Update CMake files to support Windows platform

CMakeLists.txt

@@ -9,45 +9,52 @@ cmake_minimum_required(VERSION 3.3)
 # In order to bootstrap the runtime library we need to skip
 # CMake's Fortran tests
 SET(CMAKE_Fortran_COMPILER_WORKS 1)
+SET(CMAKE_Fortran_ABI_COMPILED 0)
+SET(CMAKE_Fortran_COMPILER_SUPPORTS_F90 1)
+SET(CMAKE_Fortran_MODDIR_FLAG "-J ")
 
-if( NOT DEFINED TARGET_ARCHITECTURE )
-  execute_process(COMMAND uname -m OUTPUT_STRIP_TRAILING_WHITESPACE
-                  OUTPUT_VARIABLE TARGET_ARCHITECTURE)
+# If we are not building as a part of LLVM, build Flang as a
+# standalone project, using LLVM as an external library:
+if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
+  project(Flang)
 endif()
 
-if( NOT DEFINED TARGET_OS )
-  execute_process(COMMAND uname -s OUTPUT_STRIP_TRAILING_WHITESPACE
-                  OUTPUT_VARIABLE TARGET_OS)
+set(TARGET_OS ${CMAKE_SYSTEM_NAME} CACHE STRING "Target OS")
+set(TARGET_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR} CACHE STRING "Target Architecture")
+
+if (POLICY CMP0054)
+  cmake_policy(SET CMP0054 NEW)
 endif()
 
 if( ${TARGET_OS} STREQUAL "Linux" )
   set(OS "LINUX")
   set(OSNAME "Linux")
-  if( ${TARGET_ARCHITECTURE} STREQUAL "x86_64" )
-    set(ARCHNAME x86-64)
-    set(ARCH X86)
-    set(WRDSZ 64)
-  elseif( ${TARGET_ARCHITECTURE} STREQUAL "aarch64" )
-    set(ARCHNAME aarch64)
-    set(ARCH ARM)
-    set(WRDSZ 64)
-  elseif( ${TARGET_ARCHITECTURE} STREQUAL "ppc64le" )
-    set(ARCHNAME ppc64le)
-    set(ARCH POWER)
-    set(WRDSZ 64)
-  else()
-    message("Unsupported architecture: ${TARGET_ARCHITECTURE}" )
-    return()
-  endif()
+elseif ( ${TARGET_OS} STREQUAL "Windows")
+  set(OS "WIN")
+  set(OSNAME "Windows")
+  add_definitions(-DWIN32 -DWIN64 -DWINNT -DHOST_WIN -DTARGET_WIN)
 else()
   message("Unsupported OS: ${TARGET_OS}" )
   return()
 endif()
 
-# The cmake documentation states that these are set.  They are not so we 
-# set them here
-set(CMAKE_HOST_SYSTEM_NAME ${TARGET_OS})
-set(CMAKE_HOST_SYSTEM_PROCESSOR ${TARGET_ARCHITECTURE})
+if (${TARGET_ARCHITECTURE} MATCHES "^(x86_64|AMD64|amd64)$")
+  set(TARGET_ARCHITECTURE x86_64)
+  set(ARCHNAME x86-64)
+  set(ARCH X86)
+elseif (${TARGET_ARCHITECTURE} MATCHES "^(aarch64|arm64)$")
+  set(TARGET_ARCHITECTURE aarch64)
+  set(ARCHNAME aarch64)
+  set(ARCH ARM)
+elseif( ${TARGET_ARCHITECTURE} STREQUAL "ppc64le" )
+  set(ARCHNAME ppc64le)
+  set(ARCH POWER)
+else()
+  message("Unsupported architecture: ${TARGET_ARCHITECTURE}" )
+  return()
+endif()
+
+math(EXPR WRDSZ "${CMAKE_SIZEOF_VOID_P} * 8")
 
