diff options
| author | Manoj Srivastava <srivasta@debian.org> | 2016-02-15 09:52:19 -0800 |
|---|---|---|
| committer | Manoj Srivastava <srivasta@debian.org> | 2016-02-15 09:52:19 -0800 |
| commit | a977dd53aa268d153e7a1dfa452bc5dbf0c8d395 (patch) | |
| tree | fba1bd8d754fedba41b68930faa238d906371838 | |
| parent | a004e5ab27e660dbae1243a2e42d3db4f1b08780 (diff) | |
document passing CFLAGS to kernel
Bug fix: "please document passing CFLAGS (actually KCFLAGS) to kernel
makefile", thanks to Arthur Marsh (Closes: #777105).
Signed-off-by: Manoj Srivastava <srivasta@debian.org>
| -rw-r--r-- | debian/changelog | 4 | ||||
| -rw-r--r-- | make-kpkg.8 | 14 |
2 files changed, 11 insertions, 7 deletions
diff --git a/debian/changelog b/debian/changelog index 14770be..6b669e1 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,8 +4,10 @@ kernel-package (13.017) unstable; urgency=low Elliott Mitchell (Closes: #774601). * Bug fix: "Installed vmlinuz file has insufficient read permissions", thanks to Toby Speight (Closes: #775834). + * Bug fix: "please document passing CFLAGS (actually KCFLAGS) to kernel + makefile", thanks to Arthur Marsh (Closes: #777105). - -- Manoj Srivastava <srivasta@debian.org> Mon, 15 Feb 2016 09:37:36 -0800 + -- Manoj Srivastava <srivasta@debian.org> Mon, 15 Feb 2016 09:51:51 -0800 kernel-package (13.016) unstable; urgency=high diff --git a/make-kpkg.8 b/make-kpkg.8 index 5e6983a..c01f836 100644 --- a/make-kpkg.8 +++ b/make-kpkg.8 @@ -73,12 +73,7 @@ The Debian package file is created in the parent directory of the kernel source directory where this command is run. .PP Also, please note that some versions of gcc do not interact well with -the kernel sources (gcc 2.95 has problems compiling the kernel without -the flag -.IR '\-fno\-strict\-aliasing' . -This issue has been taken care of for -recent kernels (2.2 and 2.4 series are fine) (I think you may have to -edit the makefile for older kernels, or something). You may control +the kernel source. You may control which version of gcc used in kernel compilation by setting the Makefile variables CC and HOSTCC in the top level kernel Makefile. You can do this simply by setting the environment variable @@ -87,6 +82,13 @@ To observe, try: .PP % KBUILD_VERBOSE=1 MAKEFLAGS="CC=gcc\-4.4" make\-kpkg configure .PP +Please note that the kernel Makefile might pay attention to other +variables (for instance +.BR KCFLAGS +). This can be addressed like so: +.PP + % KBUILD_VERBOSE=1 MAKEFLAGS='CC=gcc\-4.4 KCFLAGS="-march=athlon64"' make\-kpkg configure +.PP The .B KBUILD_VERBOSE shows the details of the commands being run. |