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Document target_link_libraries target scope (#11058) 

The target_link_libraries command requires its first argument to be a
target in the current directory.  Document this and update the error
message to be more specific.  While at it, format the error message with
a call stack.
This commit is contained in:
Brad King 2010-12-15 12:18:59 -05:00
parent a14a8562ea
commit 999ce0aa9c
2 changed files with 6 additions and 2 deletions
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4
Source/cmMakefile.cxx
View File

@ -1364,8 +1364,8 @@ void cmMakefile::AddLinkLibraryForTarget(const char *target,
cmOStringStream e; cmOStringStream e;
e << "Attempt to add link library \"" e << "Attempt to add link library \""
<< lib << "\" to target \"" << lib << "\" to target \""
<< target << "\" which is not built by this project."; << target << "\" which is not built in this directory.";
cmSystemTools::Error(e.str().c_str()); this->IssueMessage(cmake::FATAL_ERROR, e.str().c_str());
} }
} }

4
Source/cmTargetLinkLibrariesCommand.h
View File

@ -62,6 +62,10 @@ public:
" target_link_libraries(<target> [item1 [item2 [...]]]\n" " target_link_libraries(<target> [item1 [item2 [...]]]\n"
" [[debug|optimized|general] <item>] ...)\n" " [[debug|optimized|general] <item>] ...)\n"
"Specify libraries or flags to use when linking a given target. " "Specify libraries or flags to use when linking a given target. "
"The named <target> must have been created in the current directory "
"by a command such as add_executable or add_library. "
"The remaining arguments specify library names or flags."
"\n"
"If a library name matches that of another target in the project " "If a library name matches that of another target in the project "
"a dependency will automatically be added in the build system to make " "a dependency will automatically be added in the build system to make "
"sure the library being linked is up-to-date before the target links. " "sure the library being linked is up-to-date before the target links. "