diff options
Diffstat (limited to 'system/gcc/205-nopie.patch')
| -rw-r--r-- | system/gcc/205-nopie.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/system/gcc/205-nopie.patch b/system/gcc/205-nopie.patch new file mode 100644 index 000000000..e3da94d10 --- /dev/null +++ b/system/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 + |