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Merge topic 'enable-language-require-compiler' 

3e04946 Require CMAKE_<LANG>_COMPILER to be found as a full path
6007f7c CMakeDetermineCompilerId: Always use compiler detected from IDE
332771c CMakeDetermine*Compiler: Remove temporary cache entry
This commit is contained in:
Brad King 2013-10-28 08:39:29 -04:00 committed by CMake Topic Stage
parent ecc6d7f919 3e04946f7b
commit 16df2456a4
35 changed files with 233 additions and 39 deletions
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1
Modules/CMakeCCompilerId.c.in
View File

@ -228,6 +228,7 @@ char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]";
#endif
@CMAKE_C_COMPILER_ID_PLATFORM_CONTENT@
@CMAKE_C_COMPILER_ID_ERROR_FOR_TEST@
/*--------------------------------------------------------------------------*/

1
Modules/CMakeCXXCompilerId.cpp.in
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@ -221,6 +221,7 @@ char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]";
#endif
@CMAKE_CXX_COMPILER_ID_PLATFORM_CONTENT@
@CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST@
/*--------------------------------------------------------------------------*/

2
Modules/CMakeDetermineASMCompiler.cmake
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@ -59,10 +59,10 @@ else()
get_filename_component(_CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
if(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
find_program(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER})
mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
if(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
set(CMAKE_ASM${ASM_DIALECT}_COMPILER ${CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH} CACHE FILEPATH "Assembler" FORCE)
endif()
unset(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH CACHE)
endif()
endif()
mark_as_advanced(CMAKE_ASM${ASM_DIALECT}_COMPILER)

2
Modules/CMakeDetermineCCompiler.cmake
View File

@ -92,10 +92,10 @@ else()
get_filename_component(_CMAKE_USER_C_COMPILER_PATH "${CMAKE_C_COMPILER}" PATH)
if(NOT _CMAKE_USER_C_COMPILER_PATH)
find_program(CMAKE_C_COMPILER_WITH_PATH NAMES ${CMAKE_C_COMPILER})
mark_as_advanced(CMAKE_C_COMPILER_WITH_PATH)
if(CMAKE_C_COMPILER_WITH_PATH)
set(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_WITH_PATH} CACHE STRING "C compiler" FORCE)
endif()
unset(CMAKE_C_COMPILER_WITH_PATH CACHE)
endif()
endif()
mark_as_advanced(CMAKE_C_COMPILER)

2
Modules/CMakeDetermineCXXCompiler.cmake
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@ -91,10 +91,10 @@ else()
get_filename_component(_CMAKE_USER_CXX_COMPILER_PATH "${CMAKE_CXX_COMPILER}" PATH)
if(NOT _CMAKE_USER_CXX_COMPILER_PATH)
find_program(CMAKE_CXX_COMPILER_WITH_PATH NAMES ${CMAKE_CXX_COMPILER})
mark_as_advanced(CMAKE_CXX_COMPILER_WITH_PATH)
if(CMAKE_CXX_COMPILER_WITH_PATH)
set(CMAKE_CXX_COMPILER ${CMAKE_CXX_COMPILER_WITH_PATH} CACHE STRING "CXX compiler" FORCE)
endif()
unset(CMAKE_CXX_COMPILER_WITH_PATH CACHE)
endif()
endif()
mark_as_advanced(CMAKE_CXX_COMPILER)

4
Modules/CMakeDetermineCompilerId.cmake
View File

@ -67,13 +67,11 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
endif()
# Check if compiler id detection gave us the compiler tool.
if(NOT CMAKE_${lang}_COMPILER)
if(CMAKE_${lang}_COMPILER_ID_TOOL)
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
else()
elseif(NOT CMAKE_${lang}_COMPILER)
set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
endif()
endif()
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)

