[PATCH] D58839: gn build: Add 32-bit Linux support.

[Peter Collingbourne via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL355467: gn build: Add 32-bit Linux support. (authored by pcc, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D58839?vs=188942&id=189430#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58839/new/

https://reviews.llvm.org/D58839

Files:
  llvm/trunk/utils/gn/build/toolchain/target_flags.gni
  llvm/trunk/utils/gn/secondary/compiler-rt/target.gni
  llvm/trunk/utils/gn/secondary/llvm/triples.gni


Index: llvm/trunk/utils/gn/secondary/compiler-rt/target.gni
===================================================================
--- llvm/trunk/utils/gn/secondary/compiler-rt/target.gni
+++ llvm/trunk/utils/gn/secondary/compiler-rt/target.gni
@@ -6,7 +6,9 @@
   assert(false, "unimplemented current_os " + current_os)
 }
 
-if (current_cpu == "x64") {
+if (current_cpu == "x86") {
+  crt_current_target_arch = "i386"
+} else if (current_cpu == "x64") {
   crt_current_target_arch = "x86_64"
 } else if (current_cpu == "arm64") {
   crt_current_target_arch = "aarch64"
Index: llvm/trunk/utils/gn/secondary/llvm/triples.gni
===================================================================
--- llvm/trunk/utils/gn/secondary/llvm/triples.gni
+++ llvm/trunk/utils/gn/secondary/llvm/triples.gni
@@ -1,4 +1,8 @@
-if (current_cpu == "x64") {
+if (current_cpu == "x86") {
+  if (current_os == "linux") {
+    llvm_current_triple = "i386-unknown-linux-gnu"
+  }
+} else if (current_cpu == "x64") {
   if (current_os == "freebsd") {
     llvm_current_triple = "x86_64-unknown-freebsd"
   } else if (current_os == "linux") {
Index: llvm/trunk/utils/gn/build/toolchain/target_flags.gni
===================================================================
--- llvm/trunk/utils/gn/build/toolchain/target_flags.gni
+++ llvm/trunk/utils/gn/build/toolchain/target_flags.gni
@@ -12,3 +12,7 @@
   ]
   target_ldflags += [ "-static-libstdc++" ]
 }
+
+if (current_cpu == "x86") {
+  target_flags = [ "-m32" ]
+}


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