Please provide a minimal but complete example for this issue. Please find it in the following link http://pastie.org/private/pd13u33s9xpfihf2dbzc1q
Thank You Ajay On Sat, Mar 3, 2012 at 3:54 PM, Michael Hertling <mhertl...@online.de>wrote: > On 03/04/2012 12:14 AM, Ajay Panyala wrote: > > No, it wouldn't; check it out: > > > > % touch a > > % rm -f b > > % ls b > > ls: cannot access b: No such file or directory > > % cmake -E copy_if_different a b > > % ls b > > b > > % cksum a b > > 4294967295 0 a > > 4294967295 0 b > > > > It works with one file, but I have 4 files that are generated. > > I have 4 cmake -E copy_if_different commands, one for each file. > > Only the last file is not copied (if similar). The others are copied > > even if they are the same. > > > > I verfied that they are the same with a diff. > > > > Any idea what might be happening here ? > > Please provide a minimal but complete example for this issue. > > Regards, > > Michael > > > On Sat, Mar 3, 2012 at 2:47 PM, Michael Hertling <mhertl...@online.de > >wrote: > > > >> On 03/03/2012 10:36 PM, Ajay Panyala wrote: > >>> Try "cmake -E copy_if_different ..." > >>> > >>> cmake -E copy_if_different build/test1.c build/tests/test1.c > >>> > >>> That would work when make is run atleast once. > >>> When running make for the 1st time test1.c was never > >>> copied to build/tests before. So I would be comparing a file with > >>> another non-existant file and that would result in an error halting > >>> the make process. > >> > >> No, it wouldn't; check it out: > >> > >> % touch a > >> % rm -f b > >> % ls b > >> ls: cannot access b: No such file or directory > >> % cmake -E copy_if_different a b > >> % ls b > >> b > >> % cksum a b > >> 4294967295 0 a > >> 4294967295 0 b > >> > >> Regards, > >> > >> Michael > >> > >>> On Sat, Mar 3, 2012 at 1:20 PM, Hendrik Sattler < > p...@hendrik-sattler.de > >>> wrote: > >>> > >>>> Am Samstag, 3. März 2012, 21:41:49 schrieb Ajay Panyala: > >>>>> I have a custom target which runs a command to generate > >>>>> a C source file say test1.c > >>>>> > >>>>> ADD_CUSTOM_TARGET(TestGen ALL > >>>>> COMMAND genExec ${PROJECT_SOURCE_DIR}/Main.java > >>>>> DEPENDS ${PROJECT_SOURCE_DIR}/Main.java > >>>>> ) > >>>>> > >>>>> And I have a custom command that moves the generated *test1.c * > >>>>> to a new directory inside the build directory. > >>>>> > >>>>> ADD_CUSTOM_COMMAND( > >>>>> TARGET TestGen > >>>>> POST_BUILD > >>>>> COMMAND mv > >>>>> ARGS ${PROJECT_BINARY_DIR}/test1.c ${PROJECT_BINARY_DIR}/tests/ > >>>>> ) > >>>>> > >>>>> Each time I run make, the custom target is run (since custom targets > >> are > >>>>> always > >>>>> out-of-date). But I want to avoid moving the new test1.c generated > each > >>>>> time if build/test1.c is the same as build/tests/test1.c since there > >> are > >>>>> other targets > >>>>> like add_executable and add_library later in the CMakelists file that > >> are > >>>>> re-built > >>>>> each time since they depend on test1.c > >>>> > >>>> Try "cmake -E copy_if_different ..." > >>>> > >>>> HS > -- > > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Follow this link to subscribe/unsubscribe: > http://www.cmake.org/mailman/listinfo/cmake > -- Ajay Panyala | Email: a...@csc.lsu.edu Department of Computer Science | Phone: +1 (225) 907 9501 Louisiana State University | www.csc.lsu.edu/~ajay
-- Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Follow this link to subscribe/unsubscribe: http://www.cmake.org/mailman/listinfo/cmake