2
Modules/CMakeDetermineFortranCompiler.cmake
View File

@ -109,11 +109,11 @@ else()
get_filename_component(_CMAKE_USER_Fortran_COMPILER_PATH "${CMAKE_Fortran_COMPILER}" PATH)
if(NOT _CMAKE_USER_Fortran_COMPILER_PATH)
find_program(CMAKE_Fortran_COMPILER_WITH_PATH NAMES ${CMAKE_Fortran_COMPILER})
mark_as_advanced(CMAKE_Fortran_COMPILER_WITH_PATH)
if(CMAKE_Fortran_COMPILER_WITH_PATH)
set(CMAKE_Fortran_COMPILER ${CMAKE_Fortran_COMPILER_WITH_PATH}
CACHE STRING "Fortran compiler" FORCE)
endif()
unset(CMAKE_Fortran_COMPILER_WITH_PATH CACHE)
endif()
endif()
mark_as_advanced(CMAKE_Fortran_COMPILER)

120
Source/cmGlobalGenerator.cxx
View File

@ -138,15 +138,7 @@ void cmGlobalGenerator::ResolveLanguageCompiler(const std::string &lang,
if((path.size() == 0 || !cmSystemTools::FileExists(path.c_str()))
&& (optional==false))
{
std::string message = "your ";
message += lang;
message += " compiler: \"";
message += name;
message += "\" was not found. Please set ";
message += langComp;
message += " to a valid compiler path or name.";
cmSystemTools::Error(message.c_str());
path = name;
return;
}
std::string doc = lang;
doc += " compiler.";
@ -334,7 +326,7 @@ void cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
void
cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
cmMakefile *mf, bool)
cmMakefile *mf, bool optional)
{
if(languages.size() == 0)
{
@ -370,6 +362,8 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
}
}
bool fatalError = false;
mf->AddDefinition("RUN_CONFIGURE", true);
std::string rootBin = mf->GetHomeOutputDirectory();
rootBin += cmake::GetCMakeFilesDirectory();
@ -556,6 +550,65 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
this->SetLanguageEnabled("NONE", mf);
continue;
}
// Check that the compiler was found.
std::string compilerName = "CMAKE_";
compilerName += lang;
compilerName += "_COMPILER";
std::string compilerEnv = "CMAKE_";
compilerEnv += lang;
compilerEnv += "_COMPILER_ENV_VAR";
cmOStringStream noCompiler;
const char* compilerFile = mf->GetDefinition(compilerName.c_str());
if(!compilerFile || !*compilerFile ||
cmSystemTools::IsNOTFOUND(compilerFile))
{
noCompiler <<
"No " << compilerName << " could be found.\n"
;
}
else if(strcmp(lang, "RC") != 0)
{
if(!cmSystemTools::FileIsFullPath(compilerFile))
{
noCompiler <<
"The " << compilerName << ":\n"
" " << compilerFile << "\n"
"is not a full path and was not found in the PATH.\n"
;
}
else if(!cmSystemTools::FileExists(compilerFile))
{
noCompiler <<
"The " << compilerName << ":\n"
" " << compilerFile << "\n"
"is not a full path to an existing compiler tool.\n"
;
}
}
if(!noCompiler.str().empty())
{
// Skip testing this language since the compiler is not found.
needTestLanguage[lang] = false;
if(!optional)
{
// The compiler was not found and it is not optional. Remove
// CMake(LANG)Compiler.cmake so we try again next time CMake runs.
std::string compilerLangFile = rootBin;
compilerLangFile += "/CMake";
compilerLangFile += lang;
compilerLangFile += "Compiler.cmake";
cmSystemTools::RemoveFile(compilerLangFile.c_str());
if(!this->CMakeInstance->GetIsInTryCompile())
{
this->PrintCompilerAdvice(noCompiler, lang,
mf->GetDefinition(compilerEnv.c_str()));
mf->IssueMessage(cmake::FATAL_ERROR, noCompiler.str());
fatalError = true;
}
}
}
std::string langLoadedVar = "CMAKE_";
langLoadedVar += lang;
langLoadedVar += "_INFORMATION_LOADED";
@ -582,26 +635,12 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
}
this->LanguagesReady.insert(lang);
std::string compilerName = "CMAKE_";
compilerName += lang;
compilerName += "_COMPILER";
std::string compilerLangFile = rootBin;
compilerLangFile += "/CMake";
compilerLangFile += lang;
compilerLangFile += "Compiler.cmake";
// Test the compiler for the language just setup
// (but only if a compiler has been actually found)
// At this point we should have enough info for a try compile
// which is used in the backward stuff
// If the language is untested then test it now with a try compile.
if (!mf->IsSet(compilerName.c_str()))
{
// if the compiler did not work, then remove the
// CMake(LANG)Compiler.cmake file so that it will get tested the
// next time cmake is run
cmSystemTools::RemoveFile(compilerLangFile.c_str());
}
else if(needTestLanguage[lang])
if(needTestLanguage[lang])
{
if (!this->CMakeInstance->GetIsInTryCompile())
{
@ -622,6 +661,10 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
// next time cmake is run
if(!mf->IsOn(compilerWorks.c_str()))
{
std::string compilerLangFile = rootBin;
compilerLangFile += "/CMake";
compilerLangFile += lang;
compilerLangFile += "Compiler.cmake";
cmSystemTools::RemoveFile(compilerLangFile.c_str());
}
} // end if in try compile
@ -652,6 +695,33 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
{
mf->ReadListFile(0,projectCompatibility.c_str());
}
if(fatalError)
{
cmSystemTools::SetFatalErrorOccured();
}
}
//----------------------------------------------------------------------------
void cmGlobalGenerator::PrintCompilerAdvice(std::ostream& os,
std::string lang,
const char* envVar)
{
// Subclasses override this method if they do not support this advice.
os <<
"Tell CMake where to find the compiler by setting "
;
if(envVar)
{
os <<
"either the environment variable \"" << envVar << "\" or "
;
}
os <<
"the CMake cache entry CMAKE_" << lang << "_COMPILER "
"to the full path to the compiler, or to the compiler name "
"if it is in the PATH."
;
}
//----------------------------------------------------------------------------

