| Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 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 | ) |