diff -urp boost_1_48_0~/boost/config/compiler/gcc.hpp boost_1_48_0/boost/config/compiler/gcc.hpp

--- boost_1_48_0~/boost/config/compiler/gcc.hpp	2012-01-16 16:15:14.643239525 +0100

+++ boost_1_48_0/boost/config/compiler/gcc.hpp	2012-01-16 16:21:24.072247987 +0100

@@ -120,13 +120,13 @@

      // _WIN32 or one of its variant spellings. Note that Cygwin is a POSIX environment,

      // so does not define _WIN32 or its variants.

 #    define BOOST_HAS_DECLSPEC

-#    define BOOST_SYMBOL_EXPORT __attribute__((dllexport))

-#    define BOOST_SYMBOL_IMPORT __attribute__((dllimport))

+#    define BOOST_SYMBOL_EXPORT __attribute__((__dllexport__))

+#    define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))

 #  else

-#    define BOOST_SYMBOL_EXPORT __attribute__((visibility("default")))

+#    define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))

 #    define BOOST_SYMBOL_IMPORT

 #  endif

-#  define BOOST_SYMBOL_VISIBLE __attribute__((visibility("default")))

+#  define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))

 #else

 // config/platform/win32.hpp will define BOOST_SYMBOL_EXPORT, etc., unless already defined  

 #  define BOOST_SYMBOL_EXPORT

diff -urp boost_1_48_0~/boost/gil/gil_config.hpp boost_1_48_0/boost/gil/gil_config.hpp

--- boost_1_48_0~/boost/gil/gil_config.hpp	2012-01-16 16:15:29.883239865 +0100

+++ boost_1_48_0/boost/gil/gil_config.hpp	2012-01-16 16:17:49.096243036 +0100

@@ -32,7 +32,7 @@

 #if   defined(_MSC_VER)

 #    define GIL_FORCEINLINE __forceinline

 #elif defined(__GNUC__) && __GNUC__ > 3

-#    define GIL_FORCEINLINE inline __attribute__ ((always_inline))

+#    define GIL_FORCEINLINE inline __attribute__ ((__always_inline__))

 #else

 #    define GIL_FORCEINLINE inline

 #endif