ENH: add the unix makefile generator as an option from the windows GUI, this builds with mingw, cygwin, and combinations of make cl, bcc32

Modules/CMakeCCompiler.cmake.in

@@ -3,4 +3,14 @@ SET(CMAKE_AR "@CMAKE_AR@")
 SET(CMAKE_RANLIB "@CMAKE_RANLIB@")
 SET(CMAKE_COMPILER_IS_GNUCC @CMAKE_COMPILER_IS_GNUCC@)
 SET(CMAKE_C_COMPILER_LOADED 1)
+SET(CMAKE_COMPILER_IS_MINGW @CMAKE_COMPILER_IS_MINGW@)
+SET(CMAKE_COMPILER_IS_CYGWIN @CMAKE_COMPILER_IS_CYGWIN@)
+IF(CMAKE_COMPILER_IS_CYGWIN)
+  SET(CYGWIN 1)
+  SET(UNIX 1)
+ENDIF(CMAKE_COMPILER_IS_CYGWIN)
+
+IF(CMAKE_COMPILER_IS_MINGW)
+  SET(MINGW 1)
+ENDIF(CMAKE_COMPILER_IS_MINGW)
 

Modules/CMakeDetermineCCompiler.cmake

@@ -59,6 +59,13 @@ IF(NOT CMAKE_COMPILER_RETURN)
       "Determining if the C compiler is GNU failed with "
       "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n")
   ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
+  IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" )
+    SET(CMAKE_COMPILER_IS_MINGW 1)
+  ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" )
+  IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
+    SET(CMAKE_COMPILER_IS_CYGWIN 1)
+  ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
+
 ENDIF(NOT CMAKE_COMPILER_RETURN)
 
 

Modules/CMakeSystemSpecificInformation.cmake

@@ -57,9 +57,9 @@ ENDIF(EXISTS ${CMAKE_SYSTEM_INFO_FILE})
 IF(CMAKE_C_COMPILER)
   GET_FILENAME_COMPONENT(CMAKE_BASE_NAME ${CMAKE_C_COMPILER} NAME_WE)
   # since the gnu compiler has several names force gcc
-  IF(CMAKE_COMPILER_IS_GNUGCC)
+  IF(CMAKE_COMPILER_IS_GNUCC)
      SET(CMAKE_BASE_NAME gcc)
-  ENDIF(CMAKE_COMPILER_IS_GNUGCC)
+  ENDIF(CMAKE_COMPILER_IS_GNUCC)
   SET(CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE 
       ${CMAKE_ROOT}/Modules/Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}.cmake)
   INCLUDE(${CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE} OPTIONAL)

Modules/CMakeTestCCompiler.cmake

@@ -1,6 +1,6 @@
 # This file is used by EnableLanguage in cmGlobalGenerator to
 # determine that that selected C compiler can actually compile
-# and like the most basic of programs.   If not, a fatel error
+# and link the most basic of programs.   If not, a fatel error
 # is set and cmake stops processing commands and will not generate
 # any makefiles or projects.
 IF(NOT CMAKE_C_COMPILER_WORKS)

Modules/CMakeTestCXXCompiler.cmake

@@ -1,6 +1,6 @@
 # This file is used by EnableLanguage in cmGlobalGenerator to
 # determine that that selected C++ compiler can actually compile
-# and like the most basic of programs.   If not, a fatel error
+# and link the most basic of programs.   If not, a fatel error
 # is set and cmake stops processing commands and will not generate
 # any makefiles or projects.
 IF(NOT CMAKE_CXX_COMPILER_WORKS)

Modules/CMakeTestGNU.c

@@ -1,3 +1,9 @@
 #ifdef __GNUC__
 void THIS_IS_GNU();
 #endif
+#ifdef __MINGW32__
+void THIS_IS_MINGW();
+#endif
+#ifdef __CYGWIN__
+void THIS_IS_CYGWIN();
+#endif

Modules/Platform/Windows-bcc32.cmake

@@ -14,9 +14,8 @@ SET(CMAKE_LIBRARY_PATH_FLAG "-L")
 SET(CMAKE_LINK_LIBRARY_FLAG "")
 SET(CMAKE_SHARED_BUILD_CXX_FLAGS "-tWR")
 SET(CMAKE_SHARED_BUILD_C_FLAGS "-tWR")
+SET(BORLAND 1)
 
-SET(CMAKE_START_TEMP_FILE "@&&|\n")
-SET(CMAKE_END_TEMP_FILE "\n|")
 # uncomment these out to debug makefiles
 #SET(CMAKE_START_TEMP_FILE "")
 #SET(CMAKE_END_TEMP_FILE "")

Modules/Platform/Windows-cl.cmake

@@ -1,13 +1,6 @@
 SET(CMAKE_LIBRARY_PATH_FLAG "-LIBPATH:")
 SET(CMAKE_LINK_LIBRARY_FLAG "")
-
-SET(CMAKE_START_TEMP_FILE "@<<\n")
-SET(CMAKE_END_TEMP_FILE "\n<<")
-# uncomment these out to debug makefiles
-#SET(CMAKE_START_TEMP_FILE "")
-#SET(CMAKE_END_TEMP_FILE "")
-#SET(CMAKE_VERBOSE_MAKEFILE 1)
-
+SET(WIN32 1)
 # create a shared C++ library
 SET(CMAKE_CXX_CREATE_SHARED_LIBRARY 
  "link /nologo ${CMAKE_START_TEMP_FILE}  /out:<TARGET> /dll  <LINK_FLAGS> <OBJECTS> <LINK_LIBRARIES> ${CMAKE_END_TEMP_FILE}")

Modules/Platform/Windows.cmake

@@ -4,3 +4,25 @@ SET(CMAKE_SHARED_LIBRARY_PREFIX "")          # lib
 SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")          # .so
 SET(CMAKE_LINK_LIBRARY_SUFFIX ".lib")
 SET(CMAKE_DL_LIBS "")
+
+# for borland make long command lines are redirected to a file
+# with the following syntax, see Windows-bcc32.cmake for use
+IF(CMAKE_GENERATOR MATCHES "Borland")
+  SET(CMAKE_START_TEMP_FILE "@&&|\n")
+  SET(CMAKE_END_TEMP_FILE "\n|")
+ENDIF(CMAKE_GENERATOR MATCHES "Borland")
+
+# for nmake make long command lines are redirected to a file
+# with the following syntax, see Windows-bcc32.cmake for use
+IF(CMAKE_GENERATOR MATCHES "NMake")
+  SET(CMAKE_START_TEMP_FILE "@<<\n")
+  SET(CMAKE_END_TEMP_FILE "\n<<")
+ENDIF(CMAKE_GENERATOR MATCHES "NMake")
+
+# uncomment these out to debug nmake and borland makefiles
+#SET(CMAKE_START_TEMP_FILE "")
+#SET(CMAKE_END_TEMP_FILE "")
+#SET(CMAKE_VERBOSE_MAKEFILE 1)
+
+  
+

Source/CMakeLists.txt

@@ -69,18 +69,21 @@ IF (WIN32)
       cmGlobalNMakeMakefileGenerator.cxx
       cmGlobalVisualStudio6Generator.cxx
       cmLocalVisualStudio6Generator.cxx
-                    cmGlobalVisualStudio71Generator.cxx
-                    cmGlobalVisualStudio7Generator.cxx
-                    cmLocalVisualStudio7Generator.cxx
       cmGlobalBorlandMakefileGenerator.h
       cmGlobalNMakeMakefileGenerator.h
       cmGlobalVisualStudio6Generator.h
       cmLocalVisualStudio6Generator.h
-                    cmGlobalVisualStudio7Generator.h
-                    cmLocalVisualStudio7Generator.h
       cmWin32ProcessExecution.cxx
       cmWin32ProcessExecution.h
       )
+    IF(NOT MINGW)
+      SET(SRCS ${SRCS}
+        cmGlobalVisualStudio7Generator.h
+        cmLocalVisualStudio7Generator.h
+        cmGlobalVisualStudio71Generator.cxx
+        cmGlobalVisualStudio7Generator.cxx
+        cmLocalVisualStudio7Generator.cxx)
+    ENDIF(NOT MINGW)
   ENDIF(NOT UNIX)
 ENDIF (WIN32)
 
@@ -95,10 +98,12 @@ LINK_DIRECTORIES(${CMake_BINARY_DIR}/Source)
 IF (WIN32)
   IF(NOT UNIX)
     IF( NOT BORLAND )
+      IF(NOT MINGW )
         LINK_LIBRARIES( rpcrt4.lib )
         ADD_EXECUTABLE(cmw9xcom cmw9xcom.cxx)
         TARGET_LINK_LIBRARIES(cmw9xcom CMakeLib)
         SUBDIRS(MFCDialog)
+      ENDIF(NOT MINGW )
     ENDIF( NOT BORLAND )
   ENDIF(NOT UNIX)
 ENDIF (WIN32)

Source/CTest/Curl/telnet.c

@@ -1105,7 +1105,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
         ssize_t bytes_written;
         char *buffer = buf;
               
-        if(!ReadFile(stdin_handle, buf, 255, &(DWORD)nread, NULL)) {
+        if(!ReadFile(stdin_handle, buf, 255, ((DWORD*)&nread), NULL)) {
           keepon = FALSE;
           break;
         }

Source/cmDynamicLoader.cxx

@@ -266,7 +266,7 @@ cmDynamicLoader::GetSymbolAddress(cmLibHandle lib, const char* sym)
   delete [] wsym;
   void* result = ret;
 #else
-  void* result = GetProcAddress(lib, sym);
+  void* result = (void*)GetProcAddress(lib, sym);
 #endif
   // Hack to cast pointer-to-data to pointer-to-function.
   return *reinterpret_cast<cmDynamicLoaderFunction*>(&result);

Source/cmGlobalBorlandMakefileGenerator.cxx

@@ -21,6 +21,7 @@
 cmGlobalBorlandMakefileGenerator::cmGlobalBorlandMakefileGenerator()
 {
   m_FindMakeProgramFile = "CMakeBorlandFindMake.cmake";
+  m_ForceUnixPaths = false;
 }
 
 void cmGlobalBorlandMakefileGenerator::EnableLanguage(const char* l,

Source/cmGlobalGenerator.cxx

@@ -28,7 +28,8 @@ int cmGlobalGenerator::s_TryCompileTimeout = 0;
 
 cmGlobalGenerator::cmGlobalGenerator()
 {
-// do nothing duh
+  // by default use the native paths
+  m_ForceUnixPaths = false;
 }
 
 cmGlobalGenerator::~cmGlobalGenerator()

Source/cmGlobalGenerator.h

@@ -104,7 +104,9 @@ public:
   void GetLocalGenerators(std::vector<cmLocalGenerator *>&g) { g = m_LocalGenerators;}
   static int s_TryCompileTimeout;
   
+  bool GetForceUnixPaths() {return m_ForceUnixPaths;}
 protected:
+  bool m_ForceUnixPaths;
   cmStdString m_FindMakeProgramFile;
   cmStdString m_ConfiguredFilesPath;
   cmake *m_CMakeInstance;

Source/cmGlobalNMakeMakefileGenerator.cxx

@@ -22,6 +22,7 @@
 cmGlobalNMakeMakefileGenerator::cmGlobalNMakeMakefileGenerator()
 {
   m_FindMakeProgramFile = "CMakeNMakeFindMake.cmake";
+  m_ForceUnixPaths = false;
 }
 
 void cmGlobalNMakeMakefileGenerator::EnableLanguage(const char* l,

Source/cmGlobalUnixMakefileGenerator.cxx

@@ -22,6 +22,8 @@
 
 cmGlobalUnixMakefileGenerator::cmGlobalUnixMakefileGenerator()
 {
+  // This type of makefile always requires unix style paths
+  m_ForceUnixPaths = true;
   m_FindMakeProgramFile = "CMakeUnixFindMake.cmake";
 }
 

