[cmake] enable jit for libpcre

CMakeLists.txt

@@ -3,8 +3,9 @@ cmake_minimum_required(VERSION 3.2)
 
 include("cmake/HunterGate.cmake")
 HunterGate(
-        URL "https://github.com/ruslo/hunter/archive/v0.23.202.tar.gz"
-        SHA1 "931b1cb6b36a7a96948d2cfc8ec5e553bf3160f3"
+    URL "https://github.com/ruslo/hunter/archive/v0.23.204.tar.gz"
+    SHA1 "32cfed254da901f6f184027d530d8da47e035b85"
+    LOCAL
 )
 
 set(CMAKE_CXX_STANDARD 14)
@@ -39,8 +40,8 @@ set(lnav_LIBS
         ZLIB::zlib
         BZip2::bz2
         sqlite3::sqlite3
-        PkgConfig::libpcre
         PkgConfig::libpcrecpp
+        PkgConfig::libpcre
         CURL::libcurl
         readline::readline
         readline::history

cmake/Hunter/config.cmake

@@ -0,0 +1,7 @@
+
+hunter_config(
+    libpcre
+    VERSION 8.41
+    CMAKE_ARGS
+    EXTRA_FLAGS=--enable-unicode-properties --enable-jit --enable-utf
+)

src/base/lnav_log.cc

@@ -57,6 +57,14 @@
 
 #include <thread>
 
+#ifdef HAVE_PCRE_H
+#include <pcre.h>
+#elif HAVE_PCRE_PCRE_H
+#include <pcre/pcre.h>
+#else
+#error "pcre.h not found?"
+#endif
+
 #if defined HAVE_NCURSESW_CURSES_H
 #  include <ncursesw/termcap.h>
 #  include <ncursesw/curses.h>
@@ -167,16 +175,24 @@ void log_argv(int argc, char *argv[])
 void log_host_info()
 {
     char cwd[MAXPATHLEN];
+    const char *jittarget;
     struct utsname un;
     struct rusage ru;
+    int pcre_jit;
 
     uname(&un);
+    pcre_config(PCRE_CONFIG_JIT, &pcre_jit);
+    pcre_config(PCRE_CONFIG_JITTARGET, &jittarget);
+
     log_info("uname:");
     log_info("  sysname=%s", un.sysname);
     log_info("  nodename=%s", un.nodename);
     log_info("  machine=%s", un.machine);
     log_info("  release=%s", un.release);
     log_info("  version=%s", un.version);
+    log_info("PCRE:");
+    log_info("  jit=%d", pcre_jit);
+    log_info("  jittarget=%s", jittarget);
     log_info("Environment:");
     log_info("  HOME=%s", getenv("HOME"));
     log_info("  LANG=%s", getenv("LANG"));