[CMake] Problem with quotes in ExternalProject

[Milutin Jovanović]

Hi all,

I am sorry for dragging you all back into the quote problem, but I've just
spent 4 hours on ONE SET OF QUOTES!!! Sorry, had to get that out of the
system. I promise no more.

Any way, I am using ExternalProject, which downloads and builds couple of
projects. The problem is on Windows, where I am trying to invoke msbuild on
a MSVC solution that is included in the source archive. I am attaching the
cmake file for your reference.

Well, in it there are two external projects, first one builds fine, since I
do not have to pass it any complex parameters. But, for the second, I have
to expand its include list to point to the first one, and here I am having
trouble. The command in question is, specifically the BUILD_COMMAND and the
quotes in the /p:IncludePath argument:

  ExternalProject_Add(
    libvorbis
    # LIST_SEPARATOR ::
    DEPENDS libogg
    PREFIX libvorbis
    URL http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.2.tar.bz2
    URL_MD5 798a4211221073c1409f26eac4567e8b
    #CONFIGURE_COMMAND rem nop
    CONFIGURE_COMMAND echo msbuild
win32/vs2010/libvorbis/libvorbis_static.vcxproj /t:Build
/p:Configuration=${CMAKE_BUILD_TYPE}
/p:IncludePath="$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"
    BUILD_COMMAND msbuild win32/vs2010/libvorbis/libvorbis_static.vcxproj
/t:Build /p:Configuration=${CMAKE_BUILD_TYPE}
/p:IncludePath="$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"
    INSTALL_COMMAND rem nop
    BUILD_IN_SOURCE 1
    )

I am trying to make the argument on the command line to look like

/p:IncludePath="$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"

but no matter what I do, it does not work. I tried:

/p:IncludePath=$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/
/p:IncludePath="$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"
"/p:IncludePath="$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/""
"/p:IncludePath=\"$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/\""
\"/p:IncludePath=\"$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/\"\"
"/p:IncludePath=\\"$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/\\""

and probably few more, but I always either get something unusable. My best
guess was:

"/p:IncludePath=\"$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/\""

Quotes around the whole argument, and then escaping the inner quotes. But
very surprisingly I get:

/p:IncludePath=\"$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/\"

So, please, help. I am sure that in my frustration I forgot something
obvious...

Miki.
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cmake_minimum_required(VERSION 2.8) 

set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR} CACHE PATH "Path where to install.") 

project(dependecies)

include(ExternalProject)

if(WIN32)

  if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Debug")
  endif()
  message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")

  ExternalProject_Add(
    libogg
    PREFIX libogg
    URL http://downloads.xiph.org/releases/ogg/libogg-1.3.0.tar.gz
    URL_MD5 0a7eb40b86ac050db3a789ab65fe21c2
    CONFIGURE_COMMAND rem nop
    BUILD_COMMAND msbuild win32/vs2010/libogg_static.sln /t:Build /p:Configuration=${CMAKE_BUILD_TYPE}
    INSTALL_COMMAND rem nop
    BUILD_IN_SOURCE 1
    )
  add_custom_command(
    TARGET libogg POST_BUILD
    COMMAND cmake -E make_directory include/ogg
    )
  add_custom_command(
    TARGET libogg POST_BUILD
    COMMAND cmake -E make_directory lib
    )
  add_custom_command(
    TARGET libogg POST_BUILD
    COMMAND cmake -E copy_if_different libogg/src/libogg/include/ogg/ogg.h include/ogg/ogg.h
    )
  add_custom_command(
    TARGET libogg POST_BUILD
    COMMAND cmake -E copy_if_different libogg/src/libogg/include/ogg/os_types.h include/ogg/os_types.h
    )
  add_custom_command(
    TARGET libogg POST_BUILD
    COMMAND cmake -E copy_if_different libogg/src/libogg/Win32/VS2010/win32/${CMAKE_BUILD_TYPE}/libogg_static.lib lib/libogg.lib
    )

  ExternalProject_Add(
    libvorbis
    # LIST_SEPARATOR ::
    DEPENDS libogg
    PREFIX libvorbis
    URL http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.2.tar.bz2 
    URL_MD5 798a4211221073c1409f26eac4567e8b
    #CONFIGURE_COMMAND rem nop
    CONFIGURE_COMMAND echo msbuild win32/vs2010/libvorbis/libvorbis_static.vcxproj /t:Build /p:Configuration=${CMAKE_BUILD_TYPE} "/p:IncludePath=""$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"
    BUILD_COMMAND msbuild win32/vs2010/libvorbis/libvorbis_static.vcxproj /t:Build /p:Configuration=${CMAKE_BUILD_TYPE} "/p:IncludePath=$(IncludePath)${CMAKE_INSTALL_PREFIX}/include/"
    INSTALL_COMMAND rem nop
    BUILD_IN_SOURCE 1
    )

else()	

  if(APPLE)
    set(CONFIG_ARGS "--build=x86_64")
  endif()

  ExternalProject_Add(
    libogg
    PREFIX libogg
    URL http://downloads.xiph.org/releases/ogg/libogg-1.3.0.tar.gz
    URL_MD5 0a7eb40b86ac050db3a789ab65fe21c2
    CONFIGURE_COMMAND ./configure --prefix=${CMAKE_INSTALL_PREFIX} --disable-shared ${CONFIG_ARGS}
    BUILD_COMMAND make
    INSTALL_COMMAND make install
    BUILD_IN_SOURCE 1
    )

  # due to limitation of cmake, the below line has no effect; it has to be executed before this script
  set(ENV{PKG_CONFIG_PATH} "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}")

  ExternalProject_Add(
    libvorbis
    DEPENDS libogg
    PREFIX libvorbis
    URL http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.2.tar.bz2 
    URL_MD5 798a4211221073c1409f26eac4567e8b
    CONFIGURE_COMMAND ./configure --prefix=${CMAKE_INSTALL_PREFIX} --with-ogg=${CMAKE_INSTALL_PREFIX} --disable-shared ${CONFIG_ARGS}
    BUILD_COMMAND make
    INSTALL_COMMAND make install
    BUILD_IN_SOURCE 1
    )

endif()