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From 5ec93aff2ad01f269669a12f45aeb8abaa853062 Mon Sep 17 00:00:00 2001
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From: Remi Collet <remi@remirepo.net>
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Date: Fri, 19 Jul 2019 10:33:01 +0200
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Subject: [PATCH] handle "lib64" case for glibc detection
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Also move the "simple" way first
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to avoid file parsing or shell call
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Notice: it seems that this information if not really used anywhere
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and I'm not aware of any pear/pecl package with constraint on glibc version
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---
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OS/Guess.php | 22 ++++++++++++++--------
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1 file changed, 14 insertions(+), 8 deletions(-)
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diff --git a/OS/Guess.php b/OS/Guess.php
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index c45e84f15..79d5cfe36 100644
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--- a/OS/Guess.php
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+++ b/OS/Guess.php
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@@ -195,9 +195,22 @@ function _detectGlibcVersion()
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}
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$major = $minor = 0;
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include_once "System.php";
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+
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+ if (@is_link('/lib64/libc.so.6')) {
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+ // Let's try reading the libc.so.6 symlink
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+ if (preg_match('/^libc-(.*)\.so$/', basename(readlink('/lib64/libc.so.6')), $matches)) {
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+ list($major, $minor) = explode('.', $matches[1]);
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+ }
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+ } else if (@is_link('/lib/libc.so.6')) {
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+ // Let's try reading the libc.so.6 symlink
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+ if (preg_match('/^libc-(.*)\.so$/', basename(readlink('/lib/libc.so.6')), $matches)) {
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+ list($major, $minor) = explode('.', $matches[1]);
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+ }
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+ }
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// Use glibc's <features.h> header file to
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// get major and minor version number:
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- if (@file_exists('/usr/include/features.h') &&
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+ if (!($major && $minor) &&
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+ @file_exists('/usr/include/features.h') &&
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@is_readable('/usr/include/features.h')) {
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if (!@file_exists('/usr/bin/cpp') || !@is_executable('/usr/bin/cpp')) {
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$features_file = fopen('/usr/include/features.h', 'rb');
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@@ -252,13 +265,6 @@ function _detectGlibcVersion()
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unlink($tmpfile);
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} // features.h
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- if (!($major && $minor) && @is_link('/lib/libc.so.6')) {
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- // Let's try reading the libc.so.6 symlink
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- if (preg_match('/^libc-(.*)\.so$/', basename(readlink('/lib/libc.so.6')), $matches)) {
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- list($major, $minor) = explode('.', $matches[1]);
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- }
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- }
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-
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if (!($major && $minor)) {
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return $glibc = '';
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}
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