--- a/pkgconfig/cppad.pc.orig.in	2021-02-18 14:28:40.000000000 +0100
+++ b/pkgconfig/cppad.pc.in	2021-07-28 18:23:38.761860174 +0200
@@ -15,9 +15,9 @@
 # for the meaning of these variables.
 #
 prefix=@cppad_prefix@
-exec_prefix=$(prefix)
-includedir=${prefix}/@cppad_includedir@
-libdir=${exec_prefix}/@cppad_libdir@
+exec_prefix=@cppad_prefix@
+includedir=@cppad_prefix@/${cmake_install_includedirs}/cppad
+libdir=@cppad_prefix@/${cmake_install_libdirs}
 #
 # See https://people.freedesktop.org/~dbn/pkg-config-guide.html
 # for the meaning of the settings below:
@@ -27,8 +27,8 @@
 Version:               @cppad_version@
 URL:                   @cppad_url@
 #
-Cflags:                -I${includedir}
-Libs:                  -L{libdir} -l@cppad_lib_list@
+Cflags:                -I@cppad_prefix@/${cmake_install_includedirs}/cppad
+Libs:                  -L@cppad_prefix@/${cmake_install_libdirs} @cppad_lib_list@
 Requires:
 Libs.private           @cppad_libs_private@
 Requires.private:      @cppad_requires_private@