Liming Gao 2f7f1e73c1 BaseTools: Add the missing -pie link option in GCC tool chain
https://bugzilla.tianocore.org/show_bug.cgi?id=671
GCC tool chain uses -fpie in CC_FLAGS. So, add -pie in DLINK_FLAGS.
More discussion in
https://lists.01.org/pipermail/edk2-devel/2017-August/013508.html

3.13 Options for Linking
========================
'-pie'
     Produce a position independent executable on targets that support
     it.  For predictable results, you must also specify the same set
     of options used for compilation ('-fpie', '-fPIE', or model
     suboptions) when you specify this linker option.

3.18 Options for Code Generation Conventions
============================================
'-fpie'
'-fPIE'
     These options are similar to '-fpic' and '-fPIC', but generated
     position independent code can be only linked into executables.
     Usually these options are used when '-pie' GCC option is used
     during linking.
     '-fpie' and '-fPIE' both define the macros '__pie__' and
     '__PIE__'. The macros have the value 1 for '-fpie' and 2 for
     '-fPIE'.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2017-08-25 11:19:56 +08:00
2014-10-14 16:08:15 +00:00

EDK II Project

A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.

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