build with clang

1 files changed, 201 insertions, 96 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 6ff7fc7164cd..a2e529ad8464 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,127 +1,177 @@
 # Maintainer: xiota / aur.chaotic.cx
 
+# options
+: ${_autoupdate:=false}
+
+: ${_build_clang:=true}
+
+: ${_build_avx:=false}
+: ${_build_git:=false}
+
+[[ "${_build_avx::1}" == "t" ]] && _pkgtype+="-avx"
+[[ "${_build_git::1}" == "t" ]] && _pkgtype+="-git"
+
+# basic info
 _pkgname=flycast
-pkgname="$_pkgname"
+pkgname="$_pkgname${_pkgtype:-}"
 pkgver=2.2
-_tag="v${pkgver%%.r*}"
-pkgrel=1
-pkgdesc='A multi-platform Sega Dreamcast, Naomi and Atomiswave emulator'
-arch=('x86_64' 'i686')
+pkgrel=2
+pkgdesc='Sega Dreamcast, Naomi, and Atomiswave emulator'
 url="https://github.com/flyinghead/flycast"
-license=('GPL2')
-
-depends=(
-  'alsa-lib'
-  'hicolor-icon-theme'
-  'libgl'
-  'libzip'
-)
-makedepends=(
-  'cmake'
-  'git'
-  'python'
-  'systemd'
-)
-
-if [ x"$pkgname" == x"$_pkgname" ] ; then
-  # normal package
-  _pkgsrc="$_pkgname"
-  source+=(
-    "$_pkgsrc"::"git+$url.git#tag=$_tag"
+license=('GPL-2.0-only')
+arch=('x86_64' 'i686')
+
+# main package
+_main_package() {
+  depends=(
+    'alsa-lib'
+    'libgl'
+    'libzip'
   )
-  sha256sums+=(
-    'SKIP'
+  makedepends=(
+    'cmake'
+    'git'
+    'python'
   )
 
+  if [[ "${_build_clang::1}" == "t" ]] ; then
+    makedepends+=(
+      'clang'
+      'lld'
+      'llvm'
+    )
+  fi
+
+  if [ "${_build_git::1}" != "t" ] ; then
+    _main_stable
+  else
+    _main_git
+  fi
+
+  source+=("breakpad-disable.patch")
+  sha256sums+=('SKIP')
+
+  _source_flycast
+  #_source_vinniefalco_luabridge
+}
+
+# stable package
+_main_stable() {
+  _update_version
+
+  _pkgsrc="$_pkgname"
+  source+=("$_pkgsrc"::"git+$url.git#tag=v${_pkgver:?}")
+  sha256sums+=('SKIP')
+
   pkgver() {
-    echo "${pkgver%%.r*}"
+    echo "${_pkgver:?}"
   }
+}
 
-  prepare() {
-    _prepare_submodules_common
-    _prepare_common
-  }
-else
-  # git package
-  provides+=("$_pkgname")
+# git package
+_main_git() {
+  provides+=("$_pkgname=${pkgver%%.r*}")
   conflicts+=("$_pkgname")
 
   _pkgsrc="$_pkgname"
+  source+=("$_pkgsrc"::"git+$url.git")
+  sha256sums+=('SKIP')
+
+  pkgver() {
+    cd "$_pkgsrc"
+    git describe --long --tags --abbrev=8 --exclude='*[a-zA-Z][a-zA-Z]*' \
+      | sed -E 's/^[^0-9]*//;s/([^-]*-g)/r\1/;s/-/./g'
+  }
+}
+
+# submodules
+_source_flycast() {
   source+=(
-    "$_pkgsrc"::"git+$url.git"
+    'flyinghead.libchdr'::'git+https://github.com/flyinghead/libchdr.git'
+    'flyinghead.mingw-breakpad'::'git+https://github.com/flyinghead/mingw-breakpad.git'
+    'google.oboe'::'git+https://github.com/google/oboe.git'
+    'gpuopen-librariesandsdks.vulkanmemoryallocator'::'git+https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git'
+    'khronosgroup.glslang'::'git+https://github.com/KhronosGroup/glslang.git'
+    'khronosgroup.vulkan-headers'::'git+https://github.com/KhronosGroup/Vulkan-Headers.git'
+    'libsdl-org.sdl'::'git+https://github.com/libsdl-org/SDL.git'
+    'vinniefalco.luabridge'::'git+https://github.com/vinniefalco/LuaBridge.git'
+    'vkedwardli.spout2'::'git+https://github.com/vkedwardli/Spout2.git'
+    'vkedwardli.syphon-framework'::'git+https://github.com/vkedwardli/Syphon-Framework.git'
   )
   sha256sums+=(
     'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
+    'SKIP'
   )
 
