Watcom: Enable 'WMake Makefiles' generator on Linux

Source/CMakeLists.txt

@@ -404,7 +404,6 @@ if (WIN32)
       cmGlobalVisualStudio12Generator.cxx
       cmGlobalVisualStudioGenerator.cxx
       cmGlobalVisualStudioGenerator.h
-      cmGlobalWatcomWMakeGenerator.cxx
       cmIDEFlagTable.h
       cmIDEOptions.cxx
       cmIDEOptions.h
@@ -424,6 +423,15 @@ if (WIN32)
   endif()
 endif ()
 
+# Watcom support
+if(WIN32 OR "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+  set_property(SOURCE cmake.cxx APPEND PROPERTY COMPILE_DEFINITIONS CMAKE_USE_WMAKE)
+  list(APPEND SRCS
+    cmGlobalWatcomWMakeGenerator.cxx
+    cmGlobalWatcomWMakeGenerator.h
+    )
+endif()
+
 # Ninja support
 set(SRCS ${SRCS}
   cmGlobalNinjaGenerator.cxx

Source/cmGlobalWatcomWMakeGenerator.cxx

@@ -16,7 +16,9 @@
 cmGlobalWatcomWMakeGenerator::cmGlobalWatcomWMakeGenerator()
 {
   this->FindMakeProgramFile = "CMakeFindWMake.cmake";
+#ifdef _WIN32
   this->ForceUnixPaths = false;
+#endif
   this->ToolSupportsColor = true;
   this->NeedSymbolicMark = true;
   this->EmptyRuleHackCommand = "@cd .";
@@ -44,7 +46,9 @@ cmLocalGenerator *cmGlobalWatcomWMakeGenerator::CreateLocalGenerator()
 {
   cmLocalUnixMakefileGenerator3* lg = new cmLocalUnixMakefileGenerator3;
   lg->SetDefineWindowsNULL(true);
+#ifdef _WIN32
   lg->SetWindowsShell(true);
+#endif
   lg->SetWatcomWMake(true);
   lg->SetMakeSilentFlag("-h");
   lg->SetGlobalGenerator(this);

Source/cmake.cxx

@@ -60,13 +60,15 @@
 #    include "cmGlobalBorlandMakefileGenerator.h"
 #    include "cmGlobalNMakeMakefileGenerator.h"
 #    include "cmGlobalJOMMakefileGenerator.h"
-#    include "cmGlobalWatcomWMakeGenerator.h"
 #    define CMAKE_HAVE_VS_GENERATORS
 #  endif
 #  include "cmGlobalMSYSMakefileGenerator.h"
 #  include "cmGlobalMinGWMakefileGenerator.h"
 #else
 #endif
+#if defined(CMAKE_USE_WMAKE)
+# include "cmGlobalWatcomWMakeGenerator.h"
+#endif
 #include "cmGlobalUnixMakefileGenerator3.h"
 #include "cmGlobalNinjaGenerator.h"
 #include "cmExtraCodeLiteGenerator.h"
@@ -1781,8 +1783,6 @@ void cmake::AddDefaultGenerators()
     cmGlobalNMakeMakefileGenerator::NewFactory());
   this->Generators.push_back(
     cmGlobalJOMMakefileGenerator::NewFactory());
-  this->Generators.push_back(
-    cmGlobalWatcomWMakeGenerator::NewFactory());
 # endif
   this->Generators.push_back(
     cmGlobalMSYSMakefileGenerator::NewFactory());
@@ -1793,6 +1793,10 @@ void cmake::AddDefaultGenerators()
     cmGlobalUnixMakefileGenerator3::NewFactory());
   this->Generators.push_back(
     cmGlobalNinjaGenerator::NewFactory());
+#if defined(CMAKE_USE_WMAKE)
+  this->Generators.push_back(
+    cmGlobalWatcomWMakeGenerator::NewFactory());
+#endif
 #ifdef CMAKE_USE_XCODE
   this->Generators.push_back(
     cmGlobalXCodeGenerator::NewFactory());