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mirror of https://github.com/Kitware/CMake.git synced 2025-10-14 02:08:27 +08:00

separate_arguments: Fix crash on *_COMMAND with no arguments

Fixes: #21320
This commit is contained in:
Robert Bozzetto
2020-10-16 12:00:47 +11:00
committed by Brad King
parent b1d9a25f35
commit 747f80fe82
4 changed files with 20 additions and 0 deletions

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@@ -80,6 +80,11 @@ bool cmSeparateArgumentsCommand(std::vector<std::string> const& args,
return false;
}
if (unparsedArguments.empty()) {
status.GetMakefile().AddDefinition(var, {});
return true;
}
std::string& command = unparsedArguments.front();
if (command.empty()) {

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@@ -17,3 +17,8 @@ if(NOT "${native_out}" STREQUAL "${native_exp}")
message(FATAL_ERROR "separate_arguments native-style failed. "
"Expected\n [${native_exp}]\nbut got\n [${native_out}]\n")
endif()
separate_arguments(empty_out NATIVE_COMMAND)
if(NOT empty_out STREQUAL "")
message(FATAL_ERROR "separate_arguments native-style failed on no arguments")
endif()

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@@ -6,3 +6,8 @@ if(NOT "${unix_out}" STREQUAL "${unix_exp}")
message(FATAL_ERROR "separate_arguments unix-style failed. "
"Expected\n [${unix_exp}]\nbut got\n [${unix_out}]\n")
endif()
separate_arguments(empty_out UNIX_COMMAND)
if(NOT empty_out STREQUAL "")
message(FATAL_ERROR "separate_arguments unix-style failed on no arguments")
endif()

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@@ -6,3 +6,8 @@ if(NOT "${windows_out}" STREQUAL "${windows_exp}")
message(FATAL_ERROR "separate_arguments windows-style failed. "
"Expected\n [${windows_exp}]\nbut got\n [${windows_out}]\n")
endif()
separate_arguments(empty_out WINDOWS_COMMAND)
if(NOT empty_out STREQUAL "")
message(FATAL_ERROR "separate_arguments windows-style failed on no arguments")
endif()