Index: misc/allegrogl.pc.in
===================================================================
--- misc/allegrogl.pc.in.orig
+++ misc/allegrogl.pc.in
@@ -8,7 +8,7 @@ suffix=@lib_type@@lib_linkage@
 Name: allegrogl
 Description: OpenGL addon for Allegro game programming library
 Version: ${version}
-# always statically linked
-Libs: -L${libdir} -lalleggl${suffix} @link_with@
-Requires: allegro${suffix} >= ${version}
+Libs: -L${libdir} -lalleggl${suffix}
+Libs.private: @link_with@
+Requires.private: allegro${suffix} >= ${version}
 Cflags: -I${includedir}
Index: misc/jpgalleg.pc.in
===================================================================
--- misc/jpgalleg.pc.in.orig
+++ misc/jpgalleg.pc.in
@@ -8,7 +8,7 @@ suffix=@lib_type@@lib_linkage@
 Name: JPGalleg
 Description: JPEG addon for Allegro game programming library
 Version: ${version}
-# always statically linked
-Libs: -L${libdir} -ljpgalleg${suffix} @link_with@
-Requires: allegro${suffix} >= ${version}
+Libs: -L${libdir} -ljpgalleg${suffix}
+Libs.private: @link_with@
+Requires.private: allegro${suffix} >= ${version}
 Cflags: -I${includedir}
Index: misc/loadpng.pc.in
===================================================================
--- misc/loadpng.pc.in.orig
+++ misc/loadpng.pc.in
@@ -8,7 +8,7 @@ suffix=@lib_type@@lib_linkage@
 Name: loadpng
 Description: PNG addon for Allegro game programming library
 Version: ${version}
-# always statically linked
-Libs: -L${libdir} -lloadpng${suffix} @link_with@
-Requires: allegro${suffix} >= ${version}
+Libs: -L${libdir} -lloadpng${suffix}
+Libs.private: @link_with@
+Requires.private: allegro${suffix} >= ${version}
 Cflags: -I${includedir}
Index: misc/logg.pc.in
===================================================================
--- misc/logg.pc.in.orig
+++ misc/logg.pc.in
@@ -8,7 +8,7 @@ suffix=@lib_type@@lib_linkage@
 Name: logg
 Description: Ogg Vorbis addon for Allegro game programming library
 Version: ${version}
-# always statically linked
-Libs: -L${libdir} -llogg${suffix} @link_with@
-Requires: allegro${suffix} >= ${version}
+Libs: -L${libdir} -llogg${suffix}
+Libs.private: @link_with@
+Requires.private: allegro${suffix} >= ${version}
 Cflags: -I${includedir}
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -445,20 +445,18 @@ if(ALLEGRO_WITH_XWINDOWS)
     include_directories(SYSTEM ${X11_INCLUDE_DIR})
     list(APPEND PLATFORM_SOURCES ${ALLEGRO_SRC_X_FILES})
     list(APPEND PLATFORM_LIBS ${X11_LIBRARIES})
+    SET(PKGCONF_DEPS "x11 xproto")
 
     if(X11_XShm_FOUND)
         set(ALLEGRO_XWINDOWS_WITH_SHM 1)
         list(APPEND PLATFORM_LIBS ${X11_Xext_LIB})
+        SET(PKGCONF_DEPS "${PKGCONF_DEPS} xext")
     endif()
 
     if(X11_Xcursor_FOUND)
         set(ALLEGRO_XWINDOWS_WITH_XCURSOR 1)
         list(APPEND PLATFORM_LIBS ${X11_Xcursor_LIB})
-    endif()
-
-    if(X11_Xcursor_FOUND)
-        set(ALLEGRO_XWINDOWS_WITH_XCURSOR 1)
-        list(APPEND PLATFORM_LIBS ${X11_Xcursor_LIB})
+        SET(PKGCONF_DEPS "${PKGCONF_DEPS} xcursor")
     endif()
 
     if(X11_Xpm_FOUND)
@@ -471,6 +469,7 @@ if(ALLEGRO_WITH_XWINDOWS)
     if(X11_xf86vmode_FOUND)
         set(ALLEGRO_XWINDOWS_WITH_XF86VIDMODE 1)
         list(APPEND PLATFORM_LIBS ${X11_Xxf86vm_LIB})
+        SET(PKGCONF_DEPS "${PKGCONF_DEPS} xxf86vm")
     endif()
 
     check_library_exists(X11 XOpenIM "${X11_LIB_SEARCH_PATH}" XIM_FOUND)
Index: misc/allegro.pc.in
===================================================================
--- misc/allegro.pc.in.orig
+++ misc/allegro.pc.in
@@ -8,6 +8,7 @@ suffix=@lib_type@@lib_linkage@
 Name: allegro
 Description: Allegro game programming library
 Version: ${version}
+Requires.private: @PKGCONF_DEPS@
 Libs: -L${libdir} -lalleg${suffix}
 Libs.private: @link_with@
 Cflags: -I${includedir}