diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/configure b/configure index fc023d0c70..3ee1848b30 100755 --- a/configure +++ b/configure @@ -7268,6 +7268,44 @@ if test $libc_cv_predef_stack_protector = yes; then fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker provides __ehdr_start" >&5 +$as_echo_n "checking whether the linker provides __ehdr_start... " >&6; } +if ${libc_cv_ehdr_start+:} false; then : + $as_echo_n "(cached) " >&6 +else + +old_CFLAGS="$CFLAGS" +old_LDFLAGS="$LDFLAGS" +old_LIBS="$LIBS" +CFLAGS="$CFLAGS -fPIC" +LDFLAGS="$LDFLAGS -nostdlib -nostartfiles -shared" +LIBS= +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +extern const char __ehdr_start __attribute__ ((visibility ("hidden"))); +const char *ehdr (void) { return &__ehdr_start; } + +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + libc_cv_ehdr_start=yes +else + libc_cv_ehdr_start=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +CFLAGS="$old_CFLAGS" +LDFLAGS="$old_LDFLAGS" +LIBS="$old_LIBS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ehdr_start" >&5 +$as_echo "$libc_cv_ehdr_start" >&6; } +if test $libc_cv_ehdr_start = yes; then + $as_echo "#define HAVE_EHDR_START 1" >>confdefs.h + +fi + ### End of automated tests. ### Now run sysdeps configure fragments. |