From 374cef32ac36d956f75ccc6416872498bbe66e82 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Wed, 20 Jan 2021 12:26:31 +0000 Subject: configure: Check for static PIE support Add SUPPORT_STATIC_PIE that targets can define if they support static PIE. This requires PI_STATIC_AND_HIDDEN support and various linker features as described in commit 9d7a3741c9e59eba87fb3ca6b9f979befce07826 Add --enable-static-pie configure option to build static PIE [BZ #19574] Currently defined on x86_64, i386 and aarch64 where static PIE is known to work. Reviewed-by: Adhemerval Zanella --- sysdeps/x86_64/configure | 3 +++ sysdeps/x86_64/configure.ac | 3 +++ 2 files changed, 6 insertions(+) (limited to 'sysdeps/x86_64') diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure index 84f82c2406..198554d788 100644 --- a/sysdeps/x86_64/configure +++ b/sysdeps/x86_64/configure @@ -143,5 +143,8 @@ fi $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h +$as_echo "#define SUPPORT_STATIC_PIE 1" >>confdefs.h + + test -n "$critic_missing" && as_fn_error $? " *** $critic_missing" "$LINENO" 5 diff --git a/sysdeps/x86_64/configure.ac b/sysdeps/x86_64/configure.ac index cdaba0c075..ec776274af 100644 --- a/sysdeps/x86_64/configure.ac +++ b/sysdeps/x86_64/configure.ac @@ -82,5 +82,8 @@ dnl It is always possible to access static and hidden symbols in an dnl position independent way. AC_DEFINE(PI_STATIC_AND_HIDDEN) +dnl Static PIE is supported. +AC_DEFINE(SUPPORT_STATIC_PIE) + test -n "$critic_missing" && AC_MSG_ERROR([ *** $critic_missing]) -- cgit 1.4.1