First attempt for the full stdenvCross. I think that it should work. The

toolchain for arm built.


svn path=/nixpkgs/branches/stdenv-updates/; revision=18355

pkgs/development/compilers/gcc-4.3/builder.sh

@@ -31,6 +31,7 @@ if test "$noSysDirs" = "1"; then
         export NIX_FIXINC_DUMMY=/usr/include
     fi
 
+
     extraCFlags="-g0 -I$gmp/include -I$mpfr/include $extraCFlags"
     extraLDFlags="--strip-debug $extraLDFlags"
 
@@ -39,14 +40,37 @@ if test "$noSysDirs" = "1"; then
         export NIX_EXTRA_LDFLAGS="$NIX_EXTRA_LDFLAGS -Wl,$i"
     done
 
+    set -x
+    if test -n "$cross"; then
+        if test -z "$crossStageStatic"; then
+            extraXCFlags="-B${glibcCross}/lib -idirafter ${glibcCross}/include"
+            extraXLDFlags="-L${glibcCross}/lib"
+            export NIX_EXTRA_CFLAGS_TARGET=$extraXCFlags
+            for i in $extraXLDFlags; do
+                export NIX_EXTRA_LDFLAGS_TARGET="$NIX_EXTRA_LDFLAGS_TARGET -Wl,$i"
+            done
+        fi
+
         makeFlagsArray=( \
             "${makeFlagsArray[@]}" \
             NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
             SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
-        X_CFLAGS="$NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS" \
-        LDFLAGS="$NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS" \
-        LDFLAGS_FOR_TARGET="$NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS" \
+            CFLAGS_FOR_TARGET="$NIX_EXTRA_CFLAGS_TARGET $NIX_EXTRA_LDFLAGS_TARGET" \
+            LDFLAGS_FOR_TARGET="$NIX_EXTRA_CFLAGS_TARGET $NIX_EXTRA_LDFLAGS_TARGET" \
             )
+    else
+        export NIX_EXTRA_CFLAGS_TARGET=$NIX_EXTRA_CFLAGS
+        export NIX_EXTRA_LDFLAGS_TARGET=$NIX_EXTRA_LDFLAGS
+        makeFlagsArray=( \
+            "${makeFlagsArray[@]}" \
+            NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+            SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+            CFLAGS_FOR_BUILD="$NIX_EXTRA_X_CFLAGS $NIX_EXTRA_X_LDFLAGS" \
+            CFLAGS_FOR_TARGET="$NIX_EXTRA_X_CFLAGS $NIX_EXTRA_X_LDFLAGS" \
+            LDFLAGS_FOR_BUILD="$NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS" \
+            LDFLAGS_FOR_TARGET="$NIX_EXTRA_X_CFLAGS $NIX_EXTRA_X_LDFLAGS" \
+            )
+    fi
 
     if test -n "$cross" -a "$crossStageStatic" == 1; then
         # We don't want the gcc build to assume there will be a libc providing
@@ -61,6 +85,7 @@ if test "$noSysDirs" = "1"; then
             LIMITS_H_TEST=true \
             )
     fi
+    set +x
 fi
 
 if test -n "$cross"; then

pkgs/development/compilers/gcc-4.3/default.nix

@@ -12,7 +12,7 @@
 , name ? "gcc"
 , cross ? null
 , binutilsCross ? null
-, glibcHeadersCross ? null
+, glibcCross ? null
 , crossStageStatic ? true
 }:
 
@@ -34,8 +34,12 @@ let
       " --disable-threads " +
       " --disable-libmudflap " +
       " --disable-libgomp " +
-      " --disable-shared" else
-      " --with-headers=${glibcHeadersCross}"
+      " --disable-shared"
+      else
+      " --with-headers=${glibcCross}/include" +
+      " --enable-__cxa_atexit" +
+      " --enable-long-long" +
+      " --enable-threads=posix"
       );
   stageNameAddon = if (crossStageStatic) then "-stage-static" else
     "-stage-final";
@@ -72,7 +76,8 @@ stdenv.mkDerivation ({
     ++ optional (noSysDirs && langFortran) ./no-sys-dirs-fortran.patch
     ++ optional langJava ./java-jvgenmain-link.patch;
     
