Use pkgconfig. Increment libtool CURRENT version.

libffi/Makefile.in

@@ -14,6 +14,7 @@
 
 @SET_MAKE@
 
+
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -58,9 +59,10 @@ target_triplet = @target@
 subdir = .
 DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \
 	$(srcdir)/Makefile.in $(srcdir)/fficonfig.h.in \
-	$(top_srcdir)/configure ChangeLog compile config.guess \
-	config.sub depcomp install-sh ltcf-c.sh ltcf-cxx.sh \
-	ltcf-gcj.sh ltconfig ltmain.sh missing mkinstalldirs
+	$(srcdir)/libffi.pc.in $(top_srcdir)/configure ChangeLog TODO \
+	compile config.guess config.sub depcomp install-sh ltcf-c.sh \
+	ltcf-cxx.sh ltcf-gcj.sh ltconfig ltmain.sh missing \
+	mkinstalldirs
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/configure.ac
@@ -70,14 +72,15 @@ am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
  configure.lineno config.status.lineno
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = fficonfig.h
-CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_FILES = libffi.pc
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
     *) f=$$p;; \
   esac;
 am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
-am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
+am__installdirs = "$(DESTDIR)$(toolexeclibdir)" \
+	"$(DESTDIR)$(pkgconfigdir)"
 toolexeclibLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(noinst_LTLIBRARIES) $(toolexeclib_LTLIBRARIES)
 libffi_la_LIBADD =
@@ -175,6 +178,8 @@ RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
 	install-pdf-recursive install-ps-recursive install-recursive \
 	installcheck-recursive installdirs-recursive pdf-recursive \
 	ps-recursive uninstall-recursive
+pkgconfigDATA_INSTALL = $(INSTALL_DATA)
+DATA = $(pkgconfig_DATA)
 RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive	\
   distclean-recursive maintainer-clean-recursive
 ETAGS = etags
@@ -386,6 +391,8 @@ libffi_la_SOURCES = src/debug.c src/prep_cif.c src/types.c \
 		src/raw_api.c src/java_raw_api.c src/closures.c
 
 # include/ffi_common.h include/ffitarget.h
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libffi.pc
 nodist_libffi_la_SOURCES = $(am__append_1) $(am__append_2) \
 	$(am__append_3) $(am__append_4) $(am__append_5) \
 	$(am__append_6) $(am__append_7) $(am__append_8) \
@@ -455,6 +462,8 @@ $(srcdir)/fficonfig.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 
 distclean-hdr:
 	-rm -f fficonfig.h stamp-h1
+libffi.pc: $(top_builddir)/config.status $(srcdir)/libffi.pc.in
+	cd $(top_builddir) && $(SHELL) ./config.status $@
 
 clean-noinstLTLIBRARIES:
 	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
@@ -923,6 +932,23 @@ clean-libtool:
 
 distclean-libtool:
 	-rm -f libtool
+install-pkgconfigDATA: $(pkgconfig_DATA)
+	@$(NORMAL_INSTALL)
+	test -z "$(pkgconfigdir)" || $(MKDIR_P) "$(DESTDIR)$(pkgconfigdir)"
+	@list='$(pkgconfig_DATA)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(pkgconfigDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(pkgconfigdir)/$$f'"; \
+	  $(pkgconfigDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(pkgconfigdir)/$$f"; \
+	done
+
+uninstall-pkgconfigDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkgconfig_DATA)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(pkgconfigdir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(pkgconfigdir)/$$f"; \
+	done
 
 # This directory's subdirectories are mostly independent; you can cd
 # into them and run `make' without going through this Makefile.
@@ -1199,10 +1225,10 @@ distcleancheck: distclean
 	       exit 1; } >&2
 check-am: all-am
 check: check-recursive
-all-am: Makefile $(LTLIBRARIES) fficonfig.h
+all-am: Makefile $(LTLIBRARIES) $(DATA) fficonfig.h
 installdirs: installdirs-recursive
 installdirs-am:
-	for dir in "$(DESTDIR)$(toolexeclibdir)"; do \
+	for dir in "$(DESTDIR)$(toolexeclibdir)" "$(DESTDIR)$(pkgconfigdir)"; do \
 	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
 	done
 install: install-recursive
@@ -1283,7 +1309,7 @@ info: info-recursive
 
 info-am:
 
-install-data-am:
+install-data-am: install-pkgconfigDATA
 
 install-dvi: install-dvi-recursive
 
@@ -1317,7 +1343,7 @@ ps: ps-recursive
 
 ps-am:
 
-uninstall-am: uninstall-toolexeclibLTLIBRARIES
+uninstall-am: uninstall-pkgconfigDATA uninstall-toolexeclibLTLIBRARIES
 
 .MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) install-am \
 	install-strip
@@ -1333,13 +1359,14 @@ uninstall-am: uninstall-toolexeclibLTLIBRARIES
 	info-am install install-am install-data install-data-am \
 	install-dvi install-dvi-am install-exec install-exec-am \
 	install-html install-html-am install-info install-info-am \
-	install-man install-pdf install-pdf-am install-ps \
-	install-ps-am install-strip install-toolexeclibLTLIBRARIES \
-	installcheck installcheck-am installdirs installdirs-am \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags tags-recursive uninstall uninstall-am \
-	uninstall-toolexeclibLTLIBRARIES
+	install-man install-pdf install-pdf-am install-pkgconfigDATA \
+	install-ps install-ps-am install-strip \
+	install-toolexeclibLTLIBRARIES installcheck installcheck-am \
+	installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-recursive uninstall uninstall-am \
+	uninstall-pkgconfigDATA uninstall-toolexeclibLTLIBRARIES
 
 
 # No install-html or install-pdf support in automake yet