Merge topic 'output-compile-lines'

cdc2b41 Fix CompileCommandOutput test build on Windows
7039d1f Fix CompileCommandOutput test for Make tools not supporting spaces
4268e3d run_compile_commands: Cast istream::get() result to char
c45c60b run_compile_commands: Avoid extra stl vector conversion
7c5be51 run_compile_commands: Avoid shadow in std::map<>::at workaround
169bb05 Provide std::map<>::at for use in run_compile_commands
4e2185c Make std::map usage more portable in language=>flags/defines maps
a7e7a04 Fix run_compile_commands build on Apple GCC 3.3
c9174c0 Fix signed/unsigned comparison in EscapeJSON
8346a28 Only offer the compile command output feature on unix systems
0e6b05f Adds a test for the compile command line output.
5674844 make compile command output optional
fe07b05 implement cxx command output
65c0c24 cache flags and defines
3f064ef refactor flags and defines

17 files changed, 367 insertions, 45 deletions

diff --git a/Modules/CMakeGenericSystem.cmake b/Modules/CMakeGenericSystem.cmake
index b5d3072..6615849 100644
--- a/Modules/CMakeGenericSystem.cmake
+++ b/Modules/CMakeGenericSystem.cmake
@@ -50,6 +50,12 @@ IF(CMAKE_GENERATOR MATCHES "Makefiles")
   IF(DEFINED CMAKE_RULE_MESSAGES)
     SET_PROPERTY(GLOBAL PROPERTY RULE_MESSAGES ${CMAKE_RULE_MESSAGES})
   ENDIF(DEFINED CMAKE_RULE_MESSAGES)
+  IF(CMAKE_GENERATOR MATCHES "Unix Makefiles")
+    SET(CMAKE_EXPORT_COMPILE_COMMANDS OFF CACHE BOOL
+      "Enable/Disable output of compile commands during generation."
+      )
+    MARK_AS_ADVANCED(CMAKE_EXPORT_COMPILE_COMMANDS)
+  ENDIF(CMAKE_GENERATOR MATCHES "Unix Makefiles")
 ENDIF(CMAKE_GENERATOR MATCHES "Makefiles")
 
 
diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index 55ff87e..169d77d 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -30,6 +30,7 @@ cmGlobalUnixMakefileGenerator3::cmGlobalUnixMakefileGenerator3()
 #else
   this->UseLinkScript = true;
 #endif
+  this->CommandDatabase = NULL;
 }
 
 void cmGlobalUnixMakefileGenerator3
@@ -138,6 +139,17 @@ void cmGlobalUnixMakefileGenerator3
 }
 
 //----------------------------------------------------------------------------
+std::string EscapeJSON(const std::string& s) {
+  std::string result;
+  for (std::string::size_type i = 0; i < s.size(); ++i) {
+    if (s[i] == '"' || s[i] == '\\') {
+      result += '\\';
+    }
+    result += s[i];
+  }
+  return result;
+}
+
 void cmGlobalUnixMakefileGenerator3::Generate()
 {
   // first do superclass method
@@ -179,6 +191,35 @@ void cmGlobalUnixMakefileGenerator3::Generate()
   // write the main makefile
   this->WriteMainMakefile2();
   this->WriteMainCMakefile();
+
+  if (this->CommandDatabase != NULL) {
+    *this->CommandDatabase << std::endl << "]";
+    delete this->CommandDatabase;
+    this->CommandDatabase = NULL;
+  }
+}
+
+void cmGlobalUnixMakefileGenerator3::AddCXXCompileCommand(
+    const std::string &sourceFile, const std::string &workingDirectory,
+    const std::string &compileCommand) {
+  if (this->CommandDatabase == NULL)
+    {
+    std::string commandDatabaseName =
+      std::string(this->GetCMakeInstance()->GetHomeOutputDirectory())
+      + "/compile_commands.json";
+    this->CommandDatabase =
+      new cmGeneratedFileStream(commandDatabaseName.c_str());
+    *this->CommandDatabase << "[" << std::endl;
+    } else {
+    *this->CommandDatabase << "," << std::endl;
+    }
+  *this->CommandDatabase << "{" << std::endl
+      << "  \"directory\": \"" << EscapeJSON(workingDirectory) << "\","
+      << std::endl
+      << "  \"command\": \"" << EscapeJSON(compileCommand) << "\","
+      << std::endl
+      << "  \"file\": \"" << EscapeJSON(sourceFile) << "\""
+      << std::endl << "}";
 }
 
 void cmGlobalUnixMakefileGenerator3::WriteMainMakefile2()
diff --git a/Source/cmGlobalUnixMakefileGenerator3.h b/Source/cmGlobalUnixMakefileGenerator3.h
index 11174d7..d21d5b9 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.h
+++ b/Source/cmGlobalUnixMakefileGenerator3.h
@@ -112,6 +112,10 @@ public:
   /** Record per-target progress information.  */
   void RecordTargetProgress(cmMakefileTargetGenerator* tg);
 
