From 7da97e6d803bca7837a0ddbf3a95be8a9662fac7 Mon Sep 17 00:00:00 2001
From: Ty Lamontagne <amfobes@gmail.com>
Date: Sat, 4 Oct 2025 14:56:30 -0400
Subject: [PATCH] cmake/ci: Allow gs runner builds without building all of
 pcsx2-qt

---
 .../linux/build-dependencies-runner.sh        | 195 ++++++++++++++++++
 CMakeLists.txt                                |   5 +-
 cmake/BuildParameters.cmake                   |   1 +
 cmake/SearchForStuff.cmake                    |  26 +--
 pcsx2-gsrunner/Main.cpp                       |   1 -
 5 files changed, 214 insertions(+), 14 deletions(-)
 create mode 100755 .github/workflows/scripts/linux/build-dependencies-runner.sh

diff --git a/.github/workflows/scripts/linux/build-dependencies-runner.sh b/.github/workflows/scripts/linux/build-dependencies-runner.sh
new file mode 100755
index 0000000000..5ad7eed33b
--- /dev/null
+++ b/.github/workflows/scripts/linux/build-dependencies-runner.sh
@@ -0,0 +1,195 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ "$#" -ne 1 ]; then
+    echo "Syntax: $0 <output directory>"
+    exit 1
+fi
+
+SCRIPTDIR=$(realpath $(dirname "${BASH_SOURCE[0]}"))
+INSTALLDIR="$1"
+if [ "${INSTALLDIR:0:1}" != "/" ]; then
+        INSTALLDIR="$PWD/$INSTALLDIR"
+fi
+
+FREETYPE=2.14.1
+HARFBUZZ=12.0.0
+LIBBACKTRACE=ad106d5fdd5d960bd33fae1c48a351af567fd075
+LIBPNG=1.6.50
+LIBWEBP=1.6.0
+SDL=SDL3-3.2.22
+LZ4=1.10.0
+ZSTD=1.5.7
+PLUTOVG=1.3.1
+PLUTOSVG=0.0.7
+
+SHADERC=2025.3
+SHADERC_GLSLANG=efd24d75bcbc55620e759f6bf42c45a32abac5f8
+SHADERC_SPIRVHEADERS=2a611a970fdbc41ac2e3e328802aed9985352dca
+SHADERC_SPIRVTOOLS=33e02568181e3312f49a3cf33df470bf96ef293a
+
+mkdir -p deps-build
+cd deps-build
+
+cat > SHASUMS <<EOF
+32427e8c471ac095853212a37aef816c60b42052d4d9e48230bab3bdf2936ccc  freetype-$FREETYPE.tar.xz
+c4a398539c3e0fdc9a82dfe7824d0438cae78c1e2124e7c6ada3dfa600cdb6c8  harfbuzz-$HARFBUZZ.tar.gz
+fd6f417fe9e3a071cf1424a5152d926a34c4a3c5070745470be6cf12a404ed79  $LIBBACKTRACE.zip
+4df396518620a7aa3651443e87d1b2862e4e88cad135a8b93423e01706232307  libpng-$LIBPNG.tar.xz
+e4ab7009bf0629fd11982d4c2aa83964cf244cffba7347ecd39019a9e38c4564  libwebp-$LIBWEBP.tar.gz
+f29d00cbcee273c0a54f3f32f86bf5c595e8823a96b1d92a145aac40571ebfcc  $SDL.tar.gz
+687ddc0c7cb128a3ea58e159b5129252537c27ede0c32a93f11f03127f0c0165  libpng-$LIBPNG-apng.patch.gz
+537512904744b35e232912055ccf8ec66d768639ff3abe5788d90d792ec5f48b  lz4-$LZ4.tar.gz
+eb33e51f49a15e023950cd7825ca74a4a2b43db8354825ac24fc1b7ee09e6fa3  zstd-$ZSTD.tar.gz
+a8e4a25e5c2686fd36981e527ed05e451fcfc226bddf350f4e76181371190937  shaderc-$SHADERC.tar.gz
+9427deccbdf4bde6a269938df38c6bd75247493786a310d8d733a2c82065ef47  shaderc-glslang-$SHADERC_GLSLANG.tar.gz
+c2225a49c3d7efa5c4f4ce4a6b42081e6ea3daca376f3353d9d7c2722d77a28a  shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz
+44d1005880c583fc00a0fb41c839214c68214b000ea8dcb54d352732fee600ff  shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz
+bea672eb96ee36c2cbeb911b9bac66dfe989b3ad9a9943101e00aeb2df2aefdb  plutovg-$PLUTOVG.tar.gz
