summarylogtreecommitdiffstats
path: root/PKGBUILD
blob: 2013d3810d6d0a899dd3e02b2ed08d7e0dc0c051 (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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
# $Id: PKGBUILD 118950 2014-09-14 08:30:52Z heftig $
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Jan de Groot <jgc@archlinux.org>
# Contributor: Allan McRae <allan@archlinux.org>
# x32 Maintainer: Fantix King <fantix.king@gmail.com>

# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc

_pkgbasename=glibc
pkgname=libx32-$_pkgbasename
pkgver=2.20
pkgrel=2.1
pkgdesc="GNU C Library (x32 ABI)"
arch=('x86_64')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=()
depends=()
makedepends=('gcc-multilib-x32>=4.9')
backup=()
conflicts=('glibc-x32-seed')
provides=('glibc-x32-seed')


options=('!strip' 'staticlibs' '!emptydirs')

source=(http://ftp.gnu.org/gnu/libc/${_pkgbasename}-${pkgver}.tar.xz{,.sig}
	glibc-2.20-getifaddrs_internal-segfault.patch
	glibc-2.20-linux-3.16-additions.patch
	glibc-2.20-do_ftell_wide-memleak.patch
        libx32-glibc.conf)
md5sums=('948a6e06419a01bd51e97206861595b0'
         'SKIP'
         '1c5d5c2017445c75dbc5c6d0c1e45ddb'
         '8f1059f431b842e54b12bde689620df8'
         'b50feeab78fa6ce0a8cfb41ee8dc1fd8'
         '34a4169d2bdc5a3eb83676a0831aae57')

prepare() {
  cd ${srcdir}/glibc-${pkgver}

  # fix segfault in getifaddrs_internal
  # https://sourceware.org/ml/libc-alpha/2014-09/msg00312.html
  patch -p1 -i $srcdir/glibc-2.20-getifaddrs_internal-segfault.patch
  
  # linux 3.16 additions - commit 0bd72468
  patch -p1 -i $srcdir/glibc-2.20-linux-3.16-additions.patch
  
  # plug memory leak - commit 984c0ea9
  patch -p1 -i $srcdir/glibc-2.20-do_ftell_wide-memleak.patch

  mkdir ${srcdir}/glibc-build
}

build() {
  cd ${srcdir}/glibc-build

  #if [[ ${CARCH} = "i686" ]]; then
    # Hack to fix NPTL issues with Xen, only required on 32bit platforms
    # TODO: make separate glibc-xen package for i686
    #export CFLAGS="${CFLAGS} -mno-tls-direct-seg-refs"
  #fi

  if [ -x "/opt/gcc-x32-seed/bin/gcc" ]; then
    echo "Using gcc-x32-seed"
    gcc_home=`ls -d /opt/gcc-x32-seed/lib/gcc/x86_64-unknown-linux-gnu/*/`
    export CC="/opt/gcc-x32-seed/bin/gcc -mx32 -B"${gcc_home}
    export CXX="/opt/gcc-x32-seed/bin/g++ -mx32 -B"${gcc_home}
  else
    echo "Using gcc-multilib-x32"
    export CC="gcc -mx32"
    export CXX="g++ -mx32"
  fi
  echo "slibdir=/usr/libx32" >> configparms
  echo "rtlddir=/usr/libx32" >> configparms
  echo "sbindir=/usr/bin" >> configparms
  echo "rootsbindir=/usr/bin" >> configparms

  # remove hardening options for building libraries
  CFLAGS=${CFLAGS/-fstack-protector-strong/}
  CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}

  ${srcdir}/${_pkgbasename}-${pkgver}/configure --prefix=/usr \
      --libdir=/usr/libx32 --libexecdir=/usr/libx32 \
      --with-headers=/usr/include \
      --with-bugurl=https://bugs.archlinux.org/ \
      --enable-add-ons \
      --enable-obsolete-rpc \
      --enable-kernel=2.6.32 \
      --enable-bind-now --disable-profile \
      --enable-stackguard-randomization \
      --enable-lock-elision \
      --target=x86_64-x32-linux --build=x86_64-linux --host=x86_64-x32-linux \
      --enable-multi-arch x86_64-x32-linux

  # build libraries with hardening disabled
  echo "build-programs=no" >> configparms
  make

  # re-enable hardening for programs
  sed -i "/build-programs=/s#no#yes#" configparms
  echo "CC += -fstack-protector-strong -D_FORTIFY_SOURCE=2" >> configparms
  echo "CXX += -fstack-protector-strong -D_FORTIFY_SOURCE=2" >> configparms
  make

  # remove harding in preparation to run test-suite
  sed -i '5,7d' configparms
}

check() {
  # the linker commands need to be reordered - fixed in 2.19
  LDFLAGS=${LDFLAGS/--as-needed,/}

  cd ${srcdir}/glibc-build

  if [ -x "/opt/gcc-x32-seed/bin/gcc" ]; then
    make check || true
  else
    # tst-cleanupx4 failure on i686 is "expected"
    make check || true
  fi
}

package() {
  cd ${srcdir}/glibc-build
  make install_root=${pkgdir} install

  rm -rf ${pkgdir}/{etc,sbin,usr/{bin,sbin,share},var}

  # We need one x32 ABI specific header file
  find ${pkgdir}/usr/include -type f -not -name stubs-x32.h -delete


  # Dynamic linker
  mkdir ${pkgdir}/usr/lib
  ln -s ../libx32/ld-linux-x32.so.2 ${pkgdir}/usr/lib/

  # Add libx32 paths to the default library search path
  install -Dm644 "$srcdir/libx32-glibc.conf" "$pkgdir/etc/ld.so.conf.d/libx32-glibc.conf"

  # Symlink /usr/libx32/locale to /usr/lib/locale
  ln -s ../lib/locale "$pkgdir/usr/libx32/locale"

  # remove the static libraries that have a shared counterpart
  # libc, libdl, libm and libpthread are required for toolchain testsuites
  # in addition libcrypt appears widely required
  rm $pkgdir/usr/libx32/lib{anl,BrokenLocale,nsl,resolv,rt,util}.a

  # Do not strip the following files for improved debugging support
  # ("improved" as in not breaking gdb and valgrind...):
  #   ld-${pkgver}.so
  #   libc-${pkgver}.so
  #   libpthread-${pkgver}.so
  #   libthread_db-1.0.so

  cd $pkgdir
  strip $STRIP_BINARIES \
                        \
                        \
                        usr/libx32/getconf/*


  strip $STRIP_STATIC usr/libx32/*.a

  strip $STRIP_SHARED usr/libx32/{libanl,libBrokenLocale,libcidn,libcrypt}-*.so \
                      usr/libx32/libnss_{compat,db,dns,files,hesiod,nis,nisplus}-*.so \
                      usr/libx32/{libdl,libm,libnsl,libresolv,librt,libutil}-*.so \
                      usr/libx32/{libmemusage,libpcprofile,libSegFault}.so \
                      usr/libx32/{audit,gconv}/*.so

  # Fix issue that core/glibc didn't fix the path to /lib/ld-linux-x32.so.2
  ln -s /usr/lib ${pkgdir}/libx32
}