+  void AddCXXCompileCommand(const std::string &sourceFile,
+                            const std::string &workingDirectory,
+                            const std::string &compileCommand);
+
 protected:
   void WriteMainMakefile2();
   void WriteMainCMakefile();
@@ -176,6 +180,8 @@ protected:
   size_t CountProgressMarksInTarget(cmTarget* target,
                                     std::set<cmTarget*>& emitted);
   size_t CountProgressMarksInAll(cmLocalUnixMakefileGenerator3* lg);
+
+  cmGeneratedFileStream *CommandDatabase;
 };
 
 #endif
diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index 69320da..d0df8f0 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -249,51 +249,17 @@ void cmMakefileTargetGenerator::WriteCommonCodeRules()
 }
 
 //----------------------------------------------------------------------------
-void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
+std::string cmMakefileTargetGenerator::GetFlags(const std::string &l)
 {
-  // write language flags for target
-  std::set<cmStdString> languages;
-  this->Target->GetLanguages(languages);
-    // put the compiler in the rules.make file so that if it changes
-  // things rebuild
-  for(std::set<cmStdString>::const_iterator l = languages.begin();
-      l != languages.end(); ++l)
-    {
-    cmStdString compiler = "CMAKE_";
-    compiler += *l;
-    compiler += "_COMPILER";
-    *this->FlagFileStream << "# compile " << l->c_str() << " with " << 
-      this->Makefile->GetSafeDefinition(compiler.c_str()) << "\n";
-    }
-
-  for(std::set<cmStdString>::const_iterator l = languages.begin();
-      l != languages.end(); ++l)
+  ByLanguageMap::iterator i = this->FlagsByLanguage.find(l);
+  if (i == this->FlagsByLanguage.end())
     {
-    const char *lang = l->c_str();
     std::string flags;
-    std::string defines;
+    const char *lang = l.c_str();
+
     bool shared = ((this->Target->GetType() == cmTarget::SHARED_LIBRARY) ||
                    (this->Target->GetType() == cmTarget::MODULE_LIBRARY));
 
-    // Add the export symbol definition for shared library objects.
-    if(const char* exportMacro = this->Target->GetExportMacro())
-      {
-      this->LocalGenerator->AppendDefines(defines, exportMacro, lang);
-      }
-
-    // Add preprocessor definitions for this target and configuration.
-    this->LocalGenerator->AppendDefines
-      (defines, this->Makefile->GetProperty("COMPILE_DEFINITIONS"), lang);
-    this->LocalGenerator->AppendDefines
-      (defines, this->Target->GetProperty("COMPILE_DEFINITIONS"), lang);
-    std::string defPropName = "COMPILE_DEFINITIONS_";
-    defPropName +=
-      cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName);
-    this->LocalGenerator->AppendDefines
-      (defines, this->Makefile->GetProperty(defPropName.c_str()), lang);
-    this->LocalGenerator->AppendDefines
-      (defines, this->Target->GetProperty(defPropName.c_str()), lang);
-
     // Add language feature flags.
     this->AddFeatureFlags(flags, lang);
 
@@ -301,7 +267,7 @@ void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
                                                lang, this->ConfigName);
 
     // Fortran-specific flags computed for this target.
-    if(*l == "Fortran")
+    if(l == "Fortran")
       {
       this->AddFortranFlags(flags);
       }
@@ -320,14 +286,73 @@ void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
     this->LocalGenerator->
       AppendFlags(flags,this->GetFrameworkFlags().c_str());
 
