Jivin Mike Frysinger lays it down ...
> We should link against -lc before any of the binutils libs (libiberty/bfd)
> as those libs provide replacements for some common functions we don't really
> care about (like getopt). Otherwise, if the C library does something wacky
> in its API (like renaming symbols), we get a desync where some symbols are
> provided by the binutils libs while others are provided by the C library.
>
> For a concrete example, try building elf2flt on OS X 10.5. Their stupid
> headers do this in unistd.h:
> int getopt(int, char * const [], const char *) __asm("_" "getopt"
> "$UNIX2003");
> The resulting elf2flt binaries are incapable of properly parsing any option
> given to them.
>
> Signed-off-by: Mike Frysinger <[EMAIL PROTECTED]>
Applied, Thanks.
Cheers,
Davidm
> ---
> configure.in | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/configure.in b/configure.in
> index 42be556..5ab8983 100644
> --- a/configure.in
> +++ b/configure.in
> @@ -135,6 +135,13 @@ Run configure again specifying these options:
> ])
> fi
>
> +dnl Make sure we resolve system symbols before libiberty/libbfd ones.
> +dnl Otherwise, things like getopt get screwed up because the system headers
> +dnl redirect some functions to the system symbols, but other local symbols
> +dnl come from libiberty/libbfd.
> +dnl int getopt(int, char * const [], const char *) __asm("_" "getopt"
> "$UNIX2003");
> +AC_CHECK_LIB(c, malloc, LIBS="-lc $LIBS")
> +
> dnl Checks for header files.
> AC_HEADER_STDC
> AC_CHECK_HEADERS(fcntl.h unistd.h bfd.h)
> --
> 1.6.0.3
>
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--
David McCullough, [EMAIL PROTECTED], Ph:+61 734352815
Secure Computing - SnapGear http://www.uCdot.org http://www.snapgear.com
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