mech: Add infrastructure for backend plugins using Augeas

package/mech/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_MECH
 	bool "mech"
 	select BR2_PACKAGE_CLIXON
+	select BR2_PACKAGE_AUGEAS
 	help
 	  Orchestrate an Infix node using any of the front-ends
 	  offered by Clixon, e.g. NETCONF, RESTCONF or SNMP.

package/mech/mech.mk

@@ -7,6 +7,7 @@ MECH_VERSION = 1.0
 MECH_LICENSE = GPL
 MECH_SITE_METHOD = local
 MECH_SITE = $(BR2_EXTERNAL_INFIX_PATH)/src/mech
+MECH_DEPENDENCIES = augeas clixon
 MECH_AUTORECONF = YES
 
 $(eval $(autotools-package))

src/mech/common.am

@@ -1,3 +1,6 @@
+CFLAGS   = -Wall -Wextra -Werror -Wno-unused-parameter
+CPPFLAGS = -I $(top_srcdir)/include/
+
 finitdir      = $(sysconfdir)/finit.d
 
 clixonlibdir  = $(libdir)/clixon
@@ -13,3 +16,8 @@ yang_DATA =
 
 cli_libadd = -lclixon -lclixon_cli
 cli_ldflags = -module -avoid-version -shared
+
+backend_cflags = $(CFLAGS) $(augeas_CFLAGS)
+backend_libadd = $(augeas_LIBS) -lclixon -lclixon_backend
+backend_ldflags = -module -avoid-version -shared
+

src/mech/configure.ac

@@ -18,6 +18,8 @@ AC_PROG_CC
 AC_PROG_INSTALL
 
 AC_CHECK_LIB([clixon], [yang_len_get],, AC_MSG_ERROR([Clixon not found]))
+PKG_CHECK_MODULES([augeas],  [augeas >= 1.12.0])
+
 
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

src/mech/src/Makefile.am

@@ -1,6 +1,5 @@
 include $(top_srcdir)/common.am
 
-CFLAGS  = -Wall -Wextra -Werror -Wno-unused-parameter
 SUBDIRS = core
 
 install-exec-hook: