check-libstdc++.py

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#!/usr/bin/env python3

import os

import shutil

import subprocess

import sys

srcdir = sys.argv[1]

base_srcdir = sys.argv[2]

builddir = sys.argv[3]

os.chdir(srcdir)

ldd = os.getenv("LDD", shutil.which("ldd"))

if not ldd:

    otool = os.getenv("OTOOL", shutil.which("otool"))

    if otool:

        ldd = otool + " -L"

    else:

        print("check-libstdc++.py: 'ldd' not found; skipping test")

        sys.exit(77)

stat = 0

tested = False

# harfbuzz-icu links to libstdc++ because icu does.

for soname in ["harfbuzz", "harfbuzz-subset", "harfbuzz-gobject", "harfbuzz-cairo"]:

    for suffix in ["so", "dylib"]:

        so = os.path.join(builddir, "lib%s.%s" % (soname, suffix))

        if not os.path.exists(so):

            continue

        print("Checking that we are not linking to libstdc++ or libc++ in %s" % so)

        ldd_result = subprocess.check_output(ldd.split() + [so])

        if (b"libstdc++" in ldd_result) or (b"libc++" in ldd_result):

            print("Ouch, %s is linked to libstdc++ or libc++" % so)

            stat = 1

        tested = True

if not tested:

    print("check-libstdc++.py: libharfbuzz shared library not found; skipping test")

    sys.exit(77)

sys.exit(stat)