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#!/bin/bash
# This script generates the version scripts
set -e
# 1- Go to debian dir
debian_dir="$(dirname "$(readlink -f "$0")")"
cd "$debian_dir"
# 2- Get sonames
soname=$(cd .. && ./debian/rules SONAME)
soname_cxx=$(cd .. && ./debian/rules SONAME_CXX)
# 3- Read mangled C++ symbols table and declare tne new table
declare -A mangled
declare -A mangled_new
if [ -f mangled-symbols-table ]; then
while IFS='' read line; do
if [[ "$line" =~ ^\"([^\"]*)\"\ (_Z[a-zA-Z0-9_]*)$ ]]; then
mangled["${BASH_REMATCH[1]}"]="${BASH_REMATCH[2]}"
fi
done <mangled-symbols-table
fi
# 4- Generate version scripts
# While doing this, we update the mangled C++ symbols table to drop
# unused symbols.
function map_symbols_file {
declare -A versions=()
declare -A c=()
declare -A cpp=()
while IFS='' read ligne; do
if [[ "$ligne" =~ ^\ (\(([^\)]*)\))?\"?([^@\"]*)@([^\ \"]*)\"?\ ([^\ ]*)$ ]]; then
flags="${BASH_REMATCH[2]}"
symbol="${BASH_REMATCH[3]}"
version_name="${BASH_REMATCH[4]}"
version_first_seen="${BASH_REMATCH[5]}"
mangled_cpp_symbol="${mangled["$symbol"]}"
if [ "$version_name" = "Base" ]; then
version_name="$version_first_seen"
else
version_name="${version_name##*_}"
fi
if [ ! ${versions[$version_name]+_} ]; then
versions[$version_name]=""
fi
if [[ "$flags" =~ (^|\|)c\+\+(\||$) ]]; then
if [ -n "$mangled_cpp_symbol" ]; then
cpp[$version_name]="${cpp[$version_name]}$(c++filt -i "$mangled_cpp_symbol")\n"
echo '"'"$symbol"'"'" $mangled_cpp_symbol" >>mangled-symbols-table.new
else
cpp[$version_name]="${cpp[$version_name]}${symbol}\n"
fi
else
c[$version_name]="${c[$version_name]}${symbol}\n"
fi
fi
done <"$1"
echo "/* Generated from script $(basename "$0") */"
echo
prev_version=""
for version in $(echo "${!versions[@]}" | sed 's/ /\n/g' | sort -V); do
echo "HDF5_@MAP@_$version {"
# Drop symbols which are version names, such as:"
# HDF5_CPP_1.8.14@HDF5_CPP_1.8.14
c[$version]="$(echo -e "${c[$version]}" | grep -v '^HDF5_\(SERIAL\|CPP\|MPI\)_[0-9\.]*$')"
if [ -n "${cpp[$version]}${c[$version]}" ]; then
echo " global:"
fi
if [ -n "${cpp[$version]}" ]; then
echo ' extern "C++" {'
echo -e "${cpp[$version]}" | sort -u | sed '/^$/d;s/^/ "/;s/$/"\;/'
echo ' };'
fi
echo -e "${c[$version]}" | sort -u | sed '/^$/d;s/^/ /;s/$/\;/'
echo "}${prev_version:+ HDF5_@MAP@_$prev_version};"
echo ""
prev_version=$version
done
}
rm -f mangled-symbols-table.new
map_symbols_file "libhdf5-$soname.symbols" | sed 's/@MAP@/SERIAL/' >map_serial.ver
map_symbols_file "libhdf5-cpp-$soname_cxx.symbols" | sed 's/@MAP@/CPP/' >>map_serial.ver
map_symbols_file "libhdf5-openmpi-$soname.symbols" | sed 's/@MAP@/MPI/' >map_mpi.ver
# 5- Replace the mangled C++ symbols table with the updated one
mv mangled-symbols-table.new mangled-symbols-table
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