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| -rw-r--r-- | INSTALL | 77 |
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@@ -0,0 +1,77 @@ +Installation +============ + + +Checkout from git +----------------- + +If you use the tarball, you can just skip that section. If you checked out the +kexec-tools from git repository, you have to build the Autoconf-generated +file yourself with running + + ./bootstrap + +You have to install "autoconf" for that. After that, you should have a file +called "configure" in the top-level directory of kexec-tools, and you can +continue with the next step. + + +General +------- + +You should check first if your favourite Linux distribution doesn't offer a +package. If that package is recent enough, you should consider using that +package instead. + +However, if you want to install kexec-tools from sources + + (1) Run ./configure [--prefix=/usr/local] [options]... + e.g. + + ./configure --prefix=/usr/local + + For a full list of options run + + ./configure --help + + (2) Run make + + make + + (3) To install kexec-tools + After following the above instructions to build-kexec tools, run + + make install + + +Static compilation +------------------ + +To compile kexec-tools statically (i.e., independent of libraries that are +present on the system), use + + LDFLAGS=-static ./configure <options> + +instead. + + +Cross compilation +----------------- + +Because kexec is also used in the embedded world, cross-compilation is +supported. You cannot only set "CC", "LD", "CCFLAGS" and "LDFLAGS" environment +variables for the ./configure call as usual, you can also set + + TARGET_CC -- the C compiler used for files that should run on the + target + TARGET_CCFLAGS -- compilation flags for $TARGET_CC + TARGET_LD -- linker used for files that should run on the + target + +Because the build process also requires files that must be executed during the +build, you also need a host compiler, only the target compiler is not enough. + + BUILD_CC -- the C compiler used for files that should run on the + host (the system that builds the kexec-tools) + BUILD_CFLAGS -- compilation flags for $BUILD_CC + |