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-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/10/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/10/libunwind/default.nix3
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/11/clang/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/11/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix3
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/12/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/13/default.nix74
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/14/default.nix72
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/14/llvm/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/15/compiler-rt/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/15/default.nix51
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/15/llvm/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/16/clang/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/16/compiler-rt/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/16/default.nix51
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/16/libclc/default.nix2
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/16/llvm/default.nix3
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/6/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/7/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/8/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/9/default.nix19
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/9/libunwind/default.nix3
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/common/common-let.nix60
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/git/default.nix49
-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/git/llvm/default.nix2
25 files changed, 183 insertions, 335 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/10/default.nix b/nixpkgs/pkgs/development/compilers/llvm/10/default.nix
index 37c32e425c63..bc72be0ce7a1 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/10/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/10/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -20,7 +20,6 @@
 let
   release_version = "10.0.1";
   version = release_version; # differentiating these (variables) is important for RCs
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
@@ -29,21 +28,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "06n1yp638rh24xdxv9v2df0qajxbjz4w59b7dd4ky36drwmpi4yh";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/10/libunwind/default.nix b/nixpkgs/pkgs/development/compilers/llvm/10/libunwind/default.nix
index 8124cf0821e0..2941dca35bf6 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/10/libunwind/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/10/libunwind/default.nix
@@ -1,5 +1,4 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, fetchpatch
-, enableShared ? !stdenv.hostPlatform.isStatic
+{ lib, stdenv, llvm_meta, version, fetch, cmake, enableShared ? !stdenv.hostPlatform.isStatic
 }:
 
 stdenv.mkDerivation rec {
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/clang/default.nix b/nixpkgs/pkgs/development/compilers/llvm/11/clang/default.nix
index f0d41a3ab734..a4fe7199e080 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/11/clang/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/11/clang/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, llvm_meta, fetch, fetchpatch, substituteAll, cmake, libxml2, libllvm, version, clang-tools-extra_src, python3
+{ lib, stdenv, llvm_meta, fetch, substituteAll, cmake, libxml2, libllvm, version, clang-tools-extra_src, python3
 , buildLlvmTools
 , fixDarwinDylibNames
 , enableManpages ? false
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/default.nix b/nixpkgs/pkgs/development/compilers/llvm/11/default.nix
index 6ce7d86c835e..2d9790fe61ac 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/11/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/11/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -22,7 +22,6 @@ let
   candidate = ""; # empty or "rcN"
   dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
   version = "${release_version}${dash-candidate}"; # differentiating these (variables) is important for RCs
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/${name}-${release_version}${candidate}.src.tar.xz";
@@ -31,21 +30,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "18n1w1hkv931xzq02b34wglbv6zd6sd0r5kb8piwvag7klj7qw3n";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix b/nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix
index 462d63283baf..4cd39e379601 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix
@@ -1,5 +1,4 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, fetchpatch
-, enableShared ? !stdenv.hostPlatform.isStatic
+{ lib, stdenv, llvm_meta, version, fetch, cmake, enableShared ? !stdenv.hostPlatform.isStatic
 }:
 
 stdenv.mkDerivation rec {
diff --git a/nixpkgs/pkgs/development/compilers/llvm/12/default.nix b/nixpkgs/pkgs/development/compilers/llvm/12/default.nix
index b976dd2ee67a..4de048827071 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/12/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/12/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -23,7 +23,6 @@ let
   candidate = ""; # empty or "rcN"
   dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
   version = "${release_version}${dash-candidate}"; # differentiating these (variables) is important for RCs
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/${name}-${release_version}${candidate}.src.tar.xz";
@@ -32,21 +31,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "1r9a4fdz9ci58b5z2inwvm4z4cdp6scrivnaw05dggkxz7yrwrb5";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/13/default.nix b/nixpkgs/pkgs/development/compilers/llvm/13/default.nix
index 3cf7cd711ebe..c46ebee1d0db 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/13/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/13/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchFromGitHub, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -16,39 +16,51 @@
     then null
     else pkgs.bintools
 , darwin
+# LLVM release information; specify one of these but not both:
+, gitRelease ? null
+  # i.e.:
+  # {
+  #   version = /* i.e. "15.0.0" */;
+  #   rev = /* commit SHA */;
+  #   rev-version = /* human readable version; i.e. "unstable-2022-26-07" */;
+  #   sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
+  # }
+, officialRelease ? { version = "13.0.1"; sha256 = "06dv6h5dmvzdxbif2s8njki6h32796v368dyb5945x8gjj72xh7k"; }
+  # i.e.:
+  # {
+  #   version = /* i.e. "15.0.0" */;
+  #   candidate = /* optional; if specified, should be: "rcN" */
+  #   sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
+  # }
+# By default, we'll try to fetch a release from `github:llvm/llvm-project`
+# corresponding to the `gitRelease` or `officialRelease` specified.
+#
+# You can provide your own LLVM source by specifying this arg but then it's up
+# to you to make sure that the LLVM repo given matches the release configuration
+# specified.
+, monorepoSrc ? null
+
 }:
 
