Add platform variable for flags specific to shared libraries

Store in CMAKE_${lang}_COMPILE_OPTIONS_DLL flags from
CMAKE_SHARED_LIBRARY_${lang}_FLAGS that are truly exclusive to shared
libraries.

Modules/CMakeCXXInformation.cmake

@@ -108,6 +108,10 @@ IF(NOT CMAKE_CXX_COMPILE_OPTIONS_PIE)
   SET(CMAKE_CXX_COMPILE_OPTIONS_PIE ${CMAKE_C_COMPILE_OPTIONS_PIE})
 ENDIF(NOT CMAKE_CXX_COMPILE_OPTIONS_PIE)
 
+IF(NOT CMAKE_CXX_COMPILE_OPTIONS_DLL)
+  SET(CMAKE_CXX_COMPILE_OPTIONS_DLL ${CMAKE_C_COMPILE_OPTIONS_DLL})
+ENDIF(NOT CMAKE_CXX_COMPILE_OPTIONS_DLL)
+
 IF(NOT CMAKE_SHARED_LIBRARY_CXX_FLAGS)
   SET(CMAKE_SHARED_LIBRARY_CXX_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
 ENDIF(NOT CMAKE_SHARED_LIBRARY_CXX_FLAGS)

Modules/CMakeFortranInformation.cmake

@@ -82,6 +82,10 @@ IF(NOT CMAKE_Fortran_COMPILE_OPTIONS_PIE)
   SET(CMAKE_Fortran_COMPILE_OPTIONS_PIE ${CMAKE_C_COMPILE_OPTIONS_PIE})
 ENDIF(NOT CMAKE_Fortran_COMPILE_OPTIONS_PIE)
 
+IF(NOT CMAKE_Fortran_COMPILE_OPTIONS_DLL)
+  SET(CMAKE_Fortran_COMPILE_OPTIONS_DLL ${CMAKE_C_COMPILE_OPTIONS_DLL})
+ENDIF(NOT CMAKE_Fortran_COMPILE_OPTIONS_DLL)
+
 # 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

Modules/Compiler/SCO.cmake

@@ -22,6 +22,7 @@ macro(__compiler_sco lang)
   # Feature flags.
   set(CMAKE_${lang}_COMPILE_OPTIONS_PIC -Kpic)
   set(CMAKE_${lang}_COMPILE_OPTIONS_PIE -Kpie)
+  set(CMAKE_${lang}_COMPILE_OPTIONS_DLL -belf)
   set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-Kpic -belf")
   set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-belf -Wl,-Bexport")
 endmacro()

Modules/Platform/Windows-Embarcadero.cmake

@@ -76,7 +76,8 @@ SET (CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO_INIT ${CMAKE_SHARED_LINKER_FLAGS_R
 
 
 macro(__embarcadero_language lang)
-  set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "${_tD}")
+  set(CMAKE_${lang}_COMPILE_OPTIONS_DLL "${_tD}") # Note: This variable is a ';' separated list
+  set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "${_tD}") # ... while this is a space separated string.
 
   # compile a source file into an object file
   # place <DEFINES> outside the response file because Borland refuses

Modules/Platform/Windows-wcl386.cmake

@@ -20,7 +20,8 @@ SET (CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT "debug all" )
 SET (CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT "debug all" )
 SET (CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO_INIT "debug all" )
 
-set (CMAKE_SHARED_LIBRARY_C_FLAGS "-bd" )
+set(CMAKE_C_COMPILE_OPTIONS_DLL "-bd") # Note: This variable is a ';' separated list
+set(CMAKE_SHARED_LIBRARY_C_FLAGS "-bd") # ... while this is a space separated string.
 
 SET(CMAKE_RC_COMPILER "rc" )
 

Tests/SystemInformation/SystemInformation.in

@@ -32,6 +32,7 @@ CMAKE_SHARED_LIBRARY_LINK_STATIC_C_FLAGS == "${CMAKE_SHARED_LIBRARY_LINK_STATIC_
 CMAKE_SHARED_LIBRARY_LINK_DYNAMIC_C_FLAGS == "${CMAKE_SHARED_LIBRARY_LINK_DYNAMIC_C_FLAGS}"
 CMAKE_C_COMPILE_OPTIONS_PIC == "${CMAKE_C_COMPILE_OPTIONS_PIC}"
 CMAKE_C_COMPILE_OPTIONS_PIE == "${CMAKE_C_COMPILE_OPTIONS_PIE}"
+CMAKE_C_COMPILE_OPTIONS_DLL == "${CMAKE_C_COMPILE_OPTIONS_DLL}"
 
 // C shared module flags
 CMAKE_SHARED_MODULE_C_FLAGS  == "${CMAKE_SHARED_MODULE_C_FLAGS}"
@@ -53,6 +54,7 @@ CMAKE_SHARED_LIBRARY_LINK_STATIC_CXX_FLAGS == "${CMAKE_SHARED_LIBRARY_LINK_STATI
 CMAKE_SHARED_LIBRARY_LINK_DYNAMIC_CXX_FLAGS == "${CMAKE_SHARED_LIBRARY_LINK_DYNAMIC_CXX_FLAGS}"
 CMAKE_CXX_COMPILE_OPTIONS_PIC == "${CMAKE_CXX_COMPILE_OPTIONS_PIC}"
 CMAKE_CXX_COMPILE_OPTIONS_PIE == "${CMAKE_CXX_COMPILE_OPTIONS_PIE}"
+CMAKE_CXX_COMPILE_OPTIONS_DLL == "${CMAKE_CXX_COMPILE_OPTIONS_DLL}"
 
 // CXX shared module flags
 CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS == "${CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS}"