fix: workaround upstream leveldb-library std:memory_order_relaxed issue

See firebase/leveldb#15

make-demo.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e 
 
-RN_VER=0.76.0-rc.6
+RN_VER=0.76.0
 RNFB_VER=21.0.0
 FB_IOS_VER=11.3.0
 FB_ANDROID_VER=33.4.0
@@ -259,6 +259,16 @@ if [ "$(uname)" == "Darwin" ]; then
   pod repo update
   npm_config_yes=true npx pod-install
 
+  # rn76 defines NDEBUG in iOS builds now by default
+  # leveldb-library had two invalid symbols guarded by IFDEFs for that symbol that are unmasked now
+  # Will be solved when upstream PR is merged and released:
+  # https://github.com/firebase/leveldb/pull/15
+  ENV_POSIX_CC="ios/Pods/leveldb-library/util/env_posix.cc"
+  chmod +w $ENV_POSIX_CC
+  sed -i -e $'s/std::memory_order::memory_order_relaxed/std::memory_order_relaxed/' $ENV_POSIX_CC
+  rm -f ${ENV_POSIX_CC}??
+
+
   # Check iOS debug mode compile
   npx react-native run-ios --mode Debug --simulator "iPhone 16"