diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5822e4851a..8c5ff67993 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -387,7 +387,7 @@ jobs:
       - name: Build with meson
         id: build
         run: |
-              ./ci/build-linux-old.sh
+          ./ci/build-linux-old.sh
 
       - name: Print meson log
         if: ${{ failure() && steps.build.outcome == 'failure' }}
diff --git a/ci/build-common.sh b/ci/build-common.sh
new file mode 100755
index 0000000000..1d1a0debad
--- /dev/null
+++ b/ci/build-common.sh
@@ -0,0 +1,6 @@
+common_args="--werror \
+-Dlibmpv=true \
+-Dtests=true \
+"
+
+export CFLAGS="$CFLAGS -Wno-error=deprecated -Wno-error=deprecated-declarations"
diff --git a/ci/build-freebsd.sh b/ci/build-freebsd.sh
index e272ef6774..b2cb774313 100755
--- a/ci/build-freebsd.sh
+++ b/ci/build-freebsd.sh
@@ -1,29 +1,27 @@
 #!/bin/sh
 set -e
 
-export CFLAGS="$CFLAGS -isystem/usr/local/include"
+. ./ci/build-common.sh
+
+export CFLAGS="$CFLAGS -isystem/usr/local/include -march=native"
 export CXXFLAGS="$CXXFLAGS -isystem/usr/local/include"
 export LDFLAGS="$LDFLAGS -L/usr/local/lib"
 
 # TODO: readd -Ddvbin=enabled
 
-meson setup build \
-    --werror      \
-    -Dc_args="-Wno-error=deprecated -Wno-error=deprecated-declarations -march=native" \
-    -Diconv=disabled \
-    -Dlibmpv=true \
-    -Dlua=enabled \
-    -Degl-drm=enabled \
-    -Dopenal=enabled \
-    -Dsndio=enabled \
-    -Dtests=true \
-    -Dvdpau=enabled \
-    -Dvulkan=enabled \
-    -Doss-audio=enabled \
-    $(pkg info -q libdvdnav && echo -Ddvdnav=enabled) \
-    $(pkg info -q libcdio-paranoia && echo -Dcdda=enabled) \
-    $(pkg info -q pipewire && echo -Dpipewire=enabled) \
-    $NULL
+meson setup build $common_args \
+  -Db_sanitize=address,undefined \
+  -Diconv=disabled \
+  -Dlua=enabled \
+  -Degl-drm=enabled \
+  -Dopenal=enabled \
+  -Dsndio=enabled \
+  -Dvdpau=enabled \
+  -Dvulkan=enabled \
+  -Doss-audio=enabled \
+  $(pkg info -q libdvdnav && echo -Ddvdnav=enabled) \
+  $(pkg info -q libcdio-paranoia && echo -Dcdda=enabled) \
+  $(pkg info -q pipewire && echo -Dpipewire=enabled)
 
 meson compile -C build
 ./build/mpv -v --no-config
diff --git a/ci/build-linux-old.sh b/ci/build-linux-old.sh
index 29499f1f24..456a6442bc 100755
--- a/ci/build-linux-old.sh
+++ b/ci/build-linux-old.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -e
 
+. ./ci/build-common.sh
+
 # clone exactly the oldest libplacebo we want to support
 rm -rf subprojects
 mkdir -p subprojects
@@ -8,12 +10,8 @@ git clone https://code.videolan.org/videolan/libplacebo.git \
     --recurse-submodules --shallow-submodules \
     --depth=1 --branch v6.338 subprojects/libplacebo \
 
-meson setup build \
-    --werror      \
-    -Dlibplacebo:vulkan=disabled \
-    -Dlibmpv=true \
-    -Dlua=enabled \
-    -Dtests=true
-
+meson setup build $common_args \
+ -Dlibplacebo:vulkan=disabled \
+ -Dlua=enabled
 meson compile -C build
 ./build/mpv -v --no-config
diff --git a/ci/build-macos.sh b/ci/build-macos.sh
index d11befa13a..c30fe95b7c 100755
--- a/ci/build-macos.sh
+++ b/ci/build-macos.sh
@@ -2,6 +2,8 @@
 
 set -e
 
+. ./ci/build-common.sh
+
 FFMPEG_SYSROOT="${HOME}/deps/sysroot"
 MPV_INSTALL_PREFIX="${HOME}/out/mpv"
 MPV_VARIANT="${TRAVIS_OS_NAME}"
@@ -11,14 +13,12 @@ if [[ -d "./build/${MPV_VARIANT}" ]] ; then
 fi
 
 PKG_CONFIG_PATH="${FFMPEG_SYSROOT}/lib/pkgconfig/" CC="${CC}" CXX="${CXX}" \
-meson setup build \
-    --werror \
-    -Dprefix="${MPV_INSTALL_PREFIX}" \
-    -D{c_args,objc_args}="-Wno-error=deprecated -Wno-error=deprecated-declarations" \
-    -D{libmpv,tests}=true \
-    -D{gl,iconv,lcms2,lua,jpeg,plain-gl,zlib}=enabled \
-    -D{cocoa,coreaudio,gl-cocoa,videotoolbox-gl,videotoolbox-pl}=enabled \
-    -D{swift-build,macos-cocoa-cb,macos-media-player,macos-touchbar,vulkan}=enabled
+meson setup build $common_args \
+  -Dprefix="${MPV_INSTALL_PREFIX}" \
+  -Dobjc_args="-Wno-error=deprecated -Wno-error=deprecated-declarations" \
+  -D{gl,iconv,lcms2,lua,jpeg,plain-gl,zlib}=enabled \
+  -D{cocoa,coreaudio,gl-cocoa,videotoolbox-gl,videotoolbox-pl}=enabled \
+  -D{swift-build,macos-cocoa-cb,macos-media-player,macos-touchbar,vulkan}=enabled
 
 meson compile -C build -j4
 meson install -C build
diff --git a/ci/build-mingw64.sh b/ci/build-mingw64.sh
index e837cdcec2..0f3d93350c 100755
--- a/ci/build-mingw64.sh
+++ b/ci/build-mingw64.sh
@@ -23,6 +23,8 @@ export LDFLAGS="-fstack-protector-strong"
 export PKG_CONFIG_SYSROOT_DIR="$prefix_dir"
 export PKG_CONFIG_LIBDIR="$PKG_CONFIG_SYSROOT_DIR/lib/pkgconfig"
 