-  inherit noSysDirs profiledCompiler staticCompiler cross crossStageStatic binutilsCross;
+  inherit noSysDirs profiledCompiler staticCompiler cross crossStageStatic
+    binutilsCross glibcCross;
 
   buildInputs = [texinfo gmp mpfr]
     ++ (optionals langTreelang [bison flex])

pkgs/development/compilers/gcc-4.3/no-sys-dirs.patch

@@ -74,7 +74,7 @@ diff -ru gcc-4.3.1-orig/libgomp/configure gcc-4.3.1/libgomp/configure
 +# Ugly hack to get libmudflap (and possibly other libraries) to build.
 +# Libtool filters out \`-B' flags when linking (why?), so the \`-B' flag
 +# to Glibc gets lost.  Here we forcibly add it to any invocation.
-+CC="\$CC $NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS"
++CC="\$CC $NIX_EXTRA_CFLAGS_TARGET $NIX_EXTRA_LDFLAGS_TARGET"
 +
  # Is the compiler the GNU compiler?
  with_gcc=$GCC
@@ -90,7 +90,7 @@ diff -ru gcc-4.3.1-orig/libmudflap/configure gcc-4.3.1/libmudflap/configure
 +# Ugly hack to get libmudflap (and possibly other libraries) to build.
 +# Libtool filters out \`-B' flags when linking (why?), so the \`-B' flag
 +# to Glibc gets lost.  Here we forcibly add it to any invocation.
-+CC="\$CC $NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS"
++CC="\$CC $NIX_EXTRA_CFLAGS_TARGET $NIX_EXTRA_LDFLAGS_TARGET"
 +
  # Is the compiler the GNU compiler?
  with_gcc=$GCC
@@ -106,7 +106,7 @@ diff -ru gcc-4.3.1-orig/libssp/configure gcc-4.3.1/libssp/configure
 +# Ugly hack to get libmudflap (and possibly other libraries) to build.
 +# Libtool filters out \`-B' flags when linking (why?), so the \`-B' flag
 +# to Glibc gets lost.  Here we forcibly add it to any invocation.
-+CC="\$CC $NIX_EXTRA_CFLAGS $NIX_EXTRA_LDFLAGS"
++CC="\$CC $NIX_EXTRA_CFLAGS_TARGET $NIX_EXTRA_LDFLAGS_TARGET"
 +
  # Is the compiler the GNU compiler?
  with_gcc=$GCC
@@ -120,10 +120,10 @@ diff -ru gcc-4.3.1-orig/Makefile.in gcc-4.3.1/Makefile.in
  ###
  
 +CFLAGS += $(NIX_EXTRA_CFLAGS)
-+CPPFLAGS_FOR_TARGET += $(NIX_EXTRA_CFLAGS)
++CPPFLAGS_FOR_TARGET += $(NIX_EXTRA_CFLAGS_TARGET)
 +CXXFLAGS += $(NIX_EXTRA_CFLAGS)
 +LDFLAGS += $(NIX_EXTRA_LDFLAGS)
-+LDFLAGS_FOR_TARGET += $(NIX_EXTRA_LDFLAGS)
++LDFLAGS_FOR_TARGET += $(NIX_EXTRA_LDFLAGS_TARGET)
 +BOOT_CFLAGS += $(NIX_EXTRA_CFLAGS)
 +BOOT_LDFLAGS += $(NIX_EXTRA_LDFLAGS)
 +

pkgs/stdenv/generic/default.nix

@@ -1,4 +1,5 @@
 { system, name, preHook ? null, postHook ? null, initialPath, gcc, shell
+, cross ? null
 , param1 ? "", param2 ? "", param3 ? "", param4 ? "", param5 ? ""
 , extraAttrs ? {}
 
@@ -17,7 +18,7 @@ let
     result =
 
       derivation {
-        inherit system name;
+        inherit system cross name;
 
         builder = shell;
 
@@ -52,6 +53,7 @@ let
                 ["-e" (if attrs ? builder then attrs.builder else ./default-builder.sh)];
               stdenv = result;
               system = result.system;
+              cross = result.cross;
             })
           )
           # The meta attribute is passed in the resulting attribute set,

pkgs/stdenv/linux/default.nix

@@ -219,6 +219,13 @@ rec {
         [ (stdenvLinuxBoot3Pkgs.binutilsCross cross)
            (stdenvLinuxBoot3Pkgs.gccCrossStageFinal cross) ];
 
+    postHook = if (cross != null) then
+        (builtins.toFile "cross-posthook.sh" ''
+            configureFlags="$configureFlags --build=${system} --host=${cross}"
+            dontStrip=1
+        '')
+        else null;
+
     gcc = wrapGCC rec {
       inherit (stdenvLinuxBoot2Pkgs) binutils;
       inherit (stdenvLinuxBoot3Pkgs) coreutils;

pkgs/top-level/all-packages.nix

@@ -1895,7 +1895,7 @@ let
     #stdenv = overrideGCC stdenv (wrapGCCWith (import ../build-support/gcc-wrapper) glibc_multi gcc);
     inherit stdenv fetchurl texinfo gmp mpfr noSysDirs cross;
     binutilsCross = binutilsCross cross;
-    glibcHeadersCross = glibcCross cross;
+    glibcCross = glibcCross cross;
     profiledCompiler = false;
     enableMultilib = true;
     crossStageStatic = false;
@@ -1904,6 +1904,7 @@ let
   gccCrossStageStatic = cross: (gcc43_realCross cross).override {
     crossStageStatic = true;
     langCC = false;
+    glibcCross = null;
   };
 
   gccCrossStageFinal = cross: wrapGCCCross {