Create Fortran info variables for .mod behavior

Define CMAKE_Fortran_MODDIR_DEFAULT and CMAKE_Fortran_MODOUT_FLAG
variables to help some Fortran compilers generate .mod files in the
current working directory.

1 files changed, 13 insertions, 0 deletions

diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index 9153f3a..6b290ab 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -1723,6 +1723,8 @@ const char* cmMakefileTargetGenerator::GetFortranModuleDirectory()
       this->Target->GetProperty("Fortran_MODULE_DIRECTORY");
     const char* moddir_flag =
       this->Makefile->GetDefinition("CMAKE_Fortran_MODDIR_FLAG");
+    const char* moddir_default =
+      this->Makefile->GetDefinition("CMAKE_Fortran_MODDIR_DEFAULT");
     if(target_mod_dir && moddir_flag)
       {
       // Compute the full path to the module directory.
@@ -1743,6 +1745,10 @@ const char* cmMakefileTargetGenerator::GetFortranModuleDirectory()
       // Make sure the module output directory exists.
       cmSystemTools::MakeDirectory(this->FortranModuleDirectory.c_str());
       }
+    else if(moddir_default && moddir_flag)
+      {
+      this->FortranModuleDirectory = moddir_default;
+      }
     this->FortranModuleDirectoryComputed = true;
     }
 
@@ -1760,6 +1766,13 @@ const char* cmMakefileTargetGenerator::GetFortranModuleDirectory()
 //----------------------------------------------------------------------------
 void cmMakefileTargetGenerator::AddFortranFlags(std::string& flags)
 {
+  // Enable module output if necessary.
+  if(const char* modout_flag =
+     this->Makefile->GetDefinition("CMAKE_Fortran_MODOUT_FLAG"))
+    {
+    this->LocalGenerator->AppendFlags(flags, modout_flag);
+    }
+
   // Add a module output directory flag if necessary.
   if(const char* mod_dir = this->GetFortranModuleDirectory())
     {