Remove the Dll finding code from within the Main CMake

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/cmake/Modules/dlllist.cmake b/cmake/Modules/dlllist.cmake
new file mode 100644
index 000000000..0bf621a8a
--- /dev/null
+++ b/cmake/Modules/dlllist.cmake
@@ -0,0 +1,41 @@
+message(STATUS "processing dlllist.cmake")
+
+# figure out which command to use for objdump
+execute_process(
+	COMMAND ${CMAKE_C_COMPILER} -dumpmachine
+	OUTPUT_VARIABLE OBJDUMP
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# figure out where we should search for libraries
+execute_process(
+	COMMAND ${CMAKE_C_COMPILER} -print-search-dirs
+	COMMAND sed -nE "/^libraries: =/{s///;s,/lib/?\\\(:|\\\$\\\$\\\),/bin\\\\1,g;p;q;}"
+	OUTPUT_VARIABLE ADDPATH
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# since cmake doesn't appear to give us a variable with
+# all libraries we link against, grab the link.txt script
+# instead and drop the command name from it (before the
+# first space) -- this will fail if the full path for the
+# linker used contains a space...
+execute_process(
+	COMMAND tail -1 CMakeFiles/subsurface.dir/link.txt
+	COMMAND cut -d\\  -f 2-
+	OUTPUT_VARIABLE LINKER_LINE
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# finally run our win-ldd.pl script against that to
+# collect all the required dlls
+execute_process(
+	COMMAND sh -c "OBJDUMP=${OBJDUMP}-objdump PATH=$ENV{PATH}:${ADDPATH} perl ${CMAKE_SOURCE_DIR}/scripts/win-ldd.pl ${SUBSURFACE_TARGET}.exe ${LINKER_LINE}"
+	WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+	OUTPUT_VARIABLE DLLS
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# replace newlines with semicolons so this is a cmake list
+string(REPLACE "\\n" ";" DLLLIST ${DLLS})
+# executing 'install' as a command seems hacky, but you
+# can't use the install() cmake function in a script
+foreach(DLL ${DLLLIST})
+	execute_process(COMMAND install ${DLL} ${STAGING})
+endforeach()