[Buildroot] [git commit] core/pkg-kernel-module: ensure linux supports modules
Peter Korsgaard
peter at korsgaard.com
Fri Sep 4 11:13:52 UTC 2015
commit: http://git.buildroot.net/buildroot/commit/?id=b7c32c98bc810b88e0391117f225658f82b44995
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
When a package wants to build a kernel module, we should ensure that the
kernel does support modules.
This patch does it automatically for packages using the kernel-module
infrastructure.
Packages that do not use it will have to set it manually (to be done in
a followup patch).
Suggested-by: Peter Korsgaard <jacmet at uclibc.org>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Peter Korsgaard <jacmet at uclibc.org>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Cc: Noé Rubinstein <noe.rubinstein at gmail.com>
Cc: Jan Viktorin <viktorin at rehivetech.com>
Cc: Gustavo Zacarias <gustavo at zacarias.com.ar>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
linux/linux.mk | 2 ++
package/pkg-kernel-module.mk | 5 +++++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/linux/linux.mk b/linux/linux.mk
index 48f9c74..bbcc54b 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -175,6 +175,8 @@ LINUX_KCONFIG_EDITORS = menuconfig xconfig gconfig nconfig
LINUX_KCONFIG_OPTS = $(LINUX_MAKE_FLAGS)
define LINUX_KCONFIG_FIXUP_CMDS
+ $(if $(LINUX_NEEDS_MODULES),
+ $(call KCONFIG_ENABLE_OPT,CONFIG_MODULES,$(@D)/.config))
$(if $(BR2_arm)$(BR2_armeb),
$(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config))
$(if $(BR2_TARGET_ROOTFS_CPIO),
diff --git a/package/pkg-kernel-module.mk b/package/pkg-kernel-module.mk
index 6fb7704..f6730b8 100644
--- a/package/pkg-kernel-module.mk
+++ b/package/pkg-kernel-module.mk
@@ -44,6 +44,11 @@
define inner-kernel-module
+# If the package is enabled, ensure the kernel will support modules
+ifeq ($$(BR2_PACKAGE_$(2)),y)
+LINUX_NEEDS_MODULES = y
+endif
+
# The kernel must be built first.
$(2)_DEPENDENCIES += linux
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