diff -up src/idesk-0.7.5/configure.in.orig src/idesk-0.7.5/configure.in
--- src/idesk-0.7.5/configure.in.orig	2005-09-11 01:14:04.000000000 -0600
+++ src/idesk-0.7.5/configure.in	2021-12-19 00:06:11.240000000 -0700
@@ -94,19 +94,22 @@ LIBS="$LIBS $Xext_lib"
 
 dnl Imlib2 detection
 
-AC_PATH_GENERIC(imlib2, , [
-    AC_SUBST(IMLIB_LIBS)
-   AC_SUBST(IMLIB_CXXFLAGS) ],
-  AC_MSG_ERROR(Cannot find imlib2: Is imlib2-config in the path?
-               You need Imlib2 to build Idesk.  Verify that you have Imlib2-dev))
-
-dnl the above doesn't work for some reason :/
-IMLIB_LIBS=`imlib2-config --libs`
-IMLIB_CFLAGS=`imlib2-config --cflags`
-AC_SUBST(IMLIB_LIBS)
-AC_SUBST(IMLIB_CXXFLAGS)
+PKG_CHECK_MODULES([IMLIB],[imlib2])
 
-CXXFLAGS="$CXXFLAGS $IMLIB_CXXFLAGS"
+dnl AC_PATH_GENERIC(imlib2, , [
+dnl     AC_SUBST(IMLIB_LIBS)
+dnl    AC_SUBST(IMLIB_CXXFLAGS) ],
+dnl   AC_MSG_ERROR(Cannot find imlib2: Is imlib2-config in the path?
+dnl                You need Imlib2 to build Idesk.  Verify that you have Imlib2-dev))
+dnl 
+dnl dnl the above doesn't work for some reason :/
+dnl IMLIB_LIBS=`imlib2-config --libs`
+dnl IMLIB_CFLAGS=`imlib2-config --cflags`
+dnl AC_SUBST(IMLIB_LIBS)
+dnl AC_SUBST(IMLIB_CXXFLAGS)
+dnl 
+
+CXXFLAGS="$CXXFLAGS $IMLIB_CFLAGS"
 LIBS="$LIBS $IMLIB_LIBS"