[Buildroot] [PATCH] package/uclibc: automatically enable uchar when wchar is enabled

[Buildroot] [PATCH] package/uclibc: automatically enable uchar when wchar is enabled

[Waldemar Brodkorb]

When wchar in uClibc is enabled, just enable uchar support, too.
Adds 5kb to the C library on aarch64. Makes the default uClibc
config more compatible to musl and glibc.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
 package/uclibc/uclibc.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk
index c19328e87a..beaa32e67f 100644
--- a/package/uclibc/uclibc.mk
+++ b/package/uclibc/uclibc.mk
@@ -365,6 +365,7 @@ endif
 
 ifeq ($(BR2_TOOLCHAIN_BUILDROOT_WCHAR),y)
 UCLIBC_WCHAR_CONFIG = $(call KCONFIG_ENABLE_OPT,UCLIBC_HAS_WCHAR)
+UCLIBC_UCHAR_CONFIG = $(call KCONFIG_ENABLE_OPT,UCLIBC_HAS_UCHAR)
 else
 UCLIBC_WCHAR_CONFIG = $(call KCONFIG_DISABLE_OPT,UCLIBC_HAS_WCHAR)
 endif
@@ -431,6 +432,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS
 	$(UCLIBC_THREAD_DEBUG_CONFIG)
 	$(UCLIBC_LOCALE_CONFIG)
 	$(UCLIBC_WCHAR_CONFIG)
+	$(UCLIBC_UCHAR_CONFIG)
 	$(UCLIBC_SHARED_LIBS_CONFIG)
 endef
 
-- 
2.47.3

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Re: [Buildroot] [PATCH] package/uclibc: automatically enable uchar when wchar is enabled

[Julien Olivain via buildroot]

On 16/08/2026 11:26, Waldemar Brodkorb wrote:
> When wchar in uClibc is enabled, just enable uchar support, too.
> Adds 5kb to the C library on aarch64. Makes the default uClibc
> config more compatible to musl and glibc.
> 
> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>

Applied to master, thanks.
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