Makefile: Add assembly and preprocessed targets for Fortran

Extend the FortranOnly test to cover "make <src>.i" targets.

Modules/Compiler/GNU-Fortran.cmake

@@ -8,10 +8,5 @@ set(CMAKE_Fortran_FORMAT_FREE_FLAG "-ffree-form")
 set(CMAKE_Fortran_FLAGS_MINSIZEREL_INIT "-Os")
 set(CMAKE_Fortran_FLAGS_RELEASE_INIT "-O3")
 
-# We require updates to CMake C++ code to support preprocessing rules
-# for Fortran.
-set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE)
-set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE)
-
 # Fortran-specific feature flags.
 set(CMAKE_Fortran_MODDIR_FLAG -J)

Modules/Compiler/HP-Fortran.cmake

@@ -1,3 +1,6 @@
 set(CMAKE_Fortran_VERBOSE_FLAG "-v")
 set(CMAKE_Fortran_FORMAT_FIXED_FLAG "+source=fixed")
 set(CMAKE_Fortran_FORMAT_FREE_FLAG "+source=free")
+
+set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
+set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")

Modules/Compiler/Intel-Fortran.cmake

@@ -7,3 +7,6 @@ set(CMAKE_Fortran_MODDIR_FLAG "-module ")
 set(CMAKE_Fortran_VERBOSE_FLAG "-v")
 set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-fixed")
 set(CMAKE_Fortran_FORMAT_FREE_FLAG "-free")
+
+set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")

Modules/Compiler/PGI-Fortran.cmake

@@ -7,9 +7,4 @@ set(CMAKE_Fortran_FORMAT_FREE_FLAG "-Mfreeform")
 set(CMAKE_Fortran_FLAGS_INIT "${CMAKE_Fortran_FLAGS_INIT} -Mpreprocess -Kieee")
 set(CMAKE_Fortran_FLAGS_DEBUG_INIT "${CMAKE_Fortran_FLAGS_DEBUG_INIT} -Mbounds")
 
-# We require updates to CMake C++ code to support preprocessing rules
-# for Fortran.
-set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE)
-set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE)
-
 set(CMAKE_Fortran_MODDIR_FLAG "-module ")

Modules/Compiler/SunPro-Fortran.cmake

@@ -16,3 +16,6 @@ set(CMAKE_Fortran_FLAGS_RELEASE_INIT "-xO3 -DNDEBUG")
 set(CMAKE_Fortran_FLAGS_RELWITHDEBINFO_INIT "-g -xO2 -DNDEBUG")
 set(CMAKE_Fortran_MODDIR_FLAG "-moddir=")
 set(CMAKE_Fortran_MODPATH_FLAG "-M")
+
+set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")

Modules/Compiler/XL-Fortran.cmake

@@ -12,6 +12,6 @@ set(CMAKE_Fortran_DEFINE_FLAG "-WF,-D")
 # -qhalt=e       = Halt on error messages (rather than just severe errors)
 set(CMAKE_Fortran_FLAGS_INIT "-qthreaded -qhalt=e")
 
-# We require updates to CMake C++ code to support preprocessing rules for Fortran.
+# xlf: 1501-214 (W) command option E reserved for future use - ignored
 set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE)
 set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE)

Modules/Platform/HP-UX-HP-Fortran.cmake

@@ -1,2 +1,5 @@
 include(Platform/HP-UX-HP)
 __hpux_compiler_hp(Fortran)
+
+set(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+set(CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE "<CMAKE_Fortran_COMPILER> <DEFINES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")

Modules/Platform/IRIX.cmake

@@ -31,6 +31,14 @@ if(NOT CMAKE_COMPILER_IS_GNUCXX)
     )
 endif()
 
