NixOS · Nov 9, 2019 · Nov 9, 2019 · Nov 11, 2019 · Nov 11, 2019 · Nov 11, 2019
diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
@@ -207,15 +207,15 @@ rec {
 
   # 32 bit mingw-w64
   mingw32 = {
-    config = "i686-pc-mingw32";
+    config = "i686-w64-mingw32";
     libc = "msvcrt"; # This distinguishes the mingw (non posix) toolchain
     platform = {};
   };
 
   # 64 bit mingw-w64
   mingwW64 = {
     # That's the triplet they use in the mingw-w64 docs.
-    config = "x86_64-pc-mingw32";
+    config = "x86_64-w64-mingw32";
     libc = "msvcrt"; # This distinguishes the mingw (non posix) toolchain
     platform = {};
   };

diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
@@ -208,6 +208,9 @@ rec {
   vendors = setTypes types.openVendor {
     apple = {};
     pc = {};
+    # Actually matters, unlocking some MinGW-w64-specific options in GCC. See
+    # bottom of https://sourceforge.net/p/mingw-w64/wiki2/Unicode%20apps/
+    w64 = {};
 
     none = {};
     unknown = {};

diff --git a/pkgs/build-support/fetchurl/default.nix b/pkgs/build-support/fetchurl/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenvNoCC, curl }: # Note that `curl' may be `null', in case of the native stdenvNoCC.
+{ lib, buildPackages ? { inherit stdenvNoCC; }, stdenvNoCC, curl }: # Note that `curl' may be `null', in case of the native stdenvNoCC.
 
 let
 
@@ -10,7 +10,7 @@ let
   # resulting store derivations (.drv files) much smaller, which in
   # turn makes nix-env/nix-instantiate faster.
   mirrorsFile =
-    stdenvNoCC.mkDerivation ({
+    buildPackages.stdenvNoCC.mkDerivation ({
       name = "mirrors-list";
       builder = ./write-mirror-list.sh;
       preferLocalBuild = true;

diff --git a/pkgs/development/compilers/gcc/4.8/default.nix b/pkgs/development/compilers/gcc/4.8/default.nix
@@ -23,6 +23,7 @@
 , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
 , name ? "gcc"
 , libcCross ? null
+, threadsCross ? null # for MinGW
 , crossStageStatic ? false
 , # Strip kills static libs of other archs (hence no cross)
   stripped ? stdenv.hostPlatform == stdenv.buildPlatform
@@ -47,10 +48,14 @@ assert stdenv.hostPlatform.isDarwin -> gnused != null;
 # The go frontend is written in c++
 assert langGo -> langCC;
 
+# threadsCross is just for MinGW
+assert threadsCross != null -> stdenv.targetPlatform.isWindows;
+
 with stdenv.lib;
 with builtins;
 
-let version = "4.8.5";
+let majorVersion = "4";
+    version = "${majorVersion}.8.5";
 
     inherit (stdenv) buildPlatform hostPlatform targetPlatform;
 
@@ -171,6 +176,8 @@ stdenv.mkDerivation ({
     ++ (optional hostPlatform.isDarwin gnused)
     ;
 
+  depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
+
   preConfigure = import ../common/pre-configure.nix {
     inherit (stdenv) lib;
     inherit version hostPlatform langJava langGo;
@@ -251,24 +258,13 @@ stdenv.mkDerivation ({
     ++ optionals javaAwtGtk [ gmp mpfr ]
   ));
 
-  EXTRA_TARGET_FLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-idirafter ${getDev libcCross}${libcCross.incdir or "/include"}"
-    ] ++ optionals (! crossStageStatic) [
-      "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]);
-
-  EXTRA_TARGET_LDFLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-Wl,-L${libcCross.out}${libcCross.libdir or "/lib"}"
-    ] ++ (if crossStageStatic then [
-        "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-      ] else [
-        "-Wl,-rpath,${libcCross.out}${libcCross.libdir or "/lib"}"
-        "-Wl,-rpath-link,${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]));
+  inherit
+    (import ../common/extra-target-flags.nix {
+      inherit stdenv crossStageStatic libcCross threadsCross;
+    })
+    EXTRA_TARGET_FLAGS
+    EXTRA_TARGET_LDFLAGS
+    ;
 
