From 74f03ddadb4fef78cc37c1d2569f09b50eff9221 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C8=98tefan=20Talpalaru?= <stefantalpalaru@yahoo.com>
Date: Fri, 5 Nov 2021 18:11:25 +0100
Subject: [PATCH] CI: statically check stack size on Linux (#3055)

---
 .github/workflows/ci.yml   | 6 ++++++
 config.nims                | 3 ++-
 vendor/nimbus-build-system | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6736d6032..db464b6ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,6 +120,12 @@ jobs:
           echo "ARCH=$ARCH" >> $GITHUB_ENV
           echo "PLATFORM=$PLATFORM" >> $GITHUB_ENV
 
+          # Stack usage test on recent enough gcc:
+          if [[ '${{ runner.os }}' == 'Linux' && '${{ matrix.target.cpu }}' == 'amd64' ]]; then
+            export NIMFLAGS="${NIMFLAGS} -d:limitStackUsage"
+            echo "NIMFLAGS=$NIMFLAGS" >> $GITHUB_ENV
+          fi
+
           # libminiupnp / natpmp
           if [[ '${{ runner.os }}' == 'Linux' && '${{ matrix.target.cpu }}' == 'i386' ]]; then
             export CFLAGS="${CFLAGS} -m32 -mno-adx"
diff --git a/config.nims b/config.nims
index ca639083c..538c00d01 100644
--- a/config.nims
+++ b/config.nims
@@ -43,7 +43,8 @@ if defined(cwarnings):
 if defined(limitStackUsage):
   # This limits stack usage of each individual function to 1MB - the option is
   # available on some GCC versions but not all - run with `-d:limitStackUsage`
-  # and look for .su files in "./nimcache/" that list the stack size of each function
+  # and look for .su files in "./build/", "./nimcache/" or $TMPDIR that list the
+  # stack size of each function.
   switch("passC", "-fstack-usage -Werror=stack-usage=1048576")
   switch("passL", "-fstack-usage -Werror=stack-usage=1048576")
 
diff --git a/vendor/nimbus-build-system b/vendor/nimbus-build-system
index 5fbffb228..e5bc3dd3a 160000
--- a/vendor/nimbus-build-system
+++ b/vendor/nimbus-build-system
@@ -1 +1 @@
-Subproject commit 5fbffb22859a85aa0dc3e9238cc03d92ab197682
+Subproject commit e5bc3dd3a2736d0226c90c8300746069fdb69174