From a2ef08027fbc268cde2d6985ab724e38af450cae Mon Sep 17 00:00:00 2001
From: Chris Packham <judge.packham@gmail.com>
Date: Fri, 6 Jun 2025 10:07:22 +1200
Subject: gcc: Add GCC 13.4.0

https://gcc.gnu.org/pipermail/gcc-announce/2025/000187.html

Signed-off-by: Chris Packham <judge.packham@gmail.com>
---
 .../gcc/13.4.0/0008-Support-picolibc-targets.patch | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 packages/gcc/13.4.0/0008-Support-picolibc-targets.patch

(limited to 'packages/gcc/13.4.0/0008-Support-picolibc-targets.patch')

diff --git a/packages/gcc/13.4.0/0008-Support-picolibc-targets.patch b/packages/gcc/13.4.0/0008-Support-picolibc-targets.patch
new file mode 100644
index 00000000..754bd576
--- /dev/null
+++ b/packages/gcc/13.4.0/0008-Support-picolibc-targets.patch
@@ -0,0 +1,35 @@
+From 1d1d77a6b0272cc3ee0ec18f0e7adc909d4572db Mon Sep 17 00:00:00 2001
+From: Keith Packard <keithp@keithp.com>
+Date: Sun, 12 Feb 2023 14:23:32 -0800
+Subject: [PATCH] Support picolibc targets
+
+Match *-picolibc-* and select picolibc as the default C library, plus continuing to use
+the newlib-based logic for other configuration items.
+
+Signed-off-by: Keith Packard <keithp@keithp.com>
+---
+ gcc/config.gcc | 11 +++++++++++
+ 1 file changed, 11 insertions(+)
+
+diff --git a/gcc/config.gcc b/gcc/config.gcc
+index b02bd46c231e..4f3bcd24edfa 100644
+--- a/gcc/config.gcc
++++ b/gcc/config.gcc
+@@ -1116,6 +1116,17 @@ case ${target} in
+       ;;
+   esac
+   ;;
++*-picolibc-*)
++  # __cxa_atexit is provided.
++  default_use_cxa_atexit=yes
++  use_gcc_stdint=wrap
++  default_libc=LIBC_PICOLIBC
++  case "${with_newlib}-${with_headers}" in
++  no-no) use_gcc_stdint=provide ;;
++  *) ;;
++  esac
++  ;;
++
+ *-*-elf|arc*-*-elf*)
+   # Assume that newlib is being used and so __cxa_atexit is provided.
+   default_use_cxa_atexit=yes
-- 
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