summaryrefslogtreecommitdiff
path: root/libraries/atlas/atlas.SlackBuild
blob: 83adc39b10adf280830805d3cfd47750047d03a3 (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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
#!/bin/sh

# Slackware build script for ATLAS

# Copyright 2010 Serban Udrea <s.udrea@gsi.de>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification,
# is permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

PRGNAM=atlas
VERSION=${VERSION:-3.8.3}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
  BITSize="32" # Specifically for ATLAS
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
  BITSize="32" # Specifically for ATLAS
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  BITSize="64" # Specifically for ATLAS
fi

# You may change this to adjust the maximal size IN BYTES(!) that ATLAS
# is allowed to allocate. According to the ATLAS errata, a too small
# value may strongly reduce threaded performance. The default value
# here is 256MB. (The default value in the ATLAS source is 64MB.)
#
MAX_MALLOC=${MAX_MALLOC:-268435456}

# If you don't want to use architectural defaults set the following to 
# something like "no".
USE_ARCH_DEFAULTS=${USE_ARCH_DEFAULTS:-yes}

# The path to a reference BLAS library. By default it is assumed that you 
# have installed the netlib BLAS reference using the appropriate slackbuild 
# from slackbuilds.org.  If this is not the case, you have to run this script 
# with another value for REF_BLAS.
REF_BLAS=${REF_BLAS:-/usr/lib${LIBDIRSUFFIX}/libblas.a}

# Let's do a little check (that we deal with a regular file we can read).
[ -f "$REF_BLAS" -a -r "$REF_BLAS" ] || \
{ echo "ERROR: Wrong path to reference BLAS library, exiting! " && exit 1; }

# This is the system destination directory. When installing the
# package produced by this script, ATLAS's files will be written to
# $SYS_DESTDIR/include, $SYS_DESTDIR/include/atlas, $SYS_DESTDIR/lib
# or $SYS_DESTDIR/lib64 ond appropriate platforms, etc.
# Nevertheless, by default the documentation files go to
# /usr/doc/$PRGNAM-$VERSION. You may change this through the variable
# DEFAULT_DOCS, see below.
#
SYS_DESTDIR=${SYS_DESTDIR:-/usr}

# Check if SYS_DESTDIR is an absolute path. If not, exit with error.
# NOTE: The $ is used because echo adds a \n at the end of the string.
echo $SYS_DESTDIR | grep -vE '/\.\./|/\.\.$' | grep -qE '^/' || \
{ echo "ERROR: The system destination directory has no absolute path!" \
&& echo "       The value of SYS_DESTDIR is $SYS_DESTDIR" \
&& echo "       Please set it properly! " \
&& exit 1; }

# You may want to have the documentation files installed under
# $SYS_DESTDIR/doc/$PRGNAM-$VERSION not /usr/doc/$PRGNAM-$VERSION.
# To achieve this just set the following variable to something like
# "no".
#
DEFAULT_DOCS=${DEFAULT_DOCS:-yes}

# The build directory to be created within the source directory of
# ATLAS.
BLDdir=BuildDir

# Get the CPU frequency for good timing.
CPU_FREQ="$(cat /proc/cpuinfo |grep "cpu MHz"| head -n 1| cut -d ":" -s -f2| tr -d [:blank:])"

set -e # Exit on most errors

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/${PRGNAM}${VERSION}.tar.bz2
mv ATLAS $PRGNAM-$VERSION
cd $PRGNAM-$VERSION

chown -R root:root .

find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Make changes as suggested in the atlas errata.
cat $CWD/atlas.patch | sed -e s%XXX_MaxMalloc_XXX%$MAX_MALLOC% | patch -p1

# If architectural defaults are to be used, copy the file mentioned in the errata
# to the architectural defaults directory.
case "$USE_ARCH_DEFAULTS" in
  [yY]|[yY][eE]|[yY][eE][sS]) cp "$CWD/AMD64K10h64SSE3.tgz" CONFIG/ARCHS; USE_ARCH_DEFAULTS="1" ;;
                           *) USE_ARCH_DEFAULTS="0" ;;
esac

mkdir -p $BLDdir
cd $BLDdir

# Configure atlas.
# IMPORTANT: Here we assume that we are on a x86 machine (be it 32 or 64 bits)
#            and gcc or icc is the compiler to be used. This should be presently
#            a reasonable assumption with Slackware. Under other circumstances
#            "-DPentiumCPS=$CPU_FREQ" has to be exchanged with "-DWALL".
#
../configure -Si cputhrchk 0 -Si archdef "$USE_ARCH_DEFAULTS" -b "$BITSize" -D c \
-DPentiumCPS="$CPU_FREQ" -Fa alg -fPIC

