diff options
Diffstat (limited to 'debian/patches/debian/makefile-make-compiler-version-comparison-optional.patch')
| -rw-r--r-- | debian/patches/debian/makefile-make-compiler-version-comparison-optional.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/debian/patches/debian/makefile-make-compiler-version-comparison-optional.patch b/debian/patches/debian/makefile-make-compiler-version-comparison-optional.patch new file mode 100644 index 000000000..f0d5c80d7 --- /dev/null +++ b/debian/patches/debian/makefile-make-compiler-version-comparison-optional.patch @@ -0,0 +1,31 @@ +From: Ben Hutchings <benh@debian.org> +Date: Thu, 15 Sep 2022 02:14:03 +0200 +Subject: Makefile: Make compiler version comparison optional +Forwarded: not-needed +Bug-Debian: https://bugs.debian.org/1019749 + +The top-level Makefile warns if the compiler version string changes at +all between the kernel build and an out-of-tree module build. + +We expect that major compiler version changes could introduce ABI +changes, and override the CC variable in out-of-tree module builds to +ensure that the same major compiler version is used. But minor +version changes should not make a difference, so this exact version +comparison produces false warnings. + +Since custom kernel packages don't have that, don't remove the version +comparison. Instead, skip it if $(DEBIAN_KERNEL_NO_CC_VERSION_CHECK) +is non-empty. + +--- +--- a/Makefile ++++ b/Makefile +@@ -1753,7 +1753,7 @@ PHONY += prepare + # now expand this into a simple variable to reduce the cost of shell evaluations + prepare: CC_VERSION_TEXT := $(CC_VERSION_TEXT) + prepare: +- @if [ "$(CC_VERSION_TEXT)" != "$(CONFIG_CC_VERSION_TEXT)" ]; then \ ++ @if [ -z "$(DEBIAN_KERNEL_NO_CC_VERSION_CHECK)" ] && [ "$(CC_VERSION_TEXT)" != "$(CONFIG_CC_VERSION_TEXT)" ]; then \ + echo >&2 "warning: the compiler differs from the one used to build the kernel"; \ + echo >&2 " The kernel was built by: $(CONFIG_CC_VERSION_TEXT)"; \ + echo >&2 " You are using: $(CC_VERSION_TEXT)"; \ |