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#!/bin/sh
#
# ZLIB compilation script for the OS/400.
#
#
# This is a shell script since make is not a standard component of OS/400.
################################################################################
#
# Tunable configuration parameters.
#
################################################################################
TARGETLIB='ZLIB' # Target OS/400 program library
STATBNDDIR='ZLIB_A' # Static binding directory.
DYNBNDDIR='ZLIB' # Dynamic binding directory.
SRVPGM="ZLIB" # Service program.
IFSDIR='/zlib' # IFS support base directory.
TGTCCSID='500' # Target CCSID of objects
DEBUG='*NONE' # Debug level
OPTIMIZE='40' # Optimisation level
OUTPUT='*NONE' # Compilation output option.
TGTRLS='V6R1M0' # Target OS release
export TARGETLIB STATBNDDIR DYNBNDDIR SRVPGM IFSDIR
export TGTCCSID DEBUG OPTIMIZE OUTPUT TGTRLS
################################################################################
#
# OS/400 specific definitions.
#
################################################################################
LIBIFSNAME="/QSYS.LIB/${TARGETLIB}.LIB"
################################################################################
#
# Procedures.
#
################################################################################
# action_needed dest [src]
#
# dest is an object to build
# if specified, src is an object on which dest depends.
#
# exit 0 (succeeds) if some action has to be taken, else 1.
action_needed()
{
[ ! -e "${1}" ] && return 0
[ "${2}" ] || return 1
[ "${1}" -ot "${2}" ] && return 0
return 1
}
# make_module module_name source_name [additional_definitions]
#
# Compile source name into module if needed.
# As side effect, append the module name to variable MODULES.
# Set LINK to "YES" if the module has been compiled.
make_module()
{
MODULES="${MODULES} ${1}"
MODIFSNAME="${LIBIFSNAME}/${1}.MODULE"
CSRC="`basename \"${2}\"`"
if action_needed "${MODIFSNAME}" "${2}"
then :
elif [ ! "`sed -e \"/<source name=\\\"${CSRC}\\\">/,/<\\\\/source>/!d\" \
-e '/<depend /!d' \
-e 's/.* name=\"\\([^\"]*\\)\".*/\\1/' < \"${TOPDIR}/treebuild.xml\" |
while read HDR
do if action_needed \"${MODIFSNAME}\" \"${IFSDIR}/include/${HDR}\"
then echo recompile
break
fi
done`" ]
then return 0
fi
CMD="CRTCMOD MODULE(${TARGETLIB}/${1}) SRCSTMF('${2}')"
CMD="${CMD} SYSIFCOPT(*IFS64IO) OPTION(*INCDIRFIRST)"
CMD="${CMD} LOCALETYPE(*LOCALE) FLAG(10)"
CMD="${CMD} INCDIR('${IFSDIR}/include' ${INCLUDES})"
CMD="${CMD} TGTCCSID(${TGTCCSID}) TGTRLS(${TGTRLS})"
CMD="${CMD} OUTPUT(${OUTPUT})"
CMD="${CMD} OPTIMIZE(${OPTIMIZE})"
CMD="${CMD} DBGVIEW(${DEBUG})"
system "${CMD}"
LINK=YES
}
# Determine DB2 object name from IFS name.
db2_name()
{
basename "${1}" |
tr 'a-z-' 'A-Z_' |
sed -e 's/\..*//' \
-e 's/^\(.\).*\(.........\)$/\1\2/'
}
# Force enumeration types to be the same size as integers.
copy_hfile()
{
sed -e '1i\
#pragma enum(int)\
' "${@}" -e '$a\
#pragma enum(pop)\
'
}
################################################################################
#
# Script initialization.
#
################################################################################
SCRIPTDIR=`dirname "${0}"`
case "${SCRIPTDIR}" in
/*) ;;
*) SCRIPTDIR="`pwd`/${SCRIPTDIR}"
esac
while true
do case "${SCRIPTDIR}" in
*/.) SCRIPTDIR="${SCRIPTDIR%/.}";;
*) break;;