-  pkgver() {
-    cd "$_pkgsrc"
-    git describe --long --tags | sed -E 's/^[Vv]//;s/([^-]*-g)/r\1/;s/-/./g'
-  }
+  _prepare_flycast() (
+    cd "${srcdir:?}/$_pkgsrc"
+    local -A _submodules=(
+      ['flyinghead.libchdr']='core/deps/libchdr'
+      ['flyinghead.mingw-breakpad']='core/deps/breakpad'
+      ['google.oboe']='core/deps/oboe'
+      ['gpuopen-librariesandsdks.vulkanmemoryallocator']='core/deps/VulkanMemoryAllocator'
+      ['khronosgroup.glslang']='core/deps/glslang'
+      ['khronosgroup.vulkan-headers']='core/deps/Vulkan-Headers'
+      ['libsdl-org.sdl']='core/deps/SDL'
+      ['vinniefalco.luabridge']='core/deps/luabridge'
+      ['vkedwardli.spout2']='core/deps/Spout'
+      ['vkedwardli.syphon-framework']='core/deps/Syphon'
+    )
+    _submodule_update
+  )
+}
 
-  prepare() {
-    _prepare_submodules_common
-    _prepare_submodules_git
-    _prepare_common
-  }
-fi
-
-source+=(
-  # common submodules
-  "SDL"::"git+https://github.com/libsdl-org/SDL"
-  "Vulkan-Headers"::"git+https://github.com/KhronosGroup/Vulkan-Headers"
-  "VulkanMemoryAllocator"::"git+https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator"
-  "breakpad"::"git+https://github.com/flyinghead/mingw-breakpad"
-  "glslang"::"git+https://github.com/KhronosGroup/glslang"
-  "libchdr"::"git+https://github.com/flyinghead/libchdr"
-  "luabridge"::"git+https://github.com/vinniefalco/LuaBridge"
-  "oboe"::"git+https://github.com/google/oboe"
-  'Spout'::'git+https://github.com/vkedwardli/Spout2'
-  'Syphon'::'git+https://github.com/vkedwardli/Syphon-Framework'
-)
-sha256sums+=(
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-  'SKIP'
-)
-
-_prepare_submodules_common() {
-  (
-    # submodules for flycast
-    cd "$_pkgsrc"
+_source_vinniefalco_luabridge() {
+  source+=(
+    'google.googletest'::'git+https://github.com/google/googletest.git'
+  )
+  sha256sums+=(
+    'SKIP'
+  )
+
+  _prepare_vinniefalco_luabridge() (
+    cd "${srcdir:?}/$_pkgsrc"
+    cd 'core/deps/luabridge'
     local -A _submodules=(
-      ['SDL']='core/deps/SDL'
-      ['Spout']='core/deps/Spout'
-      ['Syphon']='core/deps/Syphon'
-      ['Vulkan-Headers']='core/deps/Vulkan-Headers'
-      ['VulkanMemoryAllocator']='core/deps/VulkanMemoryAllocator'
-      ['breakpad']='core/deps/breakpad'
-      ['glslang']='core/deps/glslang'
-      ['libchdr']='core/deps/libchdr'
-      ['luabridge']='core/deps/luabridge'
-      ['oboe']='core/deps/oboe'
+      ['google.googletest']='third_party/gtest'
     )
-     for key in ${!_submodules[@]} ; do
+    _submodule_update
+  )
+}
+
+# common functions
+prepare() {
+  _submodule_update() {
+    local key;
+    for key in ${!_submodules[@]} ; do
       git submodule init "${_submodules[${key}]}"
       git submodule set-url "${_submodules[${key}]}" "${srcdir}/${key}"
       git -c protocol.file.allow=always submodule update "${_submodules[${key}]}"
     done
-  )
-}
+  }
 
