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Diffstat (limited to 'examples/loadables/README')
| -rw-r--r-- | examples/loadables/README | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/examples/loadables/README b/examples/loadables/README index 4c02f47..db67860 100644 --- a/examples/loadables/README +++ b/examples/loadables/README @@ -10,13 +10,18 @@ of the shell. All of the new builtins in ksh93 that bash didn't already have are included here, as is the ksh `print' builtin. -Compile with cc and whatever pic options you need (look in the -Makefile for a few common settings) +The configure script in the top-level source directory uses the +support/shobj-conf script to set the right values in the Makefile, +so you should not need to change the Makefile. If your system +is not supported by support/shobj-conf, and it has the necessary +facilities for building shared objects and support for the +dlopen/dlsyn/dlclose/dlerror family of functions, please make +the necessary changes to support/shobj-conf and send the changes +to bash-maintainers@gnu.org. -load with ld and whatever shared object options you need (again, -look in the Makefile) +Loadable builtins are loaded into a running shell with -then enable -f filename builtin-name + enable -f filename builtin-name enable uses a simple reference-counting scheme to avoid unloading a shared object that implements more than one loadable builtin before @@ -24,4 +29,5 @@ all loadable builtins implemented in the object are removed. Many of the details needed by builtin writers are found in hello.c, the canonical example. There is no real `builtin writers' programming -guide'. +guide'. The file template.c provides a template to use for creating +new loadable builtins. |