[cmake-developers] Unsubscribe

[John Farrier]

(iPhone)

> On Jun 8, 2014, at 12:00, cmake-developers-request at cmake.org wrote:
> 
> Send cmake-developers mailing list submissions to
>    cmake-developers at cmake.org
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>    http://public.kitware.com/cgi-bin/mailman/listinfo/cmake-developers
> or, via email, send a message with subject or body 'help' to
>    cmake-developers-request at cmake.org
> 
> You can reach the person managing the list at
>    cmake-developers-owner at cmake.org
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of cmake-developers digest..."
> 
> 
> Today's Topics:
> 
>   1. Modules/FindLua51.cmake: lua5.1 include path    seems wrong
>      (o.kurz at gmx.de)
>   2. Modules/FindLua51.cmake: lua5.1 include path    seems wrong
>      (o.kurz at gmx.de)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sun, 08 Jun 2014 15:12:01 +0200
> From: o.kurz at gmx.de
> To: cmake-developers at cmake.org
> Subject: [cmake-developers] Modules/FindLua51.cmake: lua5.1 include
>    path    seems wrong
> Message-ID: <2100329.pYFkM4cQzp at in1689>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hello,
> 
> I observed a problem trying to build a CMake based project using lua5.1 on a
> system where both lua5.1 and lua5.2 are present (Linux Arch).
> It seems, "Modules/FindLua51.cmake" causes the header for lua5.2 to be
> found but the lib for version 5.1 causing obvious problems when trying to
> link.
> Using "strace" I observed that cmake searches in each path prefix first in
> the subdirectory "include", then starting from the base directory.
> As
> Modules/FindLua51.cmake specifies
> {{{
> find_path(LUA_INCLUDE_DIR lua.h
>  HINTS
>    ENV LUA_DIR
>  PATH_SUFFIXES include/lua51 include/lua5.1 include/lua-5.1 include/lua 
> include
> }}}
> Then cmake actually looks for lua.h in this folder order:
> <prefix>/include/include/lua51/
> <prefix>/include/include/lua5.1/
> <prefix>/include/include/lua-5.1/
> <prefix>/include/include/lua/
> <prefix>/include/include/
> <prefix>/include/
> ... next prefix ...
> 
> which looks wrong to me.
> 
> "strace" tells:
> {{{
> access("/usr/include/include/lua51/lua.h", R_OK) = -1 ENOENT (No such file or 
> directory)
> access("/usr/include/include/lua5.1/lua.h", R_OK) = -1 ENOENT (No such file or 
> directory)
> access("/usr/include/include/lua-5.1/lua.h", R_OK) = -1 ENOENT (No such file 
> or directory)
> access("/usr/include/include/lua/lua.h", R_OK) = -1 ENOENT (No such file or 
> directory)
> access("/usr/include/include/lua.h", R_OK) = -1 ENOENT (No such file or 
> directory)
> access("/usr/include/lua.h", R_OK)      = 0
> }}}
> So a file is found but this is actually the one from lua5.2. cmake should have 
> searched in
> /usr/include/lua5.1/lua.h
> in my case.
> 
> I deleted the additional "include/" in FindLua51.cmake and it worked.
> 
> A patch is attached.
> 
> I would be very happy for receiving feedback.
> 
> Regards,
> Oliver Kurz
> -------------- next part --------------
> A non-text attachment was scrubbed...
> Name: 0001-FindLua51-Correct-include-search-path.patch
> Type: text/x-patch
> Size: 771 bytes
> Desc: not available
> URL: <http://public.kitware.com/pipermail/cmake-developers/attachments/20140608/fdf6a825/attachment-0001.bin>
> 
> ------------------------------
> 
> Message: 2
> Date: Sun, 08 Jun 2014 15:00:12 +0200
> From: o.kurz at gmx.de
> To: cmake-developers at cmake.org
> Subject: [cmake-developers] Modules/FindLua51.cmake: lua5.1 include
>    path    seems wrong
> Message-ID: <2161782.NSFI7NEOaE at in1689>
> Content-Type: text/plain; charset="us-ascii"
> 
> Hello,
> 
> I observed a problem trying to build a CMake based project using lua5.1 on a
> system where both lua5.1 and lua5.2 are present (Linux Arch).
> It seems, "Modules/FindLua51.cmake" causes the header for lua5.2 to be
> found but the lib for version 5.1 causing obvious problems when trying to
> link.
> Using "strace" I observed that cmake searches in each path prefix first in
> the subdirectory "include", then starting from the base directory.
> As
> Modules/FindLua51.cmake specifies
> {{{
> find_path(LUA_INCLUDE_DIR lua.h
>  HINTS
>    ENV LUA_DIR
>  PATH_SUFFIXES include/lua51 include/lua5.1 include/lua-5.1 include/lua include
> }}}
> Then cmake actually looks for lua.h in this folder order:
> <prefix>/include/include/lua51/
> <prefix>/include/include/lua5.1/
> <prefix>/include/include/lua-5.1/
> <prefix>/include/include/lua/
> <prefix>/include/include/
> <prefix>/include/
> ... next prefix ...
> 
> which looks wrong to me.
> 
> "strace" tells:
> {{{
> access("/usr/include/include/lua51/lua.h", R_OK) = -1 ENOENT (No such file or directory)
> access("/usr/include/include/lua5.1/lua.h", R_OK) = -1 ENOENT (No such file or directory)
> access("/usr/include/include/lua-5.1/lua.h", R_OK) = -1 ENOENT (No such file or directory)
> access("/usr/include/include/lua/lua.h", R_OK) = -1 ENOENT (No such file or directory)
> access("/usr/include/include/lua.h", R_OK) = -1 ENOENT (No such file or directory)
> access("/usr/include/lua.h", R_OK)      = 0
> }}}
> So a file is found but this is actually the one from lua5.2. cmake should have searched in
> /usr/include/lua5.1/lua.h
> in my case.
> 
> I deleted the additional "include/" in FindLua51.cmake and it worked.
> 
> A patch is attached.
> 
> I would be very happy for receiving feedback.
> 
> Regards,
> Oliver Kurz
> -------------- next part --------------
> A non-text attachment was scrubbed...
> Name: 0001-FindLua51-Correct-include-search-path.patch
> Type: text/x-patch
> Size: 771 bytes
> Desc: not available
> URL: <http://public.kitware.com/pipermail/cmake-developers/attachments/20140608/d4dae660/attachment-0001.bin>
> 
> ------------------------------
> 
> Subject: Digest Footer
> 
> -- 
> 
> Powered by www.kitware.com
> 
> Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ
> 
> Kitware offers various services to support the CMake community. For more information on each offering, please visit:
> 
> CMake Support: http://cmake.org/cmake/help/support.html
> CMake Consulting: http://cmake.org/cmake/help/consulting.html
> CMake Training Courses: http://cmake.org/cmake/help/training.html
> 
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
> 
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/cgi-bin/mailman/listinfo/cmake-developers
> 
> ------------------------------
> 
> End of cmake-developers Digest, Vol 71, Issue 8
> ***********************************************