 # If we are not building as a part of LLVM, build Flang as an
 # standalone project, using LLVM as an external library:

runtime/CMakeLists.txt

@@ -9,31 +9,31 @@ set (RUNTIME_SHARED_DIR ${CMAKE_CURRENT_SOURCE_DIR}/shared)
 add_definitions(
  -DMAXCPUS=256 
  -DMAXCPUSL=8 
- -DMAXCPUSR=8 
- -DTARGET_LINUX 
- -DTARGET_LLVM 
- -DLINUX 
+ -DMAXCPUSR=8
+ -DTARGET_LLVM
  -DPGF90 
  -DPGFLANG
  -DNATIVE_FPCVT
  -DPGI_LITTLE_ENDIAN
  -DINLINE_MEMOPS
+ -DTARGET_${OS}
+ -D${OS}
 )
 
 if( ${TARGET_ARCHITECTURE} STREQUAL "x86_64" )
   add_definitions(
    -DTARGET_X8664
-   -DTARGET_LINUX_X8664
+   -DTARGET_${OS}_X8664
   )
 elseif( ${TARGET_ARCHITECTURE} STREQUAL "aarch64" )
   add_definitions(
    -DTARGET_LLVM_ARM64
-   -DTARGET_LINUX_ARM
+   -DTARGET_${OS}_ARM
   )
 elseif( ${TARGET_ARCHITECTURE} STREQUAL "ppc64le" )
   add_definitions(
-    -DTARGET_LINUX_POWER
-    -DLINUX_POWER
+    -DTARGET_${OS}_POWER
+    -D${OS}_POWER
   )
 endif()
 

runtime/flang/CMakeLists.txt

@@ -8,7 +8,11 @@ enable_language(C ASM Fortran) # Enable assembly and Fortran
 
 SET(ASM_OPTIONS "-DLINUX_ELF")
 SET(CMAKE_ASM_FLAGS "${CFLAGS} ${ASM_OPTIONS}" )
-SET(CMAKE_SHARED_LINKER_FLAGS "-no-flang-libs")
+if (NOT MSVC)
+  SET(CMAKE_SHARED_LINKER_FLAGS "-no-flang-libs")
+else ()
+  SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -no-flang-libs")
+endif ()
 
 # We are using Fortran driver to build this library with fresh compiler
 # components, so point its binary directory to the build directory to pick up
@@ -187,7 +191,7 @@ SET(FTN_INTRINSICS_DESC_DEP
   red_any.c
   red_count.c
   red_findloc.c
-  red_iany.c 
+  red_iany.c
   red_maxloc.c
   red_minloc.c
   red_maxval.c
@@ -418,7 +422,7 @@ separate_arguments(SEPARATED_CMAKE_Fortran_FLAGS NATIVE_COMMAND ${CMAKE_Fortran_
 add_custom_command(
   OUTPUT "${I8_FILES_DIR}/ieee_arithmetic.F95"
   COMMAND "${CMAKE_Fortran_COMPILER}" -E -cpp ${SEPARATED_CMAKE_Fortran_FLAGS}
-  "${CMAKE_CURRENT_SOURCE_DIR}/ieee_arithmetic.F95" -DDESC_I8 
+  "${CMAKE_CURRENT_SOURCE_DIR}/ieee_arithmetic.F95" -DDESC_I8
   > "${I8_FILES_DIR}/ieee_arithmetic.F95"
   COMMENT "Preprocessing ieee_arithmetic.F95"
   VERBATIM
@@ -428,7 +432,7 @@ add_custom_command(
 add_custom_command(
   OUTPUT "${I8_FILES_DIR}/ieee_exceptions.F95"
   COMMAND "${CMAKE_Fortran_COMPILER}" -E -cpp ${SEPARATED_CMAKE_Fortran_FLAGS}
-  "${CMAKE_CURRENT_SOURCE_DIR}/ieee_exceptions.F95" -DDESC_I8 
+  "${CMAKE_CURRENT_SOURCE_DIR}/ieee_exceptions.F95" -DDESC_I8
   > "${I8_FILES_DIR}/ieee_exceptions.F95"
   COMMENT "Preprocessing ieee_exceptions.F95"
   VERBATIM
@@ -460,7 +464,7 @@ FOREACH(file ${FTN_SUPPORT_DESC_DEP})
 ENDFOREACH(file)
 
