1 dnl AX_BINUTILS - check for needed binutils stuff 2 3 AC_DEFUN([AX_BINUTILS], 4 [ 5 dnl some distro have a libiberty.a but does not have a libiberty.h 6 AC_CHECK_HEADERS(libiberty.h) 7 AC_CHECK_LIB(iberty, cplus_demangle,, AC_MSG_ERROR([liberty library not found])) 8 AC_CHECK_FUNCS(xcalloc) 9 AC_CHECK_FUNCS(xmemdup) 10 AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl"; DL_LIB="-ldl", DL_LIB="") 11 AC_CHECK_LIB(intl, main, LIBS="$LIBS -lintl"; INTL_LIB="-lintl", INTL_LIB="") 12 13 AC_CHECK_LIB(bfd, bfd_openr, LIBS="-lbfd $LIBS"; Z_LIB="", 14 [AC_CHECK_LIB(z, compress, 15 dnl Use a different bfd function here so as not to use cached result from above 16 [AC_CHECK_LIB(bfd, bfd_fdopenr, LIBS="-lbfd -lz $LIBS"; Z_LIB="-lz", 17 [AC_MSG_ERROR([bfd library not found])], -lz) 18 ], 19 [AC_MSG_ERROR([libz library not found; required by libbfd])]) 20 ] 21 ) 22 23 AC_LANG_PUSH(C) 24 # Determine if bfd_get_synthetic_symtab macro is available 25 OS="`uname`" 26 if test "$OS" = "Linux"; then 27 AC_MSG_CHECKING([whether bfd_get_synthetic_symtab() exists in BFD library]) 28 rm -f test-for-synth 29 AC_LANG_CONFTEST( 30 [AC_LANG_PROGRAM([[#include <bfd.h>]], 31 [[asymbol * synthsyms; bfd * ibfd = 0; 32 long synth_count = bfd_get_synthetic_symtab(ibfd, 0, 0, 0, 0, &synthsyms); 33 extern const bfd_target bfd_elf64_powerpc_vec; 34 extern const bfd_target bfd_elf64_powerpcle_vec; 35 char * ppc_name = bfd_elf64_powerpc_vec.name; 36 char * ppcle_name = bfd_elf64_powerpcle_vec.name; 37 printf("%s %s\n", ppc_name, ppcle_name);]]) 38 ]) 39 $CC conftest.$ac_ext $CFLAGS $LDFLAGS $LIBS -o test-for-synth > /dev/null 2>&1 40 if test -f test-for-synth; then 41 echo "yes" 42 SYNTHESIZE_SYMBOLS='1' 43 else 44 echo "no" 45 SYNTHESIZE_SYMBOLS='0' 46 fi 47 AC_DEFINE_UNQUOTED(SYNTHESIZE_SYMBOLS, $SYNTHESIZE_SYMBOLS, [Synthesize special symbols when needed]) 48 rm -f test-for-synth* 49 50 fi 51 AC_LANG_POP(C) 52 ] 53 ) 54
