Put headers in include/libabigail

* include/libabigail: New directory.
	* include/Makefile.am:  New file.
	* include/libabigail/Makefile.am: New file.
	* src/abg-*.h: Move these in include/libabigail/*.h
	* src/Makefile.am: Set -I option to look for headers in include/libabigail
	* doc/api/libabigail.doxy: Look for headers in include/libabigail
	* tests/Makefile.am: Set -I option to look for headers in include/libabigail
	* abigail.m4: Set includedir to $prefix/include/libabigail for
	library used as a dep, or to srcdir/libabigail/include/libabigail
	in GCC source tree.
	* configure.ac: Add Makefile.am in include and include/libabigail
	* abigail.m4: Look for headers in include/libabigail when the
	libabigail is in in the source tree and in $incdir/libabigail when
	it is installed as a dependency.

Makefile.am

@@ -1,4 +1,4 @@
-SUBDIRS = src tests doc
+SUBDIRS = include src tests doc
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
 headers = config.h
 

abigail.m4

@@ -101,7 +101,7 @@ AC_DEFUN([ABIGAIL_INIT],
    if test -d $srcdir/libabigail -a -f $srcdir/gcc/gcc.c; then
       libpath='$$r/$(HOST_SUBDIR)/libabigail/src/'"${lt_cv_objdir}"
       abigaillibs="-L$libpath ${abigaillibs}"
-      abigailinc='-I${srcdir}/libabigail/src '"${abigailinc}"
+      abigailinc='-I${srcdir}/libabigail/include '"${abigailinc}"
       found_abigail_lib=yes
       found_abigail_inc=yes
       HAVE_LIBABIGAIL=yes

configure.ac

@@ -54,9 +54,11 @@ if test x$ABIGAIL_DEVEL != x; then
 fi
 
 AC_CONFIG_FILES([Makefile
+include/Makefile
+include/libabigail/Makefile
 doc/Makefile
 src/Makefile
 tests/Makefile])
-AC_CONFIG_FILES([src/abg-version.h])
+AC_CONFIG_FILES([include/libabigail/abg-version.h])
 
 AC_OUTPUT

doc/api/libabigail.doxy

@@ -683,7 +683,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
 
-INPUT                  =  LIBABIGAIL_INPUT/src
+INPUT                  =  LIBABIGAIL_INPUT/src LIBABIGAIL_INPUT/include/libabigail
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is

include/Makefile.am

@@ -0,0 +1,2 @@
+SUBDIRS = libabigail
+

include/libabigail/Makefile.am

@@ -0,0 +1,16 @@
+headers =		\
+abg-ir.h		\
+abg-reader.h		\
+abg-corpus.h		\
+abg-libxml-utils.h	\
+abg-hash.h		\
+abg-writer.h		\
+abg-config.h		\
+abg-version.h		\
+abg-viz-common.h	\
+abg-viz-dot.h		\
+abg-viz-svg.h		
+
+publicheaders_DATA=$(headers)
+publicheadersdir=$(includedir)/libabigail
+

src/Makefile.am

@@ -1,19 +1,6 @@
 libabigail_LTLIBRARIES=libabigail.la
 libabigaildir=$(libdir)/
 
-headers =		\
-abg-ir.h		\
-abg-reader.h		\
-abg-corpus.h		\
-abg-libxml-utils.h	\
-abg-hash.h		\
-abg-writer.h		\
-abg-config.h		\
-abg-version.h		\
-abg-viz-common.h	\
-abg-viz-dot.h		\
-abg-viz-svg.h		
-
 libabigail_la_SOURCES = $(headers)	\
 abg-ir.cc				\
 abg-reader.cc			\
@@ -28,8 +15,5 @@ abg-viz-svg.cc
 
 libabigail_la_LDFLAGS=@XML_LIBS@ -Wl,--as-needed
 
-publicheaders_DATA=$(headers)
-publicheadersdir=$(includedir)/libabigail
-
-AM_CPPFLAGS=@XML_CFLAGS@ -Wall
+AM_CPPFLAGS=@XML_CFLAGS@ -Wall -I$(top_srcdir)/include/libabigail -I$(top_builddir)/include/libabigail
 AM_CXXFLAGS="-std=gnu++11"

tests/Makefile.am

@@ -24,7 +24,7 @@ runtestsvg_LDADD=$(top_builddir)/src/libabigail.la
 runtestdot_SOURCES=test-dot.cc
 runtestdot_LDADD=$(top_builddir)/src/libabigail.la
 
-AM_CPPFLAGS=-I${top_srcdir}/src
+AM_CPPFLAGS=-I${top_srcdir}/include/libabigail -I${top_builddir}/include/libabigail
 AM_CXXFLAGS="-std=gnu++11"
 
 EXTRA_DIST=				\