+78561b571ac224030cdc450ca2986b4de915c2ba7616004a6d71a379bffd15f3  plutosvg-$PLUTOSVG.tar.gz
+EOF
+
+curl -L \
+        -o "freetype-$FREETYPE.tar.xz" "https://sourceforge.net/projects/freetype/files/freetype2/$FREETYPE/freetype-$FREETYPE.tar.xz/download" \
+        -o "harfbuzz-$HARFBUZZ.tar.gz" "https://github.com/harfbuzz/harfbuzz/archive/refs/tags/$HARFBUZZ.tar.gz" \
+        -O "https://github.com/ianlancetaylor/libbacktrace/archive/$LIBBACKTRACE.zip" \
+        -O "https://downloads.sourceforge.net/project/libpng/libpng16/$LIBPNG/libpng-$LIBPNG.tar.xz" \
+        -O "https://download.sourceforge.net/libpng-apng/libpng-$LIBPNG-apng.patch.gz" \
+        -O "https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-$LIBWEBP.tar.gz" \
+        -O "https://github.com/lz4/lz4/releases/download/v$LZ4/lz4-$LZ4.tar.gz" \
+        -O "https://libsdl.org/release/$SDL.tar.gz" \
+        -O "https://github.com/facebook/zstd/releases/download/v$ZSTD/zstd-$ZSTD.tar.gz" \
+        -o "shaderc-$SHADERC.tar.gz" "https://github.com/google/shaderc/archive/refs/tags/v$SHADERC.tar.gz" \
+        -o "shaderc-glslang-$SHADERC_GLSLANG.tar.gz" "https://github.com/KhronosGroup/glslang/archive/$SHADERC_GLSLANG.tar.gz" \
+        -o "shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Headers/archive/$SHADERC_SPIRVHEADERS.tar.gz" \
+        -o "shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz" "https://github.com/KhronosGroup/SPIRV-Tools/archive/$SHADERC_SPIRVTOOLS.tar.gz" \
+        -o "plutovg-$PLUTOVG.tar.gz" "https://github.com/sammycage/plutovg/archive/v$PLUTOVG.tar.gz" \
+        -o "plutosvg-$PLUTOSVG.tar.gz" "https://github.com/sammycage/plutosvg/archive/v$PLUTOSVG.tar.gz"
+
+shasum -a 256 --check SHASUMS
+
+echo "Building libbacktrace..."
+rm -fr "libbacktrace-$LIBBACKTRACE"
+unzip "$LIBBACKTRACE.zip"
+cd "libbacktrace-$LIBBACKTRACE"
+./configure --prefix="$INSTALLDIR"
+make
+make install
+cd ..
+
+echo "Building libpng..."
+rm -fr "libpng-$LIBPNG"
+tar xf "libpng-$LIBPNG.tar.xz"
+gunzip -d -f "libpng-$LIBPNG-apng.patch.gz"
+cd "libpng-$LIBPNG"
+patch -p1 < "../libpng-$LIBPNG-apng.patch"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DBUILD_SHARED_LIBS=ON -DPNG_TESTS=OFF -DPNG_STATIC=OFF -DPNG_SHARED=ON -DPNG_TOOLS=OFF -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building LZ4..."
+rm -fr "lz4-$LZ4"
+tar xf "lz4-$LZ4.tar.gz"
+cd "lz4-$LZ4"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DLZ4_BUILD_CLI=OFF -DLZ4_BUILD_LEGACY_LZ4C=OFF -B build-dir -G Ninja build/cmake
+cmake --build build-dir --parallel
+ninja -C build-dir install
+cd ..
+
+echo "Building Zstandard..."
+rm -fr "zstd-$ZSTD"
+tar xf "zstd-$ZSTD.tar.gz"
+cd "zstd-$ZSTD"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DZSTD_BUILD_SHARED=ON -DZSTD_BUILD_STATIC=OFF -DZSTD_BUILD_PROGRAMS=OFF -B build -G Ninja build/cmake
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building FreeType without HarfBuzz..."
+rm -fr "freetype-$FREETYPE"
+tar xf "freetype-$FREETYPE.tar.xz"
