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From abbd605ce30a1ff8bea37ee955340b2247b8966b Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 23 Aug 2022 22:12:06 -0700
Subject: [PATCH] Add newlib and picolibc as default C library choices
Signed-off-by: Keith Packard <keithp@keithp.com>
---
gcc/config.gcc | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -650,7 +650,7 @@
esac
# Common C libraries.
-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4 LIBC_NEWLIB=5 LIBC_PICOLIBC=6"
default_libc=""
@@ -5942,6 +5942,15 @@
musl)
default_libc=LIBC_MUSL
;;
+newlib)
+ # Newlib configurations don't set the DEFAULT_LIBC variable, so
+ # avoid changing those by allowing --with-default-libc=newlib but
+ # not actually setting the DEFAULT_LIBC variable.
+ default_libc=
+ ;;
+picolibc)
+ default_libc=LIBC_PICOLIBC
+ ;;
"")
;;
*)
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