Add config for cmake to bash-completion.

This will allow projects using cmake to get information about
bash-completion. This works much like pkg-config files.

.gitignore

@@ -14,3 +14,5 @@ doc/*.xml
 doc/html*
 bash_completion.sh
 bash-completion.pc
+bash-completion-config.cmake
+bash-completion-config-version.cmake

Makefile.am

@@ -11,6 +11,10 @@ profile_DATA = bash_completion.sh
 pkgconfigdir = $(datadir)/pkgconfig
 pkgconfig_DATA = bash-completion.pc
 
+cmakeconfigdir = $(datadir)/cmake/$(PACKAGE)/
+cmakeconfig_DATA = bash-completion-config.cmake \
+                   bash-completion-config-version.cmake
+
 bash_completion.sh: bash_completion.sh.in Makefile
 	sed -e 's|@pkgdatadir[@]|$(pkgdatadir)|' <$(srcdir)/$@.in >$@
 
@@ -22,6 +26,11 @@ EXTRA_DIST = CHANGES $(sysconf_DATA) $(pkgdata_DATA) bash_completion.sh.in \
 install-data-hook:
 	tmpfile=`mktemp $${TMPDIR:-/tmp}/bash_completion.XXXXXX` && \
 	sed -e 's|=/etc/bash_completion\.d|=$(compatdir)|' \
-		$(DESTDIR)$(pkgdatadir)/bash_completion > $$tmpfile && \
+	    $(DESTDIR)$(pkgdatadir)/bash_completion > $$tmpfile && \
 	cat $$tmpfile > $(DESTDIR)$(pkgdatadir)/bash_completion && \
+	sed -e 's|\$${prefix}|$(prefix)|' \
+	    $(DESTDIR)$(datadir)/cmake/$(PACKAGE)/bash-completion-config.cmake \
+	         > $$tmpfile && \
+	cat $$tmpfile > \
+	    $(DESTDIR)$(datadir)/cmake/$(PACKAGE)/bash-completion-config.cmake && \
 	rm $$tmpfile

bash-completion-config-version.cmake.in

@@ -0,0 +1,7 @@
+set (PACKAGE_VERSION "@VERSION@")
+if (NOT ${PACKAGE_FIND_VERSION} VERSION_GREATER ${PACKAGE_VERSION})
+  set (PACKAGE_VERSION_COMPATIBLE 1)
+  if (${PACKAGE_FIND_VERSION} VERSION_EQUAL ${PACKAGE_VERSION})
+    set (PACKAGE_VERSION_EXACT 1)
+  endif ()
+endif ()

bash-completion-config.cmake.in

@@ -0,0 +1,11 @@
+# config file for bash-completion
+# http://bash-completion.alioth.debian.org/
+
+set (BASH_COMPLETION_VERSION "@VERSION@")
+
+set (BASH_COMPLETION_PREFIX "@prefix@")
+set (BASH_COMPLETION_COMPATDIR "@compatdir@")
+set (BASH_COMPLETION_COMPLETIONSDIR "@datarootdir@/@PACKAGE@/completions")
+set (BASH_COMPLETION_HELPERSDIR "@datarootdir@/@PACKAGE@/helpers")
+
+set (BASH_COMPLETION_FOUND "TRUE")

configure.ac

@@ -4,5 +4,14 @@ AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip -Wall -Werror])
 AC_PROG_LN_S
 AC_PROG_MKDIR_P
 AC_SUBST(compatdir, $sysconfdir/bash_completion.d)
-AC_CONFIG_FILES([Makefile completions/Makefile doc/Makefile helpers/Makefile test/Makefile bash-completion.pc])
+AC_CONFIG_FILES([
+Makefile
+completions/Makefile
+doc/Makefile
+helpers/Makefile
+test/Makefile
+bash-completion.pc
+bash-completion-config.cmake
+bash-completion-config-version.cmake
+])
 AC_OUTPUT