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racehound: fix kernel module compile

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- check for linux kernel >= 3.14
- add cross compile enviornment for linux kernel compile
- add additional kernel config hint (CONFIG_KALLSYMS_ALL)
- fix kernel module install path

[Thomas:
 - fix Config.in dependency logic for the comment on the kernel
   version, as noticed by Baruch.
 - minor improvements in the .mk file.]

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Peter Seiderer 2015-07-16 23:24:12 +02:00 committed by Thomas Petazzoni
parent 2bb611a046
commit 0ad6ee7f36
3 changed files with 37 additions and 3 deletions
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26
package/racehound/0001-Fix-module-install-path-lib-instead-of-usr-lib-prefi.patch Normal file
View File

@ -0,0 +1,26 @@
From 4f8ed39ddaf17c7dd4ddbdb88e67097f00c98173 Mon Sep 17 00:00:00 2001
From: Peter Seiderer <ps.report@gmx.net>
Date: Thu, 16 Jul 2015 23:11:25 +0200
Subject: [PATCH] Fix module install path (/lib instead of /usr/lib prefix)
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
---
cmake/modules/path_prefixes.cmake | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cmake/modules/path_prefixes.cmake b/cmake/modules/path_prefixes.cmake
index 3cb1fe2..9dc50a4 100644
--- a/cmake/modules/path_prefixes.cmake
+++ b/cmake/modules/path_prefixes.cmake
@@ -113,7 +113,7 @@ set(RH_INSTALL_PREFIX_DOC
# Set derivative prefixes
# additional, 1
-set(RH_INSTALL_PREFIX_KMODULE "${RH_INSTALL_PREFIX_LIB}/modules/${KBUILD_VERSION_STRING}/misc")
+set(RH_INSTALL_PREFIX_KMODULE "/lib/modules/${KBUILD_VERSION_STRING}/misc")
# Another variant
#"${RH_INSTALL_PREFIX_LIB}/modules/${KBUILD_VERSION_STRING}/extra")
# additional, 2
--
2.1.4

6
package/racehound/Config.in
View File

@ -2,6 +2,7 @@ config BR2_PACKAGE_RACEHOUND
bool "racehound"
select BR2_PACKAGE_ELFUTILS
depends on BR2_LINUX_KERNEL
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_USE_WCHAR # elfutils
depends on !BR2_STATIC_LIBS # elfutils
@ -18,12 +19,13 @@ config BR2_PACKAGE_RACEHOUND
- CONFIG_SYSFS
- CONFIG_DEBUG_FS
- CONFIG_KALLSYMS
- CONFIG_KALLSYMS_ALL
- CONFIG_KPROBES
https://github.com/winnukem/racehound
comment "racehound needs an Linux kernel to be built"
depends on !BR2_LINUX_KERNEL
comment "racehound needs an Linux kernel >= 3.14 to be built"
depends on !BR2_LINUX_KERNEL || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
depends on BR2_i386 || BR2_x86_64
comment "racehound needs a toolchain w/ C++, wchar, dynamic library"

8
package/racehound/racehound.mk
View File

@ -12,10 +12,16 @@ RACEHOUND_SUPPORTS_IN_SOURCE_BUILD = NO
RACEHOUND_DEPENDENCIES = elfutils linux
# override auto detection (uses host parameters, not cross compile
# ready)
RACEHOUND_CONF_OPTS += \
-DKERNEL_VERSION_OK=YES \
-DMODULE_BUILD_SUPPORTED=YES \
-DKERNEL_CONFIG_OK=YES \
-DKBUILD_BUILD_DIR=$(LINUX_DIR)
-DKBUILD_BUILD_DIR=$(LINUX_DIR) \
-DKBUILD_VERSION_STRING=$(LINUX_VERSION_PROBED)
# cross compile environment for linux kernel module
RACEHOUND_MAKE_ENV = $(LINUX_MAKE_FLAGS)
$(eval $(cmake-package))