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-rw-r--r--dev-util/pkgconf/files/pkgconf-2.1.0-traverse-only-once.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/dev-util/pkgconf/files/pkgconf-2.1.0-traverse-only-once.patch b/dev-util/pkgconf/files/pkgconf-2.1.0-traverse-only-once.patch
new file mode 100644
index 000000000000..80eab2485e1e
--- /dev/null
+++ b/dev-util/pkgconf/files/pkgconf-2.1.0-traverse-only-once.patch
@@ -0,0 +1,71 @@
+https://issuetracker.google.com/issues/317357322
+https://bugs.gentoo.org/912843
+https://github.com/pkgconf/pkgconf/pull/339
+
+From 478199b425b46e9dae36bb174f1bd08bf3ffb0f1 Mon Sep 17 00:00:00 2001
+From: Yi Chou <yich@google.com>
+Date: Fri, 22 Dec 2023 00:13:31 +0800
+Subject: [PATCH] Use traverse_id to prevent traverse pkgdep twice
+
+--- a/libpkgconf/libpkgconf.h
++++ b/libpkgconf/libpkgconf.h
+@@ -137,6 +137,8 @@ struct pkgconf_path_ {
+ #define PKGCONF_PKG_PROPF_CACHED 0x02
+ #define PKGCONF_PKG_PROPF_UNINSTALLED 0x08
+ #define PKGCONF_PKG_PROPF_VIRTUAL 0x10
++#define PKGCONF_PKG_PROPF_VISITED 0x20
++#define PKGCONF_PKG_PROPF_VISITED_PRIVATE 0x40
+
+ struct pkgconf_pkg_ {
+ int refcount;
+@@ -176,6 +178,7 @@ struct pkgconf_pkg_ {
+
+ uint64_t serial;
+ uint64_t identifier;
++ uint64_t traverse_id;
+ };
+
+ typedef bool (*pkgconf_pkg_iteration_func_t)(const pkgconf_pkg_t *pkg, void *data);
+@@ -212,6 +215,7 @@ struct pkgconf_client_ {
+
+ uint64_t serial;
+ uint64_t identifier;
++ uint64_t traverse_id;
+
+ pkgconf_pkg_t **cache_table;
+ size_t cache_count;
+--- a/libpkgconf/pkg.c
++++ b/libpkgconf/pkg.c
+@@ -1628,6 +1628,21 @@ pkgconf_pkg_traverse_main(pkgconf_client_t *client,
+ if (maxdepth == 0)
+ return eflags;
+
++ unsigned int visited_flag = (client->flags & PKGCONF_PKG_PKGF_ITER_PKG_IS_PRIVATE) ? PKGCONF_PKG_PROPF_VISITED_PRIVATE : PKGCONF_PKG_PROPF_VISITED;
++
++ if (root->traverse_id == client->traverse_id)
++ {
++ if (root->flags & visited_flag)
++ return eflags;
++ }
++ else
++ {
++ root->traverse_id = client->traverse_id;
++ root->flags &= ~(PKGCONF_PKG_PROPF_VISITED | PKGCONF_PKG_PROPF_VISITED_PRIVATE);
++ }
++
++ root->flags |= visited_flag;
++
+ PKGCONF_TRACE(client, "%s: level %d, serial %"PRIu64, root->id, maxdepth, client->serial);
+
+ if ((root->flags & PKGCONF_PKG_PROPF_VIRTUAL) != PKGCONF_PKG_PROPF_VIRTUAL || (client->flags & PKGCONF_PKG_PKGF_SKIP_ROOT_VIRTUAL) != PKGCONF_PKG_PKGF_SKIP_ROOT_VIRTUAL)
+@@ -1672,6 +1687,9 @@ pkgconf_pkg_traverse(pkgconf_client_t *client,
+ int maxdepth,
+ unsigned int skip_flags)
+ {
++ static uint64_t traverse_id = 0;
++ client->traverse_id = ++traverse_id;
++
+ if (root->flags & PKGCONF_PKG_PROPF_VIRTUAL)
+ client->serial++;
+
+