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#!/usr/bin/env bash
set -eu
set -o pipefail
cpp="/tmp/alignment.cpp"
app="/tmp/alignment"
function usage() {
echo "Usage:"
echo ""
echo "./scripts/rebuild.sh [header] [class name]"
echo ""
echo "Please pass a header file and a class name"
echo ""
echo " ./scripts/check-padding include/mapnik/attribute.hpp mapnik::attribute"
echo ""
exit 1
}
function add() {
echo $1 >> ${cpp}
}
CXX=${CXX:-clang++}
function compile() {
${CXX} -o ${app} ${cpp} -Wpadded -I./ -isystem ./mason_packages/.link/include `mapnik-config --all-flags` -Ideps -Lsrc -Ideps/agg/include -Iinclude
}
if [[ ${1:-unset} == "unset" ]] || [[ ${2:-unset} == "unset" ]] || [[ $@ == '-h' ]] || [[ $@ == '--help' ]]; then
usage
fi
echo '' > ${cpp}
add "#include <iostream>"
add "#include <vector>"
add "#include \"$1\""
add ""
add '#define REPORT(type) std::clog << "sizeof(" #type ") " << sizeof(type) << "\n";'
add "int main() {"
add ""
add "REPORT(std::string)"
add "REPORT(unsigned int)"
add "REPORT(int)"
add "REPORT(bool)"
add "REPORT(std::vector<double>)"
add "REPORT(std::size_t)"
add "REPORT($2)"
add "return 0;"
add "}"
compile
${app}
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