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Build Defines and Environment Variables
=======================================
Build #defines
--------------
DEFAULT_CPU
The default target CPU architecture when not explicitly specified.
If this #define is absent, an attempt is made to auto-detect it
at compile time.
NO_HOST_TARGET
If defined, a target CPU architecture must always be specified when
running the compiler (instead of using DEFAULT_CPU or the auto-detected
host CPU). This is useful to support running the compiler on platforms
that it cannot target.
NO_GETTEXT
Don't use gettext. I.e. don't support translation of messages.
NO_GETPWUID
Don't try to use getpwuid as a fallback when neither $XDG_DATA_HOME or
$HOME is set.
NO_DEFAULT_IFACEDIRS
Only search the main slul-interfaces directory from the makefile
variable "slulinterfacesdir".
ARENA_SIZE
Allocation chunk size for the arena allocator. Default: 4096 bytes
PARSEBUFFER
Parse chunk size. Default: 4096 bytes (increase to 64kB?)
Debugging #defines
------------------
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
Enables fuzzing mode (for running the compiler in a fuzzer). Currently,
it disables filesystem modification, and adds a call to abort() on
internal compiler errors.
CSLUL_NO_STDIO_MOCKS
Allow filesystem modification even in fuzzing mode
(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
SLUL_DEBUG
Enables bug-finding code. Currently, it enables to features:
1. Tree nodes get initialized with non-zero data, to detect
uninitialized pointers.
2. Type-confusion of structs is enabled by tracking the type
in a "trailer" field as well as in a separate array, and
comparing them at de-allocation.
CSBE_TRAP_ON_ERROR
Causes the backend (CSBE) to immediately trap when an error occurs.
When this is NOT set, the backend will return an error to the frontend,
which will show a rather useless "Internal compiler error" message.
Makefile options
----------------
srcdir
Path to the root of the source tree, if building in a separate
directory. Please run "make outdirs", in this case, before running
any other commands.
DESTDIR
Used for creating packages. Specifies a path that everything is
installed to, instead of the root file system.
prefix
Overrides the installation prefix. The default value is /usr/local
exec_prefix, bindir, datarootdir, datadir,
docdir, htmldir, libdir, includedir, slulinterfacesdir, localedir,
mandir, man1dir, man1ext
Overrides specific installation directories and file extensions.
multiarch
Uses a multiarch subdirectory when installing library files.
For example: aarch64-linux-gnu. Used on Debian based systems.
multilib_suffix
Adds a numeric suffix to libdir, e.g. 32 or 64.
INSTALL, INSTALL_DIR, INSTALL_PROGRAM, INSTALL_DATA, MKDIR_P, RM, RM_F
Overrides system commands used by the makefiles.
CFLAGS
Compiler flags.
CSLUL_LIBS
Additional flags, for libraries for example, to pass to the final
compilation step. For example, to use libintl on BSD, specify:
CSLUL_LIBS=-lintl
Makefile options for development
--------------------------------
UNITTEST_OPTS
Build options to pass to the unittest. Can be -v for verbose,
or -q for quiet.
CPPCHECK_OPTS
Options to pass to cppcheck. For example --check-config
GCC_FANALYZER_OPTS
Options to pass to `gcc -fanalyzer` when running `make gcc-analyze`
VALGRIND_OPTS
Options to pass to Valgrind. For example, --vgdb-error=1 to stop
when there's an error and wait for a debugger to connect.
FUZZ_INPUT_DIR
Overrides the directory with input test cases when fuzzing with afl++
FUZZ_FLAGS_AFL
Additional flags to afl++. For example, "-p fast" to use the power
schedule "fast", and "-d" to use the fast non-deterministic mode.
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