Is it only the messages printed to the screen that you're concerned
with?
Michael
On 30. Nov, 2009, at 18:39 , Alexander Tarnopolsky wrote:
Thanks for prompt response!
The real reason for inclusion of those "external" sources is the
size of
our projects.
We have read-only "shared/public" workarea were all the sources
reside.
The developer checks-out only the files that should be modified during
his current task (his source files are complemented with "public"
files
during the build).
We try to avoid copying/duplication of a large number of files to
developer's workarea (which takes time/bandwidth, requires frequent
updates and raises chances for inconsistency).
With the same rational we'd like to avoid copying of sources to
${CMAKE_BINARY_DIR}.
Kind Regards,
Alex Tarnopolsky
-----Original Message-----
From: Michael Wild [mailto:them...@gmail.com]
Sent: Monday, November 30, 2009 6:47 PM
To: Alexander Tarnopolsky
Cc: CMake List
Subject: Re: [CMake] Is there a way to omit relative path from the
name
of the comilation output file (<OBJECT>)?
Apart from me not liking this setup (those external sources should
probably be a separate project and be compiled as a library which then
is imported) you could use
CONFIGURE_FILE(/long/path/to/file ${CMAKE_BINARY_DIR}/file COPYONLY)
and then pass ${CMAKE_BINARY_DIR}/file to the add_executable/
add_library calls. You could also wrap the latter commands in custom
macros/functions to scan a list of source files for out-of-source
sources and the automatically copy them to the build tree.
Michael
On 30. Nov, 2009, at 16:53 , Alexander Tarnopolsky wrote:
Dear CMake users list,
In our build system we have to compile source files that reside out
of
source/build tree. In some cases there are several hundreds of such
"external" sources in a project.
Consider simplified CMakeLists.txt:
===================================
Project (system)
set(SOURCES
/users/gdadmin/PG41/project/src/library/system/AttachDebugger.cc
/users/gdadmin/PG41/project/src/library/system/CPUInfo.cc
DSOInfo.cc
DSOManip.cc
HelpControl.cc
LocateExe.cc
MksTemp.cc
PathManip.cc
PluginLoader.cc
ProcessAffinity.cc
RTTI.cc
Setenv.cc
ShellUtils.cc
Sleep.cc
SysTime.cc
TraceStack.cc
UserInfo.cc
VTControl.cc
Asm/CPUID_c.cc
)
add_library (system SHARED ${SOURCES})
=======================================
The compilation of the first source produces the following output
file:
"CMakeFiles/system.dir/users/gdadmin/PG41/project/src/library/system/
Att
achDebugger.cc.o"
Imagine a link command where several hundreds of object files are
listed
with this relative path...
Thus we are looking for a way to shorten the path. Ideally - we'd
like
to generate compiled objects under the same flat-directory
regardless of
the source file location.
I understand that ""CMakeFiles/system.dir" part of the relative path
to
object files cannot be changed - I hope we can handle this.
But is there a way to change
"/users/gdadmin/PG41/project/src/library/system" part?
I experimented with CMAKE_CXX_COMPILE_OBJECT rule-variable and tried
to
replace the <OBJECT> with something else, but apparently the
rule-command is invoked always when <OBJECT> file is missing,
probably
the dependency between <OBJECT> and <SOURCE> drives the rule-command.
Of course there is a possibility to compile objects by a custom
command
and to manage object's dependencies by a script etc.. However we
don't
like to give up on cmake built-in rules for compilation and
dependency
tracking.
Thanks in advance for your help,
Kind Regards,
Alex Tarnopolsky
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Please keep messages on-topic and check the CMake FAQ at:
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