+assert let
+  int = a: if a then 1 else 0;
+  xor = a: b: ((builtins.bitXor (int a) (int b)) == 1);
+in
+  lib.assertMsg
+    (xor
+      (gitRelease != null)
+      (officialRelease != null))
+    ("must specify `gitRelease` or `officialRelease`" +
+      (lib.optionalString (gitRelease != null) " — not both"));
 let
-  release_version = "13.0.1";
-  candidate = ""; # empty or "rcN"
-  dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
-  rev = ""; # When using a Git commit
-  rev-version = ""; # When using a Git commit
-  version = if rev != "" then rev-version else "${release_version}${dash-candidate}";
-  targetConfig = stdenv.targetPlatform.config;
-
-  src = fetchFromGitHub {
-    owner = "llvm";
-    repo = "llvm-project";
-    rev = if rev != "" then rev else "llvmorg-${version}";
-    sha256 = "06dv6h5dmvzdxbif2s8njki6h32796v368dyb5945x8gjj72xh7k";
-  };
-
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  monorepoSrc' = monorepoSrc;
+in let
+  # Import releaseInfo separately to avoid infinite recursion
+  inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
+  inherit (releaseInfo) release_version version;
+  inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
+
+  src = monorepoSrc;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version src buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/14/default.nix b/nixpkgs/pkgs/development/compilers/llvm/14/default.nix
index b9a74e0f070a..d6d3c2d088b0 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/14/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/14/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, fetchFromGitHub, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -16,40 +16,48 @@
     then null
     else pkgs.bintools
 , darwin
+# LLVM release information; specify one of these but not both:
+, gitRelease ? null
+  # i.e.:
+  # {
+  #   version = /* i.e. "15.0.0" */;
+  #   rev = /* commit SHA */;
+  #   rev-version = /* human readable version; i.e. "unstable-2022-26-07" */;
+  #   sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
+  # }
+, officialRelease ? { version = "14.0.6"; sha256 = "sha256-vffu4HilvYwtzwgq+NlS26m65DGbp6OSSne2aje1yJE="; }
+  # i.e.:
+  # {
+  #   version = /* i.e. "15.0.0" */;
+  #   candidate = /* optional; if specified, should be: "rcN" */
+  #   sha256 = /* checksum for this release, can omit if specifying your own `monorepoSrc` */;
+  # }
+# By default, we'll try to fetch a release from `github:llvm/llvm-project`
+# corresponding to the `gitRelease` or `officialRelease` specified.
+#
+# You can provide your own LLVM source by specifying this arg but then it's up
+# to you to make sure that the LLVM repo given matches the release configuration
+# specified.
+, monorepoSrc ? null
 }:
 
