[Buildroot] [PATCH 6/6] tpm2-tools: allow building without stack smashing protection (SSP)

Carlos Santos casantos at datacom.ind.br
Thu Mar 22 20:27:52 UTC 2018


Disable SSP if the toolchain does not support it. This must be done
explicitly because configure enables hardening by default but doesn't
contain a link test, so it doesn't detect when libssp is missing.

Signed-off-by: Carlos Santos <casantos at datacom.ind.br>
---
 package/tpm2-tools/tpm2-tools.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/tpm2-tools/tpm2-tools.mk b/package/tpm2-tools/tpm2-tools.mk
index 0697900d2d..8d2cfa2cb2 100644
--- a/package/tpm2-tools/tpm2-tools.mk
+++ b/package/tpm2-tools/tpm2-tools.mk
@@ -10,4 +10,8 @@ TPM2_TOOLS_LICENSE = BSD-2-Clause
 TPM2_TOOLS_LICENSE_FILES = LICENSE
 TPM2_TOOLS_DEPENDENCIES = dbus libcurl libglib2 openssl tpm2-tss host-pkgconf
 
+# configure.ac doesn't contain a link test, so it doesn't detect when 
+# libssp is missing.
+TPM2_TOOLS_CONF_OPTS = $(if $(BR2_TOOLCHAIN_HAS_SSP),--enable-hardening,--disable-hardening)
+
 $(eval $(autotools-package))
-- 
2.14.3




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