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update readme

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Christopher Jeffrey 2014-10-02 14:29:38 -07:00
parent 75e2369b09
commit b8b8f5a305
1 changed files with 11 additions and 7 deletions
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README.md
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@ -32,10 +32,13 @@ bitcoind as a shared object. This may not be ideal yet.
- LevelDB Header Files (included in bitcoin source repo, leveldb itself - LevelDB Header Files (included in bitcoin source repo, leveldb itself
unnecessary, libbitcoind.so is already linked to them) unnecessary, libbitcoind.so is already linked to them)
``` bash ``` bash
# ensure clean up # ensure clean up
$ make clean $ make clean
$ find ~/bitcoin -type f -name '*.o' -or -name '*.so' -print0 | xargs -0 rm -f $ find ~/bitcoin -type f -name '*.o' \
-or -name '*.so' -or -name '*.lo' \
-or -name '*.la' -print0 | xargs -0 rm -fv
# create configure file # create configure file
$ ./autogen.sh $ ./autogen.sh
@ -43,22 +46,23 @@ $ ./autogen.sh
# configure as a library with -fPIC on all object files # configure as a library with -fPIC on all object files
# use --with-incompatible-bdb if necessary # use --with-incompatible-bdb if necessary
# use --prefix=/usr if necessary # use --prefix=/usr if necessary
$ ./configure --enable-library --with-incompatible-bdb $ ./configure --enable-daemonlib
# build libbitcoind.so # build libbitcoind.so
$ time make library $ time make
real 31m33.128s real 31m33.128s
user 16m23.930s user 16m23.930s
sys 2m52.310s sys 2m52.310s
``` ```
`--enable-library` will compile all object files with `-fPIC` (Position `--enable-daemonlib` will compile all object files with `-fPIC` (Position
Independent Code - needed to create a shared object). Independent Code - needed to create a shared object).
`make library` will then compile `./src/libbitcoind.so` (with `-shared -fPIC`), `make` will then compile `./src/libbitcoind.so` (with `-shared -fPIC`), linking
linking to all the freshly compiled PIC object files. to all the freshly compiled PIC object files. This will completely ignore
compiling tests and the QT object files.
Without `--enable-library`, the Makefile with compile bitcoind with -fPIE Without `--enable-daemonlib`, the Makefile with compile bitcoind with -fPIE
(Position Independent for Executable), this allows compiling of bitcoind. (Position Independent for Executable), this allows compiling of bitcoind.
#### Todo #### Todo