From d303a2f4318cc5cf36d3537347eda91e0e440118 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Sat, 28 Sep 2019 17:10:51 -0400
Subject: llvm/compiler-rt: fix on i686

Only turn on cross related flags when useLLVM = true.

Fixes #66693
---
 pkgs/development/compilers/llvm/7/compiler-rt.nix | 9 ++++-----
 pkgs/development/compilers/llvm/8/compiler-rt.nix | 7 +++----
 2 files changed, 7 insertions(+), 9 deletions(-)

(limited to 'pkgs/development/compilers/llvm')

diff --git a/pkgs/development/compilers/llvm/7/compiler-rt.nix b/pkgs/development/compilers/llvm/7/compiler-rt.nix
index 0912435327ce..ca3bbf905de1 100644
--- a/pkgs/development/compilers/llvm/7/compiler-rt.nix
+++ b/pkgs/development/compilers/llvm/7/compiler-rt.nix
@@ -7,11 +7,10 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python llvm ];
   buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  cmakeFlags = [
+  cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
     "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
     "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [
     "-DCMAKE_C_FLAGS=-nodefaultlibs"
     "-DCMAKE_CXX_COMPILER_WORKS=ON"
     "-DCOMPILER_RT_BUILD_BUILTINS=ON"
@@ -26,7 +25,7 @@ stdenv.mkDerivation {
 
   patches = [
     ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) ./crtbegin-and-end.patch
+  ] ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) ./crtbegin-and-end.patch
     ++ stdenv.lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch;
 
   # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
@@ -37,7 +36,7 @@ stdenv.mkDerivation {
   postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
     substituteInPlace cmake/config-ix.cmake \
       --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
-  '' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+  '' + stdenv.lib.optionalString (stdenv.hostPlatform.useLLVM or false) ''
     substituteInPlace lib/builtins/int_util.c \
       --replace "#include <stdlib.h>" ""
     substituteInPlace lib/builtins/clear_cache.c \
@@ -49,7 +48,7 @@ stdenv.mkDerivation {
   # Hack around weird upsream RPATH bug
   postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
     ln -s "$out/lib"/*/* "$out/lib"
-  '' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+  '' + stdenv.lib.optionalString (stdenv.hostPlatform.useLLVM or false) ''
     ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/linux/crtbegin.o
     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
diff --git a/pkgs/development/compilers/llvm/8/compiler-rt.nix b/pkgs/development/compilers/llvm/8/compiler-rt.nix
index 936c877d58c9..88788852862f 100644
--- a/pkgs/development/compilers/llvm/8/compiler-rt.nix
+++ b/pkgs/development/compilers/llvm/8/compiler-rt.nix
@@ -7,11 +7,10 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake python llvm ];
   buildInputs = stdenv.lib.optional stdenv.hostPlatform.isDarwin libcxxabi;
 
-  cmakeFlags = [
+  cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
     "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON"
     "-DCMAKE_C_COMPILER_TARGET=${stdenv.hostPlatform.config}"
     "-DCMAKE_ASM_COMPILER_TARGET=${stdenv.hostPlatform.config}"
-  ] ++ stdenv.lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
     "-DCMAKE_C_FLAGS=-nodefaultlibs"
     "-DCMAKE_CXX_COMPILER_WORKS=ON"
     "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
@@ -37,7 +36,7 @@ stdenv.mkDerivation {
   patches = [
     ./compiler-rt-codesign.patch # Revert compiler-rt commit that makes codesign mandatory
   ]# ++ stdenv.lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch
-    ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) ./crtbegin-and-end.patch;
+    ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) ./crtbegin-and-end.patch;
 
   # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
   # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
@@ -47,7 +46,7 @@ stdenv.mkDerivation {
   postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
     substituteInPlace cmake/config-ix.cmake \
       --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
-  '' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+  '' + stdenv.lib.optionalString (stdenv.hostPlatform.useLLVM or false) ''
     substituteInPlace lib/builtins/int_util.c \
       --replace "#include <stdlib.h>" ""
     substituteInPlace lib/builtins/clear_cache.c \
-- 
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