gcc: add langJit option for gcclangjit

This option can be used to set the “jit” language which enable the
libgccjit functionality. Also adds a “libgccjit” attr which is gcc
built with just jit enabled.

pkgs/development/compilers/gcc/4.8/default.nix

@@ -5,6 +5,7 @@
 , langJava ? false
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -212,6 +213,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   };
 

pkgs/development/compilers/gcc/4.9/default.nix

@@ -5,6 +5,7 @@
 , langJava ? false
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -224,6 +225,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   };
 

pkgs/development/compilers/gcc/6/default.nix

@@ -6,6 +6,7 @@
 , langJava ? false
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -126,7 +127,7 @@ stdenv.mkDerivation ({
 
   inherit patches;
 
-  outputs = if langJava || langGo then ["out" "man" "info"]
+  outputs = if langJava || langGo || langJit then ["out" "man" "info"]
     else [ "out" "lib" "man" "info" ];
   setOutputFlags = false;
   NIX_NO_SELF_RPATH = true;
@@ -136,13 +137,9 @@ stdenv.mkDerivation ({
   hardeningDisable = [ "format" "pie" ];
 
   prePatch =
-    (stdenv.lib.optionalString (langJava || langGo) ''
-      export lib=$out
-    '')
-
     # This should kill all the stdinc frameworks that gcc and friends like to
     # insert into default search paths.
-    + stdenv.lib.optionalString hostPlatform.isDarwin ''
+    stdenv.lib.optionalString hostPlatform.isDarwin ''
       substituteInPlace gcc/config/darwin-c.c \
         --replace 'if (stdinc)' 'if (0)'
 
@@ -244,6 +241,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   };
 

pkgs/development/compilers/gcc/7/default.nix

@@ -4,6 +4,7 @@
 , langObjCpp ? stdenv.targetPlatform.isDarwin
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -90,7 +91,7 @@ stdenv.mkDerivation ({
 
   inherit patches;
 
-  outputs = [ "out" "lib" "man" "info" ];
+  outputs = [ "out" "man" "info" ] ++ stdenv.lib.optional (!langJit) "lib";
   setOutputFlags = false;
   NIX_NO_SELF_RPATH = true;
 
@@ -206,6 +207,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   } ++ optional (targetPlatform.isAarch64) "--enable-fix-cortex-a53-843419"
     ++ optional targetPlatform.isNetBSD "--disable-libcilkrts"

pkgs/development/compilers/gcc/8/default.nix

@@ -4,6 +4,7 @@
 , langObjCpp ? stdenv.targetPlatform.isDarwin
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -82,7 +83,7 @@ stdenv.mkDerivation ({
 
   inherit patches;
 
-  outputs = [ "out" "lib" "man" "info" ];
+  outputs = [ "out" "man" "info" ] ++ stdenv.lib.optional (!langJit) "lib";
   setOutputFlags = false;
   NIX_NO_SELF_RPATH = true;
 
@@ -197,6 +198,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   };
 

pkgs/development/compilers/gcc/9/default.nix

@@ -5,6 +5,7 @@
 , langObjCpp ? stdenv.targetPlatform.isDarwin
 , langGo ? false
 , profiledCompiler ? false
+, langJit ? false
 , staticCompiler ? false
 , enableShared ? true
 , enableLTO ? true
@@ -85,7 +86,7 @@ stdenv.mkDerivation ({
 
   inherit patches;
 
-  outputs = [ "out" "man" "info" ] ++ lib.optional langJit "lib";
+  outputs = [ "out" "man" "info" ] ++ stdenv.lib.optional (!langJit) "lib";
   setOutputFlags = false;
   NIX_NO_SELF_RPATH = true;
 
@@ -202,6 +203,7 @@ stdenv.mkDerivation ({
       langGo
       langObjC
       langObjCpp
+      langJit
       ;
   };
 

pkgs/development/compilers/gcc/common/configure-flags.nix

@@ -20,6 +20,7 @@
 , langGo
 , langObjC
 , langObjCpp
+, langJit
 }:
 
 assert cloog != null -> stdenv.lib.versionOlder version "5";
@@ -121,6 +122,7 @@ let
           ++ lib.optional langObjC     "objc"
           ++ lib.optional langObjCpp   "obj-c++"
           ++ lib.optionals crossDarwin [ "objc" "obj-c++" ]
+          ++ lib.optional langJit      "jit"
           )
         )
       }"
@@ -173,7 +175,7 @@ let
       "--disable-symvers"
       "libat_cv_have_ifunc=no"
       "--disable-gnu-indirect-function"
-    ]
+    ] ++ lib.optional langJit "--enable-host-shared"
   ;
 
 in configureFlags

pkgs/top-level/all-packages.nix

@@ -8390,6 +8390,16 @@ in
     profiledCompiler = false;
   });
 
+  libgccjit = gcc9.cc.override {
+    name = "libgccjit";
+    langFortran = false;
+    langCC = false;
+    langC = false;
+    profiledCompiler = false;
+    langJit = true;
+    enableLTO = false;
+  };
+
   gcj = gcj6;
   gcj6 = wrapCC (gcc6.cc.override {
     name = "gcj";