 LIST(APPEND FTN_SUPPORT_DESC_DEP ieee_arithmetic.F95 ieee_exceptions.F95 norm2_1.F95)
-LIST(APPEND FTN_SUPPORT_I8 
+LIST(APPEND FTN_SUPPORT_I8
 "${I8_FILES_DIR}/ieee_arithmetic.F95"
 "${I8_FILES_DIR}/ieee_exceptions.F95"
 "${I8_FILES_DIR}/norm2_1.F95"
@@ -475,7 +479,15 @@ add_flang_library(flang_static
   ${FTN_SUPPORT_I8}
   ${SHARED_SOURCES}
   )
+set_target_properties(flang_static
+  PROPERTIES
+  Fortran_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/include-static
+)
+if (MSVC)
+set_property(TARGET flang_static PROPERTY OUTPUT_NAME libflang)
+else()
 set_property(TARGET flang_static PROPERTY OUTPUT_NAME flang)
+endif()
 
 set(SHARED_LIBRARY TRUE)
 add_flang_library(flang_shared
@@ -488,26 +500,19 @@ add_flang_library(flang_shared
   ${SHARED_SOURCES}
   )
 set_property(TARGET flang_shared PROPERTY OUTPUT_NAME flang)
-
-#
-# Seralize the building of flang_shared and flang_static to eliminate
-# conflicts with the same module files from the shared and static builds
-# being created/recreated in the common directory
-# ${CMAKE_Fortran_MODULE_DIRECTORY}.
-#
-# Note: building of each library is still parallelized.
-#
-add_dependencies(flang_shared flang_static)
-
-target_link_libraries(flang_shared ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib/libflangrti.so)
+target_link_libraries(flang_shared flangrti_shared)
 # Resolve symbols against libm and librt
-target_link_libraries(flang_shared m rt)
+if (NOT MSVC)
+  target_link_libraries(flang_shared m rt)
+else()
+  set_target_properties(flang_shared PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+endif()
 
 set(SHARED_LIBRARY FALSE)
 
 set_property(
   SOURCE ${FTN_INTRINSICS_DESC_INDEP} ${FTN_INTRINSICS_DESC_DEP} ${SHARED_SOURCES}
-  PROPERTY COMPILE_DEFINITIONS 
+  PROPERTY COMPILE_DEFINITIONS
   PGF90
   KANJI
   INT32PTR64
@@ -517,7 +522,7 @@ set_property(
 
 set_property(
   SOURCE ${FTN_INTRINSICS_I8}
-  PROPERTY COMPILE_DEFINITIONS 
+  PROPERTY COMPILE_DEFINITIONS
   PGF90
   KANJI
   INT32PTR64
@@ -527,16 +532,16 @@ set_property(
  )
 
 set_property(
-  SOURCE ${FTN_SUPPORT_DESC_INDEP} ${FTN_SUPPORT_DESC_DEP} 
-  PROPERTY COMPILE_DEFINITIONS 
+  SOURCE ${FTN_SUPPORT_DESC_INDEP} ${FTN_SUPPORT_DESC_DEP}
+  PROPERTY COMPILE_DEFINITIONS
   INT32PTR64
   TM_I8
   HAVE_LONG_LONG_INT
  )
 
 set_property(
-  SOURCE ${FTN_SUPPORT_I8} 
-  PROPERTY COMPILE_DEFINITIONS 
+  SOURCE ${FTN_SUPPORT_I8}
+  PROPERTY COMPILE_DEFINITIONS
   INT32PTR64
   TM_I8
   DESC_I8
@@ -618,8 +623,8 @@ set_target_properties(flang_static flang_shared
   PROPERTIES
   ARCHIVE_OUTPUT_DIRECTORY ${FLANG_RTE_LIB_DIR}
   )
-  
-target_include_directories(flang_static 
+
+target_include_directories(flang_static
   PRIVATE
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${CMAKE_CURRENT_BINARY_DIR}
@@ -632,20 +637,24 @@ target_include_directories(flang_shared
   )
 
 # Make sure the compiler is built before we bootstrap
-add_dependencies(flang_static 
+add_dependencies(flang_static
   flang1
   flang2
   )
 
 # Make sure the compiler is built before we bootstrap
-add_dependencies(flang_shared 
+add_dependencies(flang_shared
   flang1
   flang2
   )
 