2
Source/cmGlobalGenerator.h
View File

@ -392,6 +392,8 @@ private:
void WriteSummary();
void WriteSummary(cmTarget* target);
virtual void PrintCompilerAdvice(std::ostream& os, std::string lang,
const char* envVar);
void CheckCompilerIdCompatibility(cmMakefile* mf, std::string lang);
cmExternalMakefileProjectGenerator* ExtraGenerator;

1
Source/cmGlobalVisualStudioGenerator.h
View File

@ -107,6 +107,7 @@ protected:
const char* AdditionalPlatformDefinition;
private:
void PrintCompilerAdvice(std::ostream&, std::string, const char*) {}
void ComputeTargetObjects(cmGeneratorTarget* gt) const;
void FollowLinkDepends(cmTarget* target, std::set<cmTarget*>& linked);

1
Source/cmGlobalXCodeGenerator.h
View File

@ -210,6 +210,7 @@ protected:
std::vector<cmXCodeObject*> XCodeObjects;
cmXCodeObject* RootObject;
private:
void PrintCompilerAdvice(std::ostream&, std::string, const char*) {}
void ComputeTargetObjects(cmGeneratorTarget* gt) const;
std::string GetObjectsNormalDirectory(

1
Tests/RunCMake/CMakeLists.txt
View File

@ -60,6 +60,7 @@ add_RunCMake_test(CTest)
if(UNIX AND "${CMAKE_TEST_GENERATOR}" MATCHES "Unix Makefiles")
add_RunCMake_test(CompilerChange)
endif()
add_RunCMake_test(CompilerNotFound)
add_RunCMake_test(Configure)
add_RunCMake_test(DisallowedCommands)
add_RunCMake_test(ExternalData)