+assert let
+  int = a: if a then 1 else 0;
+  xor = a: b: ((builtins.bitXor (int a) (int b)) == 1);
+in
+  lib.assertMsg
+    (xor
+      (gitRelease != null)
+      (officialRelease != null))
+    ("must specify `gitRelease` or `officialRelease`" +
+      (lib.optionalString (gitRelease != null) " — not both"));
 let
-  release_version = "14.0.6";
-  candidate = ""; # empty or "rcN"
-  dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
-  rev = ""; # When using a Git commit
-  rev-version = ""; # When using a Git commit
-  version = if rev != "" then rev-version else "${release_version}${dash-candidate}";
-  targetConfig = stdenv.targetPlatform.config;
-
-  monorepoSrc = fetchFromGitHub {
-    owner = "llvm";
-    repo = "llvm-project";
-    rev = if rev != "" then rev else "llvmorg-${version}";
-    sha256 = "sha256-vffu4HilvYwtzwgq+NlS26m65DGbp6OSSne2aje1yJE=";
-  };
-
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.m68k ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  monorepoSrc' = monorepoSrc;
+in let
+  # Import releaseInfo separately to avoid infinite recursion
+  inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
+  inherit (releaseInfo) release_version version;
+  inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 release_version version monorepoSrc buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/14/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/14/llvm/default.nix
index 081c84c04e06..6eec4c563f9c 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/14/llvm/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/14/llvm/default.nix
@@ -25,7 +25,7 @@
 # broken for the armv7l builder
 , enablePFM ? stdenv.isLinux && !stdenv.hostPlatform.isAarch
 , enablePolly ? true
-} @args:
+}:
 
 let
   inherit (lib) optional optionals optionalString;
diff --git a/nixpkgs/pkgs/development/compilers/llvm/15/compiler-rt/default.nix b/nixpkgs/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
index 4ac51c1dd31e..bfdeeff6db5b 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/15/compiler-rt/default.nix
@@ -9,7 +9,7 @@ let
   useLLVM = stdenv.hostPlatform.useLLVM or false;
   bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none";
   haveLibc = stdenv.cc.libc != null;
-  inherit (stdenv.hostPlatform) isMusl isGnu;
+  inherit (stdenv.hostPlatform) isMusl;
 
   baseName = "compiler-rt";
 
diff --git a/nixpkgs/pkgs/development/compilers/llvm/15/default.nix b/nixpkgs/pkgs/development/compilers/llvm/15/default.nix
index 6a3b8cbabab7..095da445a990 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/15/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/15/default.nix
@@ -1,5 +1,5 @@
-{ lowPrio, newScope, pkgs, lib, stdenv, stdenvNoCC, cmake, ninja
-, gccForLibs, preLibcCrossHeaders
+{ lowPrio, newScope, pkgs, lib, stdenv, cmake, ninja
+, preLibcCrossHeaders
 , libxml2, python3, fetchFromGitHub, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -54,51 +54,10 @@ in
 let
   monorepoSrc' = monorepoSrc;
 in let
-  releaseInfo = if gitRelease != null then rec {
-    original = gitRelease;
-    release_version = original.version;
-    version = gitRelease.rev-version;
-  } else rec {
-    original = officialRelease;
-    release_version = original.version;
-    version = if original ? candidate then
-      "${release_version}-${original.candidate}"
-    else
-      release_version;
-  };
-
-  monorepoSrc = if monorepoSrc' != null then
-    monorepoSrc'
-  else let
-    sha256 = releaseInfo.original.sha256;
-    rev = if gitRelease != null then
-      gitRelease.rev
-    else
-      "llvmorg-${releaseInfo.version}";
-  in fetchFromGitHub {
-    owner = "llvm";
-    repo = "llvm-project";
-    inherit rev sha256;
-  };
-
+  # Import releaseInfo separately to avoid infinite recursion
+  inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
   inherit (releaseInfo) release_version version;
-
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.m68k ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake ninja libxml2 python3 release_version version monorepoSrc buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/15/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/15/llvm/default.nix
index 8a1c0547890b..0b9e83259b2c 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/15/llvm/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/15/llvm/default.nix
@@ -30,7 +30,7 @@
   # broken for the armv7l builder
   && !stdenv.hostPlatform.isAarch
 , enablePolly ? true
-} @args:
+}:
 