-target_compile_options(flang_static PRIVATE -fPIC)
-
-target_compile_options(flang_shared PRIVATE -fPIC)
+if (NOT MSVC)
+  target_compile_options(flang_static PRIVATE -fPIC)
+  target_compile_options(flang_shared PRIVATE -fPIC)
+else()
+  set_target_properties(flang_static PROPERTIES LINKER_LANGUAGE CXX)
+  set_target_properties(flang_shared PROPERTIES LINKER_LANGUAGE CXX)
+endif()
 
 target_compile_options(flang_static PUBLIC $<$<COMPILE_LANGUAGE:Fortran>:-Mreentrant>)
 

runtime/flangrti/CMakeLists.txt

@@ -1,3 +1,4 @@
+
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
@@ -61,7 +62,11 @@ add_flang_library(flangrti_static
   ${PGC_SRC_FILES}
   ${SHARED_SOURCES}
   )
-set_property(TARGET flangrti_static PROPERTY OUTPUT_NAME flangrti)
+if (MSVC)
+  set_property(TARGET flangrti_static PROPERTY OUTPUT_NAME libflangrti)
+else()
+  set_property(TARGET flangrti_static PROPERTY OUTPUT_NAME flangrti)
+endif()
 
 
 set(SHARED_LIBRARY TRUE)
@@ -71,7 +76,10 @@ add_flang_library(flangrti_shared
   )
 
 # Resolve symbols against libm
-target_link_libraries(flangrti_shared m)
+if (NOT MSVC)
+  target_link_libraries(flangrti_shared PRIVATE m)
+endif()
+
 
 # Resolve symbols against libpthread
 find_package(Threads REQUIRED)
@@ -83,16 +91,16 @@ endif()
 if (NOT DEFINED LIBOMP_EXPORT_DIR)
   find_library( 
     FLANG_LIBOMP
-    libomp.so
+    NAMES omp libomp
     HINTS ${CMAKE_BINARY_DIR}/lib)
-  target_link_libraries(flangrti_shared ${FLANG_LIBOMP})
+  target_link_libraries(flangrti_shared PRIVATE ${FLANG_LIBOMP})
 endif()
 
 find_library( 
   LIBPGMATH
-  libpgmath.so
+  NAMES pgmath libpgmath
   HINTS ${CMAKE_BINARY_DIR}/lib)
-target_link_libraries(flangrti_shared ${LIBPGMATH})
+target_link_libraries(flangrti_shared PRIVATE ${LIBPGMATH})
 
 if( ${TARGET_ARCHITECTURE} STREQUAL "aarch64" )
   target_compile_definitions(flangrti_static PRIVATE TARGET_LINUX_ARM)
@@ -118,9 +126,12 @@ target_include_directories(flangrti_shared
 set_target_properties(flangrti_shared flangrti_static
                       PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${FLANG_RTE_LIB_DIR})
 
-target_compile_options(flangrti_static PRIVATE -fPIC)
-
-target_compile_options(flangrti_shared PRIVATE -fPIC)
+if (NOT MSVC)
+  target_compile_options(flangrti_static PRIVATE -fPIC)
+  target_compile_options(flangrti_shared PRIVATE -fPIC)
+else()
+  set_target_properties(flangrti_shared PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+endif()
 
 target_compile_options(flangrti_static PUBLIC $<$<COMPILE_LANGUAGE:Fortran>:-Mreentrant>)
 

runtime/ompstub/CMakeLists.txt

@@ -7,11 +7,18 @@
 set(OMPSTUB_SRC init_nomp.c  ompstubs.c)
 
 add_flang_library(ompstub_static ${OMPSTUB_SRC})
+if (MSVC)
+set_property(TARGET ompstub_static PROPERTY OUTPUT_NAME libompstub)
+else()
 set_property(TARGET ompstub_static PROPERTY OUTPUT_NAME ompstub)
+endif()
 
 set(SHARED_LIBRARY TRUE)
 add_flang_library(ompstub_shared ${OMPSTUB_SRC})
 set_property(TARGET ompstub_shared PROPERTY OUTPUT_NAME ompstub)
+if (MSVC)
+  set_target_properties(ompstub_shared PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+endif()
 set(SHARED_LIBRARY FALSE)
 
 set_target_properties(ompstub_static ompstub_shared

tools/flang1/flang1exe/CMakeLists.txt

@@ -155,10 +155,13 @@ target_compile_options(flang1
 target_link_libraries(flang1
   PRIVATE
   flangArgParser
-  ${FLANG_LIB_DIR}/scutil.a
-  -lm
+  scutil
   )
 
+if (NOT MSVC)
+  target_link_libraries(flang1 PRIVATE m)
+endif()
+
 # Install flang1 executable
 install(TARGETS flang1
   RUNTIME DESTINATION bin)