ENH: initial fortran support

7 files changed, 224 insertions, 0 deletions

diff --git a/Modules/CMakeDefaultMakeRuleVariables.cmake b/Modules/CMakeDefaultMakeRuleVariables.cmake
index a1a0aad237..73d8ab81c2 100644
--- a/Modules/CMakeDefaultMakeRuleVariables.cmake
+++ b/Modules/CMakeDefaultMakeRuleVariables.cmake
@@ -7,11 +7,16 @@
 # CMAKE_CXX_CREATE_SHARED_MODULE
 # CMAKE_C_CREATE_SHARED_LIBRARY
 # CMAKE_C_CREATE_SHARED_MODULE
+# CMAKE_FORTRAN_CREATE_SHARED_LIBRARY
+# CMAKE_FORTRAN_CREATE_SHARED_MODULE
 # CMAKE_CXX_CREATE_STATIC_LIBRARY
 # CMAKE_C_CREATE_STATIC_LIBRARY
+# CMAKE_FORTRAN_CREATE_STATIC_LIBRARY
 # CMAKE_CXX_COMPILE_OBJECT
 # CMAKE_C_COMPILE_OBJECT
+# CMAKE_FORTRAN_COMPILE_OBJECT
 # CMAKE_C_LINK_EXECUTABLE
+# CMAKE_FORTRAN_LINK_EXECUTABLE
 # CMAKE_CXX_LINK_EXECUTABLE
 
 # variables supplied by the generator at use time
@@ -55,6 +60,7 @@ IF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
   SET(CMAKE_CXX_CREATE_SHARED_MODULE ${CMAKE_CXX_CREATE_SHARED_LIBRARY})
 ENDIF(NOT CMAKE_CXX_CREATE_SHARED_MODULE)
 
+
 # create a C shared library
 IF(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
   SET(CMAKE_C_CREATE_SHARED_LIBRARY
@@ -66,6 +72,17 @@ IF(NOT CMAKE_C_CREATE_SHARED_MODULE)
   SET(CMAKE_C_CREATE_SHARED_MODULE ${CMAKE_C_CREATE_SHARED_LIBRARY})
 ENDIF(NOT CMAKE_C_CREATE_SHARED_MODULE)
 
+# create a FORTRAN shared library
+IF(NOT CMAKE_FORTRAN_CREATE_SHARED_LIBRARY)
+  SET(CMAKE_FORTRAN_CREATE_SHARED_LIBRARY
+      "<CMAKE_FORTRAN_COMPILER> <CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_FORTRAN_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_FORTRAN_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+ENDIF(NOT CMAKE_FORTRAN_CREATE_SHARED_LIBRARY)
+
+# create a FORTRAN shared module just copy the shared library rule
+IF(NOT CMAKE_FORTRAN_CREATE_SHARED_MODULE)
+  SET(CMAKE_FORTRAN_CREATE_SHARED_MODULE ${CMAKE_FORTRAN_CREATE_SHARED_LIBRARY})
+ENDIF(NOT CMAKE_FORTRAN_CREATE_SHARED_MODULE)
+
 # create a C++ static library
 IF(NOT CMAKE_CXX_CREATE_STATIC_LIBRARY)
   SET(CMAKE_CXX_CREATE_STATIC_LIBRARY
@@ -80,6 +97,13 @@ IF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
       "<CMAKE_RANLIB> <TARGET> ")
 ENDIF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
 
+# create a Fortran static library
+IF(NOT CMAKE_FORTRAN_CREATE_STATIC_LIBRARY)
+  SET(CMAKE_FORTRAN_CREATE_STATIC_LIBRARY
+      "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS> "
+      "<CMAKE_RANLIB> <TARGET> ")
+ENDIF(NOT CMAKE_FORTRAN_CREATE_STATIC_LIBRARY)
+
 # compile a C++ file into an object file
 IF(NOT CMAKE_CXX_COMPILE_OBJECT)
   SET(CMAKE_CXX_COMPILE_OBJECT
@@ -92,12 +116,23 @@ IF(NOT CMAKE_C_COMPILE_OBJECT)
     "<CMAKE_C_COMPILER> -o <OBJECT>  <FLAGS> -c <SOURCE>")
 ENDIF(NOT CMAKE_C_COMPILE_OBJECT)
 
+# compile a Fortran file into an object file
+IF(NOT CMAKE_FORTRAN_COMPILE_OBJECT)
+  SET(CMAKE_FORTRAN_COMPILE_OBJECT
+    "<CMAKE_FORTRAN_COMPILER> -o <OBJECT>  <FLAGS> -c <SOURCE>")
+ENDIF(NOT CMAKE_FORTRAN_COMPILE_OBJECT)
+
 
