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This pull request was exported from Phabricator. Differential Revision: D67316013 |
Summary:
This PR introduces necessary changes to let React Native uses latest version of static Hermes.
## Explanation
### Part 1
```cmake
append("/d2UndefIntOverflow-" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
```
It seems like this flag doesn’t exist anymore in the MSVC 16 compiler.
CI logs - https://github.com/piaskowyk/react-native/actions/runs/11815096269/job/32915591004
```
fatal error C1007: unrecognized flag '-UndefIntOverflow-' in 'p2'
```
### Part 2
```cmake
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC")
# MSVC needs C++20
set(CMAKE_CXX_STANDARD 20)
else()
set(CMAKE_CXX_STANDARD 17)
endif()
```
Some of the new syntax in static Hermes requires the newer C++ standard on MSVC.
### Part 3
```cmake
# Changes in lib/CMakeLists.txt
```
These updates are necessary to successfully build the Hermes Framework for iOS.
### Part 4
```diff
namespace hermes {
namespace hbc {
namespace {
class BytecodeSerializer {
- friend void visitBytecodeSegmentsInOrder<BytecodeSerializer>(
+ friend void hermes::hbc::visitBytecodeSegmentsInOrder<BytecodeSerializer>(
```
Due to additional additional anonymous namespace, the MSVC wasn't able to recognise proper symbol without explicite definition.
X-link: facebook/hermes#1566
Test Plan: Build RNTester app from here - https://github.com/piaskowyk/react-native/tree/%40piaskowyk/build-static-hermes
Reviewed By: tmikov, cipolleschi
Differential Revision: D67316013
Pulled By: neildhar
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This pull request was exported from Phabricator. Differential Revision: D67316013 |
facebook-github-bot
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Dec 20, 2024
Summary: X-link: facebook/react-native#48327 This PR introduces necessary changes to let React Native uses latest version of static Hermes. ## Explanation ### Part 1 ```cmake append("/d2UndefIntOverflow-" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) ``` It seems like this flag doesn’t exist anymore in the MSVC 16 compiler. CI logs - https://github.com/piaskowyk/react-native/actions/runs/11815096269/job/32915591004 ``` fatal error C1007: unrecognized flag '-UndefIntOverflow-' in 'p2' ``` ### Part 2 ```cmake if("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC") # MSVC needs C++20 set(CMAKE_CXX_STANDARD 20) else() set(CMAKE_CXX_STANDARD 17) endif() ``` Some of the new syntax in static Hermes requires the newer C++ standard on MSVC. ### Part 3 ```cmake # Changes in lib/CMakeLists.txt ``` These updates are necessary to successfully build the Hermes Framework for iOS. ### Part 4 ```diff namespace hermes { namespace hbc { namespace { class BytecodeSerializer { - friend void visitBytecodeSegmentsInOrder<BytecodeSerializer>( + friend void hermes::hbc::visitBytecodeSegmentsInOrder<BytecodeSerializer>( ``` Due to additional additional anonymous namespace, the MSVC wasn't able to recognise proper symbol without explicite definition. Pull Request resolved: #1566 Test Plan: Build RNTester app from here - https://github.com/piaskowyk/react-native/tree/%40piaskowyk/build-static-hermes Reviewed By: tmikov, cipolleschi Differential Revision: D67316013 Pulled By: neildhar fbshipit-source-id: cf03850f94a75acd827b68794700a8f143a90e09
facebook-github-bot
pushed a commit
to facebook/hermes
that referenced
this pull request
Dec 20, 2024