-_prepare_submodules_git() {
-  : # submodules currently in sync
-}
+  apply-patch() {
+    if patch -Np1 -F100 --dry-run -i "$1" &>/dev/null ; then
+      printf '\nApplying patch: %s\n' "$1"
+      patch -Np1 -F100 -i "$1"
+    else
+      printf '\nPatch already applied: %s\n' "$1"
+    fi
+  }
+
+  _prepare_flycast
+  #_prepare_vinniefalco_luabridge
 
-_prepare_common() {
-  : # not currently needed
+  cd "$_pkgsrc"
+  apply-patch "$srcdir/breakpad-disable.patch"
 }
 
 build() {
@@ -129,11 +179,66 @@ build() {
     -B build
     -S "$_pkgsrc"
     -DCMAKE_INSTALL_PREFIX='/usr'
+    -DCMAKE_BUILD_TYPE=Release
+    -Wno-dev
   )
+
+  if [[ "${_build_clang::1}" == "t" ]] ; then
+    export AR=llvm-ar
+    export NM=llvm-nm
+
+    _cmake_options+=(
+      -DCMAKE_C_COMPILER=clang
+      -DCMAKE_CXX_COMPILER=clang++
+
+      -DCMAKE_EXE_LINKER_FLAGS_INIT="-fuse-ld=lld"
+      -DCMAKE_MODULE_LINKER_FLAGS_INIT="-fuse-ld=lld"
+      -DCMAKE_SHARED_LINKER_FLAGS_INIT="-fuse-ld=lld"
+
+      -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON
+      -DCMAKE_POLICY_DEFAULT_CMP0069=NEW
+    )
+  fi
+
+  if [[ "${_build_avx::1}" == "t" ]] ; then
+    export CFLAGS="$(echo "$CFLAGS" | sed -E 's@(\s*-(march|mtune)=\S+\s*)@ @g;s@\s*-O[0-9]\s*@ @g;s@\s+@ @g') -march=x86-64-v3 -mtune=skylake -O3"
+    export CXXFLAGS="$(echo "$CXXFLAGS" | sed -E 's@(\s*-(march|mtune)=\S+\s*)@ @g;s@\s*-O[0-9]\s*@ @g;s@\s+@ @g') -march=x86-64-v3 -mtune=skylake -O3"
+  fi
+
   cmake "${_cmake_options[@]}"
   cmake --build build
 }
 
 package() {
-  DESTDIR="${pkgdir:?}" cmake --install build
+  depends+=(
+    'hicolor-icon-theme'
+  )
+
+  DESTDIR="$pkgdir" cmake --install build
 }
+
+# update version
+_update_version() {
+  : ${_pkgver:=${pkgver%%.r*}}
+
+  if [[ "${_autoupdate::1}" != "t" ]] ; then
+    return
+  fi
+
+  local _response=$(curl -Ssf "$url/releases.atom")
+  local _tag=$(
+    printf '%s' "$_response" \
+      | grep '/releases/tag/' \
+      | sed -E 's@^.*/releases/tag/(.*)".*$@\1@' \
+      | grep -Ev '[a-z]{2}' | sort -V | tail -1
+  )
+  local _pkgver_new="${_tag#v}"
+
+  # update _pkgver
+  if [ "$_pkgver" != "${_pkgver_new:?}" ] ; then
+    _pkgver="${_pkgver_new:?}"
+  fi
+}
+
+# execute
+_main_package