summarylogtreecommitdiffstats
path: root/PKGBUILD
blob: f3bb6b6931e269da859eb55ef1090818f1baa6ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
pkgname=clang15
pkgver=15.0.7
pkgrel=3
pkgdesc="C language family frontend for LLVM 15"
arch=('x86_64')
url="https://clang.llvm.org/"
license=('custom:Apache 2.0 with LLVM Exception')
depends=('llvm15-libs' 'gcc' 'compiler-rt15')
makedepends=('llvm15' 'cmake' 'ninja' 'python')
conflicts=('python-clang15')
optdepends=('openmp: OpenMP support in clang with -fopenmp'
            'python: python bindings'
            'llvm15: referenced by some clang headers')
checkdepends=('llvm')
_source_base=https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver
source=($_source_base/clang-$pkgver.src.tar.xz{,.sig}
        $_source_base/llvm-$pkgver.src.tar.xz{,.sig}
        $_source_base/cmake-$pkgver.src.tar.xz{,.sig}
        $pkgname-linker-wrapper-tool-r1.patch
        lit16.patch
        enable-fstack-protector-strong-by-default.patch)
sha256sums=('a6b673ef15377fb46062d164e8ddc4d05c348ff8968f015f7f4af03f51000067'
            'SKIP'
            '4ad8b2cc8003c86d0078d15d987d84e3a739f24aae9033865c027abae93ee7a4'
            'SKIP'
            '8986f29b634fdaa9862eedda78513969fe9788301c9f2d938f4c10a3e7a3e7ea'
            'SKIP'
            'f82449f41c8258f9ae13bd0c311e940711430d2c979eeb8255b36e0e63cda18c'
            '8c8e1a01d3a46b20a78eccec29904edca46caa2c15fb4e8998423098b482e1a2'
            '7a9ce949579a3b02d4b91b6835c4fb45adc5f743007572fb0e28e6433e48f3a5')
validpgpkeys=('474E22316ABF4785A88C6E8EA2C794A986419D8A') # Tom Stellard <tstellar@redhat.com>

# Utilizing LLVM_DISTRIBUTION_COMPONENTS to avoid
# installing static libraries; inspired by Gentoo
_get_distribution_components() {
  local target
  ninja -t targets | grep -Po 'install-\K.*(?=-stripped:)' | while read -r target; do
    case $target in
      clang-libraries|distribution)
        continue
        ;;
      # trim static analyzer and other bits
      bash-autocomplete|clang-format|clang-rename|hmaptool|scan-*)
        continue
        ;;
      clang|clang-*)
        ;;
      clang*|findAllSymbols)
        continue
        ;;
    esac
    echo $target
  done
}

prepare() {
  mv cmake{-$pkgver.src,}
  cd clang-$pkgver.src
  mkdir build
  patch -Np2 -i ../enable-fstack-protector-strong-by-default.patch

  # https://reviews.llvm.org/D145862
  patch -Np2 -l -i ../$pkgname-linker-wrapper-tool-r1.patch

  # Fix testing with lit from LLVM 16
  patch -Np2 -i ../lit16.patch

  # Remove a couple of failing tests
  rm test/Driver/XRay/xray-instrument-{cpu,os}.c
}

_python_optimize() {
  python -m compileall "$@"
  python -O -m compileall "$@"
  python -OO -m compileall "$@"
}

build() {
  cd clang-$pkgver.src/build

  # Build only minimal debug info to reduce size
  CFLAGS=${CFLAGS/-g /-g1 }
  CXXFLAGS=${CXXFLAGS/-g /-g1 }

  local cmake_args=(
    -G Ninja
    -DCMAKE_BUILD_TYPE=Release
    -DCMAKE_INSTALL_PREFIX=/usr/lib/llvm15
    -DCMAKE_SKIP_RPATH=ON
    -DCLANG_DEFAULT_PIE_ON_LINUX=ON
    -DCLANG_LINK_CLANG_DYLIB=ON
    -DENABLE_LINKER_BUILD_ID=ON
    -DLLVM_BUILD_TESTS=ON
    -DLLVM_CONFIG=/usr/lib/llvm15/bin/llvm-config
    -DLLVM_ENABLE_RTTI=ON
    -DLLVM_EXTERNAL_LIT=/usr/bin/lit
    -DLLVM_LINK_LLVM_DYLIB=ON
    -DLLVM_MAIN_SRC_DIR="$srcdir/llvm-$pkgver.src"
  )

  cmake .. "${cmake_args[@]}"
  local distribution_components=$(_get_distribution_components | paste -sd\;)
  test -n "$distribution_components"
  cmake_args+=(-DLLVM_DISTRIBUTION_COMPONENTS="$distribution_components")

  cmake .. "${cmake_args[@]}"
  ninja
}

check() {
  cd clang-$pkgver.src/build
  LD_LIBRARY_PATH=$PWD/lib ninja check-clang
}

package() {
  cd clang-$pkgver.src/build

  DESTDIR="$pkgdir" ninja install-distribution
  install -Dm644 ../LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"

  # Move scanbuild-py into site-packages and install Python bindings
  local site_packages=$(python -c "import site; print(site.getsitepackages()[0])")
  install -d "$pkgdir/$site_packages"
  #mv "$pkgdir"/usr/lib/libear "$pkgdir/$site_packages/libear15"
  #mv "$pkgdir"/usr/lib/libscanbuild "$pkgdir/$site_packages/libscanbuild15"
  cp -a ../bindings/python/clang "$pkgdir/$site_packages/clang15"


  mv "$pkgdir"/usr/lib/{llvm15/lib/,}libclang-cpp.so.15
  ln -s ../../libclang-cpp.so.15 "$pkgdir/usr/lib/llvm15/lib/libclang-cpp.so.15"
  ln -s llvm15/lib/libclang.so.15 "$pkgdir"/usr/lib/libclang.so.15

  # Compile Python scripts
  _python_optimize "$pkgdir/usr/share" "$pkgdir/$site_packages"
}


# vim:set ts=2 sw=2 et: