bcf99d2d99
Building binaries as PIE allows the executable itself to be loaded at a random address when ASLR is enabled (not just its shared libraries). With this change PIE objects have a .pieo extension and INTERNALLIB libraries libXXX_pie.a. MK_PIE is disabled for some kerberos5 tools, Clang, and Subversion, as they explicitly reference .a libraries in their Makefiles. These can be addressed on an individual basis later. MK_PIE is also disabled for rtld-elf because it is already position-independent using bespoke Makefile rules. Currently only dynamically linked binaries will be built as PIE. Discussed with: dim Reviewed by: kib MFC after: 1 month Relnotes: Yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18423
63 lines
1.9 KiB
Makefile
63 lines
1.9 KiB
Makefile
# $FreeBSD$
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.include <src.opts.mk>
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MK_PIE:= no # Explicit libXXX.a references
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.if ${MK_SVN} == "yes"
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SVNLITE?=
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.else
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SVNLITE?= lite
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.endif
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PACKAGE= svn
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.if !defined(SVNDIR)
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SVNDIR= ${SRCTOP}/contrib/subversion/subversion
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APRU= ${SRCTOP}/contrib/apr-util
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APR= ${SRCTOP}/contrib/apr
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WARNS?= 0 # definitely not warns friendly
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.sinclude "${.CURDIR:H:H}/Makefile.inc"
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LIBAPRDIR= ${.OBJDIR:H}/lib/libapr
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LIBAPR_UTILDIR= ${.OBJDIR:H}/lib/libapr_util
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LIBSERFDIR= ${.OBJDIR:H}/lib/libserf
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LIBSVN_CLIENTDIR= ${.OBJDIR:H}/lib/libsvn_client
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LIBSVN_DELTADIR= ${.OBJDIR:H}/lib/libsvn_delta
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LIBSVN_DIFFDIR= ${.OBJDIR:H}/lib/libsvn_diff
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LIBSVN_FSDIR= ${.OBJDIR:H}/lib/libsvn_fs
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LIBSVN_FS_FSDIR= ${.OBJDIR:H}/lib/libsvn_fs_fs
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LIBSVN_FS_UTILDIR= ${.OBJDIR:H}/lib/libsvn_fs_util
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LIBSVN_FS_XDIR= ${.OBJDIR:H}/lib/libsvn_fs_x
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LIBSVN_RADIR= ${.OBJDIR:H}/lib/libsvn_ra
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LIBSVN_RA_LOCALDIR= ${.OBJDIR:H}/lib/libsvn_ra_local
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LIBSVN_RA_SVNDIR= ${.OBJDIR:H}/lib/libsvn_ra_svn
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LIBSVN_RA_SERFDIR= ${.OBJDIR:H}/lib/libsvn_ra_serf
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LIBSVN_REPOSDIR= ${.OBJDIR:H}/lib/libsvn_repos
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LIBSVN_SUBRDIR= ${.OBJDIR:H}/lib/libsvn_subr
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LIBSVN_WCDIR= ${.OBJDIR:H}/lib/libsvn_wc
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LIBAPR= ${LIBAPRDIR}/libapr.a
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LIBAPR_UTIL= ${LIBAPR_UTILDIR}/libapr-util.a
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LIBSERF= ${LIBSERFDIR}/libserf.a
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LIBSVN_CLIENT= ${LIBSVN_CLIENTDIR}/libsvn_client.a
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LIBSVN_DELTA= ${LIBSVN_DELTADIR}/libsvn_delta.a
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LIBSVN_DIFF= ${LIBSVN_DIFFDIR}/libsvn_diff.a
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LIBSVN_FS= ${LIBSVN_FSDIR}/libsvn_fs.a
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LIBSVN_FS_FS= ${LIBSVN_FS_FSDIR}/libsvn_fs_fs.a
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LIBSVN_FS_UTIL= ${LIBSVN_FS_UTILDIR}/libsvn_fs_util.a
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LIBSVN_FS_X= ${LIBSVN_FS_XDIR}/libsvn_fs_x.a
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LIBSVN_RA= ${LIBSVN_RADIR}/libsvn_ra.a
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LIBSVN_RA_LOCAL= ${LIBSVN_RA_LOCALDIR}/libsvn_ra_local.a
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LIBSVN_RA_SVN= ${LIBSVN_RA_SVNDIR}/libsvn_ra_svn.a
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LIBSVN_RA_SERF= ${LIBSVN_RA_SERFDIR}/libsvn_ra_serf.a
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LIBSVN_REPOS= ${LIBSVN_REPOSDIR}/libsvn_repos.a
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LIBSVN_SUBR= ${LIBSVN_SUBRDIR}/libsvn_subr.a
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LIBSVN_WC= ${LIBSVN_WCDIR}/libsvn_wc.a
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.endif
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