Add gcc-15.patch from bufferunderrun

.SRCINFO

@@ -1,6 +1,6 @@
 pkgbase = nvidia-390xx-utils
 	pkgver = 390.157
-	pkgrel = 15
+	pkgrel = 16
 	url = https://www.nvidia.com/
 	arch = x86_64
 	license = custom
@@ -22,6 +22,7 @@ pkgbase = nvidia-390xx-utils
 	source = kernel-6.12.patch
 	source = kernel-6.13.patch
 	source = kernel-6.14.patch
+	source = gcc-15.patch
 	source = kernel-4.16+-memory-encryption.patch
 	b2sums = 8e24aea70b139185bd682b080d32aeda673e6e92b45a90e6f6e0d736674180400bc8bd1aa5c66b8d033fc9d5e0cfffed456a87298bd93a3afbbc30b8dc48c4e9
 	b2sums = c1da4ce5784e43385465913a95053a3e54f800aac6f1b49f33e2a77504d76da5e6db6ec7074fbe7ba5f52dcef9e1ebaa620942c33ff825a56caba5c9c8b0d1be
@@ -40,6 +41,7 @@ pkgbase = nvidia-390xx-utils
 	b2sums = aaa0597ab9d33be3c6e020fab0d54890d32f32c5ce70571e2bc989a788dbe2317e826475966bc1026bf7f7ff6672bd9a2f7f8e48dcebd2f91d33d9181eee1208
 	b2sums = 8e5502a6668bf3981d1e9cc6cdad428fcfdd221b51850b0fde74d631faa379d965b97a87e845eda2bc0e99a0aa9bf58642444bdea9f976cafcd12edf0e20f5db
 	b2sums = 21b87918e9b9b0475ab4fb548be6daadd6921566fb03a3f96cffff5296f9fa1bccdabe7c4671aba2a1dc455248b7a96e5a088c48ab922305213bc714e4a39d6c
+	b2sums = a957b5d3afb60d4879c5e25bf4b947a670048e23559864f5bced6b9ab4f79e3f9c62ad7fad52def372fa2dbe4df70410d205aa4386021e1f4db476b02836fcc5
 	b2sums = a8234f542c2324ad698443e3decf7b6eacf3cb420b7aded787f102a8d32b64c2a8d45ea58e37a5e3b6f2f060f0cccd63d3a182065f57c606006d0ff8c7f6bb05
 
 pkgname = nvidia-390xx-utils

PKGBUILD

@@ -8,7 +8,7 @@
 pkgbase=nvidia-390xx-utils
 pkgname=('nvidia-390xx-utils' 'opencl-nvidia-390xx' 'nvidia-390xx-dkms')
 pkgver=390.157
-pkgrel=15
+pkgrel=16
 arch=('x86_64')
 url="https://www.nvidia.com/"
 license=('custom')
@@ -31,6 +31,7 @@ source=('nvidia-drm-outputclass.conf'
         kernel-6.12.patch
         kernel-6.13.patch
         kernel-6.14.patch
+        gcc-15.patch
         kernel-4.16+-memory-encryption.patch)
 b2sums=('8e24aea70b139185bd682b080d32aeda673e6e92b45a90e6f6e0d736674180400bc8bd1aa5c66b8d033fc9d5e0cfffed456a87298bd93a3afbbc30b8dc48c4e9'
         'c1da4ce5784e43385465913a95053a3e54f800aac6f1b49f33e2a77504d76da5e6db6ec7074fbe7ba5f52dcef9e1ebaa620942c33ff825a56caba5c9c8b0d1be'
@@ -49,6 +50,7 @@ b2sums=('8e24aea70b139185bd682b080d32aeda673e6e92b45a90e6f6e0d736674180400bc8bd1
         'aaa0597ab9d33be3c6e020fab0d54890d32f32c5ce70571e2bc989a788dbe2317e826475966bc1026bf7f7ff6672bd9a2f7f8e48dcebd2f91d33d9181eee1208'
         '8e5502a6668bf3981d1e9cc6cdad428fcfdd221b51850b0fde74d631faa379d965b97a87e845eda2bc0e99a0aa9bf58642444bdea9f976cafcd12edf0e20f5db'
         '21b87918e9b9b0475ab4fb548be6daadd6921566fb03a3f96cffff5296f9fa1bccdabe7c4671aba2a1dc455248b7a96e5a088c48ab922305213bc714e4a39d6c'
+        'a957b5d3afb60d4879c5e25bf4b947a670048e23559864f5bced6b9ab4f79e3f9c62ad7fad52def372fa2dbe4df70410d205aa4386021e1f4db476b02836fcc5'
         'a8234f542c2324ad698443e3decf7b6eacf3cb420b7aded787f102a8d32b64c2a8d45ea58e37a5e3b6f2f060f0cccd63d3a182065f57c606006d0ff8c7f6bb05')
 
 create_links() {
@@ -105,6 +107,9 @@ prepare() {
     # From Joan Bruguera (https://gist.github.com/joanbm/d0cb8790ca610fbd2c2e43f30707ce18)
     patch -Np1 -i ../kernel-6.14.patch
 
+    # From bufferunderrun
+    patch -Np1 -i ../gcc-15.patch
+
     cd kernel
 
     sed -i "s/__VERSION_STRING/${pkgver}/" dkms.conf

gcc-15.patch

@@ -0,0 +1,25 @@
+diff --git a/kernel/Kbuild b/kernel/Kbuild
+index 85aa267..baa6986 100644
+--- a/kernel/Kbuild
++++ b/kernel/Kbuild
+@@ -61,6 +61,7 @@ $(foreach _module, $(NV_KERNEL_MODULES), \
+ # $(EXTRA_CFLAGS) to ccflags-y for compatibility.
+ #
+ 
++EXTRA_CFLAGS += -std=gnu17
+ EXTRA_CFLAGS += -I$(src)/common/inc
+ EXTRA_CFLAGS += -I$(src)
+ EXTRA_CFLAGS += -Wall -MD $(DEFINES) $(INCLUDES) -Wsign-compare -Wno-cast-qual -Wno-error
+diff --git a/kernel/conftest.sh b/kernel/conftest.sh
+index 4da7588..1106ea5 100755
+--- a/kernel/conftest.sh
++++ b/kernel/conftest.sh
+@@ -151,7 +151,7 @@ test_headers() {
+ }
+ 
+ build_cflags() {
+-    BASE_CFLAGS="-O2 -D__KERNEL__ \
++    BASE_CFLAGS="-std=gnu17 -O2 -D__KERNEL__ \
+ -DKBUILD_BASENAME=\"#conftest$$\" -DKBUILD_MODNAME=\"#conftest$$\" \
+ -nostdinc -isystem $ISYSTEM \
+ -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-incompatible-pointer-types"