freebsd packages: Init at 13.1

Always set `SRCTOP`, set it with abs path llvmPackages: Bump minimum version for FreeBSD llvmPackages_*, libgcc, compiler_rt: Hack in enough libs that one can compiler C freebsd.compat: Rename some things to work around cc-wrapper change 0bea4a1 / #191724 in particular
NixOS · Nov 4, 2022 · 0afe9d1 · 0afe9d1
1 parent 66aa02f
commit 0afe9d1
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diff --git a/pkgs/development/compilers/llvm/10/compiler-rt/default.nix b/pkgs/development/compilers/llvm/10/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi, libxcrypt }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi, libxcrypt
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -99,6 +101,8 @@ stdenv.mkDerivation {
     for f in $out/lib/*/*builtins-i?86*; do
       ln -s "$f" $(echo "$f" | sed -e 's/builtins-i.86/builtins-i386/')
     done
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/10/default.nix b/pkgs/development/compilers/llvm/10/default.nix
@@ -156,7 +156,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/10/libcxxabi/default.nix b/pkgs/development/compilers/llvm/10/libcxxabi/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DLLVM_ENABLE_LIBCXX=ON"

diff --git a/pkgs/development/compilers/llvm/11/compiler-rt/default.nix b/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -108,6 +110,8 @@ stdenv.mkDerivation {
     for f in $out/lib/*/*builtins-i?86*; do
       ln -s "$f" $(echo "$f" | sed -e 's/builtins-i.86/builtins-i386/')
     done
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/11/default.nix b/pkgs/development/compilers/llvm/11/default.nix
@@ -172,7 +172,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/11/libcxxabi/default.nix b/pkgs/development/compilers/llvm/11/libcxxabi/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, llvm_meta, cmake, fetch, libcxx, libunwind, llvm, version
 , enableShared ? !stdenv.hostPlatform.isStatic
 , standalone ? stdenv.hostPlatform.useLLVM or false
-, withLibunwind ? !stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm
+, withLibunwind ? !stdenv.isDarwin && !stdenv.hostPlatform.isWasm
 }:
 
 stdenv.mkDerivation {

diff --git a/pkgs/development/compilers/llvm/12/compiler-rt/default.nix b/pkgs/development/compilers/llvm/12/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -94,6 +96,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/12/default.nix b/pkgs/development/compilers/llvm/12/default.nix
@@ -163,7 +163,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/12/libcxxabi/default.nix b/pkgs/development/compilers/llvm/12/libcxxabi/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, llvm_meta, cmake, python3, fetch, libcxx, libunwind, llvm, version
 , enableShared ? !stdenv.hostPlatform.isStatic
 , standalone ? stdenv.hostPlatform.useLLVM or false
-, withLibunwind ? !stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm
+, withLibunwind ? !stdenv.isDarwin && !stdenv.hostPlatform.isWasm
 }:
 
 stdenv.mkDerivation {

diff --git a/pkgs/development/compilers/llvm/13/compiler-rt/default.nix b/pkgs/development/compilers/llvm/13/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, src, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt }:
+{ lib, stdenv, llvm_meta, version, src, cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -99,6 +101,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/13/default.nix b/pkgs/development/compilers/llvm/13/default.nix
@@ -163,7 +163,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/13/libcxxabi/default.nix b/pkgs/development/compilers/llvm/13/libcxxabi/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, llvm_meta, cmake, python3, src, cxx-headers, libunwind, version
 , enableShared ? !stdenv.hostPlatform.isStatic
 , standalone ? stdenv.hostPlatform.useLLVM or false
-, withLibunwind ? !stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm
+, withLibunwind ? !stdenv.isDarwin && !stdenv.hostPlatform.isWasm
 }:
 
 stdenv.mkDerivation rec {

diff --git a/pkgs/development/compilers/llvm/14/compiler-rt/default.nix b/pkgs/development/compilers/llvm/14/compiler-rt/default.nix
@@ -1,6 +1,7 @@
 { lib, stdenv, llvm_meta, version
 , monorepoSrc, runCommand
 , cmake, python3, xcbuild, libllvm, libcxxabi, libxcrypt
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
 }:
 
 let
@@ -110,6 +111,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/14/default.nix b/pkgs/development/compilers/llvm/14/default.nix
@@ -166,7 +166,7 @@ let
         ]
         ++ lib.optional (!stdenv.targetPlatform.isWasm) "--unwindlib=libunwind"
         ++ lib.optional
-          (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false)
+          (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false)
           "-lunwind"
         ++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
     };

diff --git a/pkgs/development/compilers/llvm/14/libcxxabi/default.nix b/pkgs/development/compilers/llvm/14/libcxxabi/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [ cmake python3 ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = [
     "-DLIBCXXABI_LIBCXX_INCLUDES=${cxx-headers}/include/c++/v1"

diff --git a/pkgs/development/compilers/llvm/5/compiler-rt/default.nix b/pkgs/development/compilers/llvm/5/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -86,6 +88,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/linux/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/linux/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/linux/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/freebsd/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/5/libcxxabi/default.nix b/pkgs/development/compilers/llvm/5/libcxxabi/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin) libunwind;
 
   preInstall = lib.optionalString stdenv.isDarwin ''
     for file in lib/*.dylib; do

diff --git a/pkgs/development/compilers/llvm/6/compiler-rt/default.nix b/pkgs/development/compilers/llvm/6/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -86,6 +88,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/linux/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/linux/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/linux/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/freebsd/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/6/libcxxabi/default.nix b/pkgs/development/compilers/llvm/6/libcxxabi/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin) libunwind;
 