Source/cmLocalUnixMakefileGenerator.cxx

@@ -2117,7 +2117,7 @@ cmLocalUnixMakefileGenerator::ConvertToOutputForExisting(const char* p)
       {
       if(!cmSystemTools::GetShortPath(ret.c_str(), ret))
         {
-        ret = p;
+        ret = cmSystemTools::ConvertToOutputPath(p);
         }
       }
     }

Source/cmSystemTools.cxx

@@ -48,6 +48,7 @@ bool cmSystemTools::s_DisableRunCommandOutput = false;
 bool cmSystemTools::s_ErrorOccured = false;
 bool cmSystemTools::s_FatalErrorOccured = false;
 bool cmSystemTools::s_DisableMessages = false;
+bool cmSystemTools::s_ForceUnixPaths = false;
 
 std::string cmSystemTools::s_Windows9xComspecSubstitute = "command.com";
 void cmSystemTools::SetWindows9xComspecSubstitute(const char* str)
@@ -1032,3 +1033,17 @@ bool cmSystemTools::Split(const char* s, std::vector<cmStdString>& l)
     }
   return true;
 }
+
+std::string cmSystemTools::ConvertToOutputPath(const char* path)
+{
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  if(s_ForceUnixPaths)
+    {
+    return cmSystemTools::ConvertToUnixOutputPath(path);
+    }
+  return cmSystemTools::ConvertToWindowsOutputPath(path);
+#else
+  return cmSystemTools::ConvertToUnixOutputPath(path);
+#endif
+}
+

Source/cmSystemTools.h

@@ -235,8 +235,14 @@ public:
   /** Split a string on its newlines into multiple lines.  Returns
       false only if the last line stored had no newline.  */
   static bool Split(const char* s, std::vector<cmStdString>& l);  
+  static void SetForceUnixPaths(bool v)
+    {
+      s_ForceUnixPaths = v;
+    }
+  static std::string ConvertToOutputPath(const char* path);
   
 private:
+  static bool s_ForceUnixPaths;
   static bool s_RunCommandHideConsole;
   static bool s_ErrorOccured;
   static bool s_FatalErrorOccured;

Source/cmWin32ProcessExecution.cxx

@@ -291,16 +291,17 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
 {
   PROCESS_INFORMATION piProcInfo;
   STARTUPINFO siStartInfo;
-  char *s1,*s2, *s3 = " /c ";
+  char *s1=0,*s2=0, *s3 = " /c ";
   int i;
   int x;
   if (i = GetEnvironmentVariable("COMSPEC",NULL,0)) 
     {
     char *comshell;
 
-    s1 = (char *)_alloca(i);
+    s1 = (char *)malloc(i);
     if (!(x = GetEnvironmentVariable("COMSPEC", s1, i)))
       {
+      free(s1);
       return x;
       }
 
@@ -317,7 +318,7 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
       {
       /* NT/2000 and not using command.com. */
       x = i + (int)strlen(s3) + (int)strlen(cmdstring) + 1;
-      s2 = (char *)_alloca(x);
+      s2 = (char *)malloc(x);
       ZeroMemory(s2, x);
       //sprintf(s2, "%s%s%s", s1, s3, cmdstring);
       sprintf(s2, "%s", cmdstring);
@@ -367,14 +368,19 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
             << "' which is needed "
             "for popen to work with your shell "
             "or platform." << std::endl;    
+          free(s1);
+          free(s2);
           return FALSE;
           }
         }
       x = i + (int)strlen(s3) + (int)strlen(cmdstring) + 1 +
         (int)strlen(modulepath) + 
         (int)strlen(szConsoleSpawn) + 1;
-
-      s2 = (char *)_alloca(x);
+      if(s2)
+        {
+        free(s2);
+        }
+      s2 = (char *)malloc(x);
       ZeroMemory(s2, x);
       sprintf(
         s2,
@@ -397,6 +403,8 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
     {
     std::cout << "Cannot locate a COMSPEC environment variable to "
               << "use as the shell" << std::endl; 
+    free(s2);
+    free(s1);
     return FALSE;
     }
   