esac
done
# The script directory is supposed to be in ${TOPDIR}/os400.
TOPDIR=`dirname "${SCRIPTDIR}"`
export SCRIPTDIR TOPDIR
cd "${TOPDIR}"
# Extract the version from the master compilation XML file.
VERSION=`sed -e '/^<package /!d' \
-e 's/^.* version="\([0-9.]*\)".*$/\1/' -e 'q' \
< treebuild.xml`
export VERSION
################################################################################
# Create the OS/400 library if it does not exist.
if action_needed "${LIBIFSNAME}"
then CMD="CRTLIB LIB(${TARGETLIB}) TEXT('ZLIB: Data compression API')"
system "${CMD}"
fi
# Create the DOCS source file if it does not exist.
if action_needed "${LIBIFSNAME}/DOCS.FILE"
then CMD="CRTSRCPF FILE(${TARGETLIB}/DOCS) RCDLEN(112)"
CMD="${CMD} CCSID(${TGTCCSID}) TEXT('Documentation texts')"
system "${CMD}"
fi
# Copy some documentation files if needed.
for TEXT in "${TOPDIR}/ChangeLog" "${TOPDIR}/FAQ" \
"${TOPDIR}/README" "${SCRIPTDIR}/README400"
do MEMBER="${LIBIFSNAME}/DOCS.FILE/`db2_name \"${TEXT}\"`.MBR"
if action_needed "${MEMBER}" "${TEXT}"
then CMD="CPY OBJ('${TEXT}') TOOBJ('${MEMBER}') TOCCSID(${TGTCCSID})"
CMD="${CMD} DTAFMT(*TEXT) REPLACE(*YES)"
system "${CMD}"
fi
done
# Create the OS/400 source program file for the C header files.
SRCPF="${LIBIFSNAME}/H.FILE"
if action_needed "${SRCPF}"
then CMD="CRTSRCPF FILE(${TARGETLIB}/H) RCDLEN(112)"
CMD="${CMD} CCSID(${TGTCCSID}) TEXT('ZLIB: C/C++ header files')"
system "${CMD}"
fi
# Create the IFS directory for the C header files.
if action_needed "${IFSDIR}/include"
then mkdir -p "${IFSDIR}/include"
fi
# Copy the header files to DB2 library. Link from IFS include directory.
for HFILE in "${TOPDIR}/"*.h
do DEST="${SRCPF}/`db2_name \"${HFILE}\"`.MBR"
if action_needed "${DEST}" "${HFILE}"
then copy_hfile < "${HFILE}" > tmphdrfile
# Need to translate to target CCSID.
CMD="CPY OBJ('`pwd`/tmphdrfile') TOOBJ('${DEST}')"
CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)"
system "${CMD}"
# touch -r "${HFILE}" "${DEST}"
rm -f tmphdrfile
fi
IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`"
if action_needed "${IFSFILE}" "${DEST}"
then rm -f "${IFSFILE}"
ln -s "${DEST}" "${IFSFILE}"
fi
done
# Install the ILE/RPG header file.
HFILE="${SCRIPTDIR}/zlib.inc"
DEST="${SRCPF}/ZLIB.INC.MBR"
if action_needed "${DEST}" "${HFILE}"
then CMD="CPY OBJ('${HFILE}') TOOBJ('${DEST}')"
CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)"
system "${CMD}"
# touch -r "${HFILE}" "${DEST}"
fi
IFSFILE="${IFSDIR}/include/`basename \"${HFILE}\"`"
if action_needed "${IFSFILE}" "${DEST}"
then rm -f "${IFSFILE}"
ln -s "${DEST}" "${IFSFILE}"
fi
# Create and compile the identification source file.
echo '#pragma comment(user, "ZLIB version '"${VERSION}"'")' > os400.c
echo '#pragma comment(user, __DATE__)' >> os400.c
echo '#pragma comment(user, __TIME__)' >> os400.c
echo '#pragma comment(copyright, "Copyright (C) 1995-2017 Jean-Loup Gailly, Mark Adler. OS/400 version by P. Monnerat.")' >> os400.c
make_module OS400 os400.c
LINK= # No need to rebuild service program yet.
