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build: fix OpenSSL version parsing for OpenSSL < 3 #60775

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Merged
merged 1 commit into from
Nov 20, 2025
Merged

build: fix OpenSSL version parsing for OpenSSL < 3 #60775

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11 changes: 10 additions & 1 deletion configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1217,7 +1217,8 @@ def get_openssl_version(o):
"""Parse OpenSSL version from opensslv.h header file.

Returns the version as a number matching OPENSSL_VERSION_NUMBER format:
0xMNN00PPSL where M=major, NN=minor, PP=patch, S=status(0xf=release,0x0=pre), L=0
0xMNN00PPSL where M=major, NN=minor, PP=patch, S=status(0xf=release,0x0=pre),
L denotes as a long type literal
"""

try:
Expand Down Expand Up @@ -1260,6 +1261,14 @@ def get_openssl_version(o):
minor = int(macros.get('OPENSSL_VERSION_MINOR', '0'))
patch = int(macros.get('OPENSSL_VERSION_PATCH', '0'))

# If major, minor and patch are all 0, this is probably OpenSSL < 3.
if (major, minor, patch) == (0, 0, 0):
version_number = macros.get('OPENSSL_VERSION_NUMBER')
# Prior to OpenSSL 3 the value should be in the format 0xMNN00PPSL.
# If it is, we need to strip the `L` suffix prior to parsing.
if version_number[:2] == "0x" and version_number[-1] == "L":
return int(version_number[:-1], 16)

# Check if it's a pre-release (has non-empty PRE_RELEASE string)
pre_release = macros.get('OPENSSL_VERSION_PRE_RELEASE', '""').strip('"')
status = 0x0 if pre_release else 0xf
Expand Down
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