From cb883f6df4701e1edbdce0110e7dce17dbf2d1fe Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sat, 22 Mar 2025 17:08:47 +0100
Subject: [PATCH] build: add size-optimized release build

---
 .docker/build-linux.sh      | 10 ++++++++++
 .github/workflows/build.yml | 12 ++++++++++++
 CMakeLists.txt              |  2 +-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/.docker/build-linux.sh b/.docker/build-linux.sh
index 5e56804f..68623a75 100755
--- a/.docker/build-linux.sh
+++ b/.docker/build-linux.sh
@@ -121,6 +121,13 @@ case "-$BUILD_TYPE-" in
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_BUILD_TYPE=Release"
     CMAKE_ARGS="${CMAKE_ARGS} -DWITH_BENCHMARKS=1"
     ;;
+  *-relsize-*)
+    CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_BUILD_TYPE=MinSizeRel"
+    CMAKE_ARGS="${CMAKE_ARGS} -DWITH_BENCHMARKS=1"
+    export CFLAGS="-ffunction-sections -fdata-sections -fvisibility=hidden -fmerge-all-constants"
+    export CXXFLAGS="$CFLAGS"
+    export LDFLAGS="-Wl,--gc-sections"
+    ;;
   *-reldbg-*)
     CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_BUILD_TYPE=RelWithDebInfo"
     ;;
@@ -296,7 +303,10 @@ else
 
         $RUN_TESTS
       fi
+    fi
 
+    # for release and resize builds, strip the binaries
+    if [[ "-$BUILD_TYPE-" =~ -(release|relsize)- ]]; then
       $BUILD_TOOL strip
     fi
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 197f28fe..aa7167e6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -332,6 +332,18 @@ jobs:
           - arch: arm64v8
             dist: alpine
             build_type: clang-release-ninja-static
+          - arch: amd64
+            dist: alpine
+            build_type: gcc-relsize-ninja-static
+          - arch: arm64v8
+            dist: alpine
+            build_type: gcc-relsize-ninja-static
+          - arch: amd64
+            dist: alpine
+            build_type: clang-relsize-ninja-static
+          - arch: arm64v8
+            dist: alpine
+            build_type: clang-relsize-ninja-static
           - arch: amd64
             dist: alpine
             build_type: clang-reldbg-stacktrace-ninja-static
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5803154a..09d2ed7d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -920,7 +920,7 @@ add_custom_target(
   USES_TERMINAL)
 
 if(STATIC_BUILD_DO_NOT_USE OR APPLE)
-  if(CMAKE_BUILD_TYPE STREQUAL "Release")
+  if(CMAKE_BUILD_TYPE MATCHES "Release|MinSizeRel")
     foreach(tgt ${BINARY_TARGETS})
       list(APPEND FILES_TO_STRIP $<TARGET_FILE:${tgt}>)
     endforeach()