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cmake: build working Windows installer including all the DLLs

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Figure out the DLLs we need to include in the installer before building
the installer executable.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-04-03 10:05:05 -07:00
parent 61ff7c5f8b
commit 6a466d0cfb
1 changed files with 57 additions and 3 deletions
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60
CMakeLists.txt
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@ -470,11 +470,65 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
if(NOT DEFINED MAKENSIS)
set(MAKENSIS makensis)
endif()
# stupid cmake doesn't allow a target to depend on the "install" target.
# How lame is that...
# next figure out the DLLs we need to include in the installer
# since this needs to run at install time we create a new cmake
# script that then gets executed at install time with install(CODE...)
FILE(WRITE ${CMAKE_BINARY_DIR}/dlllist.cmake "
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.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()
")
# the script we created above is now added as a command to run at
# install time - so this ensures that subsurface.exe has been
# built before this is run
install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -DSTAGING=${WINDOWSSTAGING} -P ${CMAKE_BINARY_DIR}/dlllist.cmake)")
# create the subsurface-x.y.z.exe installer - this needs to depend
# on the install target but cmake doesn't allow that, so we depend
# on the fake target instead
add_custom_target(fake_install
COMMAND "${CMAKE_COMMAND}" --build . --target install
DEPENDS subsurface)
DEPENDS subsurface
)
add_custom_target(installer
COMMAND ${MAKENSIS} ${WINDOWSSTAGING}/subsurface.nsi
DEPENDS fake_install