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fix regex for extracting glibc version from output of 'ldd --version' in Gentoo Linux #4290

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Merged
ocaisa merged 2 commits into from
Jul 4, 2023
Merged

fix regex for extracting glibc version from output of 'ldd --version' in Gentoo Linux #4290

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fbb7246
fix regex for extracting glibc version from output of 'ldd --version'…
boegel Jun 30, 2023
b43bad7
add comment to clarify why ';' is used in regex to extract glibc version
boegel Jul 4, 2023
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4 changes: 3 additions & 1 deletion easybuild/tools/systemtools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -943,7 +943,9 @@ def get_glibc_version():

if os_type == LINUX:
glibc_ver_str = get_tool_version('ldd')
glibc_ver_regex = re.compile(r"^ldd \([^)]*\) (\d[\d.]*).*$")
# note: get_tool_version replaces newlines with ';',
# hence the use of ';' below after the expected glibc version
glibc_ver_regex = re.compile(r"^ldd \(.+\) (\d[\d.]+);")
res = glibc_ver_regex.search(glibc_ver_str)

if res is not None:
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9 changes: 8 additions & 1 deletion test/framework/systemtools.py
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Expand Up @@ -325,7 +325,7 @@ def mocked_run_cmd(cmd, **kwargs):
"""Mocked version of run_cmd, with specified output for known commands."""
known_cmds = {
"gcc --version": "gcc (GCC) 5.1.1 20150618 (Red Hat 5.1.1-4)",
"ldd --version": "ldd (GNU libc) 2.12",
"ldd --version": "ldd (GNU libc) 2.12; ",
"sysctl -n hw.cpufrequency_max": "2400000000",
"sysctl -n hw.ncpu": '10',
"sysctl -n hw.memsize": '8589934592',
Expand Down Expand Up @@ -791,6 +791,13 @@ def test_glibc_version_linux(self):
st.run_cmd = mocked_run_cmd
self.assertEqual(get_glibc_version(), '2.12')

def test_glibc_version_linux_gentoo(self):
"""Test getting glibc version (mocked for Linux)."""
st.get_os_type = lambda: st.LINUX
ldd_version_out = "ldd (Gentoo 2.37-r3 (patchset 5)) 2.37; Copyright (C) 2023 Free Software Foundation, Inc."
st.get_tool_version = lambda _: ldd_version_out
self.assertEqual(get_glibc_version(), '2.37')

def test_glibc_version_linux_musl_libc(self):
"""Test getting glibc version (mocked for Linux)."""
st.get_os_type = lambda: st.LINUX
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