Index: /trunk/psphot/configure.ac
===================================================================
--- /trunk/psphot/configure.ac	(revision 7337)
+++ /trunk/psphot/configure.ac	(revision 7338)
@@ -31,5 +31,23 @@
 )
 
-AC_CHECK_LIB(jpeg,jpeg_CreateCompress,[],[AC_MSG_ERROR([jpeg library not found.])])
+dnl ------------------------------------------------------------
+dnl Find libjpeg. The library may not be in a well-known place,
+dnl and AC_CHECK_LIB has no way of adding a library to the
+dnl search path for the duration of the test
+dnl
+
+AC_ARG_WITH(libjpeg,
+	    [AS_HELP_STRING(--with-libjpeg=DIR, Specify location of libjpg library)],
+	    [JPEG_LIB="-L$withval"])
+SAVE_LIBS="${LIBS}"
+LIBS="${LIBS=} $JPEG_LIB"
+
+AC_CHECK_LIB(jpeg,jpeg_CreateCompress,
+	[LIBS="${SAVE_LIBS} $JPEG_LIB -ljpeg"],
+	[LIBS="${SAVE_LIBS}"
+	 AC_MSG_ERROR([jpeg library not found.])])
+
+dnl ------------------------------------------------------------
+
 PKG_CHECK_MODULES(PSLIB, pslib >= 0.9.0)
 PKG_CHECK_MODULES(PSMODULE, psmodule >= 0.0.0)