No, it wouldn't; Thanks. It works now. I might have done something wrong earlier.
- Ajay 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 out-of-date).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 >
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