diff --git a/tools/build/check-links.sh b/tools/build/check-links.sh index 937f61c164a6..06aa8d31d28e 100755 --- a/tools/build/check-links.sh +++ b/tools/build/check-links.sh @@ -20,7 +20,8 @@ libkey() { usage() { cat <<-EOF - usage: $0 [-Uv] file + usage: $0 [-Uv] [-L LD_LIBRARY_PATH] file + -L: Specify an alternative LD_LIBRARY_PATH for the library resolution. -U: Skip looking for unresolved symbols. -v: Show which library each symbol is resolved to. EOF @@ -30,8 +31,9 @@ usage() { ret=0 CHECK_UNRESOLVED=1 VERBOSE_RESOLVED=0 -while getopts "Uv" flag; do +while getopts "L:Uv" flag; do case "${flag}" in + L) LIB_PATH="${OPTARG}" ;; U) CHECK_UNRESOLVED=0 ;; v) VERBOSE_RESOLVED=1 ;; *) usage ;; @@ -55,7 +57,14 @@ esac # Gather all symbols from the target unresolved_symbols=$(nm -u -D --format=posix "$1" | awk '$2 == "U" {print $1}' | tr '\n' ' ') [ ${isbin} -eq 1 ] && bss_symbols=$(nm -D --format=posix "$1" | awk '$2 == "B" && $4 != "" {print $1}' | tr '\n' ' ') -ldd_libs=$(ldd $(realpath $1) | awk '{print $1 ":" $3}') +if [ -n "${LIB_PATH}" ]; then + for libc in /lib/libc.so.*; do + LDD_ENV="LD_PRELOAD=${libc}" + done + LDD_ENV="${LDD_ENV} LD_LIBRARY_PATH=${LIB_PATH}" +fi + +ldd_libs=$(env ${LDD_ENV} ldd $(realpath $1) | awk '{print $1 ":" $3}') # Check for useful libs list_libs=