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From 105421c09f009b77019e60db2de22d5966a73602 Mon Sep 17 00:00:00 2001
From: Samuli Piippo <samuli.piippo@qt.io>
Date: Thu, 30 Mar 2017 11:37:24 +0300
Subject: [PATCH] chromium: workaround for too long .rps file name
Ninja may fail when the build directory is too long:
ninja: error: WriteFile(__third_party_WebKit_Source_bindings_modules_\
interfaces_info_individual_modules__home_qt_work_build_build-nitrogen\
6x_tmp_work_cortexa9hf-neon-mx6qdl-poky-linux-gnueabi_qtwebengine_5.9\
.0_gitAUTOINC_29afdb0a34_049134677a-r0_build_src_toolchain_target__ru\
le.rsp): Unable to create file. File name too long
Task-number: QTBUG-59769
Change-Id: I73c5e64ae5174412be2a675e35b0b6047f2bf4c1
---
gn/tools/gn/ninja_action_target_writer.cc | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/gn/tools/gn/ninja_action_target_writer.cc b/gn/tools/gn/ninja_action_target_writer.cc
index 5f4fbaad882..1c074a2193b 100644
--- a/gn/tools/gn/ninja_action_target_writer.cc
+++ b/gn/tools/gn/ninja_action_target_writer.cc
@@ -119,9 +119,18 @@ std::string NinjaActionTargetWriter::WriteRuleDefinition() {
// strictly necessary for regular one-shot actions, but it's easier to
// just always define unique_name.
std::string rspfile = custom_rule_name;
+
+ //quick workaround if filename length > 255 - ".rsp", just cut the dirs starting from the end
+ //please note ".$unique_name" is not used at the moment
+ int pos = 0;
+ std::string delimiter("_");
+ while (rspfile.length() > 250 && (pos = rspfile.find_last_of(delimiter)) != std::string::npos)
+ rspfile = rspfile.substr(0,pos);
+
if (!target_->sources().empty())
rspfile += ".$unique_name";
rspfile += ".rsp";
+
out_ << " rspfile = " << rspfile << std::endl;
// Response file contents.
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