 let
   inherit (lib) optional optionals optionalString;
diff --git a/nixpkgs/pkgs/development/compilers/llvm/16/clang/default.nix b/nixpkgs/pkgs/development/compilers/llvm/16/clang/default.nix
index 2a2656df5fe1..b801bdda5292 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/16/clang/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/16/clang/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, llvm_meta
 , monorepoSrc, runCommand
-, substituteAll, cmake, ninja, libxml2, libllvm, version, python3
+, cmake, ninja, libxml2, libllvm, version, python3
 , buildLlvmTools
 , fixDarwinDylibNames
 , enableManpages ? false
diff --git a/nixpkgs/pkgs/development/compilers/llvm/16/compiler-rt/default.nix b/nixpkgs/pkgs/development/compilers/llvm/16/compiler-rt/default.nix
index 9b6ab0a77c2a..7add8fab0f91 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/16/compiler-rt/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/16/compiler-rt/default.nix
@@ -10,7 +10,7 @@ let
   bareMetal = stdenv.hostPlatform.parsed.kernel.name == "none";
   haveLibc = stdenv.cc.libc != null;
   isDarwinStatic = stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isStatic;
-  inherit (stdenv.hostPlatform) isMusl isGnu;
+  inherit (stdenv.hostPlatform) isMusl;
 
   baseName = "compiler-rt";
 
diff --git a/nixpkgs/pkgs/development/compilers/llvm/16/default.nix b/nixpkgs/pkgs/development/compilers/llvm/16/default.nix
index 541db8c400de..5ecb89a3a264 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/16/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/16/default.nix
@@ -1,5 +1,5 @@
-{ lowPrio, newScope, pkgs, lib, stdenv, stdenvNoCC, cmake, ninja
-, gccForLibs, preLibcCrossHeaders
+{ lowPrio, newScope, pkgs, lib, stdenv, cmake, ninja
+, preLibcCrossHeaders
 , libxml2, python3, fetchFromGitHub, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -54,51 +54,10 @@ in
 let
   monorepoSrc' = monorepoSrc;
 in let
-  releaseInfo = if gitRelease != null then rec {
-    original = gitRelease;
-    release_version = original.version;
-    version = gitRelease.rev-version;
-  } else rec {
-    original = officialRelease;
-    release_version = original.version;
-    version = if original ? candidate then
-      "${release_version}-${original.candidate}"
-    else
-      release_version;
-  };
-
-  monorepoSrc = if monorepoSrc' != null then
-    monorepoSrc'
-  else let
-    sha256 = releaseInfo.original.sha256;
-    rev = if gitRelease != null then
-      gitRelease.rev
-    else
-      "llvmorg-${releaseInfo.version}";
-  in fetchFromGitHub {
-    owner = "llvm";
-    repo = "llvm-project";
-    inherit rev sha256;
-  };
-
+  # Import releaseInfo separately to avoid infinite recursion
+  inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
   inherit (releaseInfo) release_version version;
-
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.m68k ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake ninja libxml2 python3 release_version version monorepoSrc buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/16/libclc/default.nix b/nixpkgs/pkgs/development/compilers/llvm/16/libclc/default.nix
index 6fa0751f906b..2ceca9aaf7fd 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/16/libclc/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/16/libclc/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
                 'find_program( LLVM_SPIRV llvm-spirv PATHS "${buildPackages.spirv-llvm-translator}/bin" NO_DEFAULT_PATH )'
   '' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
     substituteInPlace CMakeLists.txt \
-      --replace 'COMMAND prepare_builtins' 'COMMAND ${buildPackages.libclc.dev}/bin/prepare_builtins'
+      --replace 'COMMAND prepare_builtins' 'COMMAND ${buildLlvmTools.libclc.dev}/bin/prepare_builtins'
   '';
 
   nativeBuildInputs = [ cmake ninja python3 ];
diff --git a/nixpkgs/pkgs/development/compilers/llvm/16/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/16/llvm/default.nix
index 9475b5c99485..9994076bbdab 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/16/llvm/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/16/llvm/default.nix
@@ -2,7 +2,6 @@
 , pkgsBuildBuild
 , monorepoSrc
 , runCommand
-, fetchpatch
 , cmake
 , darwin
 , ninja
@@ -31,7 +30,7 @@
   # broken for the armv7l builder
   && !stdenv.hostPlatform.isAarch
 , enablePolly ? true
-} @args:
+}:
 
