Merge topic 'GNU-to-MS'

ae62a1c Test CMAKE_GNUtoMS option in ExportImport on MinGW and MSys
afb00fe Add CMAKE_GNUtoMS option to convert GNU .dll.a to MS .lib
61e8629 Factor makefile generator link rule lookup into helper function
a603250 Load platform files that need to know the ABI when possible
ecd8414 Fortran: Detect pointer size in gfortran on MinGW

15 files changed, 116 insertions, 0 deletions

diff --git a/Modules/CMakeCInformation.cmake b/Modules/CMakeCInformation.cmake
index 9285fefb25..6b5efba9d0 100644
--- a/Modules/CMakeCInformation.cmake
+++ b/Modules/CMakeCInformation.cmake
@@ -68,6 +68,12 @@ IF (NOT _INCLUDED_FILE)
   INCLUDE(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
 ENDIF (NOT _INCLUDED_FILE)
 
+IF(CMAKE_C_SIZEOF_DATA_PTR)
+  FOREACH(f ${CMAKE_C_ABI_FILES})
+    INCLUDE(${f})
+  ENDFOREACH()
+  UNSET(CMAKE_C_ABI_FILES)
+ENDIF()
 
 # This should be included before the _INIT variables are
 # used to initialize the cache.  Since the rule variables 
diff --git a/Modules/CMakeCXXInformation.cmake b/Modules/CMakeCXXInformation.cmake
index 620de634e7..b97a69c3bf 100644
--- a/Modules/CMakeCXXInformation.cmake
+++ b/Modules/CMakeCXXInformation.cmake
@@ -67,6 +67,12 @@ IF (NOT _INCLUDED_FILE)
   INCLUDE(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
 ENDIF (NOT _INCLUDED_FILE)
 
+IF(CMAKE_CXX_SIZEOF_DATA_PTR)
+  FOREACH(f ${CMAKE_CXX_ABI_FILES})
+    INCLUDE(${f})
+  ENDFOREACH()
+  UNSET(CMAKE_CXX_ABI_FILES)
+ENDIF()
 
 # This should be included before the _INIT variables are
 # used to initialize the cache.  Since the rule variables 
diff --git a/Modules/CMakeDetermineCompilerABI.cmake b/Modules/CMakeDetermineCompilerABI.cmake
index a808a284dc..1c9899e64d 100644
--- a/Modules/CMakeDetermineCompilerABI.cmake
+++ b/Modules/CMakeDetermineCompilerABI.cmake
@@ -57,6 +57,8 @@ FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src)
 
       IF(ABI_SIZEOF_DPTR)
         SET(CMAKE_${lang}_SIZEOF_DATA_PTR "${ABI_SIZEOF_DPTR}" PARENT_SCOPE)
+      ELSEIF(CMAKE_${lang}_SIZEOF_DATA_PTR_DEFAULT)
+        SET(CMAKE_${lang}_SIZEOF_DATA_PTR "${CMAKE_${lang}_SIZEOF_DATA_PTR_DEFAULT}" PARENT_SCOPE)
       ENDIF(ABI_SIZEOF_DPTR)
 
       IF(ABI_NAME)
diff --git a/Modules/CMakeFortranCompilerABI.F b/Modules/CMakeFortranCompilerABI.F
index b8efb426e0..7e24553fb1 100644
--- a/Modules/CMakeFortranCompilerABI.F
+++ b/Modules/CMakeFortranCompilerABI.F
@@ -15,6 +15,11 @@
         PRINT *, 'INFO:sizeof_dptr[4]'
 #elif defined(_M_IX86)
         PRINT *, 'INFO:sizeof_dptr[4]'
+
+#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 8
+        PRINT *, 'INFO:sizeof_dptr[8]'
+#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 4
+        PRINT *, 'INFO:sizeof_dptr[4]'
 #endif
 
 #if 0
diff --git a/Modules/CMakeFortranInformation.cmake b/Modules/CMakeFortranInformation.cmake
index dc15e556e7..aed1fd2df6 100644
--- a/Modules/CMakeFortranInformation.cmake
+++ b/Modules/CMakeFortranInformation.cmake
@@ -44,6 +44,12 @@ IF (NOT _INCLUDED_FILE)
   INCLUDE(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
 ENDIF (NOT _INCLUDED_FILE)
 
+IF(CMAKE_Fortran_SIZEOF_DATA_PTR)
+  FOREACH(f ${CMAKE_Fortran_ABI_FILES})
+    INCLUDE(${f})
+  ENDFOREACH()
+  UNSET(CMAKE_Fortran_ABI_FILES)
+ENDIF()
 
