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Document configuration for SELinux execmem allocator and fix CMake usage.

This commit is contained in:
Philip.Hazel 2017-06-17 15:36:22 +00:00
parent b8a935f35e
commit 4f37764ece
5 changed files with 24 additions and 11 deletions
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1
CMakeLists.txt
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@ -79,6 +79,7 @@
# 2016-10-07 PH added PCREGREP_MAX_BUFSIZE # 2016-10-07 PH added PCREGREP_MAX_BUFSIZE
# 2017-03-11 PH turned HEAP_MATCH_RECURSE into a NO-OP for 10.30 # 2017-03-11 PH turned HEAP_MATCH_RECURSE into a NO-OP for 10.30
# 2017-04-08 PH added HEAP_LIMIT # 2017-04-08 PH added HEAP_LIMIT
# 2017-06-15 ZH added SUPPORT_JIT_SEALLOC support
PROJECT(PCRE2 C) PROJECT(PCRE2 C)

3
ChangeLog
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@ -198,6 +198,9 @@ PCRE2_EXTRA_MATCH_WORD, and PCRE2_EXTRA_MATCH_LINE. This fixes two bugs:
(a) The -F option did not work for fixed strings containing \E. (a) The -F option did not work for fixed strings containing \E.
(b) The -w option did not work for patterns with multiple branches. (b) The -w option did not work for patterns with multiple branches.
44. Added configuration options for the SELinux compatible execmem allocator in
JIT.
Version 10.23 14-February-2017 Version 10.23 14-February-2017
------------------------------ ------------------------------

7
README
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@ -171,7 +171,10 @@ library. They are also documented in the pcre2build man page.
give large performance improvements on certain platforms, add --enable-jit to give large performance improvements on certain platforms, add --enable-jit to
the "configure" command. This support is available only for certain hardware the "configure" command. This support is available only for certain hardware
architectures. If you try to enable it on an unsupported architecture, there architectures. If you try to enable it on an unsupported architecture, there
will be a compile time error. will be a compile time error. If you are running under SELinux you may also
want to add --enable-jit-sealloc, which enables the use of an execmem
allocator in JIT that is compatible with SELinux. This has no effect if JIT
is not enabled.
. If you do not want to make use of the default support for UTF-8 Unicode . If you do not want to make use of the default support for UTF-8 Unicode
character strings in the 8-bit library, UTF-16 Unicode character strings in character strings in the 8-bit library, UTF-16 Unicode character strings in
@ -874,4 +877,4 @@ The distribution should contain the files listed below.
Philip Hazel Philip Hazel
Email local part: ph10 Email local part: ph10
Email domain: cam.ac.uk Email domain: cam.ac.uk
Last updated: 11 April 2017 Last updated: 17 June 2017

1
config-cmake.h.in
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@ -25,6 +25,7 @@
#cmakedefine SUPPORT_LIBZ 1 #cmakedefine SUPPORT_LIBZ 1
#cmakedefine SUPPORT_JIT 1 #cmakedefine SUPPORT_JIT 1
#cmakedefine SLJIT_PROT_EXECUTABLE_ALLOCATOR 1
#cmakedefine SUPPORT_PCRE2GREP_JIT 1 #cmakedefine SUPPORT_PCRE2GREP_JIT 1
#cmakedefine SUPPORT_UNICODE 1 #cmakedefine SUPPORT_UNICODE 1
#cmakedefine SUPPORT_VALGRIND 1 #cmakedefine SUPPORT_VALGRIND 1

13
doc/pcre2build.3
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@ -1,4 +1,4 @@
.TH PCRE2BUILD 3 "30 May 2017" "PCRE2 10.30" .TH PCRE2BUILD 3 "17 June 2017" "PCRE2 10.30"
.SH NAME .SH NAME
PCRE2 - Perl-compatible regular expressions (revised API) PCRE2 - Perl-compatible regular expressions (revised API)
. .
@ -156,8 +156,13 @@ Just-in-time (JIT) compiler support is included in the build by specifying
--enable-jit --enable-jit
.sp .sp
This support is available only for certain hardware architectures. If this This support is available only for certain hardware architectures. If this
option is set for an unsupported architecture, a building error occurs. option is set for an unsupported architecture, a building error occurs. If you
See the are running under SELinux you may also want to add
.sp
--enable-jit-sealloc
.sp
which enables the use of an execmem allocator in JIT that is compatible with
SELinux. This has no effect if JIT is not enabled. See the
.\" HREF .\" HREF
\fBpcre2jit\fP \fBpcre2jit\fP
.\" .\"
@ -572,6 +577,6 @@ Cambridge, England.
.rs .rs
.sp .sp
.nf .nf
Last updated: 30 May 2017 Last updated: 17 June 2017
Copyright (c) 1997-2017 University of Cambridge. Copyright (c) 1997-2017 University of Cambridge.
.fi .fi