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include_directories: Fix handling of empty or space-only entries

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This is a regression introduced in commit 0d46e9a0 (Store includes
from the same include_directories call together., 2013-01-20).

Reported at

 http://thread.gmane.org/gmane.comp.programming.tools.cmake.user/46695/focus=7847
This commit is contained in:
Stephen Kelly 2013-05-20 12:25:59 +02:00 committed by Brad King
parent 5dd8c01429
commit 2f84dfec93
3 changed files with 25 additions and 2 deletions
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15
Source/cmIncludeDirectoryCommand.cxx
View File

@ -116,13 +116,19 @@ void cmIncludeDirectoryCommand::GetIncludes(const std::string &arg,
{
std::string inc = arg.substr(lastPos,pos);
this->NormalizeInclude(inc);
incs.push_back(inc);
if (!inc.empty())
{
incs.push_back(inc);
}
}
lastPos = pos + 1;
}
std::string inc = arg.substr(lastPos);
this->NormalizeInclude(inc);
incs.push_back(inc);
if (!inc.empty())
{
incs.push_back(inc);
}
}
void cmIncludeDirectoryCommand::NormalizeInclude(std::string &inc)
@ -133,6 +139,11 @@ void cmIncludeDirectoryCommand::NormalizeInclude(std::string &inc)
{
inc.assign(inc, b, 1+e-b); // copy the remaining substring
}
else
{
inc = "";
return;
}
if (!cmSystemTools::IsOff(inc.c_str()))
{

11
Tests/IncludeDirectories/CMakeLists.txt
View File

@ -58,3 +58,14 @@ get_property(propContentAfter DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
if (NOT propContentAfter STREQUAL "")
message(SEND_ERROR "Clearing DIRECTORY property failed.")
endif()
add_library(empty_entry_test SHARED empty.cpp)
set_target_properties(empty_entry_test PROPERTIES INCLUDE_DIRECTORIES "")
include_directories(/one/two
" "
" "
)
get_target_property(incs empty_entry_test INCLUDE_DIRECTORIES)
if (NOT incs STREQUAL ";/one/two")
message(SEND_ERROR "Empty include_directories entry was not ignored.")
endif()

1
Tests/IncludeDirectories/empty.cpp Normal file
View File

@ -0,0 +1 @@
// No content