summarylogtreecommitdiffstats
path: root/PKGBUILD
blob: fe102368ee6d24c0e94df163bacedcc1324feea5 (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
# Maintainer: Jacko Dirks <jacko dot dirks at gmail dot com>
# Contributor: Anatol Pomozov <anatol.pomozov@gmail.com>
# Contributor: Martin Schmölzer <mschmoelzer@gmail.com>

_target=riscv-none-elf
pkgname=$_target-gcc
pkgver=14.2.0
pkgrel=1
pkgdesc='The GNU Compiler Collection - cross compiler for RISC-V (bare-metal) target. Includes C++ nano build.'
arch=(x86_64)
url='https://gcc.gnu.org/'
license=(GPL LGPL FDL)
depends=($_target-binutils zlib libmpc libisl zstd)
makedepends=(gmp mpfr "$_target-newlib")
optdepends=("$_target-newlib: Standard C library optimized for embedded systems")
options=(!emptydirs !lto !strip)
conflicts=("${_target}-gcc-stage1")
replaces=("${_target}-gcc-stage1")
source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig})
sha512sums=('932bdef0cda94bacedf452ab17f103c0cb511ff2cec55e9112fc0328cbf1d803b42595728ea7b200e0a057c03e85626f937012e49a7515bc5dd256b2bf4bc396'
'SKIP')
validpgpkeys=(33C235A34C46AA3FFB293709A328C3A2C3C45C06  # Jakub Jelinek <jakub@redhat.com>
              D3A93CAD751C2AF4F8C7AD516C35B99309B5FA62  # Jakub Jelinek <jakub@redhat.com>
              13975A70E63C361C73AE69EF6EEB81F8981C74C7) # Richard Guenther <richard.guenther@gmail.com>
_basedir=gcc-$pkgver

prepare() {
  cd $_basedir

  echo $pkgver > gcc/BASE-VER

  mkdir "$srcdir"/build-gcc
  mkdir "$srcdir"/build-gcc-nano
}

_build_gcc() {
  "$srcdir"/$_basedir/configure \
    --target=$_target \
    --prefix=/usr \
    --with-sysroot=/usr/$_target \
    --with-native-system-header-dir=/include \
    --libexecdir=/usr/lib \
    --enable-languages=c,c++ \
    --enable-plugins \
    --disable-decimal-float \
    --disable-libffi \
    --disable-libgomp \
    --disable-libmudflap \
    --disable-libquadmath \
    --disable-libssp \
    --disable-libstdcxx-pch \
    --disable-nls \
    --disable-shared \
    --disable-threads \
    --disable-tls \
    --with-gnu-as \
    --with-gnu-ld \
    --with-system-zlib \
    --with-newlib \
    --with-headers=/usr/$_target/include \
    --with-python-dir=share/gcc-$_target \
    --with-gmp \
    --with-mpfr \
    --with-mpc \
    --with-isl \
    --with-libelf \
    --enable-gnu-indirect-function \
    --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'

  make
}

build() {
  # Credits @allanmcrae
  # https://github.com/allanmcrae/toolchain/blob/f18604d70c5933c31b51a320978711e4e6791cf1/gcc/PKGBUILD
  # TODO: properly deal with the build issues resulting from this
  CFLAGS=${CFLAGS/-Werror=format-security/}
  CXXFLAGS=${CXXFLAGS/-Werror=format-security/}

  cd "$srcdir"/build-gcc
  export CFLAGS_FOR_TARGET="-g -Os -pipe -ffunction-sections -fdata-sections"
  export CXXFLAGS_FOR_TARGET="-g -Os -pipe -ffunction-sections -fdata-sections"
  _build_gcc

  cd "$srcdir"/build-gcc-nano
  export CFLAGS_FOR_TARGET="-g -Oz -pipe -ffunction-sections -fdata-sections"
  export CXXFLAGS_FOR_TARGET="-g -Oz -pipe -fno-exceptions -ffunction-sections -fdata-sections"
  _build_gcc
}

package() {
  cd "$srcdir"/build-gcc
  make DESTDIR="$pkgdir" install -j1

  cd "$srcdir"/build-gcc-nano
  make DESTDIR="$pkgdir.nano" install -j1
  # we need only libstdc nano files
  multilibs=( $("$pkgdir"/usr/bin/$_target-gcc -print-multi-lib 2>/dev/null) )
  for multilib in "${multilibs[@]}"; do
    dir="${multilib%%;*}"
    from_dir="$pkgdir".nano/usr/$_target/lib/"$dir"
    to_dir="$pkgdir"/usr/$_target/lib/"$dir"
    cp -f "$from_dir"/libstdc++.a "$to_dir"/libstdc++_nano.a
    cp -f "$from_dir"/libsupc++.a "$to_dir"/libsupc++_nano.a
  done

  # strip host binaries
  find "$pkgdir"/usr/bin/ -type f -executable -exec strip '{}' \;

  # Remove files that conflict with host gcc package
  rm -r "$pkgdir"/usr/share/man/man7
  rm -r "$pkgdir"/usr/share/info
  rm "$pkgdir"/usr/lib/libcc1.*
}