ktap: add libelf PACKAGECONFIG also to ktap-module

* building ktap-module without elfutils fails with:
  ktap-module/0.4-r0/git/Makefile:107: No libelf found, disables symbol resolving, please install elfutils-libelf-devel/libelf-dev

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

3 files changed, 14 insertions, 13 deletions

diff --git a/meta-oe/recipes-kernel/ktap/ktap-module_git.bb b/meta-oe/recipes-kernel/ktap/ktap-module_git.bb
index e3c94e3dc..cb913271f 100644
--- a/meta-oe/recipes-kernel/ktap/ktap-module_git.bb
+++ b/meta-oe/recipes-kernel/ktap/ktap-module_git.bb
@@ -9,11 +9,8 @@ inherit module
 # See https://github.com/ktap/ktap/issues/80
 PNBLACKLIST[ktap-module] ?= "Not compatible with 3.19 kernel"
 
-# Available package configs: ffi (only supported on x86_64)
-PACKAGECONFIG ?= ""
-
 # Only build the module
-MAKE_TARGETS = "${@base_contains('PACKAGECONFIG', 'ffi', 'FFI=1', '', d)} mod"
+MAKE_TARGETS = "mod"
 
 # Kernel module packages MUST begin with 'kernel-module-', otherwise
 # multilib image generation can fail.
diff --git a/meta-oe/recipes-kernel/ktap/ktap.inc b/meta-oe/recipes-kernel/ktap/ktap.inc
index 2c94a08d6..e2e498f9f 100644
--- a/meta-oe/recipes-kernel/ktap/ktap.inc
+++ b/meta-oe/recipes-kernel/ktap/ktap.inc
@@ -11,4 +11,16 @@ SRC_URI = "git://github.com/ktap/ktap.git"
 S = "${WORKDIR}/git"
 
 # Package config is abused as a general compile time configuration tool.
+
+# Only supports x86_64 for now!. Needs to be enabled for ktap-module too.
 PACKAGECONFIG[ffi] = ""
+
+# Needed to resolve symbols in DSO and for sdt
+PACKAGECONFIG[libelf] = ",,elfutils"
+
+PACKAGECONFIG ?= "libelf"
+
+EXTRA_OEMAKE = " \
+    ${@base_contains('PACKAGECONFIG', 'libelf', '', 'NO_LIBELF=1', d)} \
+    ${@base_contains('PACKAGECONFIG', 'ffi', 'FFI=1', '', d)} \
+"
diff --git a/meta-oe/recipes-kernel/ktap/ktap_git.bb b/meta-oe/recipes-kernel/ktap/ktap_git.bb
index 1379c4833..248e7bdd6 100644
--- a/meta-oe/recipes-kernel/ktap/ktap_git.bb
+++ b/meta-oe/recipes-kernel/ktap/ktap_git.bb
@@ -6,17 +6,9 @@ SUMMARY = "KTAP is a scripting dynamic tracing tool for Linux"
 DEPENDS = "ktap-module"
 
 PNBLACKLIST[ktap] ?= "Depends on blacklisted kernel-module-ktapvm"
-#Available package configs:
-# libelf - needed to resolve symbols in DSO and for sdt
-# ffi    - only supports x86_64 for now!. Needs to be enabled for ktap-module too.
-PACKAGECONFIG ?= "libelf"
-
-PACKAGECONFIG[libelf] = ",,elfutils"
 
 # Only build the userspace app
-EXTRA_OEMAKE = "${@base_contains('PACKAGECONFIG', 'libelf', '', 'NO_LIBELF=1', d)} \
-             ${@base_contains('PACKAGECONFIG', 'ffi', 'FFI=1', '', d)} \
-             ktap"
+EXTRA_OEMAKE += "ktap"
 
 do_install() {
     install -d ${D}${bindir}