applying patches to make gnu compiler args conditional, to install docs, and to add pkgconfig support to the installation

Makefile.am

@@ -3,3 +3,8 @@ ACLOCAL_AMFLAGS = -I config
 
 SUBDIRS = include examples docs tests msc config
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = $(PACKAGE).pc
+EXTRA_DIST = $(PACKAGE).pc.in
+
+DISTCLEANFILES = $(PACKAGE).pc

configure.in

@@ -11,7 +11,11 @@ AC_CHECK_PROG(DOT,dot,YES,NO)
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 BB_ENABLE_DOXYGEN
+
+AM_CONDITIONAL([HAVE_GNU_COMPILERS], [test x$ac_cv_cxx_compiler_gnu = xyes])
+
 AC_OUTPUT([ Makefile \
+	   tclap.pc
            examples/Makefile \
 		   include/Makefile \
 		   include/tclap/Makefile \

docs/Makefile.am

@@ -10,7 +10,20 @@ all:
 
 endif
 
-EXTRA_DIST = index.html manual.html style.css manual.xml
+EXTRA_DIST = manual.xml
+dist_doc_DATA = index.html manual.html style.css
+
+install-data-local :
+	$(MKDIR_P) $(DESTDIR)$(docdir)/html
+	cp -R html $(DESTDIR)$(docdir)/html
+
+uninstall-local :
+	chmod -R +w $(DESTDIR)$(docdir)/html
+	rm -rf $(DESTDIR)$(docdir)/html
+
+dist-hook :
+	$(MKDIR_P) $(distdir)/html
+	cp -R html $(distdir)
 
 clean-local:
 	$(RM) -rf html

examples/Makefile.am

@@ -25,4 +25,6 @@ test19_SOURCES = test19.cpp
 
 AM_CPPFLAGS = -I$(top_srcdir)/include
 
-AM_CXXFLAGS = -Wall -Wextra
+if HAVE_GNU_COMPILERS
+  AM_CXXFLAGS = -Wall -Wextra
+endif

tclap.pc.in

@@ -0,0 +1,7 @@
+prefix=@prefix@
+includedir=@includedir@
+
+Name: tclap
+Description: Templatized C++ Command Line Parser
+Version: @VERSION@
+Cflags: -I${includedir}