1*4882a593SmuzhiyunFrom bdfe3eeabbdadedb3981fb14ae4e04b7b9dcb4ff Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Samuli Piippo <samuli.piippo@qt.io>
3*4882a593SmuzhiyunDate: Thu, 30 Mar 2017 11:37:24 +0300
4*4882a593SmuzhiyunSubject: [PATCH 03/14] chromium: workaround for too long .rps file name
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunNinja may fail when the build directory is too long:
7*4882a593Smuzhiyun
8*4882a593Smuzhiyunninja: error: WriteFile(__third_party_WebKit_Source_bindings_modules_\
9*4882a593Smuzhiyuninterfaces_info_individual_modules__home_qt_work_build_build-nitrogen\
10*4882a593Smuzhiyun6x_tmp_work_cortexa9hf-neon-mx6qdl-poky-linux-gnueabi_qtwebengine_5.9\
11*4882a593Smuzhiyun.0_gitAUTOINC_29afdb0a34_049134677a-r0_build_src_toolchain_target__ru\
12*4882a593Smuzhiyunle.rsp): Unable to create file. File name too long
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunTask-number: QTBUG-59769
15*4882a593SmuzhiyunChange-Id: I73c5e64ae5174412be2a675e35b0b6047f2bf4c1
16*4882a593Smuzhiyun---
17*4882a593Smuzhiyun gn/tools/gn/ninja_action_target_writer.cc | 9 +++++++++
18*4882a593Smuzhiyun 1 file changed, 9 insertions(+)
19*4882a593Smuzhiyun
20*4882a593Smuzhiyundiff --git a/gn/tools/gn/ninja_action_target_writer.cc b/gn/tools/gn/ninja_action_target_writer.cc
21*4882a593Smuzhiyunindex 5f4fbaad8..1c074a219 100644
22*4882a593Smuzhiyun--- a/gn/tools/gn/ninja_action_target_writer.cc
23*4882a593Smuzhiyun+++ b/gn/tools/gn/ninja_action_target_writer.cc
24*4882a593Smuzhiyun@@ -119,9 +119,18 @@ std::string NinjaActionTargetWriter::WriteRuleDefinition() {
25*4882a593Smuzhiyun     // strictly necessary for regular one-shot actions, but it's easier to
26*4882a593Smuzhiyun     // just always define unique_name.
27*4882a593Smuzhiyun     std::string rspfile = custom_rule_name;
28*4882a593Smuzhiyun+
29*4882a593Smuzhiyun+    //quick workaround if filename length > 255 - ".rsp", just cut the dirs starting from the end
30*4882a593Smuzhiyun+    //please note ".$unique_name" is not used at the moment
31*4882a593Smuzhiyun+    int pos = 0;
32*4882a593Smuzhiyun+    std::string delimiter("_");
33*4882a593Smuzhiyun+    while (rspfile.length() > 250 && (pos = rspfile.find_last_of(delimiter)) != std::string::npos)
34*4882a593Smuzhiyun+        rspfile = rspfile.substr(0,pos);
35*4882a593Smuzhiyun+
36*4882a593Smuzhiyun     if (!target_->sources().empty())
37*4882a593Smuzhiyun       rspfile += ".$unique_name";
38*4882a593Smuzhiyun     rspfile += ".rsp";
39*4882a593Smuzhiyun+
40*4882a593Smuzhiyun     out_ << "  rspfile = " << rspfile << std::endl;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun     // Response file contents.
43*4882a593Smuzhiyun--
44*4882a593Smuzhiyun2.20.1
45*4882a593Smuzhiyun
46