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authorAndreas Schneider <asn@samba.org>2013-07-05 08:13:56 +0200
committerJeremy Allison <jra@samba.org>2013-07-09 13:00:37 -0700
commit191e6b9441d6789ecc16a3a80eb36ec5b410c083 (patch)
treed0c98fb7f4bf4a7c032861c5089c3371a5f37e27 /buildtools/wafsamba/wafsamba.py
parentaef8aad638b916026651d900b91e963897b31c1a (diff)
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waf: Build with RELRO if supported by the compiler.
Make sure we create binaries with full RELocation Read-Only support. See https://isisblogs.poly.edu/2011/06/01/relro-relocation-read-only/ for more details. The default is to check if the compiler supports RELRO and then enable it. Specifying '--with-relro' will make it mandatory and '--without-relro' will disable it. Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'buildtools/wafsamba/wafsamba.py')
-rw-r--r--buildtools/wafsamba/wafsamba.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/buildtools/wafsamba/wafsamba.py b/buildtools/wafsamba/wafsamba.py
index aaa09392f1..caa6fb128d 100644
--- a/buildtools/wafsamba/wafsamba.py
+++ b/buildtools/wafsamba/wafsamba.py
@@ -348,6 +348,8 @@ def SAMBA_BINARY(bld, binname, source,
if bld.env['ENABLE_PIE'] == True:
pie_cflags += ' -fPIE'
pie_ldflags.extend(TO_LIST('-pie'))
+ if bld.env['ENABLE_RELRO'] == True:
+ pie_ldflags.extend(TO_LIST('-Wl,-z,relro,-z,now'))
# first create a target for building the object files for this binary
# by separating in this way, we avoid recompiling the C files