 IF(NOT CMAKE_C_LINK_EXECUTABLE)
   SET(CMAKE_C_LINK_EXECUTABLE
     "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <FLAGS> <OBJECTS>  -o <TARGET> <LINK_LIBRARIES>")
 ENDIF(NOT CMAKE_C_LINK_EXECUTABLE)
 
+IF(NOT CMAKE_FORTRAN_LINK_EXECUTABLE)
+  SET(CMAKE_FORTRAN_LINK_EXECUTABLE
+    "<CMAKE_FORTRAN_COMPILER> <CMAKE_FORTRAN_LINK_FLAGS> <LINK_FLAGS> <FLAGS> <OBJECTS>  -o <TARGET> <LINK_LIBRARIES>")
+ENDIF(NOT CMAKE_FORTRAN_LINK_EXECUTABLE)
+
 
 IF(NOT CMAKE_CXX_LINK_EXECUTABLE)
   SET(CMAKE_CXX_LINK_EXECUTABLE
diff --git a/Modules/CMakeDetermineFortranCompiler.cmake b/Modules/CMakeDetermineFortranCompiler.cmake
new file mode 100644
index 0000000000..52004ee996
--- /dev/null
+++ b/Modules/CMakeDetermineFortranCompiler.cmake
@@ -0,0 +1,83 @@
+# determine the compiler to use for C programs
+# NOTE, a generator may set CMAKE_C_COMPILER before
+# loading this file to force a compiler.
+# use environment variable CCC first if defined by user, next use 
+# the cmake variable CMAKE_GENERATOR_CC which can be defined by a generator
+# as a default compiler
+
+IF(NOT CMAKE_FORTRAN_COMPILER)
+  # prefer the environment variable CC
+  IF($ENV{FC} MATCHES ".+")
+    GET_FILENAME_COMPONENT(CMAKE_FORTRAN_COMPILER_INIT $ENV{FC} PROGRAM PROGRAM_ARGS CMAKE_FORTRAN_FLAGS_ENV_INIT)
+    IF(EXISTS ${CMAKE_FORTRAN_COMPILER_INIT})
+    ELSE(EXISTS ${CMAKE_FORTRAN_COMPILER_INIT})
+      MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.") 
+    ENDIF(EXISTS ${CMAKE_FORTRAN_COMPILER_INIT})
+  ENDIF($ENV{FC} MATCHES ".+")
+
+  # next try prefer the compiler specified by the generator
+  IF(CMAKE_GENERATOR_FC) 
+    IF(NOT CMAKE_FORTRAN_COMPILER_INIT)
+      SET(CMAKE_FORTRAN_COMPILER_INIT ${CMAKE_GENERATOR_FC})
+    ENDIF(NOT CMAKE_FORTRAN_COMPILER_INIT)
+  ENDIF(CMAKE_GENERATOR_FC)
+
+
+  # if no compiler has been specified yet, then look for one
+  IF(NOT CMAKE_FORTRAN_COMPILER_INIT)
+  # if not in the envionment then search for the compiler in the path
+    SET(CMAKE_FORTRAN_COMPILER_LIST g77 ifort f77 f90 epcf90 efc ecc)  
+    FIND_PROGRAM(CMAKE_FORTRAN_COMPILER_FULLPATH NAMES ${CMAKE_FORTRAN_COMPILER_LIST} )
+    GET_FILENAME_COMPONENT(CMAKE_FORTRAN_COMPILER_INIT
+                           ${CMAKE_FORTRAN_COMPILER_FULLPATH} NAME)
+    SET(CMAKE_FORTRAN_COMPILER_FULLPATH "${CMAKE_FORTRAN_COMPILER_FULLPATH}" CACHE INTERNAL "full path to the compiler cmake found")
+  ENDIF(NOT CMAKE_FORTRAN_COMPILER_INIT)
+
+  SET(CMAKE_FORTRAN_COMPILER ${CMAKE_FORTRAN_COMPILER_INIT} CACHE STRING "Fortran compiler")
+ENDIF(NOT CMAKE_FORTRAN_COMPILER)
+
+MARK_AS_ADVANCED(CMAKE_FORTRAN_COMPILER)  
+
+FIND_PROGRAM(CMAKE_AR NAMES ar )
+
+FIND_PROGRAM(CMAKE_RANLIB NAMES ranlib)
+IF(NOT CMAKE_RANLIB)
+   SET(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
+ENDIF(NOT CMAKE_RANLIB)
+MARK_AS_ADVANCED(CMAKE_RANLIB)
+
+IF(NOT CMAKE_COMPILER_IS_GNUG77_RUN)
+  # test to see if the Fortran compiler is gnu
+  
+  IF(CMAKE_FORTRAN_FLAGS)
+    SET(CMAKE_BOOT_FORTRAN_FLAGS ${CMAKE_FORTRAN_FLAGS})
+  ELSE(CMAKE_FORTRAN_FLAGS)
+    SET(CMAKE_BOOT_FORTRAN_FLAGS $ENV{FFLAGS})
+  ENDIF(CMAKE_FORTRAN_FLAGS)
+  EXEC_PROGRAM(${CMAKE_FORTRAN_COMPILER} ARGS ${CMAKE_BOOT_FORTRAN_FLAGS} -E "\"${CMAKE_ROOT}/Modules/CMakeTestGNU.c\"" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN)
+  SET(CMAKE_COMPILER_IS_GNUG77_RUN 1)
+  IF(NOT CMAKE_COMPILER_RETURN)
+    IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
+      SET(CMAKE_COMPILER_IS_GNUG77 1)
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log
+        "Determining if the Fortran compiler is GNU succeeded with "
+        "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n")
+    ELSE("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log
+        "Determining if the Fortran compiler is GNU failed with "
+        "the following output:\n${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("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
+  ENDIF(NOT CMAKE_COMPILER_RETURN)
+ENDIF(NOT CMAKE_COMPILER_IS_GNUG77_RUN)
+
+
+# configure variables set in this file for fast reload later on
+CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in 
+               ${CMAKE_BINARY_DIR}/CMakeFortranCompiler.cmake IMMEDIATE)
+MARK_AS_ADVANCED(CMAKE_AR)
diff --git a/Modules/CMakeFortranCompiler.cmake.in b/Modules/CMakeFortranCompiler.cmake.in
new file mode 100644
index 0000000000..1bf30a1820
--- /dev/null
+++ b/Modules/CMakeFortranCompiler.cmake.in
@@ -0,0 +1,16 @@
+SET(CMAKE_FORTRAN_COMPILER "@CMAKE_FORTRAN_COMPILER@")
+SET(CMAKE_AR "@CMAKE_AR@")
+SET(CMAKE_RANLIB "@CMAKE_RANLIB@")
+SET(CMAKE_COMPILER_IS_GNUCC @CMAKE_COMPILER_IS_GNUCC@)
+SET(CMAKE_FORTRAN_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)
+SET(CMAKE_COMPILER_IS_GNUG77_RUN 1)
diff --git a/Modules/CMakeSystemSpecificInformation.cmake b/Modules/CMakeSystemSpecificInformation.cmake
index c9f5c29d46..0abf65d4c2 100644
--- a/Modules/CMakeSystemSpecificInformation.cmake
+++ b/Modules/CMakeSystemSpecificInformation.cmake
@@ -135,6 +135,50 @@ IF(NOT CMAKE_SHARED_MODULE_RUNTIME_CXX_FLAG_SEP)
   SET(CMAKE_SHARED_MODULE_RUNTIME_CXX_FLAG_SEP ${CMAKE_SHARED_MODULE_RUNTIME_FLAG_SEP})
 ENDIF(NOT CMAKE_SHARED_MODULE_RUNTIME_CXX_FLAG_SEP)
 
