http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50152
--- Comment #2 from ravish <ravish_nayak2003 at yahoo dot co.in> 2011-08-22 11:11:16 UTC --- Hi, I am trying to build gcc version 4.5.1 on ubuntu machine i.e., 11.04 (x86_64) machine. The config parameters are:- ./configure --prefix=/ravnay01/gcc-4.3.3-download/gcc_files --bindir=/ravnay01/gcc-4.3.3-download/gcc_files/bin --libdir=/ravnay01/gcc-4.3.3-download/gcc_files/lib --libexecdir=/ravnay01/gcc-4.3.3-download/gcc_files/libexec --include-dir=/ravnay01/gcc-4.3.3-download/gcc_files/include --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-languages=c,c++,fortran,java,objc --disable-multilib The native version of gcc is:- /usr/bin/gcc ---> gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2 Error which I got:- ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getservent': ../.././libmudflap/mf-hooks2.c:2011:3: warning: implicit declaration of function 'getservent' ../.././libmudflap/mf-hooks2.c:2011:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2013:32: error: dereferencing pointer to incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getservbyname': ../.././libmudflap/mf-hooks2.c:2028:3: warning: implicit declaration of function 'getservbyname' ../.././libmudflap/mf-hooks2.c:2028:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2030:32: error: dereferencing pointer to incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getservbyport': ../.././libmudflap/mf-hooks2.c:2043:3: warning: implicit declaration of function 'getservbyport' ../.././libmudflap/mf-hooks2.c:2043:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2045:32: error: dereferencing pointer to incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_gai_strerror': ../.././libmudflap/mf-hooks2.c:2056:3: warning: implicit declaration of function 'gai_strerror' ../.././libmudflap/mf-hooks2.c:2056:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c: At top level: ../.././libmudflap/mf-hooks2.c:2104:1: warning: 'struct in_addr' declared inside parameter list ../.././libmudflap/mf-hooks2.c:2104:1: warning: its scope is only this definition or declaration, which is probably not what you want ../.././libmudflap/mf-hooks2.c:2104:1: error: parameter 1 ('in') has incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_inet_ntoa': ../.././libmudflap/mf-hooks2.c:2110:3: warning: implicit declaration of function 'inet_ntoa' ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getprotoent': ../.././libmudflap/mf-hooks2.c:2123:3: warning: implicit declaration of function 'getprotoent' ../.././libmudflap/mf-hooks2.c:2123:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2125:32: error: dereferencing pointer to incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getprotobyname': ../.././libmudflap/mf-hooks2.c:2137:3: warning: implicit declaration of function 'getprotobyname' ../.././libmudflap/mf-hooks2.c:2137:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2139:32: error: dereferencing pointer to incomplete type ../.././libmudflap/mf-hooks2.c: In function '__mfwrap_getprotobynumber': ../.././libmudflap/mf-hooks2.c:2150:3: warning: implicit declaration of function 'getprotobynumber' ../.././libmudflap/mf-hooks2.c:2150:7: warning: assignment makes pointer from integer without a cast ../.././libmudflap/mf-hooks2.c:2152:32: error: dereferencing pointer to incomplete type make[4]: *** [mf-hooks2.lo] Error 1 Thanks, Ravish