diff options
Diffstat (limited to 'gcc/configure.in')
| -rw-r--r-- | gcc/configure.in | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/configure.in b/gcc/configure.in index f0e5d75..a37f1cc 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -2631,6 +2631,24 @@ if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then fi AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) +AC_MSG_CHECKING(linker position independent executable support) +gcc_cv_ld_pie=no +if test $in_tree_ld = yes ; then + if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then + gcc_cv_ld_pie=yes + fi +elif test x$gcc_cv_ld != x; then + # Check if linker supports -pie option + if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then + gcc_cv_ld_pie=yes + fi +fi +if test x"$gcc_cv_ld_pie" = xyes; then + AC_DEFINE(HAVE_LD_PIE, 1, +[Define if your linker supports -pie option.]) +fi +AC_MSG_RESULT($gcc_cv_ld_pie) + # Miscellaneous target-specific checks. case "$target" in mips*-*-*) |