 # This should be included before the _INIT variables are
 # used to initialize the cache.  Since the rule variables 
diff --git a/Modules/CMakeTestCCompiler.cmake b/Modules/CMakeTestCCompiler.cmake
index 038c2fd47f..4d4e35fcc1 100644
--- a/Modules/CMakeTestCCompiler.cmake
+++ b/Modules/CMakeTestCCompiler.cmake
@@ -76,5 +76,11 @@ ELSE(NOT CMAKE_C_COMPILER_WORKS)
       )
     INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCCompiler.cmake)
   ENDIF(CMAKE_C_COMPILER_FORCED)
+  IF(CMAKE_C_SIZEOF_DATA_PTR)
+    FOREACH(f ${CMAKE_C_ABI_FILES})
+      INCLUDE(${f})
+    ENDFOREACH()
+    UNSET(CMAKE_C_ABI_FILES)
+  ENDIF()
 ENDIF(NOT CMAKE_C_COMPILER_WORKS)
 
diff --git a/Modules/CMakeTestCXXCompiler.cmake b/Modules/CMakeTestCXXCompiler.cmake
index c1a3b3a10f..494add371a 100644
--- a/Modules/CMakeTestCXXCompiler.cmake
+++ b/Modules/CMakeTestCXXCompiler.cmake
@@ -69,4 +69,10 @@ ELSE(NOT CMAKE_CXX_COMPILER_WORKS)
       )
     INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCXXCompiler.cmake)
   ENDIF(CMAKE_CXX_COMPILER_FORCED)
+  IF(CMAKE_CXX_SIZEOF_DATA_PTR)
+    FOREACH(f ${CMAKE_CXX_ABI_FILES})
+      INCLUDE(${f})
+    ENDFOREACH()
+    UNSET(CMAKE_CXX_ABI_FILES)
+  ENDIF()
 ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
diff --git a/Modules/CMakeTestFortranCompiler.cmake b/Modules/CMakeTestFortranCompiler.cmake
index 33f62eb50b..b4dcea634e 100644
--- a/Modules/CMakeTestFortranCompiler.cmake
+++ b/Modules/CMakeTestFortranCompiler.cmake
@@ -92,4 +92,10 @@ ELSE(NOT CMAKE_Fortran_COMPILER_WORKS)
       )
     INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeFortranCompiler.cmake)
   ENDIF(CMAKE_Fortran_COMPILER_FORCED)
+  IF(CMAKE_Fortran_SIZEOF_DATA_PTR)
+    FOREACH(f ${CMAKE_Fortran_ABI_FILES})
+      INCLUDE(${f})
+    ENDFOREACH()
+    UNSET(CMAKE_Fortran_ABI_FILES)
+  ENDIF()
 ENDIF(NOT CMAKE_Fortran_COMPILER_WORKS)
diff --git a/Modules/Platform/GNUtoMS_lib.bat.in b/Modules/Platform/GNUtoMS_lib.bat.in
new file mode 100644
index 0000000000..2da920ab00
--- /dev/null
+++ b/Modules/Platform/GNUtoMS_lib.bat.in
@@ -0,0 +1,3 @@
+@echo off

+call "@CMAKE_GNUtoMS_BAT@"

+lib /machine:"@CMAKE_GNUtoMS_ARCH@" %*

diff --git a/Modules/Platform/GNUtoMS_lib.cmake b/Modules/Platform/GNUtoMS_lib.cmake
new file mode 100644
index 0000000000..ca9b0f8da9
--- /dev/null
+++ b/Modules/Platform/GNUtoMS_lib.cmake
@@ -0,0 +1,10 @@
+# Usage: cmake -Dlib=lib.bat -Ddef=out.def -Ddll=out.dll -Dimp=out.dll.a -P GNUtoMS_lib.cmake
+get_filename_component(name ${dll} NAME) # .dll file name
+string(REGEX REPLACE "\\.dll\\.a$" ".lib" out "${imp}") # .dll.a -> .lib
+execute_process(
+  COMMAND ${lib} /def:${def} /name:${name} /out:${out}
+  RESULT_VARIABLE res
+  )
+if(res)
+  message(FATAL_ERROR "lib failed: ${res}")
+endif()
diff --git a/Modules/Platform/Windows-GNU-C-ABI.cmake b/Modules/Platform/Windows-GNU-C-ABI.cmake
new file mode 100644
index 0000000000..1189263fad
--- /dev/null
+++ b/Modules/Platform/Windows-GNU-C-ABI.cmake
@@ -0,0 +1 @@
+__windows_compiler_gnu_abi(C)
diff --git a/Modules/Platform/Windows-GNU-CXX-ABI.cmake b/Modules/Platform/Windows-GNU-CXX-ABI.cmake
new file mode 100644
index 0000000000..f3c701c3c0
--- /dev/null
+++ b/Modules/Platform/Windows-GNU-CXX-ABI.cmake
@@ -0,0 +1 @@
+__windows_compiler_gnu_abi(CXX)
diff --git a/Modules/Platform/Windows-GNU-Fortran-ABI.cmake b/Modules/Platform/Windows-GNU-Fortran-ABI.cmake
new file mode 100644
index 0000000000..179280b4d8
--- /dev/null
+++ b/Modules/Platform/Windows-GNU-Fortran-ABI.cmake
@@ -0,0 +1 @@
+__windows_compiler_gnu_abi(Fortran)
diff --git a/Modules/Platform/Windows-GNU-Fortran.cmake b/Modules/Platform/Windows-GNU-Fortran.cmake
index c66feedbb3..b81b79679d 100644
--- a/Modules/Platform/Windows-GNU-Fortran.cmake
+++ b/Modules/Platform/Windows-GNU-Fortran.cmake
@@ -1,2 +1,5 @@
 include(Platform/Windows-GNU)
 __windows_compiler_gnu(Fortran)
+
+# gfortran on 64-bit MinGW defines __SIZEOF_POINTER__
+set(CMAKE_Fortran_SIZEOF_DATA_PTR_DEFAULT 4)
diff --git a/Modules/Platform/Windows-GNU.cmake b/Modules/Platform/Windows-GNU.cmake
index 1d3e4b5a92..c255d6bafd 100644
--- a/Modules/Platform/Windows-GNU.cmake
+++ b/Modules/Platform/Windows-GNU.cmake
@@ -108,6 +108,8 @@ macro(__windows_compiler_gnu lang)
   set(CMAKE_${lang}_LINK_EXECUTABLE
     "<CMAKE_${lang}_COMPILER> <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS>  -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>")
 
