Use cmake instead of make

bji / libs3

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Use cmake instead of make #64

Closed likema closed 7 years ago

likema commented 7 years ago

cmake is better than make for portability so that I wrote cmake file instead of make, which is well tested in

Ubuntu 12.04/14.04 i386/amd64
Ubuntu 14.10/16.04 aarch64 cross building in Ubuntu 14.10/16.04
ppc/ppc64/ppc64le, mipsel/mips64el, sparc/sparc64, s390/s390x. ia64, alpha and aarch64 cross building.
MinGW cross building in Ubuntu 12.04/14.04
RHEL 4/5/6/7 i686/x86_64
HP-UX IA64 and PA-RISC
AIX 5.1 PPC/PPC64
Solaris 9 sparc/sparc64
Solaris 10 x86/x86_64

bji commented 7 years ago

Did you test the existing makefile on all of those platforms? Do you have reason to believe that it won't work on them?

likema commented 7 years ago

I have not tested the existing makefile. Because it is hard to maintain.

cmake can output the temp and binary files into another directory.
The cross compilation of cmake is better than make, e.g. cross multi-arch Linux ppc/ppc64/ppc64le, mipsel/mips64el, sparc/sparc64, s390/s390x, aarch64 and so on.
cmake supports multiple compilers better than make, e.g. clang and Visual Studio.
cmake supports options better than make. I have implemented the options that are building statiic and dynamic libraries.

bji commented 7 years ago

Aside from possibly making building on Windows easier, those other advantages are either already met with the existing makefiles, or haven't been needed in 8 years.

I don't really want to change the build system over to cmake, sorry.

You can keep the changes local or fork libs3 for cmake. Thanks.