Add XORG_WITH_LINT to allow checking code with lint/sparse/etc.

Makefile.am

@@ -29,3 +29,8 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = xcursor.pc
 
 EXTRA_DIST = xcursor.pc.in autogen.sh
+
+if LINT
+lint:
+	(cd src && $(MAKE) $(MFLAGS) lint)
+endif LINT

configure.ac

@@ -36,6 +36,10 @@ AC_CONFIG_SRCDIR([Makefile.am])
 AM_MAINTAINER_MODE
 AM_CONFIG_HEADER(config.h)
 
+# Require xorg-macros version 1.1.0 or newer for XORG_WITH_LINT macro
+m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.1 or later before running autoconf/autogen])])
+XORG_MACROS_VERSION(1.1)
+
 # Check for progs
 AC_PROG_CC
 AC_PROG_LIBTOOL
@@ -65,6 +69,9 @@ AC_SUBST(XCURSOR_LIBS)
 XORG_MANPAGE_SECTIONS
 XORG_RELEASE_VERSION
 
+dnl Allow checking code with lint, sparse, etc.
+XORG_WITH_LINT
+
 AC_OUTPUT([Makefile
 	   src/Makefile
 	   man/Makefile

src/Makefile.am

@@ -18,3 +18,11 @@ libXcursor_la_LDFLAGS = -version-number 1:0:2 -no-undefined
 
 libXcursorincludedir = $(includedir)/X11/Xcursor
 libXcursorinclude_HEADERS = $(top_srcdir)/include/X11/Xcursor/Xcursor.h 
+
+if LINT
+ALL_LINT_FLAGS=$(LINT_FLAGS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+		$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS)
+
+lint:
+	$(LINT) $(ALL_LINT_FLAGS) $(libXcursor_la_SOURCES) $(XCURSOR_LIBS)
+endif LINT