build: enable backtrace when V8 is built for PPC and S390x

Refs: nodejs/node-v8#119

PR-URL: #32113
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

common.gypi

@@ -102,6 +102,9 @@
         'obj_dir%': '<(PRODUCT_DIR)/obj.target',
         'v8_base': '<(PRODUCT_DIR)/libv8_snapshot.a',
       }],
+      ['target_arch in "ppc64 s390x"', {
+        'v8_enable_backtrace': 1,
+      }],
     ],
   },
 

tools/make-v8.sh

@@ -28,7 +28,7 @@ if [[ "$ARCH" == "s390x" ]] || [[ "$ARCH" == "ppc64le" ]]; then
   g++ --version
   gcc --version
   export PKG_CONFIG_PATH=$BUILD_TOOLS/pkg-config
-  gn gen -v out.gn/$BUILD_ARCH_TYPE --args="is_component_build=false is_debug=false use_goma=false goma_dir=\"None\" use_custom_libcxx=false v8_target_cpu=\"$TARGET_ARCH\" target_cpu=\"$TARGET_ARCH\""
+  gn gen -v out.gn/$BUILD_ARCH_TYPE --args="is_component_build=false is_debug=false use_goma=false goma_dir=\"None\" use_custom_libcxx=false v8_target_cpu=\"$TARGET_ARCH\" target_cpu=\"$TARGET_ARCH\" v8_enable_backtrace=true"
   ninja -v -C out.gn/$BUILD_ARCH_TYPE d8 cctest inspector-test
 else
   PATH=~/_depot_tools:$PATH tools/dev/v8gen.py $BUILD_ARCH_TYPE --no-goma $V8_BUILD_OPTIONS