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authorTzafrir Cohen <tzafrir.cohen@xorcom.com>2012-01-17 14:50:01 +0000
committerTzafrir Cohen <tzafrir.cohen@xorcom.com>2012-01-17 14:50:01 +0000
commit41f96488d6bcacda640cac0c71e7e882324fbe9d (patch)
tree91a2451c9c8cdf3be713bb7eb2c0a8eb5506cbac
parentb9908040c01908ed27ca21c25e2b46137a294b6e (diff)
Build OSLEC EC if in the tree
Build the OSLEC echo canceller (drivers/staging/echo and dahdi_echocan_oslec) if the code of oslec is present in the tree. Also closing another issue regarding documentation of building OSLEC, as it is now even clearer than before. Patch has been used in the Debian package for quite some time. Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com> (closes issue DAHLIN-110) Reported by: biohumanoid (Pavel Selivanov) Patches: oslec_auto.diff uploaded by tzafrir (license 5035) (closes issue DAHLIN-261) Origin: http://svnview.digium.com/svn/dahdi?view=rev&rev=10440 git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/branches/2.6@10442 a0bf4364-ded3-4de4-8d8a-66a801d63aff
-rw-r--r--README11
-rw-r--r--drivers/dahdi/Kbuild15
2 files changed, 11 insertions, 15 deletions
diff --git a/README b/README
index cb94d92..c94c2be 100644
--- a/README
+++ b/README
@@ -212,13 +212,10 @@ under driver/staging/echo . In fact, dahdi_echocan_oslec assumes that
this is where the oslec code lies. If it is elsewhere you'll need to fix
the #include line.
-Thus for the moment, the simplest way to build OSLEC with dahdi is:
-
-1. Copy the directory `drivers/staging/echo` from a recent kernel tree
- (at least 2.6.28-rc1) to the a subdirectory with the same name in the
- dahdi-linux tree.
-
-2. Edit drivers/dahdi/Kbuild and uncomment the two lines related to OSLEC.
+Thus for the moment, the simplest way to build OSLEC with dahdi is to
+copy the directory `drivers/staging/echo` from a recent kernel tree (at
+least 2.6.28-rc1) to the a subdirectory with the same name in the
+dahdi-linux tree.
After doing that, you'll see the following when building (running
'make')
diff --git a/drivers/dahdi/Kbuild b/drivers/dahdi/Kbuild
index 7487f7d..8bbfea0 100644
--- a/drivers/dahdi/Kbuild
+++ b/drivers/dahdi/Kbuild
@@ -33,14 +33,13 @@ obj-$(DAHDI_BUILD_ALL)$(CONFIG_DAHDI_ECHOCAN_MG2) += dahdi_echocan_mg2.o
obj-m += $(DAHDI_MODULES_EXTRA)
-# Only enable this if you think you know what you're doing. This is not
-# supported yet:
-#obj-m += dahdi_echocan_oslec.o
-#
-# A quick and dirty way to build OSLEC, if you happened to place it
-# yourself in the dahdi source tree. This is experimental. See README
-# regarding OSLEC.
-#obj-m += ../staging/echo/
+# If you want to build OSLEC, include the code in the standard location:
+# drivers/staging/echo . The DAHDI OSLEC echo canceller will be built as
+# well:
+ifneq (,$(wildcard $(src)/../staging/echo/echo.c))
+obj-m += dahdi_echocan_oslec.o
+obj-m += ../staging/echo/
+endif
CFLAGS_MODULE += -I$(DAHDI_INCLUDE) -I$(src)