build-lapack.sh

#!/bin/bash
#
# lapack build
#

### FUNCTIONS ###

#
# custom basename
_basename()
{
 typeset root="$1"

 awk -vroot=$root '
{
  rootlen = length(root)
  base = substr($0, rootlen + 2, length($0) - rootlen)

  if (length(base) != 0) { print base; }
}
'
}

_bulk_ln()
{
 typeset root="$1"
 typeset target="$2"

 awk -vroot=$root -vtarget=$target '
BEGIN { cnt = 0; }
{
  rootlen = length(root)
  base = substr($0, rootlen + 2, length($0) - rootlen)

  if (length(base) != 0)
  {
    print "ln -sf " $0 " "target "/" base " &&";
    cnt = cnt + 1;
#    if (cnt % 100 == 0) { print "echo success for " cnt; }
  }
}
END { print " echo Created: for " cnt " links" ; }
'
}

#
# debug / more informational echo
#
decho()
{
  echo "lapack: $*"
}

### ENV ###

id="lapack"
buildid="${id}.${RANDOM}"
projectdir="${GPAW}"
src="${projectdir}/source/${id}"
target="${projectdir}/build/${id}"
install="${projectdir}/software"

### MAIN ###

# Sanity checks
[ ! -d "${projectdir}" ] && { echo "Project directory invalid: ${projectdir}"; exit 1; }
[ ! -d "${src}" ] && { echo "Source directory invalid: ${src}"; exit 1; }
[ ! -d "${target}" ] && { mkdir -p "${target}" || exit 1; }

# Actual main
# make links for files and re-create directories in build directory

allDirs=$(find $src  -type d | _basename ${src} )

cd ${target} || { echo "Failed changing directory to target: ${target}"; return 1; }
pwd
mkdir -p ${allDirs}

# Create symlinks for all files
find $src -type f | awk '
   !/\.git/&&!/\.out$/&&!/\.o$/&&!/\.a$/
' | _bulk_ln $src $target | sh
rc=$?

[ $rc -ne 0 ] && { echo "failed creating links"; exit 1; }

echo "Creating make.inc"
pwd

ln -sf make.inc.example make.inc

[ -f "makefile.orig" ] && ls -lt makefile.orig
ls -lt makefile

echo "Starting at :"$(date)

log="/tmp/blaslib.${buildid}.log"
make blaslib > ${log} 2>&1
rc_blaslib=$?

[ "$rc_blaslib" -ne 0 ] &&
{
 cat "${log}"
 rm "${log}"
 echo
 echo "make blas lib failed with return code: $make_rc"
 exit $make_rc
}

log="/tmp/lib.${buildid}.log"
make lib  > ${log} 2>&1
rc_lib=$?

[ "$rc_lib" -ne 0 ] &&
{
 cat "${log}"
 rm "${log}"
 echo
 echo "make lib failed with return code: $make_rc"
 exit $make_rc
}

log="/tmp/lapackinstall.${buildid}.log"
make lapack_install  > ${log} 2>&1
rc_lapackinstall=$?

[ "$rc_lapackinstall" -ne 0 ] &&
{
 cat "${log}"
 rm "${log}"
 echo
 echo "make lapack_install failed with return code: $make_rc"
 exit $make_rc
}

libs="./liblapack.a
./librefblas.a
./libtmglib.a
"

# There is no "make install" in lapack (.......!)
for lib in $libs
do
 echo "Installing $lib"
 cp "$lib" "$install/lib" || { rc=$?; echo "Failed copying $lib: return code = $rc"; exit $rc; }
 ls -lt "${install}/lib/${lib}"
done

### EOF ###