python/build/meson.py: set BOOST_ROOT for Meson 0.54

Commit https://github.com/mesonbuild/meson/commit/08224dafcba1b694fb624553e7d84deb565aae22 changed Meson to require BOOST_ROOT for cross builds.
2020-07-01 16:37:50 +02:00
parent d9f9b3df10
commit ca705e1e37
2 changed files with 8 additions and 1 deletions
@@ -91,7 +91,12 @@ def configure(toolchain, src, build, args=()):
        '--cross-file', cross_file,
    ] + args

-    subprocess.check_call(configure, env=toolchain.env)
+    env = toolchain.env.copy()
+
+    # Meson 0.54 requires the BOOST_ROOT environment variable
+    env['BOOST_ROOT'] = toolchain.install_prefix
+
+    subprocess.check_call(configure, env=env)

 class MesonProject(Project):
    def __init__(self, url, md5, installed, configure_args=[],