+. ./ci/build-common.sh
+
 if [[ "$TARGET" == "i686-"* ]]; then
     export WINEPATH="`$CC -print-file-name=`;/usr/$TARGET/lib"
 fi
@@ -294,16 +296,13 @@ export CFLAGS LDFLAGS
 build=mingw_build
 rm -rf $build
 
-meson setup $build --cross-file "$prefix_dir/crossfile" \
-    --werror                   \
-    -Dc_args="-Wno-error=deprecated -Wno-error=deprecated-declarations" \
-    --buildtype debugoptimized \
-    --force-fallback-for=mujs  \
-    -Dmujs:werror=false        \
-    -Dmujs:default_library=static      \
-    -D{libmpv,tests}=true -Dlua=luajit \
-    -D{shaderc,spirv-cross,d3d11,javascript}=enabled
-
+meson setup $build --cross-file "$prefix_dir/crossfile" $common_args \
+  --buildtype debugoptimized \
+  --force-fallback-for=mujs \
+  -Dmujs:werror=false \
+  -Dmujs:default_library=static \
+  -Dlua=luajit \
+  -D{shaderc,spirv-cross,d3d11,javascript}=enabled
 meson compile -C $build
 
 if [ "$2" = pack ]; then
diff --git a/ci/build-msys2.sh b/ci/build-msys2.sh
index c5a7da2800..cdfa8877dd 100755
--- a/ci/build-msys2.sh
+++ b/ci/build-msys2.sh
@@ -1,17 +1,16 @@
-#!/bin/sh -e
+#!/bin/bash -e
+
+. ./ci/build-common.sh
 
 args=(
-  --werror
-  -Dc_args='-Wno-error=deprecated -Wno-error=deprecated-declarations'
   -D{cdda,d3d-hwaccel,d3d11,dvdnav,jpeg,lcms2,libarchive}=enabled
   -D{libbluray,lua,shaderc,spirv-cross,uchardet,vapoursynth}=enabled
-  -D{libmpv,tests}=true
 )
 
 [[ "$SYS" != "mingw32" ]] && args+=(
   -D{egl-angle-lib,egl-angle-win32,pdf-build,rubberband,win32-smtc}=enabled
 )
 
-meson setup build "${args[@]}"
+meson setup build $common_args "${args[@]}"
 meson compile -C build
 ./build/mpv.com -v --no-config
diff --git a/ci/build-openbsd.sh b/ci/build-openbsd.sh
index 26550a7bdc..2c9533b5fc 100755
--- a/ci/build-openbsd.sh
+++ b/ci/build-openbsd.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 set -e
 
+. ./ci/build-common.sh
+
 # FFmpeg on openBSD (4.4.4) is too old; use a subproject
 rm -rf subprojects
 mkdir -p subprojects
@@ -19,16 +21,14 @@ libswresample = libswresample_dep
 libswscale = libswscale_dep
 EOF
 
-meson setup build \
-    -Dffmpeg:vulkan=auto \
-    -Dlibmpv=true \
-    -Dlua=enabled \
-    -Dopenal=enabled \
-    -Dpulse=enabled \
-    -Dtests=true \
-    -Dvulkan=enabled \
-    -Ddvdnav=enabled \
-    -Dcdda=enabled
-
+meson setup build $common_args \
+  -Dffmpeg:vulkan=auto \
+  -Dffmpeg:werror=false \
+  -Dlua=enabled \
+  -Dopenal=enabled \
+  -Dpulse=enabled \
+  -Dvulkan=enabled \
+  -Ddvdnav=enabled \
+  -Dcdda=enabled
 meson compile -C build
 ./build/mpv -v --no-config
diff --git a/ci/build-tumbleweed.sh b/ci/build-tumbleweed.sh
index 069372a21c..72e8dbd66e 100755
--- a/ci/build-tumbleweed.sh
+++ b/ci/build-tumbleweed.sh
@@ -1,18 +1,16 @@
 #!/bin/sh
 set -e
 
-meson setup build \
-  --werror        \
-  -Dc_args="-Wno-error=deprecated -Wno-error=deprecated-declarations" \
+. ./ci/build-common.sh
+
+meson setup build $common_args \
   -Db_sanitize=address,undefined \
-  -Dcdda=enabled          \
-  -Ddvbin=enabled         \
-  -Ddvdnav=enabled        \
-  -Dlibarchive=enabled    \
-  -Dlibmpv=true           \
+  -Dcdda=enabled \
+  -Ddvbin=enabled \
+  -Ddvdnav=enabled \
+  -Dlibarchive=enabled \
   -Dmanpage-build=enabled \
-  -Dpipewire=enabled      \
-  -Dtests=true            \
+  -Dpipewire=enabled \
   -Dvulkan=enabled
 meson compile -C build
 ./build/mpv -v --no-config