-    *this->FlagFileStream << lang << "_FLAGS = " << flags << "\n\n";
-    *this->FlagFileStream << lang << "_DEFINES = " << defines << "\n\n";
+    ByLanguageMap::value_type entry(l, flags);
+    i = this->FlagsByLanguage.insert(entry).first;
+    }
+  return i->second;
+}
+
+std::string cmMakefileTargetGenerator::GetDefines(const std::string &l)
+{
+  ByLanguageMap::iterator i = this->DefinesByLanguage.find(l);
+  if (i == this->DefinesByLanguage.end())
+    {
+    std::string defines;
+    const char *lang = l.c_str();
+    // Add the export symbol definition for shared library objects.
+    if(const char* exportMacro = this->Target->GetExportMacro())
+      {
+      this->LocalGenerator->AppendDefines(defines, exportMacro, lang);
+      }
+
+    // Add preprocessor definitions for this target and configuration.
+    this->LocalGenerator->AppendDefines
+      (defines, this->Makefile->GetProperty("COMPILE_DEFINITIONS"), lang);
+    this->LocalGenerator->AppendDefines
+      (defines, this->Target->GetProperty("COMPILE_DEFINITIONS"), lang);
+    std::string defPropName = "COMPILE_DEFINITIONS_";
+    defPropName +=
+      cmSystemTools::UpperCase(this->LocalGenerator->ConfigurationName);
+    this->LocalGenerator->AppendDefines
+      (defines, this->Makefile->GetProperty(defPropName.c_str()), lang);
+    this->LocalGenerator->AppendDefines
+      (defines, this->Target->GetProperty(defPropName.c_str()), lang);
+
+    ByLanguageMap::value_type entry(l, defines);
+    i = this->DefinesByLanguage.insert(entry).first;
+    }
+  return i->second;
+}
+
+void cmMakefileTargetGenerator::WriteTargetLanguageFlags()
+{
+  // write language flags for target
+  std::set<cmStdString> languages;
+  this->Target->GetLanguages(languages);
+    // put the compiler in the rules.make file so that if it changes
+  // things rebuild
+  for(std::set<cmStdString>::const_iterator l = languages.begin();
+      l != languages.end(); ++l)
+    {
+    cmStdString compiler = "CMAKE_";
+    compiler += *l;
+    compiler += "_COMPILER";
+    *this->FlagFileStream << "# compile " << l->c_str() << " with " <<
+      this->Makefile->GetSafeDefinition(compiler.c_str()) << "\n";
+    }
+
+  for(std::set<cmStdString>::const_iterator l = languages.begin();
+      l != languages.end(); ++l)
+    {
+    *this->FlagFileStream << *l << "_FLAGS = " << this->GetFlags(*l) << "\n\n";
+    *this->FlagFileStream << *l << "_DEFINES = " << this->GetDefines(*l) <<
+      "\n\n";
     }
 
   // Add target-specific flags.
   if(this->Target->GetProperty("COMPILE_FLAGS"))
     {
-    std::string flags;    
+    std::string flags;
     this->LocalGenerator->AppendFlags
       (flags, this->Target->GetProperty("COMPILE_FLAGS"));
     *this->FlagFileStream << "# TARGET_FLAGS = " << flags << "\n\n";
@@ -641,6 +666,9 @@ cmMakefileTargetGenerator
   vars.Flags = flags.c_str();
   vars.Defines = defines.c_str();
 
+  bool lang_is_c_or_cxx = ((strcmp(lang, "C") == 0) ||
+                           (strcmp(lang, "CXX") == 0));
+
   // Construct the compile rules.
   {
   std::string compileRuleVar = "CMAKE_";
@@ -651,6 +679,23 @@ cmMakefileTargetGenerator
   std::vector<std::string> compileCommands;
   cmSystemTools::ExpandListArgument(compileRule, compileCommands);
 
+  if (this->Makefile->IsOn("CMAKE_EXPORT_COMPILE_COMMANDS") &&
+      lang_is_c_or_cxx && compileCommands.size() == 1)
+    {
+    std::string compileCommand = compileCommands[0];
+    this->LocalGenerator->ExpandRuleVariables(compileCommand, vars);
+    std::string workingDirectory =
+      this->LocalGenerator->Convert(
+        this->Makefile->GetStartOutputDirectory(), cmLocalGenerator::FULL);
+    compileCommand.replace(compileCommand.find(langFlags),
+                           langFlags.size(), this->GetFlags(lang));
+    std::string langDefines = std::string("$(") + lang + "_DEFINES)";
+    compileCommand.replace(compileCommand.find(langDefines),
+                           langDefines.size(), this->GetDefines(lang));
+    this->GlobalGenerator->AddCXXCompileCommand(
+      source.GetFullPath(), workingDirectory, compileCommand);
+    }
+
   // Expand placeholders in the commands.
   for(std::vector<std::string>::iterator i = compileCommands.begin();
       i != compileCommands.end(); ++i)
@@ -691,8 +736,6 @@ cmMakefileTargetGenerator
       }
     }
 
-  bool lang_is_c_or_cxx = ((strcmp(lang, "C") == 0) ||
-                           (strcmp(lang, "CXX") == 0));
   bool do_preprocess_rules = lang_is_c_or_cxx &&
     this->LocalGenerator->GetCreatePreprocessedSourceRules();
   bool do_assembly_rules = lang_is_c_or_cxx &&
diff --git a/Source/cmMakefileTargetGenerator.h b/Source/cmMakefileTargetGenerator.h
index bd26795..b68f8bf 100644
--- a/Source/cmMakefileTargetGenerator.h
+++ b/Source/cmMakefileTargetGenerator.h
@@ -216,6 +216,12 @@ protected:
   std::string MacContentDirectory;
   std::set<cmStdString> MacContentFolders;
 
+  typedef std::map<cmStdString, cmStdString> ByLanguageMap;
+  std::string GetFlags(const std::string &l);
+  ByLanguageMap FlagsByLanguage;
+  std::string GetDefines(const std::string &l);
+  ByLanguageMap DefinesByLanguage;
+
   // Target-wide Fortran module output directory.
   bool FortranModuleDirectoryComputed;
   std::string FortranModuleDirectory;
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index b992054..dc63568 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -445,6 +445,13 @@ public:
       args.push_back(*arg);
       }
     }
+  void Store(std::vector<cmStdString>& args) const
+    {
+    for(char** arg = this->ArgV; arg && *arg; ++arg)
+      {
+      args.push_back(*arg);
+      }
+    }
 };
 
 //----------------------------------------------------------------------------
@@ -456,6 +463,15 @@ void cmSystemTools::ParseUnixCommandLine(const char* command,
   argv.Store(args);
 }
 
+//----------------------------------------------------------------------------
+void cmSystemTools::ParseUnixCommandLine(const char* command,
+                                         std::vector<cmStdString>& args)
+{
+  // Invoke the underlying parser.
+  cmSystemToolsArgV argv = cmsysSystem_Parse_CommandForUnix(command, 0);
+  argv.Store(args);
+}
+
 std::string cmSystemTools::EscapeWindowsShellArgument(const char* arg,
                                                       int shell_flags)
 {
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 78b9abf..fc85d4a 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -237,6 +237,8 @@ public:
   /** Parse arguments out of a unix command line string.  */
   static void ParseUnixCommandLine(const char* command,
                                    std::vector<std::string>& args);
+  static void ParseUnixCommandLine(const char* command,
+                                   std::vector<cmStdString>& args);
 
   /** Compute an escaped version of the given argument for use in a
       windows shell.  See kwsys/System.h.in for details.  */
diff --git a/Tests/CMakeLib/CMakeLists.txt b/Tests/CMakeLib/CMakeLists.txt
index bda2fa5..41bf034 100644
--- a/Tests/CMakeLib/CMakeLists.txt
+++ b/Tests/CMakeLib/CMakeLists.txt
@@ -30,3 +30,8 @@ endif()
 foreach(test ${CMakeLib_TESTS})
   add_test(CMakeLib.${test} CMakeLibTests ${test})
 endforeach()
+
+if(TEST_CompileCommandOutput)
+  add_executable(runcompilecommands run_compile_commands.cxx)
+  target_link_libraries(runcompilecommands CMakeLib)
+endif()
diff --git a/Tests/CMakeLib/run_compile_commands.cxx b/Tests/CMakeLib/run_compile_commands.cxx
new file mode 100644
index 0000000..3f141c5
--- /dev/null
+++ b/Tests/CMakeLib/run_compile_commands.cxx
@@ -0,0 +1,141 @@
+#include "cmSystemTools.h"
+
+class CompileCommandParser {
+public:
+  class CommandType: public std::map<cmStdString, cmStdString>
+  {
+  public:
+    cmStdString const& at(cmStdString const& k) const
+      {
+      const_iterator i = this->find(k);
+      if(i != this->end()) { return i->second; }
+      static cmStdString emptyString;
+      return emptyString;
+      }
+  };
+  typedef std::vector<CommandType> TranslationUnitsType;
+
+  CompileCommandParser(std::ifstream *input)
+  {
+    this->Input = input;
+  }
+
+  void Parse()
+  {
+    NextNonWhitespace();
+    ParseTranslationUnits();
+  }
+
+  const TranslationUnitsType& GetTranslationUnits()
+  {
+    return this->TranslationUnits;
+  }
+
+private:
+  void ParseTranslationUnits()
+  {
+    this->TranslationUnits = TranslationUnitsType();
+    ExpectOrDie('[', "at start of compile command file");
+    do
+      {
+      ParseTranslationUnit();
+      this->TranslationUnits.push_back(this->Command);
+      } while(Expect(','));
+    ExpectOrDie(']', "at end of array");
+  }
+
+  void ParseTranslationUnit()
+  {
+    this->Command = CommandType();
+    if(!Expect('{')) return;
+    if(Expect('}')) return;
+    do
+      {
+      ParseString();
+      std::string name = this->String;
+      ExpectOrDie(':', "between name and value");
+      ParseString();
+      std::string value = this->String;
+      this->Command[name] = value;
+      } while(Expect(','));
+    ExpectOrDie('}', "at end of object");
+  }
+
+  void ParseString()
+  {
+    this->String.clear();
+    if(!Expect('"')) return;
+    while (!Expect('"'))
+      {
+      Expect('\\');
+      this->String.push_back(C);
+      Next();
+      }
+  }
+
+  bool Expect(char c)
+  {
+    if(this->C == c)
+      {
+      NextNonWhitespace();
+      return true;
+      }
+    return false;
+  }
+
+  void ExpectOrDie(char c, const std::string & message)
+  {
+    if (!Expect(c))
+      ErrorExit(std::string("'") + c + "' expected " + message + ".");
+  }
+
+  void NextNonWhitespace()
+  {
+    do { Next(); } while (IsWhitespace());
+  }
+
+  void Next()
+  {
+    this->C = char(Input->get());
+    if (this->Input->bad()) ErrorExit("Unexpected end of file.");
+  }
+
+  void ErrorExit(const std::string &message) {
+    std::cout << "ERROR: " << message;
+    exit(1);
+  }
+
+  bool IsWhitespace()
+  {
+    return (this->C == ' ' || this->C == '\t' ||
+            this->C == '\n' || this->C == '\r');
+  }
+
+  char C;
+  TranslationUnitsType TranslationUnits;
+  CommandType Command;
+  std::string String;
+  std::ifstream *Input;
+};
+
+int main ()
+{
+  std::ifstream file("compile_commands.json");
+  CompileCommandParser parser(&file);
+  parser.Parse();
+  for(CompileCommandParser::TranslationUnitsType::const_iterator
+      it = parser.GetTranslationUnits().begin(),
+      end = parser.GetTranslationUnits().end(); it != end; ++it)
+    {
+    std::vector<cmStdString> command;
+    cmSystemTools::ParseUnixCommandLine(it->at("command").c_str(), command);
+    if (!cmSystemTools::RunSingleCommand(
+            command, 0, 0, it->at("directory").c_str()))
+      {
+      std::cout << "ERROR: Failed to run command \""
+                << command[0] << "\"" << std::endl;
+      exit(1);
+      }
+    }
+  return 0;
+}
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 157814e..e9aed16 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -11,6 +11,7 @@ MACRO(ADD_TEST_MACRO NAME COMMAND)
     --build-generator ${CMAKE_TEST_GENERATOR}
     --build-makeprogram ${CMAKE_TEST_MAKEPROGRAM}
     --build-project ${proj}
+    ${${NAME}_EXTRA_OPTIONS}
     --test-command ${COMMAND} ${ARGN})
   LIST(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/${dir}")
 ENDMACRO(ADD_TEST_MACRO)
@@ -39,6 +40,10 @@ CONFIGURE_FILE(${CMake_SOURCE_DIR}/Tests/EnforceConfig.cmake.in
 
 # Testing
 IF(BUILD_TESTING)
+  IF("${CMAKE_TEST_GENERATOR}" MATCHES "Unix Makefiles")
+    SET(TEST_CompileCommandOutput 1)
+  ENDIF()
+
   ADD_SUBDIRECTORY(CMakeLib)
 
   # Collect a list of all test build directories.
@@ -2031,6 +2036,13 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=master -P ${CMake_SOURCE_DIR}/Utilities/
     ENDIF()
     SET_TESTS_PROPERTIES(Contracts.${project} PROPERTIES TIMEOUT ${timeout})
   ENDFOREACH()
+
+  IF(TEST_CompileCommandOutput)
+    SET(CompileCommandOutput_EXTRA_OPTIONS
+      --build-options -DMAKE_SUPPORTS_SPACES=${MAKE_IS_GNU})
+    ADD_TEST_MACRO(CompileCommandOutput
+      "${CMake_BINARY_DIR}/Tests/CMakeLib/runcompilecommands")
+  ENDIF()
 ENDIF(BUILD_TESTING)
 
 SUBDIRS(CMakeTests)
diff --git a/Tests/CompileCommandOutput/CMakeLists.txt b/Tests/CompileCommandOutput/CMakeLists.txt
new file mode 100644
index 0000000..bd8e305
--- /dev/null
+++ b/Tests/CompileCommandOutput/CMakeLists.txt
@@ -0,0 +1,16 @@
+# a simple C only test case
+cmake_minimum_required (VERSION 2.6)
+project (CompileCommandOutput CXX)
+
+SET(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_DEBUG_POSTFIX "_test_debug_postfix")
+IF(MAKE_SUPPORTS_SPACES)
+  SET(test1_srcs "file with spaces.cxx")
+ELSE()
+  SET(test1_srcs "file_with_underscores.cxx")
+ENDIF()
+ADD_LIBRARY(test1 STATIC ${test1_srcs})
+ADD_LIBRARY(test2 SHARED "../CompileCommandOutput/relative.cxx")
+INCLUDE_DIRECTORIES(${CompileCommandOutput_SOURCE_DIR}/../../Source)
+ADD_EXECUTABLE(CompileCommandOutput compile_command_output.cxx)
+TARGET_LINK_LIBRARIES(CompileCommandOutput test1 test2)
diff --git a/Tests/CompileCommandOutput/compile_command_output.cxx b/Tests/CompileCommandOutput/compile_command_output.cxx
new file mode 100644
index 0000000..145a064
--- /dev/null
+++ b/Tests/CompileCommandOutput/compile_command_output.cxx
@@ -0,0 +1,9 @@
+#include "file_with_underscores.h"
+#include "relative.h"
+
+int main (int argc, char** argv)
+{
+  file_with_underscores();
+  relative();
+  return 0;
+}
diff --git a/Tests/CompileCommandOutput/file with spaces.cxx b/Tests/CompileCommandOutput/file with spaces.cxx
new file mode 100644
index 0000000..554e176
--- /dev/null
+++ b/Tests/CompileCommandOutput/file with spaces.cxx
@@ -0,0 +1 @@
+#include "file_with_underscores.cxx"
diff --git a/Tests/CompileCommandOutput/file_with_underscores.cxx b/Tests/CompileCommandOutput/file_with_underscores.cxx
new file mode 100644
index 0000000..4f42ccf
--- /dev/null
+++ b/Tests/CompileCommandOutput/file_with_underscores.cxx
@@ -0,0 +1,3 @@
+#include "file_with_underscores.h"
+
+void file_with_underscores() {}
diff --git a/Tests/CompileCommandOutput/file_with_underscores.h b/Tests/CompileCommandOutput/file_with_underscores.h
new file mode 100644
index 0000000..0d73e31
--- /dev/null
+++ b/Tests/CompileCommandOutput/file_with_underscores.h
@@ -0,0 +1 @@
+void file_with_underscores();
diff --git a/Tests/CompileCommandOutput/relative.cxx b/Tests/CompileCommandOutput/relative.cxx
new file mode 100644
index 0000000..eae11e2
--- /dev/null
+++ b/Tests/CompileCommandOutput/relative.cxx
@@ -0,0 +1,3 @@
+#include "relative.h"
+
+void relative() {}
diff --git a/Tests/CompileCommandOutput/relative.h b/Tests/CompileCommandOutput/relative.h
new file mode 100644
index 0000000..ddfe551
--- /dev/null
+++ b/Tests/CompileCommandOutput/relative.h
@@ -0,0 +1,11 @@
+#if defined(_WIN32)
+# ifdef test2_EXPORTS
+#  define TEST2_EXPORT __declspec(dllexport)
+# else
+#  define TEST2_EXPORT __declspec(dllimport)
+# endif
+#else
+# define TEST2_EXPORT
+#endif
+
+TEST2_EXPORT void relative();