@@ -429,11 +437,15 @@ static BOOL RealPopenCreateProcess(const char *cmdstring,
     /* Return process handle */
     *hProcess = piProcInfo.hProcess;
     //std::cout << "Process created..." << std::endl;
+    free(s2);
+    free(s1);
     return TRUE;
     }
   output += "CreateProcessError ";
   output += s2;
   output += "\n";
+  free(s2);
+  free(s1);
   return FALSE;
 }
 

Source/cmake.cxx

@@ -26,10 +26,13 @@
 // include the generator
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #include "cmGlobalVisualStudio6Generator.h"
+#if !defined(__MINGW32__)
 #include "cmGlobalVisualStudio7Generator.h"
 #include "cmGlobalVisualStudio71Generator.h"
+#endif
 #include "cmGlobalBorlandMakefileGenerator.h"
 #include "cmGlobalNMakeMakefileGenerator.h"
+#include "cmGlobalUnixMakefileGenerator.h"
 #include "cmWin32ProcessExecution.h"
 #else
 #include "cmGlobalUnixMakefileGenerator.h"
@@ -795,6 +798,10 @@ void cmake::SetGlobalGenerator(cmGlobalGenerator *gg)
 
   // set the new
   m_GlobalGenerator = gg;
+  // set the global flag for unix style paths on cmSystemTools as 
+  // soon as the generator is set.  This allows gmake to be used
+  // on windows.
+  cmSystemTools::SetForceUnixPaths(m_GlobalGenerator->GetForceUnixPaths());
   // Save the environment variables CXX and CC
   m_CXXEnvironment = getenv("CXX");
   m_CCEnvironment = getenv("CC");    
@@ -877,6 +884,10 @@ int cmake::Configure()
     if(genName)
       {
       m_GlobalGenerator = this->CreateGlobalGenerator(genName);
+      // set the global flag for unix style paths on cmSystemTools as 
+      // soon as the generator is set.  This allows gmake to be used
+      // on windows.
+      cmSystemTools::SetForceUnixPaths(m_GlobalGenerator->GetForceUnixPaths());
       }
     else
       {
@@ -1065,6 +1076,10 @@ int cmake::LocalGenerate()
   if(genName)
     {
     m_GlobalGenerator = this->CreateGlobalGenerator(genName);
+    // set the global flag for unix style paths on cmSystemTools as 
+    // soon as the generator is set.  This allows gmake to be used
+    // on windows.
+    cmSystemTools::SetForceUnixPaths(m_GlobalGenerator->GetForceUnixPaths());
     }
   else
     {
@@ -1151,10 +1166,12 @@ void cmake::AddDefaultGenerators()
 #if defined(_WIN32) && !defined(__CYGWIN__)
   m_Generators[cmGlobalVisualStudio6Generator::GetActualName()] =
     &cmGlobalVisualStudio6Generator::New;
+#if !defined(__MINGW32__)
   m_Generators[cmGlobalVisualStudio7Generator::GetActualName()] =
     &cmGlobalVisualStudio7Generator::New;
   m_Generators[cmGlobalVisualStudio71Generator::GetActualName()] =
     &cmGlobalVisualStudio71Generator::New;
+#endif
   m_Generators[cmGlobalBorlandMakefileGenerator::GetActualName()] =
     &cmGlobalBorlandMakefileGenerator::New;
   m_Generators[cmGlobalNMakeMakefileGenerator::GetActualName()] =
@@ -1163,10 +1180,10 @@ void cmake::AddDefaultGenerators()
 # if defined(__APPLE__) && defined(CMAKE_BUILD_WITH_CMAKE)
   m_Generators[cmGlobalCodeWarriorGenerator::GetActualName()] =
     &cmGlobalCodeWarriorGenerator::New;
+# endif
 #endif
   m_Generators[cmGlobalUnixMakefileGenerator::GetActualName()] =
     &cmGlobalUnixMakefileGenerator::New;
-#endif
 }
 
 int cmake::LoadCache()

Source/kwsys/SystemTools.cxx

@@ -38,7 +38,7 @@
 #include <sys/wait.h>
 #endif
 
-#if defined(_WIN32) && (defined(_MSC_VER) || defined(__BORLANDC__))
+#if defined(_WIN32) && (defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__))
 #include <string.h>
 #include <windows.h>
 #include <direct.h>