# NOTES ON THE FLAGS FOR CONFIGURE
#
# -Si cputhrchk 0 means that configure actually does not care about CPU
# throttling. This is to avoid false positives. Thus the full responsibility
# stays now with the user of the script.
# -Si archdef "$USE_ARCH_DEFAULTS" means that we ignore or not architectural defaults depending
#   upon the value of "$USE_ARCH_DEFAULTS".
# -b "$BITSize" tells ATLAS about the platform's bitsize, 32 or 64.
# -D c -DPentiumCPS="$CPU_FREQ" is for achieving good timing on x86 platforms with gcc or icc.
# -Fa alg -fPIC is for beeing able to create dynamic libs too.

# The next two variables are set and their values are finally saved
# for using them to compile lapack.
# Remember the compiler name.
ATLAS_COMPILER="$(grep "F77 =" Make.inc | cut -d "=" -f1 --complement)"

# Remember the fortran compilation flags.
ATLAS_F77FLAGS="$(grep "F77FLAGS =" Make.inc | cut -d "=" -f1 --complement)"

# Set the path to the reference BLAS.
sed -i -e '/^ \+BLASlib/s%BLASlib = .*%BLASlib = '"$REF_BLAS"% \
         Make.inc

make
make check

# If parallel libraries have been compiled check them too.
if [ -f lib/libptcblas.a ]; then
  make ptcheck
  PARALLEL_LIBS="yes" # We will use this when creating dynamic libs.
fi

# Install the static libs created during the build process.
make install DESTDIR=$PKG$SYS_DESTDIR

# Go to the ATLAS $BLDdir/lib directory and try to create and install
# the dynamic libraries.
# NOTE: The test for the presence of static parallel libs and the command to actually build the
#       shared parallel libs are connected by a logical OR to make sure that the subshell
#       does not exit with non-zero error code just because static parallel libs didn't
#       get built. Therefore the test is successful if the variable PARALLEL_LIBS is unset or
#       empty, i.e. when no static parallel libs got built.
( cd lib && make shared && \
  { [ "${PARALLEL_LIBS}1" = "1" ] || make ptshared; } && \
  cp -p *.so "$PKG$SYS_DESTDIR/lib"
)

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# This is probably the easiest way to make sure that we install in the
# proper place.
if [ ! -z $LIBDIRSUFFIX ]; then
  mv $PKG$SYS_DESTDIR/lib $PKG$SYS_DESTDIR/lib${LIBDIRSUFFIX}
fi

# Create the doc directory for atlas and populate it.
case "$DEFAULT_DOCS" in
 [nN]|[nN][oO]) DOC_DIR="$PKG$SYS_DESTDIR/doc/$PRGNAM-$VERSION" ;;
             *) DOC_DIR="$PKG/usr/doc/$PRGNAM-$VERSION" ;;
esac

mkdir -p $DOC_DIR
cp -a ../INSTALL.txt ../README ../doc $DOC_DIR

# The following makefiles may be needed to merge atlas and lapack.
mkdir $DOC_DIR/MAKEFILES
cp -p Make.inc $DOC_DIR/MAKEFILES
cp -p lib/Makefile $DOC_DIR/MAKEFILES/Makefile.lib

# Create a file with the build flags for atlas. Needed to merge
# ATLAS and LAPACK. The LAPACK SlackBuild will just have to source
# this file to find out the compiler used for ATLAS and the build
# flags.
echo "ATLAS_COMPILER=\"$ATLAS_COMPILER\"" > "$DOC_DIR/SETTINGS"
echo "ATLAS_F77FLAGS=\"$ATLAS_F77FLAGS\"" >> "$DOC_DIR/SETTINGS"
sed -i -e s'%=" %="%' "$DOC_DIR/SETTINGS" # Remove the extra space after the "=" sign
echo "ATLAS_NOOPT=\"-O0\" #Eventually add more options within the quotes." >> "$DOC_DIR/SETTINGS"

# Add the Slackbuild script and README.SLACKWARE to the docs.
cat $CWD/$PRGNAM.SlackBuild > $DOC_DIR/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $DOC_DIR/README.SLACKWARE

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd "$PKG"
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}