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31 lines
1.0 KiB
Makefile
31 lines
1.0 KiB
Makefile
# $FreeBSD$
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# SSP Support
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SSP_Include_MAINTAINER= portmgr@FreeBSD.org
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# See: http://svnweb.freebsd.org/base/head/lib/libc/libc.ldscript?revision=251668&view=markup
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.if ${OSVERSION} < 1000036 && ${ARCH} == i386
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# Disabled on i386 for now on releases without the ldscript as too many ports
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# do not respect LDFLAGS and fail to build due to not adding in -lssp_nonshared when needed
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# despite dependencies working fine, which breaks a lot. Can enable once LDFLAGS is more
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# supported. XXX
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SSP_UNSAFE= yes
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# i386 needs -lssp_nonshared, see svn link above for more information
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SSP_NEED_NONSHARED= yes
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.endif
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.if !defined(WITHOUT_SSP) && !defined(SSP_UNSAFE) && \
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(${ARCH} == i386 || ${ARCH} == amd64)
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# Overridable as a user may want to use -fstack-protector-all
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SSP_CFLAGS?= -fstack-protector
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CFLAGS+= ${SSP_CFLAGS}
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LDFLAGS+= -fstack-protector
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# -lssp_nonshared is needed on i386 where /usr/lib/libc.so is not an ldscript
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# This is currently unused XXX
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. if defined(SSP_NEED_NONSHARED)
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LDFLAGS+= -lssp_nonshared
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. endif
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.endif
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