#!/bin/sh
# Build the fdguard LD_PRELOAD shim and its self-test program.
#   ./build.sh            -> libfdguard.so, fdguard_test
set -e
cd "$(dirname "$0")"
CC=${CC:-gcc}
$CC -O2 -g -fPIC -shared -Wall -Wextra -Wno-unused-parameter -fvisibility=default \
    -o libfdguard.so.tmp fdguard.c -ldl -lpthread
# rename, never overwrite in place: a running process may have the old one mapped
mv -f libfdguard.so.tmp libfdguard.so
# the test program keeps its symbols (no -rdynamic on purpose: like dragonxd,
# owner detection must work from .symtab alone) and frame pointers for clarity
$CC -O1 -g -fno-omit-frame-pointer -fno-inline -Wall -o fdguard_test.tmp fdguard_test.c -lpthread
mv -f fdguard_test.tmp fdguard_test
echo "built: $(pwd)/libfdguard.so $(pwd)/fdguard_test"