From 3de8cf9d2e59396bc578553bb3cdf4921649b110 Mon Sep 17 00:00:00 2001
From: Leigh <351529+leighmcculloch@users.noreply.github.com>
Date: Wed, 1 Oct 2025 11:04:41 +1000
Subject: [PATCH] update build flags in core

---
 .github/workflows/build.yml | 2 +-
 Dockerfile.core             | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5652aaf5..22bd555c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,7 +68,7 @@ env:
   # Cache ID is a value inserted into cache keys. Whenever changing the build
   # in a way that needs to use entirely new fresh builds, increment the number
   # by one so that all the keys become new.
-  CACHE_ID: 4
+  CACHE_ID: 5
   ARTIFACT_RETENTION_DAYS_FOR_IMAGE: 7
   ARTIFACT_RETENTION_DAYS_FOR_LOGS: 60
 
diff --git a/Dockerfile.core b/Dockerfile.core
index 7b7b4add..491a1ff8 100644
--- a/Dockerfile.core
+++ b/Dockerfile.core
@@ -20,10 +20,12 @@ RUN git submodule foreach --recursive git clean -dXf
 
 ARG CC=clang-12
 ARG CXX=clang++-12
-ARG CFLAGS='-O3 -g1'
-ARG CXXFLAGS='-O3 -g1'
+ARG CFLAGS='-O3 -g1 -fno-omit-frame-pointer'
+ARG CXXFLAGS='-O3 -g1 -fno-omit-frame-pointer -stdlib=libc++'
 ARG CONFIGURE_FLAGS=''
 
+RUN sysctl vm.mmap_rnd_bits=28
+
 RUN ./autogen.sh
 RUN ./install-rust.sh
 ENV PATH "/root/.cargo/bin:$PATH"