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Merge topic 'file-GENERATE-rerun' 

26e98c34 file(GENERATE): Re-run cmake when appropriate.
This commit is contained in:
Brad King 2014-11-25 10:18:29 -05:00 committed by CMake Topic Stage
parent c8da86a094 26e98c34dc
commit 6a2c7e1e0d
5 changed files with 40 additions and 0 deletions
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2
Source/cmGeneratorExpressionEvaluationFile.cxx
View File

@ -80,6 +80,7 @@ void cmGeneratorExpressionEvaluationFile::Generate(const std::string& config,
return;
}
this->Makefile->AddCMakeOutputFile(outputFileName.c_str());
this->Files.push_back(outputFileName);
outputFiles[outputFileName] = outputContent;
@ -117,6 +118,7 @@ void cmGeneratorExpressionEvaluationFile::Generate()
}
else
{
this->Makefile->AddCMakeDependFile(this->Input.c_str());
cmSystemTools::GetPermissions(this->Input.c_str(), perm);
cmsys::ifstream fin(this->Input.c_str());
if(!fin)

1
Tests/RunCMake/File_Generate/ReRunCMake-result.txt Normal file
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@ -0,0 +1 @@
0

1
Tests/RunCMake/File_Generate/ReRunCMake-stderr.txt Normal file
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@ -0,0 +1 @@
^$

5
Tests/RunCMake/File_Generate/ReRunCMake.cmake Normal file
View File

@ -0,0 +1,5 @@
file(GENERATE
OUTPUT output_file.txt
INPUT "${CMAKE_CURRENT_BINARY_DIR}/input_file.txt"
)

31
Tests/RunCMake/File_Generate/RunCMakeTest.cmake
View File

@ -61,3 +61,34 @@ if (UNIX AND EXISTS /bin/sh)
message(SEND_ERROR "Generated script did not execute correctly:\n${script_output}\n====\n${script_error}")
endif()
endif()
if (RunCMake_GENERATOR MATCHES Makefiles)
file(MAKE_DIRECTORY "${RunCMake_BINARY_DIR}/ReRunCMake-build/")
file(WRITE "${RunCMake_BINARY_DIR}/ReRunCMake-build/input_file.txt" "InitialContent\n")
set(RunCMake_TEST_NO_CLEAN ON)
run_cmake(ReRunCMake)
unset(RunCMake_TEST_NO_CLEAN)
file(TIMESTAMP "${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt" timestamp ${timeformat})
if(NOT timestamp)
message(SEND_ERROR "Could not get timestamp for \"${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt\"")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} -E sleep 1)
file(WRITE "${RunCMake_BINARY_DIR}/ReRunCMake-build/input_file.txt" "ChangedContent\n")
execute_process(COMMAND ${CMAKE_COMMAND} --build "${RunCMake_BINARY_DIR}/ReRunCMake-build/")
file(READ "${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt" out_content)
if(NOT out_content STREQUAL "ChangedContent\n")
message(SEND_ERROR "File did not change: \"${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt\"")
endif()
file(REMOVE "${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt")
execute_process(COMMAND ${CMAKE_COMMAND} --build "${RunCMake_BINARY_DIR}/ReRunCMake-build/")
if (NOT EXISTS "${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt")
message(SEND_ERROR "File did not re-generate: \"${RunCMake_BINARY_DIR}/ReRunCMake-build/output_file.txt\"")
endif()
endif()