diff options
Diffstat (limited to 'Source/cmSystemTools.cxx')
| -rw-r--r-- | Source/cmSystemTools.cxx | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx index 008272c..a89a6e0b 100644 --- a/Source/cmSystemTools.cxx +++ b/Source/cmSystemTools.cxx @@ -2565,6 +2565,7 @@ bool cmSystemTools::ChangeRPath(std::string const& file, *changed = false; } int rp_count = 0; + bool remove_rpath = true; cmSystemToolsRPathInfo rp[2]; { // Parse the ELF binary. @@ -2622,6 +2623,7 @@ bool cmSystemTools::ChangeRPath(std::string const& file, // If it contains the new rpath instead then it is okay. if(cmSystemToolsFindRPath(se[i]->Value, newRPath) != std::string::npos) { + remove_rpath = false; continue; } if(emsg) @@ -2642,13 +2644,30 @@ bool cmSystemTools::ChangeRPath(std::string const& file, rp[rp_count].Size = se[i]->Size; rp[rp_count].Name = se_name[i]; + std::string::size_type prefix_len = pos; + + // If oldRPath was at the end of the file's RPath, and newRPath is empty, + // we should remove the unnecessary ':' at the end. + if (newRPath.empty() && + pos > 0 && + se[i]->Value[pos - 1] == ':' && + pos + oldRPath.length() == se[i]->Value.length()) + { + prefix_len--; + } + // Construct the new value which preserves the part of the path // not being changed. - rp[rp_count].Value = se[i]->Value.substr(0, pos); + rp[rp_count].Value = se[i]->Value.substr(0, prefix_len); rp[rp_count].Value += newRPath; rp[rp_count].Value += se[i]->Value.substr(pos+oldRPath.length(), oldRPath.npos); + if (!rp[rp_count].Value.empty()) + { + remove_rpath = false; + } + // Make sure there is enough room to store the new rpath and at // least one null terminator. if(rp[rp_count].Size < rp[rp_count].Value.length()+1) @@ -2673,6 +2692,12 @@ bool cmSystemTools::ChangeRPath(std::string const& file, return true; } + // If the resulting rpath is empty, just remove the entire entry instead. + if (remove_rpath) + { + return cmSystemTools::RemoveRPath(file, emsg, changed); + } + { // Open the file for update. cmsys::ofstream f(file.c_str(), |