2
Tests/RunCMake/CompilerChange/EmptyCompiler-override.cmake Normal file
View File

@ -0,0 +1,2 @@
message(STATUS "CMAKE_C_COMPILER is \"${CMAKE_C_COMPILER}\"")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")

12
Tests/RunCMake/CompilerChange/EmptyCompiler-stderr.txt
View File

@ -1,5 +1,13 @@
You have changed variables that require your cache to be deleted.
Configure will be re-run and you may have to reset some variables.
The following variables have changed:
CMAKE_C_COMPILER= *(
|$)
CMAKE_C_COMPILER= *
+
CMake Error at EmptyCompiler.cmake:2 \(enable_language\):
No CMAKE_C_COMPILER could be found.
Tell CMake where to find the compiler by setting either the environment
variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
the compiler, or to the compiler name if it is in the PATH.
Call Stack \(most recent call first\):
CMakeLists.txt:6 \(include\)$

3
Tests/RunCMake/CompilerChange/EmptyCompiler.cmake
View File

@ -1,3 +1,2 @@
set(CMAKE_USER_MAKE_RULES_OVERRIDE_C ${CMAKE_CURRENT_LIST_DIR}/EmptyCompiler-override.cmake)
enable_language(C)
message(STATUS "CMAKE_C_COMPILER is \"${CMAKE_C_COMPILER}\"")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cc.cmake" "set(CMAKE_C_COMPILER \"${CMAKE_C_COMPILER}\")\n")

1
Tests/RunCMake/CompilerNotFound/BadCompilerC-result.txt Normal file
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@ -0,0 +1 @@
1

12
Tests/RunCMake/CompilerNotFound/BadCompilerC-stderr.txt Normal file
View File

@ -0,0 +1,12 @@
CMake Error at BadCompilerC.cmake:2 \(enable_language\):
The CMAKE_C_COMPILER:
no-C-compiler
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting either the environment
variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
the compiler, or to the compiler name if it is in the PATH.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

3
Tests/RunCMake/CompilerNotFound/BadCompilerC.cmake Normal file
View File

@ -0,0 +1,3 @@
set(CMAKE_C_COMPILER "no-C-compiler")
enable_language(C)
message(FATAL_ERROR "This error should not be reached.")

1
Tests/RunCMake/CompilerNotFound/BadCompilerCXX-result.txt Normal file
View File

@ -0,0 +1 @@
1

12
Tests/RunCMake/CompilerNotFound/BadCompilerCXX-stderr.txt Normal file
View File

@ -0,0 +1,12 @@
CMake Error at BadCompilerCXX.cmake:2 \(enable_language\):
The CMAKE_CXX_COMPILER:
no-CXX-compiler
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting either the environment
variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
to the compiler, or to the compiler name if it is in the PATH.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

3
Tests/RunCMake/CompilerNotFound/BadCompilerCXX.cmake Normal file
View File

@ -0,0 +1,3 @@
set(CMAKE_CXX_COMPILER "no-CXX-compiler")
enable_language(CXX)
message(FATAL_ERROR "This error should not be reached.")

1
Tests/RunCMake/CompilerNotFound/BadCompilerCandCXX-result.txt Normal file
View File

@ -0,0 +1 @@
1

25
Tests/RunCMake/CompilerNotFound/BadCompilerCandCXX-stderr.txt Normal file
View File

@ -0,0 +1,25 @@
CMake Error at BadCompilerCandCXX.cmake:3 \(project\):
The CMAKE_C_COMPILER:
no-C-compiler
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting either the environment
variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
the compiler, or to the compiler name if it is in the PATH.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)
+
CMake Error at BadCompilerCandCXX.cmake:3 \(project\):
The CMAKE_CXX_COMPILER:
no-CXX-compiler
is not a full path and was not found in the PATH.
Tell CMake where to find the compiler by setting either the environment
variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
to the compiler, or to the compiler name if it is in the PATH.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

4
Tests/RunCMake/CompilerNotFound/BadCompilerCandCXX.cmake Normal file
View File

@ -0,0 +1,4 @@
set(CMAKE_C_COMPILER "no-C-compiler")
set(CMAKE_CXX_COMPILER "no-CXX-compiler")
project(BadCompilerCandCXXInner C CXX)
message(FATAL_ERROR "This error should not be reached.")

