From fedceecc3731e387e531d3aaa170eba1914f5a9e Mon Sep 17 00:00:00 2001
From: Cao Doan <caodoan@meta.com>
Date: Tue, 24 Jun 2025 15:38:23 -0700
Subject: [PATCH] Correct some cpp imports (#52212)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52212

Correcting some C++ imports that show up when build with Xcode 26:
- Missing `<string>` imports.
- `<tgmath.h>` is a deprecated C++ header file, which in this case can be substituted with `<cmath>`.

## Changelog: [Internal]

[iOS][Fixed] - Fix deprecated C++ imports

Reviewed By: zhenma

Differential Revision: D77192276

fbshipit-source-id: 30c836947cb3eb54f6e7ac42b87fd2493334a4f4
---
 .../ios/RCTSampleNativeComponentViewManager.mm                 | 2 ++
 .../Libraries/Image/RCTImageURLLoaderWithAttribution.h         | 3 ++-
 packages/react-native/Libraries/Image/RCTImageUtils.mm         | 2 +-
 packages/react-native/React/Base/RCTUtils.h                    | 2 --
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/react-native-test-library/ios/RCTSampleNativeComponentViewManager.mm b/packages/react-native-test-library/ios/RCTSampleNativeComponentViewManager.mm
index ffe7c6c9e01..80981260209 100644
--- a/packages/react-native-test-library/ios/RCTSampleNativeComponentViewManager.mm
+++ b/packages/react-native-test-library/ios/RCTSampleNativeComponentViewManager.mm
@@ -9,6 +9,8 @@
 #import <React/RCTUIManager.h>
 #import <React/RCTViewManager.h>
 
+#import <string>
+
 static UIColor *UIColorFromHexString(const std::string hexString)
 {
   unsigned rgbValue = 0;
diff --git a/packages/react-native/Libraries/Image/RCTImageURLLoaderWithAttribution.h b/packages/react-native/Libraries/Image/RCTImageURLLoaderWithAttribution.h
index 87b59f0843c..59213fa62c9 100644
--- a/packages/react-native/Libraries/Image/RCTImageURLLoaderWithAttribution.h
+++ b/packages/react-native/Libraries/Image/RCTImageURLLoaderWithAttribution.h
@@ -8,9 +8,10 @@
 #import <React/RCTImageLoaderLoggable.h>
 #import <React/RCTImageLoaderProtocol.h>
 #import <React/RCTImageURLLoader.h>
-
 // TODO (T61325135): Remove C++ checks
 #ifdef __cplusplus
+#import <string>
+
 namespace facebook::react {
 
 struct ImageURLLoaderAttribution {
diff --git a/packages/react-native/Libraries/Image/RCTImageUtils.mm b/packages/react-native/Libraries/Image/RCTImageUtils.mm
index b7f85f83fc3..af0d12d5d17 100644
--- a/packages/react-native/Libraries/Image/RCTImageUtils.mm
+++ b/packages/react-native/Libraries/Image/RCTImageUtils.mm
@@ -7,7 +7,7 @@
 
 #import <React/RCTImageUtils.h>
 
-#import <tgmath.h>
+#import <cmath>
 
 #import <ImageIO/ImageIO.h>
 #import <MobileCoreServices/UTCoreTypes.h>
diff --git a/packages/react-native/React/Base/RCTUtils.h b/packages/react-native/React/Base/RCTUtils.h
index d4459badcea..1f3c29b0062 100644
--- a/packages/react-native/React/Base/RCTUtils.h
+++ b/packages/react-native/React/Base/RCTUtils.h
@@ -5,8 +5,6 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-#import <tgmath.h>
-
 #import <CoreGraphics/CoreGraphics.h>
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>