DMSETUP/build.txt

   1 Build a static linked, small dmsetup tool
   2
   3 ======== Source Code ========
   4 use an old version of dmsetup
   5 http://vault.centos.org/5.3/os/SRPMS/device-mapper-1.02.28-2.el5.src.rpm
   6 https://www.fefe.de/dietlibc/dietlibc-0.34.tar.xz
   7
   8 ======== Build Envrioment ========
   9 build for 32bit, static linked with dietlibc
  10 1. install centos 6.10 i386 with CentOS-6.10-i386-bin-DVD1.iso
  11 2. yum install gcc kernel-devel package
  12 3. install dietc libc (just make && make install)
  13 4. export PATH=$PATH:/opt/diet/bin
  14
  15 ======== Build Step ========
  16 1. extract device mapper source code
  17 2. CC="diet gcc" ./configure --disable-nls  --disable-selinux --disable-shared
  18 3. modify include/configure.h file
  19    --- delete the line with "#define malloc rpl_malloc"
  20    --- add 2 defines as follow:
  21        #ifndef UINT32_MAX
  22        #define UINT32_MAX  (4294967295U)
  23        #endif
  24
  25        #ifndef UINT64_C
  26        #define UINT64_C(c) c ## ULL
  27        #endif
  28
  29 4. make
  30 5. strip dmsetup/dmsetup
  31 5. get dmsetup/dmsetup as the binary file