In response to myself I've figure it out with using add_step function and calling some commands.
Full source for what's working building both external libraries. include(ExternalProject) ExternalProject_Add(sdl HG_REPOSITORY http://hg.libsdl.org/SDL UPDATE_COMMAND hg pull -u http://hg.libsdl.org/SDL CMAKE_ARGS -DSDL_STATIC:BOOL=FALSE -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR} SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/SDL INSTALL_DIR ${CMAKE_BINARY_DIR} ) ExternalProject_Get_Property(sdl install_dir) SET(SDL_INSTALL_DIR ${install_dir}) ExternalProject_Add(sdl_image DEPENDS sdl HG_REPOSITORY http://hg.libsdl.org/SDL_image/ UPDATE_COMMAND hg pull -u http://hg.libsdl.org/SDL_image/ COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/SDL_image/./autogen.sh #this works CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/SDL_image/./configure --prefix=${SDL_INSTALL_DIR} SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/SDL_image INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR} ) ExternalProject_Get_Property(sdl_image install_dir) SET(SDL_IMAGE_INSTALL_DIR ${install_dir}) this installs the sdl things in build-tree/lib build-tree/include build-tree/share but even if I try to hardcode the path's they don't get picked up. The other libraries not build with external project add cannot find those files. How do I get those files to be picked up by the regular cmake build? Also I have one further question though they might be related and can be solved at the same time. I would like to add this to my external projects, their include directories are located in TARGET_INCLUDE_DIRECTORIES(sdl PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include) On Tue, Dec 15, 2015 at 8:47 PM, Owen Hogarth II <gurenc...@gmail.com> wrote: > I was able to build the external project that required cmake like this: > include(ExternalProject) > > ExternalProject_Add(sdl > HG_REPOSITORY http://hg.libsdl.org/SDL > UPDATE_COMMAND hg pull -u http://hg.libsdl.org/SDL > > CMAKE_ARGS -DSDL_STATIC:BOOL=FALSE > -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR}/lib > > SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/SDL > > INSTALL_DIR ${CMAKE_BINARY_DIR} > ) > ExternalProject_Get_Property(sdl install_dir) > SET(SDL_INSTALL_DIR ${install_dir}) > > > now this second file uses ./configure to set up it's environment. > I can build it by going into the folder first running ./autogen.sh then > ./configure ... > > or If I use this external project script below > ExternalProject_Add(sdl_image > DEPENDS sdl > HG_REPOSITORY http://hg.libsdl.org/SDL_image/ > UPDATE_COMMAND hg pull -u http://hg.libsdl.org/SDL_image/ > > # MAKE_COMMAND make > CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/SDL_image/./configure > --prefix=${SDL_INSTALL_DIR}/lib > #adding this prefix I get further in my build then I get an error > > SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/SDL_image > > INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR} > ) > > error: > missing: line 81: aclocal-1.13: > command not found > WARNING: 'aclocal-1.13' is missing on your system. > You should only need it if you modified 'acinclude.m4' or > 'configure.ac' or m4 files included by 'configure.ac'. > The 'aclocal' program is part of the GNU Automake package: > <http://www.gnu.org/software/automake> > It also requires GNU Autoconf, GNU m4 and Perl in order to run: > <http://www.gnu.org/software/autoconf> > <http://www.gnu.org/software/m4/> > <http://www.perl.org/> > > I can't actually get cmake to run the autogen script for me. If I leave > and manually go run ./autogen.sh and then re-run this cmake command things > will built correctly. > > How can I run the autogen.sh command from within that > "ExternalProject_Add(sdl_image ..)" block? >
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