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;

diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -23,6 +23,7 @@
 , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
 , name ? "gcc"
 , libcCross ? null
+, threadsCross ? null # for MinGW
 , crossStageStatic ? false
 , # Strip kills static libs of other archs (hence no cross)
   stripped ? stdenv.hostPlatform == stdenv.buildPlatform
@@ -47,10 +48,14 @@ assert stdenv.hostPlatform.isDarwin -> gnused != null;
 # The go frontend is written in c++
 assert langGo -> langCC;
 
+# threadsCross is just for MinGW
+assert threadsCross != null -> stdenv.targetPlatform.isWindows;
+
 with stdenv.lib;
 with builtins;
 
-let version = "4.9.4";
+let majorVersion = "4";
+    version = "${majorVersion}.9.4";
 
     inherit (stdenv) buildPlatform hostPlatform targetPlatform;
 
@@ -177,6 +182,8 @@ stdenv.mkDerivation ({
     ++ (optional hostPlatform.isDarwin gnused)
     ;
 
+  depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
+
   preConfigure = import ../common/pre-configure.nix {
     inherit (stdenv) lib;
     inherit version hostPlatform langJava langGo;
@@ -257,24 +264,13 @@ stdenv.mkDerivation ({
     ++ optionals javaAwtGtk [ gmp mpfr ]
   ));
 
-  EXTRA_TARGET_FLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-idirafter ${getDev libcCross}${libcCross.incdir or "/include"}"
-    ] ++ optionals (! crossStageStatic) [
-      "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]);
-
-  EXTRA_TARGET_LDFLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-Wl,-L${libcCross.out}${libcCross.libdir or "/lib"}"
-    ] ++ (if crossStageStatic then [
-        "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-      ] else [
-        "-Wl,-rpath,${libcCross.out}${libcCross.libdir or "/lib"}"
-        "-Wl,-rpath-link,${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]));
+  inherit
+    (import ../common/extra-target-flags.nix {
+      inherit stdenv crossStageStatic libcCross threadsCross;
+    })
+    EXTRA_TARGET_FLAGS
+    EXTRA_TARGET_LDFLAGS
+    ;
 
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;

diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
@@ -23,6 +23,7 @@
 , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
 , name ? "gcc"
 , libcCross ? null
+, threadsCross ? null # for MinGW
 , crossStageStatic ? false
 , # Strip kills static libs of other archs (hence no cross)
   stripped ? stdenv.hostPlatform == stdenv.buildPlatform
@@ -45,10 +46,14 @@ assert stdenv.hostPlatform.isDarwin -> gnused != null;
 # The go frontend is written in c++
 assert langGo -> langCC;
 
+# threadsCross is just for MinGW
+assert threadsCross != null -> stdenv.targetPlatform.isWindows;
+
 with stdenv.lib;
 with builtins;
 
-let version = "5.5.0";
+let majorVersion = "5";
+    version = "${majorVersion}.5.0";
 
     inherit (stdenv) buildPlatform hostPlatform targetPlatform;
 
@@ -61,6 +66,10 @@ let version = "5.5.0";
       ++ optional stdenv.hostPlatform.isMusl (fetchpatch {
         url = https://raw.githubusercontent.com/richfelker/musl-cross-make/e84b1bd1fc12a3def33111ca6df522cd6e5ec361/patches/gcc-5.3.0/0001-musl.diff;
         sha256 = "0pppbf8myi2kjhm3z3479ihn1cm60kycfv60gj8yy1bs0pl1qcfm";
+      })
+      ++ optional (!crossStageStatic && targetPlatform.isMinGW) (fetchpatch {
+        url = "https://raw.githubusercontent.com/lhmouse/MINGW-packages/${import ../common/mfcgthreads-patches-repo.nix}/mingw-w64-gcc-git/9000-gcc-${majorVersion}-branch-Added-mcf-thread-model-support-from-mcfgthread.patch";
+        sha256 = "074bl5n27d1ksa31pvzj4vd8xd46r118k0w94gdv3s1vydg7mah0";
       });
 
     javaEcj = fetchurl {
@@ -183,6 +192,8 @@ stdenv.mkDerivation ({
     ++ (optional hostPlatform.isDarwin gnused)
     ;
 
+  depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
+
   NIX_LDFLAGS = stdenv.lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
 
   preConfigure = import ../common/pre-configure.nix {
@@ -264,24 +275,13 @@ stdenv.mkDerivation ({
     ++ optionals javaAwtGtk [ gmp mpfr ]
   ));
 