   preInstall = lib.optionalString stdenv.isDarwin ''
     for file in lib/*.dylib; do

diff --git a/pkgs/development/compilers/llvm/7/compiler-rt/default.nix b/pkgs/development/compilers/llvm/7/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -89,6 +91,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/7/default.nix b/pkgs/development/compilers/llvm/7/default.nix
@@ -163,7 +163,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/7/libcxxabi/default.nix b/pkgs/development/compilers/llvm/7/libcxxabi/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, llvm_meta, cmake, fetch, libcxx, libunwind, llvm, version
 , fetchpatch
 , standalone ? stdenv.hostPlatform.useLLVM or false
-, withLibunwind ? !stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm
+, withLibunwind ? !stdenv.isDarwin && !stdenv.hostPlatform.isWasm
   # on musl the shared objects don't build
 , enableShared ? !stdenv.hostPlatform.isStatic
 }:

diff --git a/pkgs/development/compilers/llvm/8/compiler-rt/default.nix b/pkgs/development/compilers/llvm/8/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -89,6 +91,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/8/default.nix b/pkgs/development/compilers/llvm/8/default.nix
@@ -164,7 +164,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/8/libcxxabi/default.nix b/pkgs/development/compilers/llvm/8/libcxxabi/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DLLVM_ENABLE_LIBCXX=ON"

diff --git a/pkgs/development/compilers/llvm/9/compiler-rt/default.nix b/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
+}:
 
 let
 
@@ -88,6 +90,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/9/default.nix b/pkgs/development/compilers/llvm/9/default.nix
@@ -164,7 +164,7 @@ let
         echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
       '' + lib.optionalString (!stdenv.targetPlatform.isWasm) ''
         echo "--unwindlib=libunwind" >> $out/nix-support/cc-cflags
-      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false) ''
+      '' + lib.optionalString (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false) ''
         echo "-lunwind" >> $out/nix-support/cc-ldflags
       '' + lib.optionalString stdenv.targetPlatform.isWasm ''
         echo "-fno-exceptions" >> $out/nix-support/cc-cflags

diff --git a/pkgs/development/compilers/llvm/9/libcxxabi/default.nix b/pkgs/development/compilers/llvm/9/libcxxabi/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DLLVM_ENABLE_LIBCXX=ON"

diff --git a/pkgs/development/compilers/llvm/git/compiler-rt/default.nix b/pkgs/development/compilers/llvm/git/compiler-rt/default.nix
@@ -1,6 +1,7 @@
 { lib, stdenv, llvm_meta, version
 , monorepoSrc, runCommand
 , cmake, python3, xcbuild, libllvm, libcxxabi
+, doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD
 }:
 
 let
@@ -106,6 +107,8 @@ stdenv.mkDerivation {
     ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
     ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
     ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
+  '' + lib.optionalString doFakeLibgcc ''
+    ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a
   '';
 
   meta = llvm_meta // {

diff --git a/pkgs/development/compilers/llvm/git/default.nix b/pkgs/development/compilers/llvm/git/default.nix
@@ -166,7 +166,7 @@ let
         ]
         ++ lib.optional (!stdenv.targetPlatform.isWasm) "--unwindlib=libunwind"
         ++ lib.optional
-          (!stdenv.targetPlatform.isWasm && stdenv.targetPlatform.useLLVM or false)
+          (!stdenv.targetPlatform.isWasm && !stdenv.targetPlatform.isFreeBSD && stdenv.targetPlatform.useLLVM or false)
           "-lunwind"
         ++ lib.optional stdenv.targetPlatform.isWasm "-fno-exceptions";
     };

diff --git a/pkgs/development/compilers/llvm/git/libcxxabi/default.nix b/pkgs/development/compilers/llvm/git/libcxxabi/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [ cmake python3 ];
-  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
+  buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
 
   cmakeFlags = [
     "-DLLVM_ENABLE_RUNTIMES=libcxxabi"

diff --git a/pkgs/os-specific/bsd/freebsd/compat-fix-typedefs-locations.patch b/pkgs/os-specific/bsd/freebsd/compat-fix-typedefs-locations.patch
@@ -0,0 +1,32 @@
+--- a/tools/build/cross-build/include/common/sys/_types.h
++++ b/tools/build/cross-build/include/common/sys/_types.h
+@@ -47,3 +47,6 @@
+  * Neither GLibc nor macOS define __va_list but many FreeBSD headers require it.
+  */
+ typedef __builtin_va_list __va_list;
++
++typedef __UINTPTR_TYPE__ __uintptr_t;
++typedef __INTPTR_TYPE__ __intptr_t;
+--- a/tools/build/cross-build/include/common/sys/types.h
++++ b/tools/build/cross-build/include/common/sys/types.h
+@@ -49,9 +49,6 @@
+ #include <sys/sysmacros.h>
+ #endif
+
+-typedef __UINTPTR_TYPE__ __uintptr_t;
+-typedef __INTPTR_TYPE__ __intptr_t;
+-
+ /* needed for gencat */
+ typedef int __nl_item;
+
+--- a/tools/build/cross-build/include/linux/sys/types.h
++++ b/tools/build/cross-build/include/linux/sys/types.h
+@@ -39,6 +39,8 @@
+
+ #include_next <sys/types.h>
+
++#include <sys/_types.h>
++
+ #ifndef __size_t
+ typedef __SIZE_TYPE__ __size_t;
+ #endif