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be04fec426
This is a mostly-unmodified copy of the various *_chk implementations and headers from NetBSD, without yet modifying system headers to start actually including them. A future commit will also apply the needed bits to fix ssp/unistd.h. Reviewed by: imp, pauamma_gundo.com (both previous versions), kib Sponsored by: Stormshield Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D32306
38 lines
1 KiB
Makefile
38 lines
1 KiB
Makefile
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PACKAGE= clibs
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SHLIBDIR?= /lib
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SHLIB= ssp
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SHLIB_MAJOR= 0
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SSP_SRCS= gets_chk.c fgets_chk.c memcpy_chk.c memmove_chk.c memset_chk.c \
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snprintf_chk.c sprintf_chk.c stpcpy_chk.c stpncpy_chk.c \
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strcat_chk.c strcpy_chk.c strncat_chk.c strncpy_chk.c \
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vsnprintf_chk.c vsprintf_chk.c
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.for i in ${SSP_SRCS}
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SRCS+=${i}
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.endfor
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CFLAGS.snprintf_chk.c+= -Wno-unused-parameter
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CFLAGS.sprintf_chk.c+= -Wno-unused-parameter
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CFLAGS.vsnprintf_chk.c+= -Wno-unused-parameter
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CFLAGS.vsprintf_chk.c+= -Wno-unused-parameter
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MAN+= ssp.3 __builtin_object_size.3
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VERSION_DEF= ${.CURDIR}/Versions.def
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SYMBOL_MAPS= ${.CURDIR}/Symbol.map
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.PATH: ${SRCTOP}/lib/libc/secure
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CFLAGS+= -I${SRCTOP}/lib/libc/include
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# _elf_aux_info is exported from libc as elf_aux_info(3), so just that for the
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# libssp build instead.
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CFLAGS+= -D_elf_aux_info=elf_aux_info
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SRCS+= stack_protector.c
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# Stack protection on libssp symbols should be considered harmful, as we may
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# be talking about, for example, the guard setup constructor.
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SSP_CFLAGS:=
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.include <bsd.lib.mk>
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