-  EXTRA_TARGET_FLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-idirafter ${getDev libcCross}${libcCross.incdir or "/include"}"
-    ] ++ optionals (! crossStageStatic) [
-      "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]);
-
-  EXTRA_TARGET_LDFLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-Wl,-L${libcCross.out}${libcCross.libdir or "/lib"}"
-    ] ++ (if crossStageStatic then [
-        "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-      ] else [
-        "-Wl,-rpath,${libcCross.out}${libcCross.libdir or "/lib"}"
-        "-Wl,-rpath-link,${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]));
+  inherit
+    (import ../common/extra-target-flags.nix {
+      inherit stdenv crossStageStatic libcCross threadsCross;
+    })
+    EXTRA_TARGET_FLAGS
+    EXTRA_TARGET_LDFLAGS
+    ;
 
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;

diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, targetPackages, fetchurl, noSysDirs
+{ stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs
 , langC ? true, langCC ? true, langFortran ? false
 , langObjC ? stdenv.targetPlatform.isDarwin
 , langObjCpp ? stdenv.targetPlatform.isDarwin
@@ -23,6 +23,7 @@
 , enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
 , name ? "gcc"
 , libcCross ? null
+, threadsCross ? null # for MinGW
 , crossStageStatic ? false
 , # Strip kills static libs of other archs (hence no cross)
   stripped ? stdenv.hostPlatform == stdenv.buildPlatform
@@ -45,10 +46,14 @@ assert stdenv.hostPlatform.isDarwin -> gnused != null;
 # The go frontend is written in c++
 assert langGo -> langCC;
 
+# threadsCross is just for MinGW
+assert threadsCross != null -> stdenv.targetPlatform.isWindows;
+
 with stdenv.lib;
 with builtins;
 
-let version = "6.5.0";
+let majorVersion = "6";
+    version = "${majorVersion}.5.0";
 
     inherit (stdenv) buildPlatform hostPlatform targetPlatform;
 
@@ -58,7 +63,10 @@ let version = "6.5.0";
       ++ optional noSysDirs ../no-sys-dirs.patch
       ++ optional langFortran ../gfortran-driving.patch
       ++ optional (targetPlatform.libc == "musl") ../libgomp-dont-force-initial-exec.patch
-      ;
+      ++ optional (!crossStageStatic && targetPlatform.isMinGW) (fetchpatch {
+        url = "https://raw.githubusercontent.com/lhmouse/MINGW-packages/${import ../common/mfcgthreads-patches-repo.nix}/mingw-w64-gcc-git/9000-gcc-${majorVersion}-branch-Added-mcf-thread-model-support-from-mcfgthread.patch";
+        sha256 = "1c449jgm1vx9g4kv82bxmvlgrwb8f6kwkl0gqmjlmhf7f4hjy2nr";
+      });
 
     javaEcj = fetchurl {
       # The `$(top_srcdir)/ecj.jar' file is automatically picked up at
@@ -185,6 +193,8 @@ stdenv.mkDerivation ({
     ++ (optional hostPlatform.isDarwin gnused)
     ;
 
+  depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
+
   NIX_LDFLAGS = stdenv.lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
 
   preConfigure = import ../common/pre-configure.nix {
@@ -266,24 +276,13 @@ stdenv.mkDerivation ({
     ++ optionals javaAwtGtk [ gmp mpfr ]
   ));
 
-  EXTRA_TARGET_FLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-idirafter ${getDev libcCross}${libcCross.incdir or "/include"}"
-    ] ++ optionals (! crossStageStatic) [
-      "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]);
-
-  EXTRA_TARGET_LDFLAGS = optionals
-    (targetPlatform != hostPlatform && libcCross != null)
-    ([
-      "-Wl,-L${libcCross.out}${libcCross.libdir or "/lib"}"
-    ] ++ (if crossStageStatic then [
-        "-B${libcCross.out}${libcCross.libdir or "/lib"}"
-      ] else [
-        "-Wl,-rpath,${libcCross.out}${libcCross.libdir or "/lib"}"
-        "-Wl,-rpath-link,${libcCross.out}${libcCross.libdir or "/lib"}"
-    ]));
+  inherit
+    (import ../common/extra-target-flags.nix {
+      inherit stdenv crossStageStatic libcCross threadsCross;
+    })
+    EXTRA_TARGET_FLAGS
+    EXTRA_TARGET_LDFLAGS
+    ;
 
   passthru = {
     inherit langC langCC langObjC langObjCpp langFortran langGo version;