diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 19 |
1 files changed, 12 insertions, 7 deletions
@@ -168,15 +168,12 @@ library. They are also documented in the pcre2build man page. built. If you want only the 16-bit or 32-bit library, use --disable-pcre2-8 to disable building the 8-bit library. -. If you want to include support for just-in-time compiling, which can give - large performance improvements on certain platforms, add --enable-jit to the - "configure" command. This support is available only for certain hardware +. If you want to include support for just-in-time (JIT) compiling, which can + give large performance improvements on certain platforms, add --enable-jit to + the "configure" command. This support is available only for certain hardware architectures. If you try to enable it on an unsupported architecture, there will be a compile time error. -. When JIT support is enabled, pcre2grep automatically makes use of it, unless - you add --disable-pcre2grep-jit to the "configure" command. - . If you do not want to make use of the support for UTF-8 Unicode character strings in the 8-bit library, UTF-16 Unicode character strings in the 16-bit library, or UTF-32 Unicode character strings in the 32-bit library, you can @@ -324,6 +321,14 @@ library. They are also documented in the pcre2build man page. running "make" to build PCRE2. There is more information about coverage reporting in the "pcre2build" documentation. +. When JIT support is enabled, pcre2grep automatically makes use of it, unless + you add --disable-pcre2grep-jit to the "configure" command. + +. On non-Windows sytems there is support for calling external scripts during + matching in the pcre2grep command via PCRE2's callout facility with string + arguments. This support can be disabled by adding --disable-pcre2grep-callout + to the "configure" command. + . The pcre2grep program currently supports only 8-bit data files, and so requires the 8-bit PCRE2 library. It is possible to compile pcre2grep to use libz and/or libbz2, in order to read .gz and .bz2 files (respectively), by @@ -840,4 +845,4 @@ The distribution should contain the files listed below. Philip Hazel Email local part: ph10 Email domain: cam.ac.uk -Last updated: 16 October 2015 +Last updated: 01 April 2016 |