DGPLUSPLUS_BACKWARD_INCLUDE_DIR=\"$(gcc_gxx_include_dir)/backward\" \
+-  -DLOCAL_INCLUDE_DIR=\"$(local_includedir)\" \
+  -DLOCAL_INCLUDE_DIR=\"/no-such-dir\" \
+   -DCROSS_INCLUDE_DIR=\"$(CROSS_SYSTEM_HEADER_DIR)\" \
+   -DTOOL_INCLUDE_DIR=\"$(gcc_tooldir)/include\" \
+   -DPREFIX=\"$(prefix)/\" \
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@ -2237,6 +2237,32 @@ let
    binutilsCross = null;
  }));

+  gcc48_real = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    inherit noSysDirs;
+    # I'm not sure if profiling with enableParallelBuilding helps a lot.
+    # We can enable it back some day. This makes the *gcc* builds faster now.
+    profiledCompiler = false;
+
+    # When building `gcc.crossDrv' (a "Canadian cross", with host == target
+    # and host != build), `cross' must be null but the cross-libc must still
+    # be passed.
+    cross = null;
+    libcCross = if crossSystem != null then libcCross else null;
+    libpthreadCross =
+      if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+      then gnu.libpthreadCross
+      else null;
+  }));
+
+  gcc48_debug = lowPrio (wrapGCC (callPackage ../development/compilers/gcc/4.8 {
+    stripped = false;
+
+    inherit noSysDirs;
+    cross = null;
+    libcCross = null;
+    binutilsCross = null;
+  }));
+
  gccApple =
    assert stdenv.isDarwin;
    wrapGCC (makeOverridable (import ../development/compilers/gcc/4.2-apple64) {