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Add support for GCC compiler command-line options

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* lisp/emacs-lisp/comp.el ('native-comp-compiler-options): New option.
* lisp/emacs-lisp/bytecomp.el (byte-compile-from-buffer): Add support
for new 'native-comp-compiler-options'.
* src/comp.c (Fcomp_native_compiler_options_effective_p): New function.
(add_compiler_options): New function.
(Fcomp__compile_ctxt_to_file): Call 'add_compiler_options'.
This commit is contained in:
Arthur Miller 2021-09-10 20:57:19 +02:00 • committed by Andrea Corallo
parent 6eba633ead
commit dea67939b6
3 changed files with 79 additions and 0 deletions
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18
lisp/emacs-lisp/comp.el
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@ -166,6 +166,16 @@ if `confirm-kill-processes' is non-nil."
:type 'boolean
:version "28.1")
(defcustom native-comp-compiler-options nil
"Command line options passed verbatim to GCC compiler.
Note that not all options are meaningful and some options might even
break your Emacs. Use at own risk.
Passing these options is only available in libgccjit version 9
and above."
:type '(repeat string)
:version "28.1")
(defcustom native-comp-driver-options nil
"Options passed verbatim to the native compiler's back-end driver.
Note that not all options are meaningful; typically only the options
@ -755,6 +765,8 @@ Returns ELT."
:documentation "Default speed for this compilation unit.")
(debug native-comp-debug :type number
:documentation "Default debug level for this compilation unit.")
(compiler-options native-comp-compiler-options :type list
:documentation "Options for the GCC compiler.")
(driver-options native-comp-driver-options :type list
:documentation "Options for the GCC driver.")
(top-level-forms () :type list
@ -1347,6 +1359,8 @@ clashes."
byte-native-qualities)
(comp-ctxt-debug comp-ctxt) (alist-get 'native-comp-debug
byte-native-qualities)
(comp-ctxt-compiler-options comp-ctxt) (alist-get 'native-comp-compiler-options
byte-native-qualities)
(comp-ctxt-driver-options comp-ctxt) (alist-get 'native-comp-driver-options
byte-native-qualities)
(comp-ctxt-top-level-forms comp-ctxt)
@ -3663,6 +3677,8 @@ Prepare every function for final compilation and drive the C back-end."
comp-libgccjit-reproducer ,comp-libgccjit-reproducer
comp-ctxt ,comp-ctxt
native-comp-eln-load-path ',native-comp-eln-load-path
native-comp-compiler-options
',native-comp-compiler-options
native-comp-driver-options
',native-comp-driver-options
load-path ',load-path)
@ -3926,6 +3942,8 @@ display a message."
comp-libgccjit-reproducer ,comp-libgccjit-reproducer
comp-async-compilation t
native-comp-eln-load-path ',native-comp-eln-load-path
native-comp-compiler-options
',native-comp-compiler-options
native-comp-driver-options
',native-comp-driver-options
load-path ',load-path