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Watcom: Fix creation of DLLs without any exported symbols 

Create each DLL import library by passing "option implib=..." to the
linker for its SHARED library.  This works even when there are no
symbols to be exported.  Leave the option out for MODULE libraries
because we do not need an import library for them.  For executables,
retain the separate invocation of wlib because we want an import
library only when the ENABLE_EXPORTS property is set, and in that
case the project should provide symbols.

Suggested-by: J Decker <d3ck0r@gmail.com>
This commit is contained in:
Brad King 2014-02-27 16:22:28 -05:00
parent 0f9dbc1608
commit 00503d387e
1 changed files with 3 additions and 4 deletions
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7
Modules/Platform/Windows-wcl386.cmake
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@ -65,11 +65,10 @@ set(CMAKE_C_CREATE_PREPROCESSED_SOURCE
set(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE
"<CMAKE_CXX_COMPILER> ${CMAKE_START_TEMP_FILE} ${CMAKE_WCL_QUIET} <FLAGS> -dWIN32 -d+ <DEFINES> -fo<PREPROCESSED_SOURCE> -pl -cc++ <SOURCE>${CMAKE_END_TEMP_FILE}")
set(CMAKE_CXX_CREATE_SHARED_MODULE
"wlink ${CMAKE_START_TEMP_FILE} system nt_dll ${CMAKE_WLINK_QUIET} name '<TARGET_UNQUOTED>' <LINK_FLAGS> option caseexact file {<OBJECTS>} <LINK_LIBRARIES> ${CMAKE_END_TEMP_FILE}")
set(CMAKE_CXX_CREATE_SHARED_LIBRARY
${CMAKE_CXX_CREATE_SHARED_MODULE}
${CMAKE_CXX_CREATE_IMPORT_LIBRARY})
"wlink ${CMAKE_START_TEMP_FILE} system nt_dll ${CMAKE_WLINK_QUIET} name '<TARGET_UNQUOTED>' <LINK_FLAGS> option implib=<TARGET_IMPLIB> option caseexact file {<OBJECTS>} <LINK_LIBRARIES> ${CMAKE_END_TEMP_FILE}")
string(REPLACE " option implib=<TARGET_IMPLIB>" ""
CMAKE_CXX_CREATE_SHARED_MODULE "${CMAKE_CXX_CREATE_SHARED_LIBRARY}")
# create a C shared library
set(CMAKE_C_CREATE_SHARED_LIBRARY ${CMAKE_CXX_CREATE_SHARED_LIBRARY})