+# Create a set of shared library variable specific to Fortran
+# For 90% of the systems, these are the same flags as the C versions
+# so if these are not set just copy the flags from the c version
+IF(NOT CMAKE_SHARED_LIBRARY_CREATE_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_LIBRARY_CREATE_FORTRAN_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_CREATE_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_LIBRARY_LINK_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_LIBRARY_LINK_FORTRAN_FLAGS ${CMAKE_SHARED_LIBRARY_LINK_FLAGS})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_LINK_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG)
+  SET(CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_FLAG}) 
+ENDIF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG)
+
+IF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG_SEP)
+  SET(CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_FLAG_SEP})
+ENDIF(NOT CMAKE_SHARED_LIBRARY_RUNTIME_FORTRAN_FLAG_SEP)
+
+# repeat for modules
+IF(NOT CMAKE_SHARED_MODULE_CREATE_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_MODULE_CREATE_FORTRAN_FLAGS ${CMAKE_SHARED_MODULE_CREATE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_MODULE_CREATE_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_MODULE_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_MODULE_FORTRAN_FLAGS ${CMAKE_SHARED_MODULE_C_FLAGS})
+ENDIF(NOT CMAKE_SHARED_MODULE_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_MODULE_LINK_FORTRAN_FLAGS)
+  SET(CMAKE_SHARED_MODULE_LINK_FORTRAN_FLAGS ${CMAKE_SHARED_MODULE_LINK_FLAGS})
+ENDIF(NOT CMAKE_SHARED_MODULE_LINK_FORTRAN_FLAGS)
+
+IF(NOT CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG)
+  SET(CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG ${CMAKE_SHARED_MODULE_RUNTIME_FLAG}) 
+ENDIF(NOT CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG)
+
+IF(NOT CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG_SEP)
+  SET(CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG_SEP ${CMAKE_SHARED_MODULE_RUNTIME_FLAG_SEP})
+ENDIF(NOT CMAKE_SHARED_MODULE_RUNTIME_FORTRAN_FLAG_SEP)
+
 # include default rules that work for most unix like systems and compilers
 # this file will not set anything if it is already set
 INCLUDE(${CMAKE_ROOT}/Modules/CMakeDefaultMakeRuleVariables.cmake)
@@ -158,6 +202,9 @@ SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_ENV_INIT} $ENV{CXXFLAGS} ${CMAKE_CXX_FLA
 SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_ENV_INIT} $ENV{CFLAGS} ${CMAKE_C_FLAGS_INIT}" CACHE STRING
      "Flags for C compiler.")
 
