build: avoid using a convenience library for the input subdirectory.

automake is well capable of building sources present in sub-directory
without requiring a recursion, so there is no reason to use a
non-installed library just for the extra files.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
diff --git a/configure.ac b/configure.ac
index f1da635..2c04240 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,6 @@
 	libosmotrau.pc
 	include/Makefile
 	src/Makefile
-	src/input/Makefile
 	src/trau/Makefile
 	tests/Makefile
 	Makefile)
diff --git a/src/Makefile.am b/src/Makefile.am
index 2155a76..a13223e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS=input trau
+SUBDIRS=trau
 
 # This is _NOT_ the library release version, it's an API version.
 # Please read Chapter 6 "Library interface versions" of the libtool documentation before making any modification
@@ -10,10 +10,16 @@
 
 lib_LTLIBRARIES = libosmoabis.la
 
-libosmoabis_la_LIBADD = input/libosmoabis-input.la
 libosmoabis_la_SOURCES = init.c \
 			 e1_input.c \
 			 e1_input_vty.c \
 			 ipa_proxy.c \
 			 subchan_demux.c \
-			 trau_frame.c
+			 trau_frame.c \
+			 input/dahdi.c \
+			 input/hsl.c \
+			 input/ipa.c \
+			 input/ipaccess.c \
+			 input/lapd.c \
+			 input/misdn.c \
+			 input/rs232.c
diff --git a/src/input/Makefile.am b/src/input/Makefile.am
deleted file mode 100644
index 309fe9d..0000000
--- a/src/input/Makefile.am
+++ /dev/null
@@ -1,13 +0,0 @@
-noinst_LTLIBRARIES = libosmoabis-input.la
-
-INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS= -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(COVERAGE_CFLAGS)
-AM_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(COVERAGE_LDFLAGS)
-
-libosmoabis_input_la_SOURCES  = dahdi.c		\
-				hsl.c		\
-				ipa.c		\
-				ipaccess.c	\
-				lapd.c		\
-				misdn.c		\
-				rs232.c