+cd "freetype-$FREETYPE"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DFT_REQUIRE_ZLIB=ON -DFT_REQUIRE_PNG=ON -DFT_DISABLE_BZIP2=TRUE -DFT_DISABLE_BROTLI=TRUE -DFT_DISABLE_HARFBUZZ=TRUE -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building HarfBuzz..."
+rm -fr "harfbuzz-$HARFBUZZ"
+tar xf "harfbuzz-$HARFBUZZ.tar.gz"
+cd "harfbuzz-$HARFBUZZ"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DHB_BUILD_UTILS=OFF -DHB_HAVE_FREETYPE=ON -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building WebP..."
+rm -fr "libwebp-$LIBWEBP"
+tar xf "libwebp-$LIBWEBP.tar.gz"
+cd "libwebp-$LIBWEBP"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -B build -G Ninja \
+  -DWEBP_BUILD_ANIM_UTILS=OFF -DWEBP_BUILD_CWEBP=OFF -DWEBP_BUILD_DWEBP=OFF -DWEBP_BUILD_GIF2WEBP=OFF -DWEBP_BUILD_IMG2WEBP=OFF \
+  -DWEBP_BUILD_VWEBP=OFF -DWEBP_BUILD_WEBPINFO=OFF -DWEBP_BUILD_WEBPMUX=OFF -DWEBP_BUILD_EXTRAS=OFF -DBUILD_SHARED_LIBS=ON
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building FreeType with HarfBuzz..."
+rm -fr "freetype-$FREETYPE"
+tar xf "freetype-$FREETYPE.tar.xz"
+cd "freetype-$FREETYPE"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DFT_REQUIRE_ZLIB=ON -DFT_REQUIRE_PNG=ON -DFT_DISABLE_BZIP2=TRUE -DFT_DISABLE_BROTLI=TRUE -DFT_REQUIRE_HARFBUZZ=TRUE -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building SDL..."
+rm -fr "$SDL"
+tar xf "$SDL.tar.gz"
+cd "$SDL"
+cmake -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DSDL_SHARED=ON -DSDL_STATIC=OFF -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building PlutoVG..."
+rm -fr "plutovg-$PLUTOVG"
+tar xf "plutovg-$PLUTOVG.tar.gz"
+cd "plutovg-$PLUTOVG"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DPLUTOVG_BUILD_EXAMPLES=OFF -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building PlutoSVG..."
+rm -fr "plutosvg-$PLUTOSVG"
+tar xf "plutosvg-$PLUTOSVG.tar.gz"
+cd "plutosvg-$PLUTOSVG"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DBUILD_SHARED_LIBS=ON -DPLUTOSVG_ENABLE_FREETYPE=ON -DPLUTOSVG_BUILD_EXAMPLES=OFF -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Building shaderc..."
+rm -fr "shaderc-$SHADERC"
+tar xf "shaderc-$SHADERC.tar.gz"
+cd "shaderc-$SHADERC"
+cd third_party
+tar xf "../../shaderc-glslang-$SHADERC_GLSLANG.tar.gz"
+mv "glslang-$SHADERC_GLSLANG" "glslang"
+tar xf "../../shaderc-spirv-headers-$SHADERC_SPIRVHEADERS.tar.gz"
+mv "SPIRV-Headers-$SHADERC_SPIRVHEADERS" "spirv-headers"
+tar xf "../../shaderc-spirv-tools-$SHADERC_SPIRVTOOLS.tar.gz"
+mv "SPIRV-Tools-$SHADERC_SPIRVTOOLS" "spirv-tools"
+cd ..
+patch -p1 < "$SCRIPTDIR/../common/shaderc-changes.patch"
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$INSTALLDIR" -DCMAKE_INSTALL_PREFIX="$INSTALLDIR" -DSHADERC_SKIP_TESTS=ON -DSHADERC_SKIP_EXAMPLES=ON -DSHADERC_SKIP_COPYRIGHT_CHECK=ON -B build -G Ninja
+cmake --build build --parallel
+ninja -C build install
+cd ..
+
+echo "Cleaning up..."
+cd ..
+rm -r deps-build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 63387a52cb..fb0136d3a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,7 +47,10 @@ add_subdirectory(common)
 
