5cef6135da
Copy Alpine's gcc6 aport to temp. They don't have it built for aarch64 and armhf at the moment. Due to dependency checks, this means we can't build the kernels that need gcc6, even when cross compiling with gcc6-armhf etc. See #138 for details.
76 lines
2.0 KiB
Diff
76 lines
2.0 KiB
Diff
From b6015aca9c9cc83739fd0ed637a835119b2c4e34 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 5/6] 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 1c6e340..7e8b5d6 100755
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -29390,6 +29390,33 @@ 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 6c1dcd9..0ca7647 100644
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--- a/gcc/configure.ac
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+++ b/gcc/configure.ac
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@@ -6098,6 +6098,19 @@ 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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2.8.1
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