patches/gcc/0014-nopie.patch

   1 From db28b1e0f3b06325026ec5b5e7cdca4e9992e05c Mon Sep 17 00:00:00 2001
   2 From: Szabolcs Nagy <nsz@port70.net>
   3 Date: Sat, 7 Nov 2015 02:08:05 +0000
   4 Subject: [PATCH] nopie
   5
   6 ---
   7  gcc/configure    | 27 +++++++++++++++++++++++++++
   8  gcc/configure.ac | 13 +++++++++++++
   9  2 files changed, 40 insertions(+)
  10
  11 diff --git a/gcc/configure b/gcc/configure
  12 index e9060112384..2f6b3265a6c 100755
  13 --- a/gcc/configure
  14 +++ b/gcc/configure
  15 @@ -32497,6 +32497,33 @@ fi
  16  $as_echo "$gcc_cv_no_pie" >&6; }
  17  if test "$gcc_cv_no_pie" = "yes"; then
  18    NO_PIE_FLAG="-no-pie"
  19 +else
  20 +  # Check if -nopie works.
  21 +  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -nopie option" >&5
  22 +$as_echo_n "checking for -nopie option... " >&6; }
  23 +if test "${gcc_cv_nopie+set}" = set; then :
  24 +  $as_echo_n "(cached) " >&6
  25 +else
  26 +  saved_LDFLAGS="$LDFLAGS"
  27 +     LDFLAGS="$LDFLAGS -nopie"
  28 +     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
  29 +/* end confdefs.h.  */
  30 +int main(void) {return 0;}
  31 +_ACEOF
  32 +if ac_fn_cxx_try_link "$LINENO"; then :
  33 +  gcc_cv_nopie=yes
  34 +else
  35 +  gcc_cv_nopie=no
  36 +fi
  37 +rm -f core conftest.err conftest.$ac_objext \
  38 +    conftest$ac_exeext conftest.$ac_ext
  39 +     LDFLAGS="$saved_LDFLAGS"
  40 +fi
  41 +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_nopie" >&5
  42 +$as_echo "$gcc_cv_nopie" >&6; }
  43 +  if test "$gcc_cv_nopie" = "yes"; then
  44 +    NO_PIE_FLAG="-nopie"
  45 +  fi
  46  fi
  47
  48
  49 diff --git a/gcc/configure.ac b/gcc/configure.ac
  50 index 75a7048045c..e683d3a7a5f 100644
  51 --- a/gcc/configure.ac
  52 +++ b/gcc/configure.ac
  53 @@ -7681,6 +7681,19 @@ AC_CACHE_CHECK([for -no-pie option],
  54     LDFLAGS="$saved_LDFLAGS"])
  55  if test "$gcc_cv_no_pie" = "yes"; then
  56    NO_PIE_FLAG="-no-pie"
  57 +else
  58 +  # Check if -nopie works.
  59 +  AC_CACHE_CHECK([for -nopie option],
  60 +    [gcc_cv_nopie],
  61 +    [saved_LDFLAGS="$LDFLAGS"
  62 +     LDFLAGS="$LDFLAGS -nopie"
  63 +     AC_LINK_IFELSE([int main(void) {return 0;}],
  64 +       [gcc_cv_nopie=yes],
  65 +       [gcc_cv_nopie=no])
  66 +     LDFLAGS="$saved_LDFLAGS"])
  67 +  if test "$gcc_cv_nopie" = "yes"; then
  68 +    NO_PIE_FLAG="-nopie"
  69 +  fi
  70  fi
  71  AC_SUBST([NO_PIE_FLAG])
  72