package/diffutils: bump version to 3.12

Release notes:
Version 3.12 - https://lists.gnu.org/archive/html/info-gnu/2025-04/msg00005.html
Version 3.11 - https://lists.gnu.org/archive/html/info-gnu/2025-02/msg00003.html

Fix the following error seen during cross-compilation error by assuming that
strcasecmp function is always available.
- "configure: error: cannot run test program while cross compiling"

Signed-off-by: Kadambini Nema <kadambini.nema@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/diffutils/diffutils.hash

@@ -1,6 +1,6 @@
-# From https://lists.gnu.org/archive/html/info-gnu/2023-05/msg00009.html
-sha1  c16a9cf107ad1f0f791b6d00852dc5e961c1c451  diffutils-3.10.tar.xz
+# From https://lists.gnu.org/archive/html/info-gnu/2025-04/msg00005.html
+sha1  c2f302726d2709c6881c4657430a671abe5eedfa  diffutils-3.12.tar.xz
 # Locally calculated after checking pgp signature
-sha256  90e5e93cc724e4ebe12ede80df1634063c7a855692685919bfe60b556c9bd09e  diffutils-3.10.tar.xz
+sha256  7c8b7f9fc8609141fdea9cece85249d308624391ff61dedaf528fcb337727dfd  diffutils-3.12.tar.xz
 # Locally calculated
 sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903  COPYING

package/diffutils/diffutils.mk

@@ -4,13 +4,14 @@
 #
 ################################################################################
 
-DIFFUTILS_VERSION = 3.10
+DIFFUTILS_VERSION = 3.12
 DIFFUTILS_SOURCE = diffutils-$(DIFFUTILS_VERSION).tar.xz
 DIFFUTILS_SITE = $(BR2_GNU_MIRROR)/diffutils
 DIFFUTILS_DEPENDENCIES = $(TARGET_NLS_DEPENDENCIES)
 DIFFUTILS_LICENSE = GPL-3.0+
 DIFFUTILS_LICENSE_FILES = COPYING
 DIFFUTILS_CPE_ID_VENDOR = gnu
+DIFFUTILS_CONF_ENV += gl_cv_func_strcasecmp_works=yes
 
 # Since glibc >= 2.26, don't try to use getopt_long replacement bundled
 # with diffutils. It will conflict with the one from glibc.