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dnl AX_BINUTILS - check for needed binutils stuff
AC_DEFUN([AX_BINUTILS],
[
dnl some distro have a libiberty.a but does not have a libiberty.h
AC_CHECK_HEADERS(libiberty.h)
AC_CHECK_LIB(iberty, cplus_demangle,, AC_MSG_ERROR([liberty library not found]))
AC_CHECK_FUNCS(xcalloc)
AC_CHECK_FUNCS(xmemdup)
AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl"; DL_LIB="-ldl", DL_LIB="")
AC_CHECK_LIB(intl, main, LIBS="$LIBS -lintl"; INTL_LIB="-lintl", INTL_LIB="")
AC_CHECK_LIB(bfd, bfd_openr, LIBS="-lbfd $LIBS"; Z_LIB="",
[AC_CHECK_LIB(z, compress,
dnl Use a different bfd function here so as not to use cached result from above
[AC_CHECK_LIB(bfd, bfd_fdopenr, LIBS="-lbfd -lz $LIBS"; Z_LIB="-lz",
[AC_MSG_ERROR([bfd library not found])], -lz)
],
[AC_MSG_ERROR([libz library not found; required by libbfd])])
]
)
AC_LANG_PUSH(C)
# Determine if bfd_get_synthetic_symtab macro is available
OS="`uname`"
if test "$OS" = "Linux"; then
AC_MSG_CHECKING([whether bfd_get_synthetic_symtab() exists in BFD library])
rm -f test-for-synth
AC_LANG_CONFTEST(
[AC_LANG_PROGRAM([[#include <bfd.h>]],
[[asymbol * synthsyms; bfd * ibfd = 0;
long synth_count = bfd_get_synthetic_symtab(ibfd, 0, 0, 0, 0, &synthsyms);
extern const bfd_target bfd_elf64_powerpc_vec;
extern const bfd_target bfd_elf64_powerpcle_vec;
char * ppc_name = bfd_elf64_powerpc_vec.name;
char * ppcle_name = bfd_elf64_powerpcle_vec.name;
printf("%s %s\n", ppc_name, ppcle_name);]])
])
$CC conftest.$ac_ext $CFLAGS $LDFLAGS $LIBS -o test-for-synth > /dev/null 2>&1
if test -f test-for-synth; then
echo "yes"
SYNTHESIZE_SYMBOLS='1'
else
echo "no"
SYNTHESIZE_SYMBOLS='0'
fi
AC_DEFINE_UNQUOTED(SYNTHESIZE_SYMBOLS, $SYNTHESIZE_SYMBOLS, [Synthesize special symbols when needed])
rm -f test-for-synth*
fi
AC_LANG_POP(C)
]
)
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