File: fix-rust-linking.patch

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Index: chromium-134.0.6998.35/build/toolchain/gcc_toolchain.gni
===================================================================
--- chromium-134.0.6998.35.orig/build/toolchain/gcc_toolchain.gni
+++ chromium-134.0.6998.35/build/toolchain/gcc_toolchain.gni
@@ -425,7 +425,13 @@ template("single_gcc_toolchain") {
         # -soname flag is not available on aix ld
         soname_flag = "-Wl,-soname=\"$soname\""
       }
-      link_command = "$ld -shared $soname_flag {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" @\"$rspfile\" {{rlibs}}"
+      if (target_cpu == "ppc64") {
+        # Work around linker failures due to Rust libraries and the use of whole-archive
+        link_command = "$ld -shared $soname_flag -Wl,--start-group {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" @\"$rspfile\" {{rlibs}} -Wl,--end-group"
+      }
+      else {
+        link_command = "$ld -shared $soname_flag {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" @\"$rspfile\" {{rlibs}}"
+      }
 
       # Generate a map file to be used for binary size analysis.
       # Map file adds ~10% to the link time on a z620.
@@ -537,7 +543,13 @@ template("single_gcc_toolchain") {
         whole_archive_flag = "-Wl,--whole-archive"
         no_whole_archive_flag = "-Wl,--no-whole-archive"
       }
-      command = "$ld -shared {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" $soname_flag @\"$rspfile\""
+      if (target_cpu == "ppc64") {
+        # Work around linker failures due to Rust libraries and the use of whole-archive
+        command = "$ld -shared -Wl,--start-group {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" $soname_flag @\"$rspfile\" -Wl,--end-group"
+      }
+      else {
+        command = "$ld -shared {{ldflags}}${extra_ldflags} -o \"$unstripped_sofile\" $soname_flag @\"$rspfile\""
+      }
 
       if (defined(invoker.strip)) {
         strip_command = "${invoker.strip} -o \"$sofile\" \"$unstripped_sofile\""