75 lines
2 KiB
Diff
75 lines
2 KiB
Diff
From f64f853eae3b390adbbc9b74a336d93918e6dca4 Mon Sep 17 00:00:00 2001
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From: Szabolcs Nagy <nsz@port70.net>
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Date: Sat, 7 Nov 2015 02:08:05 +0000
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Subject: [PATCH 14/30] nopie
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---
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gcc/configure | 27 +++++++++++++++++++++++++++
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gcc/configure.ac | 13 +++++++++++++
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2 files changed, 40 insertions(+)
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diff --git a/gcc/configure b/gcc/configure
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index 90e3be864f8..951a093b459 100755
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -30774,6 +30774,33 @@ fi
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$as_echo "$gcc_cv_no_pie" >&6; }
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if test "$gcc_cv_no_pie" = "yes"; then
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NO_PIE_FLAG="-no-pie"
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+else
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+ # Check if -nopie works.
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -nopie option" >&5
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+$as_echo_n "checking for -nopie option... " >&6; }
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+if test "${gcc_cv_nopie+set}" = set; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ saved_LDFLAGS="$LDFLAGS"
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+ LDFLAGS="$LDFLAGS -nopie"
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+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+int main(void) {return 0;}
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+_ACEOF
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+if ac_fn_cxx_try_link "$LINENO"; then :
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+ gcc_cv_nopie=yes
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+else
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+ gcc_cv_nopie=no
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+fi
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+rm -f core conftest.err conftest.$ac_objext \
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+ conftest$ac_exeext conftest.$ac_ext
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+ LDFLAGS="$saved_LDFLAGS"
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+fi
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_nopie" >&5
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+$as_echo "$gcc_cv_nopie" >&6; }
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+ if test "$gcc_cv_nopie" = "yes"; then
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+ NO_PIE_FLAG="-nopie"
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+ fi
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fi
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diff --git a/gcc/configure.ac b/gcc/configure.ac
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index f42006e5476..fe392298016 100644
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--- a/gcc/configure.ac
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+++ b/gcc/configure.ac
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@@ -6858,6 +6858,19 @@ AC_CACHE_CHECK([for -no-pie option],
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LDFLAGS="$saved_LDFLAGS"])
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if test "$gcc_cv_no_pie" = "yes"; then
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NO_PIE_FLAG="-no-pie"
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+else
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+ # Check if -nopie works.
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+ AC_CACHE_CHECK([for -nopie option],
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+ [gcc_cv_nopie],
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+ [saved_LDFLAGS="$LDFLAGS"
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+ LDFLAGS="$LDFLAGS -nopie"
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+ AC_LINK_IFELSE([int main(void) {return 0;}],
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+ [gcc_cv_nopie=yes],
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+ [gcc_cv_nopie=no])
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+ LDFLAGS="$saved_LDFLAGS"])
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+ if test "$gcc_cv_nopie" = "yes"; then
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+ NO_PIE_FLAG="-nopie"
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+ fi
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fi
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AC_SUBST([NO_PIE_FLAG])
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--
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2.27.0
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