Summary: X-link: facebook/react-native#48327 This PR introduces necessary changes to let React Native uses latest version of static Hermes. ## Explanation ### Part 1 ```cmake append("/d2UndefIntOverflow-" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) ``` It seems like this flag doesn’t exist anymore in the MSVC 16 compiler. CI logs - https://github.com/piaskowyk/react-native/actions/runs/11815096269/job/32915591004 ``` fatal error C1007: unrecognized flag '-UndefIntOverflow-' in 'p2' ``` ### Part 2 ```cmake if("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC") # MSVC needs C++20 set(CMAKE_CXX_STANDARD 20) else() set(CMAKE_CXX_STANDARD 17) endif() ``` Some of the new syntax in static Hermes requires the newer C++ standard on MSVC. ### Part 3 ```cmake # Changes in lib/CMakeLists.txt ``` These updates are necessary to successfully build the Hermes Framework for iOS. ### Part 4 ```diff namespace hermes { namespace hbc { namespace { class BytecodeSerializer { - friend void visitBytecodeSegmentsInOrder<BytecodeSerializer>( + friend void hermes::hbc::visitBytecodeSegmentsInOrder<BytecodeSerializer>( ``` Due to additional additional anonymous namespace, the MSVC wasn't able to recognise proper symbol without explicite definition. Pull Request resolved: #1566 Test Plan: Build RNTester app from here - https://github.com/piaskowyk/react-native/tree/%40piaskowyk/build-static-hermes Reviewed By: tmikov, cipolleschi Differential Revision: D67316013 Pulled By: neildhar fbshipit-source-id: cf03850f94a75acd827b68794700a8f143a90e09
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This pull request was successfully merged by @piaskowyk in 23eb06f When will my fix make it into a release? | How to file a pick request? |
vmoroz
pushed a commit
to vmoroz/microsoft-hermes-windows
that referenced
this pull request
Apr 17, 2025
Summary: X-link: facebook/react-native#48327 This PR introduces necessary changes to let React Native uses latest version of static Hermes. ```cmake append("/d2UndefIntOverflow-" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) ``` It seems like this flag doesn’t exist anymore in the MSVC 16 compiler. CI logs - https://github.com/piaskowyk/react-native/actions/runs/11815096269/job/32915591004 ``` fatal error C1007: unrecognized flag '-UndefIntOverflow-' in 'p2' ``` ```cmake if("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC") # MSVC needs C++20 set(CMAKE_CXX_STANDARD 20) else() set(CMAKE_CXX_STANDARD 17) endif() ``` Some of the new syntax in static Hermes requires the newer C++ standard on MSVC. ```cmake ``` These updates are necessary to successfully build the Hermes Framework for iOS. ```diff namespace hermes { namespace hbc { namespace { class BytecodeSerializer { - friend void visitBytecodeSegmentsInOrder<BytecodeSerializer>( + friend void hermes::hbc::visitBytecodeSegmentsInOrder<BytecodeSerializer>( ``` Due to additional additional anonymous namespace, the MSVC wasn't able to recognise proper symbol without explicite definition. Pull Request resolved: facebook#1566 Test Plan: Build RNTester app from here - https://github.com/piaskowyk/react-native/tree/%40piaskowyk/build-static-hermes Reviewed By: tmikov, cipolleschi Differential Revision: D67316013 Pulled By: neildhar fbshipit-source-id: cf03850f94a75acd827b68794700a8f143a90e09
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Summary:
This PR introduces necessary changes to let React Native uses latest version of static Hermes.
Explanation
Part 1
It seems like this flag doesn’t exist anymore in the MSVC 16 compiler.
CI logs - https://github.com/piaskowyk/react-native/actions/runs/11815096269/job/32915591004
Part 2
Some of the new syntax in static Hermes requires the newer C++ standard on MSVC.
Part 3
# Changes in lib/CMakeLists.txtThese updates are necessary to successfully build the Hermes Framework for iOS.
Part 4
namespace hermes { namespace hbc { namespace { class BytecodeSerializer { - friend void visitBytecodeSegmentsInOrder<BytecodeSerializer>( + friend void hermes::hbc::visitBytecodeSegmentsInOrder<BytecodeSerializer>(Due to additional additional anonymous namespace, the MSVC wasn't able to recognise proper symbol without explicite definition.
X-link: facebook/hermes#1566
Reviewed By: tmikov, cipolleschi
Differential Revision: D67316013
Pulled By: neildhar