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v8: fix build with GCC. #343

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Merged
merged 5 commits into from
Apr 28, 2023
Merged

v8: fix build with GCC. #343

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6da9ee7
Fix v8 gcc Bazel build using -Wno-nonnull. Fixes #340.
martijneken Apr 26, 2023
e3e0077
Restore and expand v8 patch comment
martijneken Apr 26, 2023
8fd9a93
Add GCC Linux/x86_64 v8 builds to CI suite
martijneken Apr 26, 2023
5db3fd6
Merge remote-tracking branch 'upstream/master' into gcc-v8-nonnull-fix
martijneken Apr 28, 2023
1209368
Fix CI test for v8 with GCC
martijneken Apr 28, 2023
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25 changes: 17 additions & 8 deletions bazel/external/v8.patch
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Original file line number Diff line number Diff line change
@@ -1,11 +1,8 @@
# 1. Disable pointer compression (limits the maximum number of WasmVMs).
# 2. Don't expose Wasm C API (only Wasm C++ API).

diff --git a/BUILD.bazel b/BUILD.bazel
index 5fb10d3940..a19930d36e 100644
index 4e89f90e7e..3fcb38b3f3 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -161,7 +161,7 @@ v8_int(
@@ -157,7 +157,7 @@ v8_int(
# If no explicit value for v8_enable_pointer_compression, we set it to 'none'.
v8_string(
name = "v8_enable_pointer_compression",
Expand All @@ -14,11 +11,23 @@ index 5fb10d3940..a19930d36e 100644
)

# Default setting for v8_enable_pointer_compression.
diff --git a/bazel/defs.bzl b/bazel/defs.bzl
index e957c0fad3..063627b72b 100644
--- a/bazel/defs.bzl
+++ b/bazel/defs.bzl
@@ -131,6 +131,7 @@ def _default_args():
"-Wno-redundant-move",
"-Wno-return-type",
"-Wno-stringop-overflow",
+ "-Wno-nonnull",
# Use GNU dialect, because GCC doesn't allow using
# ##__VA_ARGS__ when in standards-conforming mode.
"-std=gnu++17",
diff --git a/src/wasm/c-api.cc b/src/wasm/c-api.cc
index ce3f569fd5..dc8a4c4f6a 100644
index 4473e205c0..65a6ec7e1d 100644
--- a/src/wasm/c-api.cc
+++ b/src/wasm/c-api.cc
@@ -2238,6 +2238,8 @@ auto Instance::exports() const -> ownvec<Extern> {
@@ -2247,6 +2247,8 @@ auto Instance::exports() const -> ownvec<Extern> {

} // namespace wasm

Expand All @@ -27,7 +36,7 @@ index ce3f569fd5..dc8a4c4f6a 100644
// BEGIN FILE wasm-c.cc

extern "C" {
@@ -3257,3 +3259,5 @@ wasm_instance_t* wasm_frame_instance(const wasm_frame_t* frame) {
@@ -3274,3 +3276,5 @@ wasm_instance_t* wasm_frame_instance(const wasm_frame_t* frame) {
#undef WASM_DEFINE_SHARABLE_REF

} // extern "C"
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