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From f64f853eae3b390adbbc9b74a336d93918e6dca4 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Sat, 7 Nov 2015 02:08:05 +0000
Subject: [PATCH 14/30] nopie

---
 gcc/configure    | 27 +++++++++++++++++++++++++++
 gcc/configure.ac | 13 +++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/gcc/configure b/gcc/configure
index 90e3be864f8..951a093b459 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -30774,6 +30774,33 @@ 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 f42006e5476..fe392298016 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -6858,6 +6858,19 @@ 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])
 
-- 
2.27.0