MODULES=
# Get source list.
CSOURCES=`sed -e '/<source name="/!d' \
-e 's/.* name="\([^"]*\)".*/\1/' < treebuild.xml`
# Compile the sources into modules.
for SRC in ${CSOURCES}
do MODULE=`db2_name "${SRC}"`
make_module "${MODULE}" "${SRC}"
done
# If needed, (re)create the static binding directory.
if action_needed "${LIBIFSNAME}/${STATBNDDIR}.BNDDIR"
then LINK=YES
fi
if [ "${LINK}" ]
then rm -rf "${LIBIFSNAME}/${STATBNDDIR}.BNDDIR"
CMD="CRTBNDDIR BNDDIR(${TARGETLIB}/${STATBNDDIR})"
CMD="${CMD} TEXT('ZLIB static binding directory')"
system "${CMD}"
for MODULE in ${MODULES}
do CMD="ADDBNDDIRE BNDDIR(${TARGETLIB}/${STATBNDDIR})"
CMD="${CMD} OBJ((${TARGETLIB}/${MODULE} *MODULE))"
system "${CMD}"
done
fi
# The exportation file for service program creation must be in a DB2
# source file, so make sure it exists.
if action_needed "${LIBIFSNAME}/TOOLS.FILE"
then CMD="CRTSRCPF FILE(${TARGETLIB}/TOOLS) RCDLEN(112)"
CMD="${CMD} CCSID(${TGTCCSID}) TEXT('ZLIB: build tools')"
system "${CMD}"
fi
DEST="${LIBIFSNAME}/TOOLS.FILE/BNDSRC.MBR"
if action_needed "${SCRIPTDIR}/bndsrc" "${DEST}"
then CMD="CPY OBJ('${SCRIPTDIR}/bndsrc') TOOBJ('${DEST}')"
CMD="${CMD} TOCCSID(${TGTCCSID}) DTAFMT(*TEXT) REPLACE(*YES)"
system "${CMD}"
# touch -r "${SCRIPTDIR}/bndsrc" "${DEST}"
LINK=YES
fi
# Build the service program if needed.
if action_needed "${LIBIFSNAME}/${SRVPGM}.SRVPGM"
then LINK=YES
fi
if [ "${LINK}" ]
then CMD="CRTSRVPGM SRVPGM(${TARGETLIB}/${SRVPGM})"
CMD="${CMD} SRCFILE(${TARGETLIB}/TOOLS) SRCMBR(BNDSRC)"
CMD="${CMD} MODULE(${TARGETLIB}/OS400)"
CMD="${CMD} BNDDIR(${TARGETLIB}/${STATBNDDIR})"
CMD="${CMD} TEXT('ZLIB ${VERSION} dynamic library')"
CMD="${CMD} TGTRLS(${TGTRLS})"
system "${CMD}"
LINK=YES
# Duplicate the service program for a versioned backup.
BACKUP=`echo "${SRVPGM}${VERSION}" |
sed -e 's/.*\(..........\)$/\1/' -e 's/\./_/g'`
BACKUP="`db2_name \"${BACKUP}\"`"
BKUPIFSNAME="${LIBIFSNAME}/${BACKUP}.SRVPGM"
rm -f "${BKUPIFSNAME}"
CMD="CRTDUPOBJ OBJ(${SRVPGM}) FROMLIB(${TARGETLIB})"
CMD="${CMD} OBJTYPE(*SRVPGM) NEWOBJ(${BACKUP})"
system "${CMD}"
fi
# If needed, (re)create the dynamic binding directory.
if action_needed "${LIBIFSNAME}/${DYNBNDDIR}.BNDDIR"
then LINK=YES
fi
if [ "${LINK}" ]
then rm -rf "${LIBIFSNAME}/${DYNBNDDIR}.BNDDIR"
CMD="CRTBNDDIR BNDDIR(${TARGETLIB}/${DYNBNDDIR})"
CMD="${CMD} TEXT('ZLIB dynamic binding directory')"
system "${CMD}"
CMD="ADDBNDDIRE BNDDIR(${TARGETLIB}/${DYNBNDDIR})"
CMD="${CMD} OBJ((*LIBL/${SRVPGM} *SRVPGM))"
system "${CMD}"
fi
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