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[pkgsrc/trunk]: pkgsrc/lang/ghc88 Add an additional note on PaX mprotect and ...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/b4f612de1f63
branches:  trunk
changeset: 421780:b4f612de1f63
user:      pho <pho%pkgsrc.org@localhost>
date:      Sat Jan 18 13:43:38 2020 +0000

description:
Add an additional note on PaX mprotect and ASLR

diffstat:

 lang/ghc88/Makefile |  12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diffs (26 lines):

diff -r 741f389e9c2e -r b4f612de1f63 lang/ghc88/Makefile
--- a/lang/ghc88/Makefile       Sat Jan 18 13:16:35 2020 +0000
+++ b/lang/ghc88/Makefile       Sat Jan 18 13:43:38 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.8 2020/01/18 12:35:45 pho Exp $
+# $NetBSD: Makefile,v 1.9 2020/01/18 13:43:38 pho Exp $
 # -----------------------------------------------------------------------------
 # Package metadata
 #
@@ -110,6 +110,16 @@
 NOT_PAX_MPROTECT_SAFE+=        lib/${PKGNAME_NOREV}/bin/${f}
 NOT_PAX_ASLR_SAFE+=    lib/${PKGNAME_NOREV}/bin/${f}
 .endfor
+# Additional note: Now that DYNAMIC_GHC_PROGRAMS is enabled by
+# default, we no longer need to disable PaX ASLR because the RTS
+# linker is not used... except for ghc-iserv. The program is launched
+# when ghci is started with -fexternal-interpreter without
+# -dynamic. Its purpose is to run non-PIC code from a dynamically
+# linked ghci, and therefore still uses RTS linker. Also note that RTS
+# linker requires PaX mprotect to be disabled too. This means that
+# once the merge request mentioned above is merged to the upstream, we
+# can at least enable PaX mprotect and PaX ASLR for all the
+# executables except ghc-iserv and ghc-iserv-prof.
 
 
 # -----------------------------------------------------------------------------



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