diff -ur avogadro-1.0.3/CMakeLists.txt avogadro-1.0.3-mkspecs-dir/CMakeLists.txt
--- avogadro-1.0.3/CMakeLists.txt 2011-04-25 07:29:58.000000000 +0200
+++ avogadro-1.0.3-mkspecs-dir/CMakeLists.txt 2011-04-27 02:42:26.000000000 +0200
-@@ -491,7 +491,7 @@
- if(QT_MKSPECS_DIR AND INSTALL_QMAKE_PRF)
- install(FILES
- "${CMAKE_CURRENT_BINARY_DIR}/avogadro.prf"
-- DESTINATION "${CMAKE_INSTALL_PREFIX}/${QT_MKSPECS_RELATIVE}/features"
-+ DESTINATION "${QT_MKSPECS_DIR}/features"
- )
- else(QT_MKSPECS_DIR AND INSTALL_QMAKE_PRF)
- message(WARNING "Qt mkspecs directory not found. File 'avogadro.prf' will be installed to ${SHARE_INSTALL_PREFIX}/avogadro/qmake.")
-diff -ur avogadro-1.0.3/CMakeLists.txt avogadro-1.0.3-no-strip/CMakeLists.txt
---- avogadro-1.0.3/CMakeLists.txt 2011-04-25 07:29:58.000000000 +0200
-+++ avogadro-1.0.3-no-strip/CMakeLists.txt 2011-04-27 18:44:02.000000000 +0200
+@@ -95,8 +95,6 @@
+ if(NOT APPLE) # Mac GCC42 compiler has bug
+ check_cxx_compiler_flag(-fvisibility=hidden HAVE_GCC_VISIBILITY)
+ set(HAVE_GCC_VISIBILITY ${HAVE_GCC_VISIBILITY} CACHE BOOL "GCC support for hidden visibility")
+- macro_ensure_version("4.1.0" "${_gcc_version}" GCC_IS_NEWER_THAN_4_1)
+- macro_ensure_version("4.2.0" "${_gcc_version}" GCC_IS_NEWER_THAN_4_2)
+ set(_GCC_COMPILED_WITH_BAD_ALLOCATOR FALSE)
+ if (GCC_IS_NEWER_THAN_4_1)
+ exec_program(${CMAKE_C_COMPILER} ARGS -v OUTPUT_VARIABLE _gcc_alloc_info)
@@ -98,7 +98,7 @@
endif (NOT APPLE)
# Set up additional build flags for particular build types. These will be added to CMAKE_CXX_FLAGS,
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
"${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${CMAKE_CXX_FLAGS_WARN}")
set(CMAKE_CXX_FLAGS_DEBUG "-g3 -fno-inline ${CMAKE_CXX_FLAGS_WARN}")
+@@ -491,7 +491,7 @@
+ if(QT_MKSPECS_DIR AND INSTALL_QMAKE_PRF)
+ install(FILES
+ "${CMAKE_CURRENT_BINARY_DIR}/avogadro.prf"
+- DESTINATION "${CMAKE_INSTALL_PREFIX}/${QT_MKSPECS_RELATIVE}/features"
++ DESTINATION "${QT_MKSPECS_DIR}/features"
+ )
+ else(QT_MKSPECS_DIR AND INSTALL_QMAKE_PRF)
+ message(WARNING "Qt mkspecs directory not found. File 'avogadro.prf' will be installed to ${SHARE_INSTALL_PREFIX}/avogadro/qmake.")
+diff -ur avogadro-1.2.0/libavogadro/src/extensions/symmetry/libmsym/CMakeLists.txt avogadro-1.2.0.build/libavogadro/src/extensions/symmetry/libmsym/CMakeLists.txt
+--- avogadro-1.2.0/libavogadro/src/extensions/symmetry/libmsym/CMakeLists.txt 2016-06-08 16:19:45.000000000 +0200
++++ avogadro-1.2.0.build/libavogadro/src/extensions/symmetry/libmsym/CMakeLists.txt 2017-04-13 11:58:44.627114834 +0200
+@@ -38,6 +38,7 @@
+ # C_STANDARD_REQUIRED ON)
+
+ set_target_properties(msym PROPERTIES PUBLIC_HEADER "src/msym.h;src/msym_error.h")
++target_link_libraries(msym m)
+
+ export(TARGETS msym FILE "${PROJECT_BINARY_DIR}/libmsymTargets.cmake")
+