+  list(APPEND CMAKE_${lang}_ABI_FILES "Platform/Windows-GNU-${lang}-ABI")
+
   # Support very long lists of object files.
   if("${CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG}" STREQUAL "@")
     foreach(rule CREATE_SHARED_MODULE CREATE_SHARED_LIBRARY LINK_EXECUTABLE)
@@ -125,3 +127,55 @@ macro(__windows_compiler_gnu lang)
     endforeach()
   endif()
 endmacro()
+
+macro(__windows_compiler_gnu_abi lang)
+  if(CMAKE_NO_GNUtoMS)
+    set(CMAKE_GNUtoMS 0)
+  else()
+    option(CMAKE_GNUtoMS "Convert GNU import libraries to MS format (requires Visual Studio)" OFF)
+  endif()
+
+  if(CMAKE_GNUtoMS AND NOT CMAKE_GNUtoMS_LIB)
+    # Find MS development environment setup script for this architecture.
+    if("${CMAKE_SIZEOF_VOID_P}" EQUAL 4)
+      find_program(CMAKE_GNUtoMS_VCVARS NAMES vcvars32.bat
+        DOC "Visual Studio vcvars32.bat"
+        PATHS
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\11.0\\Setup\\VC;ProductDir]/bin"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\10.0\\Setup\\VC;ProductDir]/bin"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\9.0\\Setup\\VC;ProductDir]/bin"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\8.0\\Setup\\VC;ProductDir]/bin"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\7.1\\Setup\\VC;ProductDir]/bin"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\6.0\\Setup\\Microsoft Visual C++;ProductDir]/bin"
+        )
+      set(CMAKE_GNUtoMS_ARCH x86)
+    elseif("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
+      find_program(CMAKE_GNUtoMS_VCVARS NAMES vcvarsamd64.bat
+        DOC "Visual Studio vcvarsamd64.bat"
+        PATHS
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\11.0\\Setup\\VC;ProductDir]/bin/amd64"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\10.0\\Setup\\VC;ProductDir]/bin/amd64"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\9.0\\Setup\\VC;ProductDir]/bin/amd64"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\8.0\\Setup\\VC;ProductDir]/bin/amd64"
+        )
+      set(CMAKE_GNUtoMS_ARCH amd64)
+    endif()
+    set_property(CACHE CMAKE_GNUtoMS_VCVARS PROPERTY ADVANCED 1)
+    if(CMAKE_GNUtoMS_VCVARS)
+      # Create helper script to run lib.exe from MS environment.
+      string(REPLACE "/" "\\" CMAKE_GNUtoMS_BAT "${CMAKE_GNUtoMS_VCVARS}")
+      set(CMAKE_GNUtoMS_LIB ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeGNUtoMS_lib.bat)
+      configure_file(${CMAKE_ROOT}/Modules/Platform/GNUtoMS_lib.bat.in ${CMAKE_GNUtoMS_LIB})
+    else()
+      message(WARNING "Disabling CMAKE_GNUtoMS option because CMAKE_GNUtoMS_VCVARS is not set.")
+      set(CMAKE_GNUtoMS 0)
+    endif()
+  endif()
+
+  if(CMAKE_GNUtoMS)
+    # Teach CMake how to create a MS import library at link time.
+    set(CMAKE_${lang}_GNUtoMS_RULE " -Wl,--output-def,<TARGET_NAME>.def"
+      "<CMAKE_COMMAND> -Dlib=\"${CMAKE_GNUtoMS_LIB}\" -Ddef=\"<TARGET_NAME>.def\" -Ddll=\"<TARGET>\" -Dimp=\"<TARGET_IMPLIB>\" -P \"${CMAKE_ROOT}/Modules/Platform/GNUtoMS_lib.cmake\""
+      )
+  endif()
+endmacro()