Now with do_patch fixed it fails a bit later in do_compile with:

| make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
| make[1]: Entering directory '/OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source'
| make[2]: Entering directory '/OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-build-artifacts'
|   CC [M]  /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.o
| /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c: In function 'uxen_hypercall_init':
| /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c:127:24: error: too many arguments to function '__vmalloc'
|   127 |         uxen_hcbase =  __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC);
|       |                        ^~~~~~~~~
| In file included from /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c:9:
| /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/vmalloc.h:131:14: note: declared here
|   131 | extern void *__vmalloc(unsigned long size, gfp_t gfp_mask);
|       |              ^~~~~~~~~
| In file included from /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/module.h:21,
|                  from /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c:3:
| /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c: At top level:
| /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/module.h:182:43: error: expected ',' or ';' before 'KBUILD_MODFILE'
|   182 | #define MODULE_FILE     MODULE_INFO(file, KBUILD_MODFILE);
|       |                                           ^~~~~~~~~~~~~~
| /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/moduleparam.h:26:61: note: in definition of macro '__MODULE_INFO'
|    26 |                 = __MODULE_INFO_PREFIX __stringify(tag) "=" info
|       |                                                             ^~~~
| /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/module.h:182:25: note: in expansion of macro 'MODULE_INFO'
|   182 | #define MODULE_FILE     MODULE_INFO(file, KBUILD_MODFILE);
|       |                         ^~~~~~~~~~~
| /OE/build/oe-core/tmp-glibc/work-shared/qemux86-64/kernel-source/include/linux/module.h:229:34: note: in expansion of macro 'MODULE_FILE'
|   229 | #define MODULE_LICENSE(_license) MODULE_FILE MODULE_INFO(license, _license)
|       |                                  ^~~~~~~~~~~
| /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/uxen-vmsupport-linux-4.1.7/uxenhc/hypercall.c:156:1: note: in expansion of macro 'MODULE_LICENSE'
|   156 | MODULE_LICENSE("GPL");
|       | ^~~~~~~~~~~~~~

at least with oe-core/master, will check with older kernel in dunfell next.

On Fri, Jul 23, 2021 at 2:46 PM Martin Jansa via lists.yoctoproject.org <Martin.Jansa=gmail.com@...> wrote:

* fixes:
  ERROR: uxen-guest-tools-4.1.7-r0 do_patch: Command Error: 'quilt --quiltrc /OE/build/oe-core/tmp-glibc/work/qemux86_64-oe-linux/uxen-guest-tools/4.1.7-r0/recipe-sysroot-native/etc/quiltrc push' exited with 0  Output:
  stdout: Applying patch fix-Makefile-for-OE-kernel-build.patch
  patching file Makefile
  Hunk #1 FAILED at 1 (different line endings).
  Hunk #2 FAILED at 19 (different line endings).
  2 out of 2 hunks FAILED -- rejects in file Makefile
  Patch fix-Makefile-for-OE-kernel-build.patch does not apply (enforce with -f)

Signed-off-by: Martin Jansa <Martin.Jansa@...>
---
 recipes-extended/uxen/uxen-guest-tools_4.1.7.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/recipes-extended/uxen/uxen-guest-tools_4.1.7.bb b/recipes-extended/uxen/uxen-guest-tools_4.1.7.bb
index 757f1e3..4dcfe51 100644
--- a/recipes-extended/uxen/uxen-guest-tools_4.1.7.bb
+++ b/recipes-extended/uxen/uxen-guest-tools_4.1.7.bb
@@ -19,4 +19,4 @@ LIC_FILES_CHKSUM = "file://../Bromium-4.1.8-Open-Source-Software.pdf;md5=cf120df

 S = "${WORKDIR}/uxen-vmsupport-linux-${PV}"

-inherit module
+inherit module dos2unix
--
2.30.2