3
Tests/RunCMake/CompilerNotFound/CMakeLists.txt Normal file
View File

@ -0,0 +1,3 @@
cmake_minimum_required(VERSION 2.8.4)
project(${RunCMake_TEST} NONE)
include(${RunCMake_TEST}.cmake)

1
Tests/RunCMake/CompilerNotFound/NoCompilerC-IDE-result.txt Normal file
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@ -0,0 +1 @@
1

5
Tests/RunCMake/CompilerNotFound/NoCompilerC-IDE-stderr.txt Normal file
View File

@ -0,0 +1,5 @@
CMake Error at NoCompilerC-IDE.cmake:2 \(enable_language\):
No CMAKE_C_COMPILER could be found.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

3
Tests/RunCMake/CompilerNotFound/NoCompilerC-IDE.cmake Normal file
View File

@ -0,0 +1,3 @@
set(CMAKE_C_COMPILER_ID_ERROR_FOR_TEST "#error NoCompilerC-IDE")
enable_language(C)
message(FATAL_ERROR "This error should not be reached.")

1
Tests/RunCMake/CompilerNotFound/NoCompilerCXX-IDE-result.txt Normal file
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@ -0,0 +1 @@
1

5
Tests/RunCMake/CompilerNotFound/NoCompilerCXX-IDE-stderr.txt Normal file
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@ -0,0 +1,5 @@
CMake Error at NoCompilerCXX-IDE.cmake:2 \(enable_language\):
No CMAKE_CXX_COMPILER could be found.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

3
Tests/RunCMake/CompilerNotFound/NoCompilerCXX-IDE.cmake Normal file
View File

@ -0,0 +1,3 @@
set(CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST "#error NoCompilerCXX-IDE")
enable_language(CXX)
message(FATAL_ERROR "This error should not be reached.")

1
Tests/RunCMake/CompilerNotFound/NoCompilerCandCXX-IDE-result.txt Normal file
View File

@ -0,0 +1 @@
1

11
Tests/RunCMake/CompilerNotFound/NoCompilerCandCXX-IDE-stderr.txt Normal file
View File

@ -0,0 +1,11 @@
CMake Error at NoCompilerCandCXX-IDE.cmake:3 \(project\):
No CMAKE_C_COMPILER could be found.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)
+
CMake Error at NoCompilerCandCXX-IDE.cmake:3 \(project\):
No CMAKE_CXX_COMPILER could be found.
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)$

4
Tests/RunCMake/CompilerNotFound/NoCompilerCandCXX-IDE.cmake Normal file
View File

@ -0,0 +1,4 @@
set(CMAKE_C_COMPILER_ID_ERROR_FOR_TEST "#error NoCompilerCandCXX-IDE")
set(CMAKE_CXX_COMPILER_ID_ERROR_FOR_TEST "#error NoCompilerCandCXX-IDE")
project(NoCompilerCandCXXInner C CXX)
message(FATAL_ERROR "This error should not be reached.")

11
Tests/RunCMake/CompilerNotFound/RunCMakeTest.cmake Normal file
View File

@ -0,0 +1,11 @@
include(RunCMake)
if("${RunCMake_GENERATOR}" MATCHES "Visual Studio|Xcode")
run_cmake(NoCompilerC-IDE)
run_cmake(NoCompilerCXX-IDE)
run_cmake(NoCompilerCandCXX-IDE)
else()
run_cmake(BadCompilerC)
run_cmake(BadCompilerCXX)
run_cmake(BadCompilerCandCXX)
endif()