Index: branches/eam_01_branch/psphot/configure.ac
===================================================================
--- branches/eam_01_branch/psphot/configure.ac	(revision 10280)
+++ branches/eam_01_branch/psphot/configure.ac	(revision 10281)
@@ -41,4 +41,44 @@
 fi
 
+dnl ------------------ kapa,libkapa options -------------------------
+dnl -- libkapa implies the requirement for libpng, libjpeg as well --
+
+dnl save LIBS/CFLAGS/LDFLAGS
+TMP_LIBS=${LIBS}
+TMP_CFLAGS=${CFLAGS}
+TMP_LDFLAGS=${LDFLAGS}
+TMP_CPPFLAGS=${CPPFLAGS}
+
+AC_ARG_WITH(kapa,
+[AS_HELP_STRING(--with-kapa=DIR,Specify location of libkapa)],
+[KAPA_CFLAGS="-I$withval/include"
+ KAPA_LDFLAGS="-L$withval/lib"])
+AC_ARG_WITH(kapa-include,
+[AS_HELP_STRING(--with-kapa-include=DIR,Specify libkapa include directory.)],
+[KAPA_CFLAGS="-I$withval"])
+AC_ARG_WITH(kapa-lib,
+[AS_HELP_STRING(--with-kapa-lib=DIR,Specify libkapa library directory.)],
+[KAPA_LDFLAGS="-L$withval"])
+
+CFLAGS="${CFLAGS} ${KAPA_CFLAGS}"
+CPPFLAGS=${CFLAGS}
+LDFLAGS="${LDFLAGS} ${KAPA_LIBS}"
+
+AC_CHECK_HEADERS([kapa.h],[],
+  [AC_MSG_ERROR([libkapa headers not found.  Obtain it at http://kiawe.ifa.hawaii.edu/Elixir/Ohana or use --with-kapa to specify location.])]
+)
+AC_CHECK_LIB(kapa,KapaInitGraph,[],
+  [AC_MSG_ERROR([libkapa headers not found.  Obtain it at http://kiawe.ifa.hawaii.edu/Elixir/Ohana or use --with-kapa to specify location.])],[-lm]
+)
+
+AC_SUBST([KAPA_CFLAGS])
+
+dnl restore the CFLAGS/LDFLAGS
+LIBS=${TMP_LIBS}
+CFLAGS=${TMP_CFLAGS}
+LDFLAGS=${TMP_LDFLAGS}
+CPPFLAGS=${TMP_CPPFLAGS}
+
+dnl ------------- psLib, psModules ---------------
 PKG_CHECK_MODULES(PSLIB, pslib >= 0.12.99)
 PKG_CHECK_MODULES(PSMODULE, psmodules >= 0.12.99)