gcc: set GFORTRAN_FOR_TARGET on cross-built native compilers
For a cross-built native compiler, i.e. build!=(host==target), the bundled libgfortran needs a gfortran which can run on the buildPlatform and emit code for the targetPlatform. The compiler which is built alongside gfortran in this configuration doesn't meet that need: it runs on the hostPlatform. This commit passes the necessary compiler via `GFORTRAN_FOR_TARGET`, using `pkgsBuildTarget.gfortran`.
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parent
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@ -3,12 +3,14 @@
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, version, buildPlatform, hostPlatform, targetPlatform
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, gnat-bootstrap ? null
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, langAda ? false
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, langFortran
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, langJava ? false
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, langJit ? false
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, langGo
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, withoutTargetLibc
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, enableShared
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, enableMultilib
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, pkgsBuildTarget
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}:
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assert langJava -> lib.versionOlder version "7";
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@ -27,6 +29,15 @@ in lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
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export PATH=${gnat-bootstrap}/bin:$PATH
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''
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# For a cross-built native compiler, i.e. build!=(host==target), the
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# bundled libgfortran needs a gfortran which can run on the
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# buildPlatform and emit code for the targetPlatform. The compiler
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# which is built alongside gfortran in this configuration doesn't
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# meet that need: it runs on the hostPlatform.
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+ lib.optionalString (langFortran && (with stdenv; buildPlatform != hostPlatform && hostPlatform == targetPlatform)) ''
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export GFORTRAN_FOR_TARGET=${pkgsBuildTarget.gfortran}/bin/${stdenv.targetPlatform.config}-gfortran
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''
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# On x86_64-darwin, the gnat-bootstrap bootstrap compiler that we need to build a
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# native GCC with Ada support emits assembly that is accepted by the Clang
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# integrated assembler, but not by the GNU assembler in cctools-port that Nix
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@ -27,6 +27,7 @@
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, gnused ? null
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, cloog # unused; just for compat with gcc4, as we override the parameter on some places
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, buildPackages
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, pkgsBuildTarget
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, libxcrypt
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, disableGdbPlugin ? !enablePlugin
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, nukeReferences
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@ -176,6 +177,7 @@ let inherit version;
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nukeReferences
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patchelf
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perl
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pkgsBuildTarget
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profiledCompiler
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reproducibleBuild
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staticCompiler
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