diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9307cee..8c74a28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ set(CMAKE_BUILD_TYPE debug)
 
 find_package(DWARF REQUIRED)
 
-_set_fancy(LIB_INSTALL_DIR "${EXEC_INSTALL_PREFIX}/usr/${__LIB}" "libdir")
+_set_fancy(LIB_INSTALL_DIR "${EXEC_INSTALL_PREFIX}${CMAKE_INSTALL_PREFIX}/${__LIB}" "libdir")
 
 set(dwarves_LIB_SRCS dwarves.c)
 add_library(dwarves SHARED ${dwarves_LIB_SRCS})
@@ -61,10 +61,11 @@ add_executable(prefcnt ${prefcnt_SRCS})
 target_link_libraries(prefcnt dwarves)
 
 install(TARGETS codiff ctracer dtagnames pahole pdwtags
-		pfunct pglobal prefcnt RUNTIME DESTINATION /usr/bin)
+		pfunct pglobal prefcnt RUNTIME DESTINATION
+		${CMAKE_INSTALL_PREFIX}/bin)
 install(TARGETS dwarves LIBRARY DESTINATION ${LIB_INSTALL_DIR})
-install(FILES dwarves.h DESTINATION /usr/include)
-install(FILES ostra/ostra-cg DESTINATION /usr/bin)
+install(FILES dwarves.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
+install(FILES ostra/ostra-cg DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
 install(FILES ostra/python/ostra.py DESTINATION ${LIB_INSTALL_DIR}/ctracer/python)
 install(FILES lib/Makefile lib/ctracer_jprobe.c
 	      lib/ctracer_relay.c lib/ctracer_relay.h
diff --git a/README b/README
index b164973..e711ba4 100644
--- a/README
+++ b/README
@@ -3,8 +3,11 @@ Build instructions:
 1. install cmake
 2. mkdir build
 3. cd build
-4. cmake ..
-5. make
+4. cmake -D__LIB=lib ..
+5. make install
+
+Default is to be installed on /usr/local, see rpm spec file for
+installing on other places.
 
 Known to work scenarios:
 
@@ -17,3 +20,8 @@ Debian Unstable:
 
 cmake 2.4.5-1
 libdw-dev 0.123-2
+
+Fedora Core 6:
+
+cmake 2.4.5-2.fc6
+elfutils-devel 0.126-1.fc6
diff --git a/rpm/SPECS/dwarves.spec b/rpm/SPECS/dwarves.spec
index 80a8b04..0a2ffd4 100644
--- a/rpm/SPECS/dwarves.spec
+++ b/rpm/SPECS/dwarves.spec
@@ -3,7 +3,7 @@
 
 Name: dwarves
 Version: 0
-Release: 18
+Release: 19
 License: GPL
 Summary: Dwarf Tools
 Group: Base
@@ -48,7 +48,7 @@ DWARF processing library development files
 %setup -q -c -n %{name}-%{version}
 
 %build
-cmake -D __LIB=%{_lib} .
+cmake -D__LIB=%{_lib} -DCMAKE_INSTALL_PREFIX=/usr .
 make
 
 %install