+SET (CMAKE_FORTRAN_FLAGS "${CMAKE_FORTRAN_FLAGS_ENV_INIT} $ENV{FFLAGS} ${CMAKE_FORTRAN_FLAGS_INIT}" CACHE STRING
+     "Flags for Fortran compiler.")
+
 SET (CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS_INIT} $ENV{LDFLAGS}
      CACHE STRING "Flags used by the linker.")
 
diff --git a/Modules/CMakeTestFortranCompiler.cmake b/Modules/CMakeTestFortranCompiler.cmake
new file mode 100644
index 0000000000..4937d20fcc
--- /dev/null
+++ b/Modules/CMakeTestFortranCompiler.cmake
@@ -0,0 +1,31 @@
+# This file is used by EnableLanguage in cmGlobalGenerator to
+# determine that that selected C compiler can actually compile
+# and link the most basic of programs.   If not, a fatal error
+# is set and cmake stops processing commands and will not generate
+# any makefiles or projects.
+IF(NOT CMAKE_FORTRAN_COMPILER_WORKS)
+  MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_FORTRAN_COMPILER}")
+  FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeTmp/testFortranCompiler.f
+    "\tPROGRAM TESTFORTRAN\n"
+    "\tPRINT *, 'Hello'\n"
+    "\tEND\n")
+  TRY_COMPILE(CMAKE_FORTRAN_COMPILER_WORKS ${CMAKE_BINARY_DIR} 
+    ${CMAKE_BINARY_DIR}/CMakeTmp/testFortranCompiler.f
+    OUTPUT_VARIABLE OUTPUT)
+ENDIF(NOT CMAKE_FORTRAN_COMPILER_WORKS)
+
+IF(NOT CMAKE_FORTRAN_COMPILER_WORKS)
+  MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_FORTRAN_COMPILER} -- broken")
+  FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
+    "Determining if the Fortran compiler works failed with "
+    "the following output:\n${OUTPUT}\n\n")
+  MESSAGE(FATAL_ERROR "The Fortran compiler \"${CMAKE_FORTRAN_COMPILER}\" "
+    "is not able to compile a simple test program.\nIt fails "
+    "with the following output:\n ${OUTPUT}\n\n"
+    "CMake will not be able to correctly generate this project.")
+ELSE(NOT CMAKE_FORTRAN_COMPILER_WORKS)
+  MESSAGE(STATUS "Check for working Fortran compiler: ${CMAKE_FORTRAN_COMPILER} -- works")
+  FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log
+    "Determining if the Fortran compiler works passed with "
+    "the following output:\n${OUTPUT}\n\n")
+ENDIF(NOT CMAKE_FORTRAN_COMPILER_WORKS)
diff --git a/Modules/Platform/CYGWIN-g77.cmake b/Modules/Platform/CYGWIN-g77.cmake
new file mode 100644
index 0000000000..fd5329eeea
--- /dev/null
+++ b/Modules/Platform/CYGWIN-g77.cmake
@@ -0,0 +1,5 @@
+SET(CMAKE_SHARED_LIBRARY_PREFIX "lib")
+SET(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")
+SET(CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS "") 
+SET(CMAKE_SHARED_LIBRARY_FORTRAN_FLAGS "")
+INCLUDE(${CMAKE_ROOT}/Modules/Platform/g77.cmake)
diff --git a/Modules/Platform/g77.cmake b/Modules/Platform/g77.cmake
new file mode 100644
index 0000000000..a720f4fc16
--- /dev/null
+++ b/Modules/Platform/g77.cmake
@@ -0,0 +1,7 @@
+IF(CMAKE_COMPILER_IS_GNUG77)
+  SET (CMAKE_FORTRAN_FLAGS_INIT "")
+  SET (CMAKE_FORTRAN_FLAGS_DEBUG_INIT "-g")
+  SET (CMAKE_FORTRAN_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
+  SET (CMAKE_FORTRAN_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
+  SET (CMAKE_FORTRAN_FLAGS_RELWITHDEBINFO_INIT "-O2 -g")
+ENDIF(CMAKE_COMPILER_IS_GNUG77)