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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: package/.../ccache/dont_stat_compiler.patch
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# Copyright (C) 2004 - 2006 The T2 SDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- SDE-COPYRIGHT-NOTE-END ---
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For us the t2 wrapper is the compiler executable which is often rebuild (e.g.
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on config change. So we most often want to prevent hashing the compiler (or
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better our wrapper) size and date ...
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(Originally written in ROCK Linux, commented and rediffed for recent
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ccache versions.)
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- Rene Rebe <rene@exactcode.de>
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--- ccache-2.4/ccache.c 2004-09-13 12:38:30.000000000 +0200
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+++ ccache-2.4-patched/ccache.c 2004-12-22 08:49:51.959011840 +0100
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@@ -319,20 +319,22 @@
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/* the compiler driver size and date. This is a simple minded way
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to try and detect compiler upgrades. It is not 100% reliable */
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- if (stat(args->argv[0], &st) != 0) {
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+ if (!getenv("CCACHE_DONT_STAT_COMPILER")) {
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+ if (stat(args->argv[0], &st) != 0) {
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cc_log("Couldn't stat the compiler!? (argv[0]='%s')\n", args->argv[0]);
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stats_update(STATS_COMPILER);
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failed();
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- }
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+ }
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- /* also include the hash of the compiler name - as some compilers
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- use hard links and behave differently depending on the real name */
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- if (st.st_nlink > 1) {
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+ /* also include the hash of the compiler name - as some compilers
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+ use hard links and behave differently depending on the real name */
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+ if (st.st_nlink > 1) {
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hash_string(str_basename(args->argv[0]));
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- }
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+ }
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- hash_int(st.st_size);
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- hash_int(st.st_mtime);
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+ hash_int(st.st_size);
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+ hash_int(st.st_mtime);
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+ }
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/* possibly hash the current working directory */
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if (getenv("CCACHE_HASHDIR")) {
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