+if(NOT CMAKE_COMPILER_IS_GNUG77)
+  set (CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE "<CMAKE_Fortran_COMPILER> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
+  set (CMAKE_Fortran_CREATE_ASSEMBLY_SOURCE
+    "<CMAKE_Fortran_COMPILER> <FLAGS> -S <SOURCE>"
+    "mv `basename \"<SOURCE>\" | sed 's/\\.[^./]*$$//'`.s <ASSEMBLY_SOURCE>"
+    )
+endif()
+
 # Initialize C link type selection flags.  These flags are used when
 # building a shared library, shared module, or executable that links
 # to other libraries to select whether to use the static or shared

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -322,9 +322,10 @@ void cmLocalUnixMakefileGenerator3::WriteLocalMakefile()
           lo->second.begin(); ei != lo->second.end(); ++ei)
       {
       if(ei->Language == "C" ||
-         ei->Language == "CXX")
+         ei->Language == "CXX" ||
+         ei->Language == "Fortran")
         {
-        // Right now, C and C++ have both a preprocessor and the
+        // Right now, C, C++ and Fortran have both a preprocessor and the
         // ability to generate assembly code
         lang_has_preprocessor = true;
         lang_has_assembly = true;

Source/cmMakefileTargetGenerator.cxx

@@ -702,11 +702,12 @@ cmMakefileTargetGenerator
 
   vars.Defines = definesString.c_str();
 
-  // At the moment, it is assumed that C and C++ have both
+  // At the moment, it is assumed that C, C++, and Fortran have both
   // assembly and preprocessor capabilities. The same is true for the
   // ability to export compile commands
   bool lang_has_preprocessor = ((lang == "C") ||
-                                (lang == "CXX"));
+                                (lang == "CXX") ||
+                                (lang == "Fortran"));
   bool const lang_has_assembly = lang_has_preprocessor;
   bool const lang_can_export_cmds = lang_has_preprocessor;
 

Tests/FortranOnly/CMakeLists.txt

@@ -66,3 +66,29 @@ if(NOT CMAKE_Fortran_COMPILER_ID STREQUAL XL)
       "${err}")
   endif()
 endif()
+
+# Test generation of preprocessed sources.
+if("${CMAKE_GENERATOR}" MATCHES "Makefile" AND CMAKE_MAKE_PROGRAM)
+  if(CMAKE_Fortran_CREATE_PREPROCESSED_SOURCE)
+    # Skip running this part of the test on certain platforms
+    # until they are fixed.
+    set(MAYBE_ALL ALL)
+    list(LENGTH CMAKE_OSX_ARCHITECTURES ARCH_COUNT)
+    if(ARCH_COUNT GREATER 1)
+      # OSX does not support preprocessing more than one architecture.
+      set(MAYBE_ALL)
+    endif()
+
+    add_executable(preprocess preprocess.F)
+
+    # Custom target to try preprocessing invocation.
+    add_custom_target(test_preprocess ${MAYBE_ALL}
+      COMMAND ${CMAKE_COMMAND} -E remove CMakeFiles/preprocess.dir/preprocess.F.i
+      COMMAND ${CMAKE_MAKE_PROGRAM} preprocess.i
+      COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/test_preprocess.cmake
+      # Remove bogus file some compilers leave behind.
+      COMMAND ${CMAKE_COMMAND} -E remove ${CMAKE_CURRENT_SOURCE_DIR}/preprocess.s
+      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+      )
+  endif()
+endif()

Tests/FortranOnly/preprocess.F

@@ -0,0 +1,5 @@
+       PROGRAM PREPRO
+#ifndef TEST_PREPROCESSOR
+       PRINT *, 'Hello'
+#endif
+       END

Tests/FortranOnly/test_preprocess.cmake

@@ -0,0 +1,7 @@
+set(TEST_FILE CMakeFiles/preprocess.dir/preprocess.F.i)
+file(READ ${TEST_FILE} CONTENTS)
+if("${CONTENTS}" MATCHES "PRINT *")
+  message(STATUS "${TEST_FILE} created successfully!")
+else()
+  message(FATAL_ERROR "${TEST_FILE} creation failed!")
+endif()