Fix librsync detection on freeze builds

This commit is contained in:
Kovid Goyal 2021-09-18 11:10:03 +05:30
parent dcc0dabe68
commit 71963aa738
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@ -234,11 +234,13 @@ def test_compile(
lang: str = 'c',
link_also: bool = True,
show_stderr: bool = False,
libraries: Iterable[str] = ()
libraries: Iterable[str] = (),
ldflags: Iterable[str] = (),
) -> bool:
src = src or 'int main(void) { return 0; }'
p = subprocess.Popen(
[cc] + list(cflags) + ([] if link_also else ['-c']) + ['-x', lang, '-o', os.devnull, '-'] + [f'-l{x}' for x in libraries],
[cc] + list(cflags) + ([] if link_also else ['-c']) + ['-x', lang, '-o', os.devnull, '-'] +
[f'-l{x}' for x in libraries] + list(ldflags),
stdout=subprocess.DEVNULL, stdin=subprocess.PIPE, stderr=None if show_stderr else subprocess.DEVNULL
)
stdin = p.stdin
@ -270,11 +272,13 @@ def set_arches(flags: List[str], arches: Iterable[str] = ('x86_64', 'arm64')) ->
flags.extend(('-arch', arch))
def detect_librsync(cc: str, cflags: List[str]) -> None:
if not test_compile(cc, libraries=('rsync',), show_stderr=True, src='#include <librsync.h>\nint main(void) { rs_strerror(0); return 0; }'):
def detect_librsync(cc: str, cflags: List[str], ldflags: List[str]) -> None:
if not test_compile(
cc, *cflags, libraries=('rsync',), ldflags=ldflags, show_stderr=True,
src='#include <librsync.h>\nint main(void) { rs_strerror(0); return 0; }'):
raise SystemExit('The librsync library is required')
# check for rs_sig_args() which was added to librsync in Apr 2020 version 2.3.0
if test_compile(cc, link_also=False, src='''
if test_compile(cc, *cflags, link_also=False, src='''
#include <librsync.h>
int main(void) {
rs_magic_number magic_number = 0;
@ -338,7 +342,6 @@ def init_env(
cflags = shlex.split(cflags_) + shlex.split(
sysconfig.get_config_var('CCSHARED') or ''
)
detect_librsync(cc, cflags)
ldflags_ = os.environ.get(
'OVERRIDE_LDFLAGS',
'-Wall ' + ' '.join(sanitize_args) + ('' if debug else ' -O3')
@ -348,6 +351,7 @@ def init_env(
cppflags += shlex.split(os.environ.get('CPPFLAGS', ''))
cflags += shlex.split(os.environ.get('CFLAGS', ''))
ldflags += shlex.split(os.environ.get('LDFLAGS', ''))
detect_librsync(cc, cflags, ldflags)
if not debug and not sanitize and not is_openbsd and link_time_optimization:
# See https://github.com/google/sanitizers/issues/647
cflags.append('-flto')