Add autotools/pkgconfig magic

Makefile.am

@@ -0,0 +1,8 @@
+AUTOMAKE_OPTIONS = foreign dist-bzip2 1.6
+ACLOCAL_AMFLAGS = -I m4
+
+INCLUDES = $(all_includes) -I$(top_srcdir)/include
+SUBDIRS = src
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libasn1c.pc

configure.ac

@@ -0,0 +1,33 @@
+AC_INIT([libasn1c], [0.9.21],
+        [openbsc-devel@lists.openbsc.org])
+
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+dnl kernel style compile messages
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+dnl checks for programs
+AC_PROG_MAKE_SET
+AC_PROG_CC
+AC_PROG_INSTALL
+LT_INIT
+AC_PROG_LIBTOOL
+
+AC_CONFIG_MACRO_DIR([m4])
+
+# The following test is taken from WebKit's webkit.m4
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fvisibility=hidden "
+AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
+AC_COMPILE_IFELSE([char foo;],
+      [ AC_MSG_RESULT([yes])
+        SYMBOL_VISIBILITY="-fvisibility=hidden"],
+        AC_MSG_RESULT([no]))
+CFLAGS="$saved_CFLAGS"
+AC_SUBST(SYMBOL_VISIBILITY)
+
+AC_OUTPUT(
+        libasn1c.pc
+        src/Makefile
+        Makefile)
+

libasn1c.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: asn1c runtime library
+Description: C Utility Library
+Version: @VERSION@
+Libs: -L${libdir} -lasn1c
+Cflags: -I${includedir}/
+

src/Makefile.am

@@ -0,0 +1,12 @@
+# 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
+LIBVERSION=0:0:0
+
+INCLUDES = $(all_includes) -I$(top_srcdir)/include
+AM_CFLAGS = -fPIC -Wall
+
+lib_LTLIBRARIES = libasn1c.la
+
+libasn1c_la_SOURCES = ANY.c              constraints.c         GeneralizedTime.c   NumericString.c      T61String.c asn_codecs_prim.c  constr_CHOICE.c       GeneralString.c     ObjectDescriptor.c   TeletexString.c asn_SEQUENCE_OF.c  constr_SEQUENCE.c     GraphicString.c     OBJECT_IDENTIFIER.c  UniversalString.c asn_SET_OF.c       constr_SEQUENCE_OF.c  IA5String.c         OCTET_STRING.c       UTCTime.c ber_decoder.c      constr_SET.c          INTEGER.c           per_decoder.c        UTF8String.c ber_tlv_length.c   constr_SET_OF.c       ISO646String.c      per_encoder.c        VideotexString.c ber_tlv_tag.c      constr_TYPE.c         NativeEnumerated.c  per_support.c        VisibleString.c BIT_STRING.c       converter-sample.c    NativeInteger.c     PrintableString.c    xer_decoder.c BMPString.c        der_encoder.c         NativeReal.c        REAL.c               xer_encoder.c BOOLEAN.c          ENUMERATED.c          NULL.c              RELATIVE-OID.c       xer_support.c 
+