 let
   inherit (lib) optional optionals optionalString;
diff --git a/nixpkgs/pkgs/development/compilers/llvm/6/default.nix b/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
index 3dcc75023f4f..3e78f5461e3f 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
@@ -1,5 +1,4 @@
-{ lowPrio, newScope, pkgs, lib, stdenv, cmake, gccForLibs
-, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith
+{ lowPrio, newScope, pkgs, lib, stdenv, cmake, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
 , targetLlvm
@@ -8,7 +7,6 @@
 let
   release_version = "6.0.1";
   version = release_version; # differentiating these is important for rc's
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://releases.llvm.org/${release_version}/${name}-${version}.src.tar.xz";
@@ -17,20 +15,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "1w8ml7fyn4vyxmy59n2qm4r1k1kgwgwkaldp6m45fdv4g0kkfbhd";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/7/default.nix b/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
index 0607b5ebf42c..972d52ac6e1a 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -20,7 +20,6 @@
 let
   release_version = "7.1.0";
   version = release_version; # differentiating these is important for rc's
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://releases.llvm.org/${release_version}/${name}-${version}.src.tar.xz";
@@ -29,21 +28,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "0lb4kdh7j2fhfz8kd6iv5df7m3pikiryk1vvwsf87spc90n09q0w";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/8/default.nix b/nixpkgs/pkgs/development/compilers/llvm/8/default.nix
index 5beb8afb2ee9..0483916a620b 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/8/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/8/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -20,7 +20,6 @@
 let
   release_version = "8.0.1";
   version = release_version; # differentiating these is important for rc's
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
@@ -29,21 +28,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "1qf3097bc5ia8p6cpmbx985rjr3yaah5s8fc0nv7pw742yv7jw8q";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/9/default.nix b/nixpkgs/pkgs/development/compilers/llvm/9/default.nix
index 9f79dc5cce7f..fbd2e57805be 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/9/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/9/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -20,7 +20,6 @@
 let
   release_version = "9.0.1";
   version = release_version; # differentiating these is important for rc's
-  targetConfig = stdenv.targetPlatform.config;
 
   fetch = name: sha256: fetchurl {
     url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-${release_version}/${name}-${version}.src.tar.xz";
@@ -29,21 +28,7 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "01vgzd4k1q93nfs8gyl83mjlc4x0qsgfqw32lacbjzdxg0mdfvxj";
 
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib release_version; }) llvm_meta;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake libxml2 python3 isl release_version version fetch buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/9/libunwind/default.nix b/nixpkgs/pkgs/development/compilers/llvm/9/libunwind/default.nix
index 65b89c6bb18f..9a78025d71d4 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/9/libunwind/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/9/libunwind/default.nix
@@ -1,5 +1,4 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, fetchpatch
-, enableShared ? !stdenv.hostPlatform.isStatic
+{ lib, stdenv, llvm_meta, version, fetch, cmake, enableShared ? !stdenv.hostPlatform.isStatic
 }:
 
 stdenv.mkDerivation rec {
diff --git a/nixpkgs/pkgs/development/compilers/llvm/common/common-let.nix b/nixpkgs/pkgs/development/compilers/llvm/common/common-let.nix
new file mode 100644
index 000000000000..31360f5b98b9
--- /dev/null
+++ b/nixpkgs/pkgs/development/compilers/llvm/common/common-let.nix
@@ -0,0 +1,60 @@
+{ lib
+, fetchFromGitHub ? null
+, release_version ? null
+, gitRelease ? null
+, officialRelease ? null
+, monorepoSrc' ? null
+}:
+
+rec {
+  llvm_meta = {
+    license = lib.licenses.ncsa;
+    maintainers = lib.teams.llvm.members;
+
+    # See llvm/cmake/config-ix.cmake.
+    platforms =
+      lib.platforms.aarch64 ++
+      lib.platforms.arm ++
+      lib.platforms.mips ++
+      lib.platforms.power ++
+      lib.platforms.s390x ++
+      lib.platforms.wasi ++
+      lib.platforms.x86 ++
+      lib.optionals (lib.versionAtLeast release_version "7") lib.platforms.riscv ++
+      lib.optionals (lib.versionAtLeast release_version "14") lib.platforms.m68k;
+  };
+
+  releaseInfo =
+    if gitRelease != null then rec {
+      original = gitRelease;
+      release_version = original.version;
+      version = gitRelease.rev-version;
+    } else rec {
+      original = officialRelease;
+      release_version = original.version;
+      version =
+        if original ? candidate then
+          "${release_version}-${original.candidate}"
+        else
+          release_version;
+    };
+
+  monorepoSrc =
+    if monorepoSrc' != null then
+      monorepoSrc'
+    else
+      let
+        sha256 = releaseInfo.original.sha256;
+        rev =
+          if gitRelease != null then
+            gitRelease.rev
+          else
+            "llvmorg-${releaseInfo.version}";
+      in
+      fetchFromGitHub {
+        owner = "llvm";
+        repo = "llvm-project";
+        inherit rev sha256;
+      };
+
+}
diff --git a/nixpkgs/pkgs/development/compilers/llvm/git/default.nix b/nixpkgs/pkgs/development/compilers/llvm/git/default.nix
index 930b716881e8..0748b97dd598 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/git/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/git/default.nix
@@ -1,5 +1,5 @@
 { lowPrio, newScope, pkgs, lib, stdenv, cmake, ninja
-, gccForLibs, preLibcCrossHeaders
+, preLibcCrossHeaders
 , libxml2, python3, fetchFromGitHub, overrideCC, wrapCCWith, wrapBintoolsWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
@@ -53,51 +53,10 @@ in
 let
   monorepoSrc' = monorepoSrc;
 in let
-  releaseInfo = if gitRelease != null then rec {
-    original = gitRelease;
-    release_version = original.version;
-    version = gitRelease.rev-version;
-  } else rec {
-    original = officialRelease;
-    release_version = original.version;
-    version = if original ? candidate then
-      "${release_version}-${original.candidate}"
-    else
-      release_version;
-  };
-
-  monorepoSrc = if monorepoSrc' != null then
-    monorepoSrc'
-  else let
-    sha256 = releaseInfo.original.sha256;
-    rev = if gitRelease != null then
-      gitRelease.rev
-    else
-      "llvmorg-${releaseInfo.version}";
-  in fetchFromGitHub {
-    owner = "llvm";
-    repo = "llvm-project";
-    inherit rev sha256;
-  };
-
+  # Import releaseInfo separately to avoid infinite recursion
+  inherit (import ../common/common-let.nix { inherit lib gitRelease officialRelease; }) releaseInfo;
   inherit (releaseInfo) release_version version;
-
-  llvm_meta = {
-    license     = lib.licenses.ncsa;
-    maintainers = lib.teams.llvm.members;
-
-    # See llvm/cmake/config-ix.cmake.
-    platforms   =
-      lib.platforms.aarch64 ++
-      lib.platforms.arm ++
-      lib.platforms.m68k ++
-      lib.platforms.mips ++
-      lib.platforms.power ++
-      lib.platforms.riscv ++
-      lib.platforms.s390x ++
-      lib.platforms.wasi ++
-      lib.platforms.x86;
-  };
+  inherit (import ../common/common-let.nix { inherit lib fetchFromGitHub release_version gitRelease officialRelease monorepoSrc'; }) llvm_meta monorepoSrc;
 
   tools = lib.makeExtensible (tools: let
     callPackage = newScope (tools // { inherit stdenv cmake ninja libxml2 python3 release_version version monorepoSrc buildLlvmTools; });
diff --git a/nixpkgs/pkgs/development/compilers/llvm/git/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/git/llvm/default.nix
index 66b0a7438cef..119b2272beda 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/git/llvm/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/git/llvm/default.nix
@@ -29,7 +29,7 @@
   # broken for the armv7l builder
   && !stdenv.hostPlatform.isAarch
 , enablePolly ? true
-} @args:
+}:
 
 let
   inherit (lib) optional optionals optionalString;