The primary goal of this repository is to provide a framework for creating statically linked AppImage runtimes.
The code from this repository is currently a copy-paste of the AppImageKit runtime with some refactoring (including fixing all the compiler warnings).
To build the default, completely statically linked runtime, pass
--wrap-mode=forcefallback to the Meson setup command. This causes Meson to
pull all dependencies as subprojects and build them from source (as static
libraries).
meson --wrap-mode=forcefallback -Ddefault_library=static build
ninja -C buildTo reduce the file size of the generated runtime image, the use of musl libc is recommended.
To use libRuntime for your runtime, generate a .wrap file for this project
and include it in your subproject folder. Then the libRuntime library as well
as the patch program for the executable can be obtained like this:
# more code ...
# Required programs for the patcher script
dd_prog = find_program('dd')
objcopy_prog = find_program('objcopy')
# Build libRuntime
libruntime_sp = subproject('libruntime')
libruntime_dep = libruntime_sp.get_variable('libruntime_dep')
patcher_prog = libruntime_sp.get_variable('patcher_prog')
# Build the unpatched executable
foo_raw = executable(
'foo_raw', ['foo.c'],
dependencies: [libruntime_dep],
)
# Patch the executable
custom_target(
'patch_runtime',
input: [foo_raw],
output: ['foo'],
install: true,
install_dir: get_option('bindir'),
command: [
patcher_prog,
'-i', '@INPUT@',
'-o', '@OUTPUT@',
'-p', '@PRIVATE_DIR@',
'--dd', dd_prog,
'--objcopy', objcopy_prog,
],
)
# more code ...See the default runtime code for how to use libRuntime.
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