On Fri, Oct 16, 2015 at 10:21:50AM -0500, Michael Cronenworth wrote:
> Prelink was used to rewrite binares and set their text segment, but
> modern linkers support setting the value at link time. Prelink is
> being retired by upstream.
>
> Signed-off-by: Michael Cronenworth <mike(a)cchtml.com>
Can confirm it works on SUSE too.
Signed-Off-By: Marcus Meissner <marcus(a)jet.franken.de>
> ---
> configure.ac | 11 ++++++++---
> tools/winegcc/winegcc.c | 11 +++++++++--
> 2 files changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index de8cde5..f283802 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -988,10 +988,15 @@ wine-installed: main.o
> *) LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x7bf00400" ;;
> esac
> ])
> - AC_PATH_PROG(PRELINK, prelink, false, [/sbin /usr/sbin $PATH])
> - if test "x$PRELINK" = xfalse
> + WINE_TRY_CFLAGS([-Wl,-Ttext-segment=0x7bc00000],
> + [HAVE_TTEXT_SEGMENT="yes"])
> + if test "x$HAVE_TTEXT_SEGMENT" != "xyes"
> then
> - WINE_WARNING([prelink not found, base address of core dlls won't be set correctly.])
> + AC_PATH_PROG(PRELINK, prelink, false, [/sbin /usr/sbin $PATH])
> + if test "x$PRELINK" = xfalse
> + then
> + WINE_WARNING([prelink not found and linker does not support relocation, base address of core dlls won't be set correctly.])
> + fi
> fi
> ;;
> esac
> diff --git a/tools/winegcc/winegcc.c b/tools/winegcc/winegcc.c
> index 3b2794e..4acd12d 100644
> --- a/tools/winegcc/winegcc.c
> +++ b/tools/winegcc/winegcc.c
> @@ -1134,6 +1134,12 @@ static void build(struct options* opts)
> }
> break;
> default:
> + /* Try option first, modern linkers support this */
> + if (opts->image_base &&
> + !try_link(opts->prefix, link_args, strmake("-Wl,-Ttext-segment=%s", opts->image_base)))
> + {
> + strarray_add(link_args, strmake("-Wl,-Ttext-segment=%s", opts->image_base));
> + }
> break;
> }
>
> @@ -1167,8 +1173,9 @@ static void build(struct options* opts)
> spawn(opts->prefix, link_args, 0);
> strarray_free (link_args);
>
> - /* set the base address */
> - if (opts->image_base && !opts->target)
> + /* set the base address with prelink if linker support is not present */
> + if (opts->image_base && !opts->target &&
> + try_link(opts->prefix, link_args, strmake("-Wl,-Ttext-segment=%s", opts->image_base)))
> {
> const char *prelink = PRELINK;
> if (prelink[0] && strcmp(prelink,"false"))
> --
> 2.4.3
>
>
>
>