main/gcc: upgrade to 6.1.0

- use --enable-default-pie
- patch bind now, ssp-strong, fortify and as-needed to be defaults
- remove gentoo esp patches as unneeded (deprecated by the above)
- update ecj
- remove upstreamed musl patches, add current musl patches
- support musl's static pie
- fix some bootstrapping related issues

1 files changed, 75 insertions, 0 deletions

diff --git a/main/gcc/205-nopie.patch b/main/gcc/205-nopie.patch
new file mode 100644
index 0000000000..e3da94d105
--- /dev/null
+++ b/main/gcc/205-nopie.patch
@@ -0,0 +1,75 @@
+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
+@@ -29390,6 +29390,33 @@ 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
+@@ -6098,6 +6098,19 @@ 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
+