 # make pcsx2
 add_subdirectory(pcsx2)
-add_subdirectory(pcsx2-qt)
+
+if(ENABLE_QT_UI)
+	add_subdirectory(pcsx2-qt)
+endif()
 
 # Updater is Windows only for now.
 if (WIN32)
diff --git a/cmake/BuildParameters.cmake b/cmake/BuildParameters.cmake
index e551edae2a..8178d2e956 100644
--- a/cmake/BuildParameters.cmake
+++ b/cmake/BuildParameters.cmake
@@ -7,6 +7,7 @@ include(GNUInstallDirs)
 # Misc option
 #-------------------------------------------------------------------------------
 option(ENABLE_TESTS "Enables building the unit tests" ON)
+option(ENABLE_QT_UI "Enables building the PCSX2 Qt interface." ON)
 option(ENABLE_GSRUNNER "Enables building the GSRunner by default.  It can still be built with `make pcsx2-gsrunner` otherwise." OFF)
 option(LTO_PCSX2_CORE "Enable LTO/IPO/LTCG on the subset of pcsx2 that benefits most from it but not anything else")
 option(USE_VTUNE "Plug VTUNE to profile GS JIT.")
diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
index 91c83a2ad7..d7131a3b35 100644
--- a/cmake/SearchForStuff.cmake
+++ b/cmake/SearchForStuff.cmake
@@ -107,10 +107,21 @@ disable_compiler_warnings_for_target(cubeb)
 disable_compiler_warnings_for_target(speex)
 
 # Find the Qt components that we need.
-find_package(Qt6 6.7.3 COMPONENTS CoreTools Core GuiTools Gui WidgetsTools Widgets LinguistTools REQUIRED)
+if(ENABLE_QT_UI)
+	find_package(Qt6 6.7.3 COMPONENTS CoreTools Core GuiTools Gui WidgetsTools Widgets LinguistTools REQUIRED)
 
-if(WIN32)
-  add_subdirectory(3rdparty/rainterface EXCLUDE_FROM_ALL)
+	if(WIN32)
+		add_subdirectory(3rdparty/rainterface EXCLUDE_FROM_ALL)
+	endif()
+
+	# The docking system for the debugger.
+	find_package(KDDockWidgets-qt6 2.0.0 REQUIRED)
+	# Add an extra include path to work around a broken include directive.
+	# TODO: Remove this the next time we update KDDockWidgets.
+	get_target_property(KDDOCKWIDGETS_INCLUDE_DIRECTORY KDAB::kddockwidgets INTERFACE_INCLUDE_DIRECTORIES)
+	target_include_directories(KDAB::kddockwidgets INTERFACE
+		${KDDOCKWIDGETS_INCLUDE_DIRECTORY}/kddockwidgets
+	)
 endif()
 
 # Demangler for the debugger.
@@ -119,15 +130,6 @@ add_subdirectory(3rdparty/demangler EXCLUDE_FROM_ALL)
 # Symbol table parser.
 add_subdirectory(3rdparty/ccc EXCLUDE_FROM_ALL)
 
-# The docking system for the debugger.
-find_package(KDDockWidgets-qt6 2.0.0 REQUIRED)
-# Add an extra include path to work around a broken include directive.
-# TODO: Remove this the next time we update KDDockWidgets.
-get_target_property(KDDOCKWIDGETS_INCLUDE_DIRECTORY KDAB::kddockwidgets INTERFACE_INCLUDE_DIRECTORIES)
-target_include_directories(KDAB::kddockwidgets INTERFACE
-	${KDDOCKWIDGETS_INCLUDE_DIRECTORY}/kddockwidgets
-)
-
 # Architecture-specific.
 if(_M_X86)
 	add_subdirectory(3rdparty/zydis EXCLUDE_FROM_ALL)
diff --git a/pcsx2-gsrunner/Main.cpp b/pcsx2-gsrunner/Main.cpp
index 9242821f4b..f664397e66 100644
--- a/pcsx2-gsrunner/Main.cpp
+++ b/pcsx2-gsrunner/Main.cpp
@@ -49,7 +49,6 @@
 
 // Down here because X11 has a lot of defines that can conflict
 #if defined(__linux__)
-#include <SDL2/SDL.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <sys/select.h>