[Bug 294096] graphics/nvidia-drm-66-kmod unbuildable ISO C99 and later do not support implicit function declarations
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Date: Sat, 28 Mar 2026 16:21:12 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294096
Bug ID: 294096
Summary: graphics/nvidia-drm-66-kmod unbuildable ISO C99 and
later do not support implicit function declarations
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: x11@FreeBSD.org
Reporter: alt2600@icloud.com
Assignee: x11@FreeBSD.org
Flags: maintainer-feedback?(x11@FreeBSD.org)
nvidia-drm-drv.c:2086:9: error: call to undeclared function
'pm_vt_switch_required'; ISO C99 and later do not support implicit function
declarations [-Werror,-Wimplicit-function-declaration]
2086 | pm_vt_switch_required(dev->dev, true);
build just dies here, so stuck unable to reboot without loosing X11. thought it
was issue I was still using C7 for 32 bit support, but swtiched to rl9 and
error persists
cc -O2 -pipe -march=native -fno-strict-aliasing -g -Wno-visibility
-Wno-error=unused-but-set-variable -Wno-error=missing-prototypes
-Wno-error=pointer-arith -DNVTYPES_USE_STDINT=1
-DNV_VERSION_STRING=\"595.58.03\" -Werror=undef -D_KERNEL -DKLD_MODULE
-DKBUILD_MODNAME='"nvidia-drm"' -DLINUXKPI_PARAM_PREFIX=nvidia_drm_
-Wno-error=redundant-decls -Werror=incompatible-pointer-types
-DLINUXKPI_VERSION=60600 -DCONFIG_DRM_AMDGPU_CIK -DCONFIG_DRM_AMDGPU_SI
-DCONFIG_DRM_AMD_DC -DCONFIG_DRM_AMD_DC_SI -DCONFIG_AMD_PMC -DCONFIG_DRM_EXEC
-DCONFIG_DRM_I915_FORCE_PROBE='"*"' -DCONFIG_DRM_I915_REQUEST_TIMEOUT=20000
-DCONFIG_DRM_I915_CAPTURE_ERROR -DCONFIG_DRM_I915_USERFAULT_AUTOSUSPEND=250
-DCONFIG_DRM_I915_STOP_TIMEOUT=100 -DCONFIG_DRM_I915_PREEMPT_TIMEOUT=640
-DCONFIG_DRM_I915_PREEMPT_TIMEOUT_COMPUTE=7500
-DCONFIG_DRM_I915_HEARTBEAT_INTERVAL=2500
-DCONFIG_DRM_I915_TIMESLICE_DURATION=1
-DCONFIG_DRM_I915_MAX_REQUEST_BUSYWAIT=8000
-DCONFIG_DRM_I915_FENCE_TIMEOUT=10000 -DCONFIG_DRM_MIPI_DSI
-DCONFIG_DRM_PANEL_ORIENTATION_QUIRKS -DCONFIG_APERTURE_HELPERS
-DCONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG -DCONFIG_BACKLIGHT_CLASS_DEVICE
-DCONFIG_DEBUG_FS -DCONFIG_DMI -DCONFIG_FB -DCONFIG_MTRR -DCONFIG_PCI
-DCONFIG_PM -DCONFIG_PM_SLEEP -DCONFIG_SMP -DCONFIG_SUSPEND
-DCONFIG_VIDEO_CMDLINE -DCONFIG_ACPI -DCONFIG_ACPI_SLEEP -DCONFIG_X86
-DCONFIG_X86_PAT -DCONFIG_64BIT -DCONFIG_AS_MOVNTDQA -DCONFIG_COMPAT
-DCONFIG_X86_64 -DCONFIG_DRM_AMD_DC_FP -Wno-cast-qual
-Wno-incompatible-pointer-types-discards-qualifiers -DLINUXKPI_VERSION=60600
-Werror -D_KERNEL -DKLD_MODULE -nostdinc -Imachine -I/usr/src/sys/sys
-I../common/inc
-I/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/bsd/include
-I/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/gplv2/include/
-I/usr/src/sys/compat/linuxkpi/common/include/
-I/usr/src/sys/compat/linuxkpi/dummy/include/
-I/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//include/
-I/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//include/uapi/
-I/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//drivers/gpu/
-I/usr/src/sys/contrib/ck/include -I. -I/usr/src/sys -I/usr/src/include
-I/usr/src/sys/contrib/ck/include -I../nvidia/ -include
/usr/ports/graphics/nvidia-drm-66-kmod/work/NVIDIA-FreeBSD-x86_64-595.58.03/src/nvidia-drm/opt_global.h
-I. -I/usr/src/sys -I/usr/src/sys/contrib/ck/include -fno-common
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
-ffile-prefix-map=/usr/src/sys=/usr/src/sys
-ffile-prefix-map=/usr/ports/graphics/nvidia-drm-66-kmod/work/NVIDIA-FreeBSD-x86_64-595.58.03/src/nvidia-drm=/usr/obj/usr/src/amd64.amd64/sys/modules/nvidia-drm
-fdebug-prefix-map=./machine=/usr/src/sys/amd64/include
-fdebug-prefix-map=./x86=/usr/src/sys/x86/include
-fdebug-prefix-map=./i386=/usr/src/sys/i386/include -MD
-MF.depend.nvidia-drm-drv.o -MTnvidia-drm-drv.o -mcmodel=kernel -mno-red-zone
-mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding
-fwrapv -fstack-protector -gdwarf-4 -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign
-D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs
-fdiagnostics-show-option -Wno-unknown-pragmas -Wswitch
-Wno-error=tautological-compare -Wno-error=empty-body
-Wno-error=parentheses-equality -Wno-error=unused-function
-Wno-error=pointer-sign -Wno-error=shift-negative-value
-Wno-address-of-packed-member -Wno-format-zero-length -mno-aes -mno-avx
-std=gnu17 -c nvidia-drm-drv.c -o nvidia-drm-drv.o
In file included from nvidia-drm-drv.c:31:
In file included from ./nvidia-drm-gem.h:43:
In file included from
/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/gplv2/include/linux/dma-buf.h:28:
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:31:20: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
31 | ism->vaddr_iomem += n;
| ~~~~~~~~~~~~~~~~ ^
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:33:14: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
33 | ism->vaddr += n;
| ~~~~~~~~~~ ^
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:41:32: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
41 | memcpy_toio(ism->vaddr_iomem + off, src, len);
| ~~~~~~~~~~~~~~~~ ^
/usr/src/sys/compat/linuxkpi/common/include/linux/io.h:446:38: note: expanded
from macro 'memcpy_toio'
446 | #define memcpy_toio(a, b, c) memcpy((a), (b), (c))
| ^
/usr/src/sys/sys/systm.h:283:49: note: expanded from macro 'memcpy'
283 | #define memcpy(to, from, len) __builtin_memcpy((to), (from), (len))
| ^~
In file included from nvidia-drm-drv.c:31:
In file included from ./nvidia-drm-gem.h:43:
In file included from
/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/gplv2/include/linux/dma-buf.h:28:
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:43:21: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
43 | memcpy(ism->vaddr + off, src, len);
| ~~~~~~~~~~ ^
/usr/src/sys/sys/systm.h:283:49: note: expanded from macro 'memcpy'
283 | #define memcpy(to, from, len) __builtin_memcpy((to), (from), (len))
| ^~
In file included from nvidia-drm-drv.c:31:
In file included from ./nvidia-drm-gem.h:43:
In file included from
/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/gplv2/include/linux/dma-buf.h:28:
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:106:30: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
106 | memset_io(ism->vaddr_iomem + off, value, len);
| ~~~~~~~~~~~~~~~~ ^
/usr/src/sys/compat/linuxkpi/common/include/linux/io.h:444:36: note: expanded
from macro 'memset_io'
444 | #define memset_io(a, b, c) memset((a), (b), (c))
| ^
/usr/src/sys/sys/systm.h:282:47: note: expanded from macro 'memset'
282 | #define memset(buf, c, len) __builtin_memset((buf), (c), (len))
| ^~~
In file included from nvidia-drm-drv.c:31:
In file included from ./nvidia-drm-gem.h:43:
In file included from
/usr/ports/graphics/nvidia-drm-66-kmod/work/drm-kmod-drm_v6.6.25_9//linuxkpi/gplv2/include/linux/dma-buf.h:28:
/usr/src/sys/compat/linuxkpi/common/include/linux/iosys-map.h:108:21: warning:
arithmetic on a pointer to void is a GNU extension [-Wgnu-pointer-arith]
108 | memset(ism->vaddr + off, value, len);
| ~~~~~~~~~~ ^
/usr/src/sys/sys/systm.h:282:47: note: expanded from macro 'memset'
282 | #define memset(buf, c, len) __builtin_memset((buf), (c), (len))
| ^~~
nvidia-drm-drv.c:2086:9: error: call to undeclared function
'pm_vt_switch_required'; ISO C99 and later do not support implicit function
declarations [-Werror,-Wimplicit-function-declaration]
2086 | pm_vt_switch_required(dev->dev, true);
| ^
6 warnings and 1 error generated.
*** Error code 1
Stop.
make: stopped making "all" in
/usr/ports/graphics/nvidia-drm-66-kmod/work/NVIDIA-FreeBSD-x86_64-595.58.03/src/nvidia-drm
*** Error code 1
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