blob: 262749d6237e0e79913039b1105e234aa819e387 (
plain) (
tree)
|
|
From b6015aca9c9cc83739fd0ed637a835119b2c4e34 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Sat, 7 Nov 2015 02:08:05 +0000
Subject: [PATCH 5/6] nopie
---
gcc/configure | 27 +++++++++++++++++++++++++++
gcc/configure.ac | 13 +++++++++++++
2 files changed, 40 insertions(+)
diff --git a/gcc/configure b/gcc/configure
index 1c6e340..7e8b5d6 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -32441,6 +32441,33 @@ fi
$as_echo "$gcc_cv_no_pie" >&6; }
if test "$gcc_cv_no_pie" = "yes"; then
NO_PIE_FLAG="-no-pie"
+else
+ # Check if -nopie works.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -nopie option" >&5
+$as_echo_n "checking for -nopie option... " >&6; }
+if test "${gcc_cv_nopie+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ saved_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -nopie"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(void) {return 0;}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ gcc_cv_nopie=yes
+else
+ gcc_cv_nopie=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS="$saved_LDFLAGS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_nopie" >&5
+$as_echo "$gcc_cv_nopie" >&6; }
+ if test "$gcc_cv_nopie" = "yes"; then
+ NO_PIE_FLAG="-nopie"
+ fi
fi
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 6c1dcd9..0ca7647 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -7621,6 +7621,19 @@ AC_CACHE_CHECK([for -no-pie option],
LDFLAGS="$saved_LDFLAGS"])
if test "$gcc_cv_no_pie" = "yes"; then
NO_PIE_FLAG="-no-pie"
+else
+ # Check if -nopie works.
+ AC_CACHE_CHECK([for -nopie option],
+ [gcc_cv_nopie],
+ [saved_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -nopie"
+ AC_LINK_IFELSE([int main(void) {return 0;}],
+ [gcc_cv_nopie=yes],
+ [gcc_cv_nopie=no])
+ LDFLAGS="$saved_LDFLAGS"])
+ if test "$gcc_cv_nopie" = "yes"; then
+ NO_PIE_FLAG="-nopie"
+ fi
fi
AC_SUBST([NO_PIE_FLAG])
--
2.8.1
|
