Interim/misc. Added installed ripgrep to benchmark suite.

configure.ac

@@ -243,20 +243,15 @@ PKG_CHECK_MODULES([PCRE], [libpcre >= 8.21],
 		AC_SUBST([HAVE_LIBPCRE], [yes])
 		AC_DEFINE([HAVE_LIBPCRE], [1], [Define if libpcre is available.])
 	],
-	[AC_MSG_WARN([Unable to find libpcre: $PCRE_PKG_ERRORS])])
+	[AC_SUBST([HAVE_LIBPCRE], [no])])
 
 PKG_CHECK_MODULES([PCRE2], [libpcre2-8 >= 10.20],
 	[
 		# Found it.  Remember to add $PCRE2_LIBS, $PCRE2_CFLAGS, and $PCRE2_CPPFLAGS to the appropriate automake vars.
 		AC_SUBST([HAVE_LIBPCRE2], [yes])
 		AC_DEFINE([HAVE_LIBPCRE2], [1], [Define if libpcre2 is available.])
 	],
-	[AC_MSG_WARN([Unable to find libpcre2: $PCRE2_PKG_ERRORS])])
-
-# Make sure we found at least one of them.
-AS_IF([test "x$HAVE_LIBPCRE" = x -a "x$HAVE_LIBPCRE2" = x],
-	[AC_MSG_ERROR([unable to find a suitable pcre library.])],
-	[AC_MSG_NOTICE([found at least one usable pcre library.])])
+	[AC_SUBST([HAVE_LIBPCRE2], [no])])
 
 AC_LANG_POP([C++])
 
@@ -313,9 +308,9 @@ AC_LANG_PUSH([C++])
 # Check if the C++ compiler supports some flags we'd like to set.
 # Append them to AM_CXXFLAGS if it does.
 AX_APPEND_COMPILE_FLAGS([-fno-omit-frame-pointer], [AM_CXXFLAGS])
-#AX_APPEND_COMPILE_FLAGS([-save-temps], [AM_CXXFLAGS]) # -fverbose-asm 
+#AX_APPEND_COMPILE_FLAGS([-save-temps], [AM_CXXFLAGS]) # -fverbose-asm
 #AX_APPEND_COMPILE_FLAGS([-Wnoexcept], [AM_CXXFLAGS]) # Warn if something isn't marked noexcept when it could be. @note Doesn't seem to do anything.
-AX_APPEND_COMPILE_FLAGS([-ftree-vectorize], [AM_CXXFLAGS]) # -fopt-info-optimized -msse4.2], [AM_CXXFLAGS]) #  -fopt-info-vec-all
+AX_APPEND_COMPILE_FLAGS([-ftree-vectorize], [AM_CXXFLAGS]) # -fopt-info-optimized -fopt-info-vec-all
 #AX_APPEND_COMPILE_FLAGS([-flto -ffat-lto-objects], [AM_CXXFLAGS])
 AX_APPEND_COMPILE_FLAGS([-pthread], [AM_CXXFLAGS])
 AX_APPEND_COMPILE_FLAGS([-Wformat -Wformat-security], [AM_CXXFLAGS])
@@ -514,3 +509,10 @@ AC_MSG_NOTICE([
   runpath_var:                $runpath_var
 
 ])
+
+
+# Make sure we found at least one of the PCRE libs.
+AS_IF([test "x$HAVE_LIBPCRE" = x -a "x$HAVE_LIBPCRE2" = x],
+	[AC_MSG_ERROR([unable to find a suitable pcre library.])],
+	[AC_MSG_NOTICE([found at least one usable pcre library.])])
+

src/libext/filesystem.hpp

@@ -76,8 +76,6 @@ using dev_ino_pair_type = std::conditional<
 		uint_t<(sizeof(dev_t)+sizeof(ino_t))*8>::fast
 		>::type;
 
-///static_assert(sizeof(dev_ino_pair_type) != 128/8, "ERROR");
-
 struct dev_ino_pair
 {
 	dev_ino_pair() = default;

tests/atlocal.in

@@ -55,6 +55,10 @@ fi
 #if PROG_ACK="$(which ack)";
 #then
 #fi
+if PROG_INST_RIPGREP="$(which rg 2>/dev/null)";
+then
+	PROGLIST=$PROGLIST,inst_ripgrep:$PROG_INST_RIPGREP
+fi
 if test -x "${PROG_PCRE2GREP}";
 then
 	PROGLIST=$PROGLIST,inst_pcre2grep:$PROG_PCRE2GREP

tests/benchmark_progs.csv

@@ -3,6 +3,7 @@ built_ucg,ucg,true,--noenv,--dirjobs=,-j,--ignore-dir=,only_cpp_ack
 inst_ucg,${PROG_INST_UCG},true,--noenv,--dirjobs=,-j,--ignore-dir=,only_cpp_ack
 fake_for_test,nosuchprog,true,-Abc,,,--exclude-dir=,only_cpp_ack
 inst_ag,${PROG_INST_AG},true,,,,--ignore-dir=,only_cpp_ack
+inst_ripgrep,${PROG_INST_RIPGREP},false,,,-j,--glob !,only_cpp_rg
 inst_pcre2grep,${PROG_PCRE2GREP},true,-rn --color,,,--exclude-dir=,only_cpp_pcre2grep
 inst_system_grep,grep,false,-Ern --color,,,--exclude-dir=,only_cpp_grep
 inst_gnu_grep_e,${PROG_GNU_GREP},false,-Ern --color,,,--exclude-dir=,only_cpp_grep

tests/opts_defs.csv

@@ -2,3 +2,4 @@ opt_id,opt_expansion
 only_cpp_ack,--cpp
 only_cpp_grep,--include=\\*.cpp --include=\\*.hpp --include=\\*.h --include=\\*.cc --include=\\*.cxx
 only_cpp_pcre2grep,'--exclude=^.*(?<!\\.cpp|\\.hpp|\\.h|\\.cc|\\.cxx)$'
+only_cpp_rg,-t cpp

tests/test_cases.csv

@@ -1,7 +1,7 @@
 test_case_id, desc_short, desc_long, regex, corpus
-TC1, Test case 1, "ucg vs. others, 'BOOST.*HPP' on Boost source.", BOOST.*HPP, "${top_srcdir}/../boost_1_58_0"
-TC2, Test Case 2, "ucg vs. others, literal string on Boost source.", TEST_BOOST_NO_INTRINSIC_WCHAR_T, "${top_srcdir}/../boost_1_58_0"
-TC3, Test Case 3, "ucg vs. others, regex 'iudice[\\w]*umputo' on single ~500MB file.", iudice[\\w]*umputo, "${builddir}/500MBLoremIpsum.cpp"
-TC4, Test Case 4, "ucg vs. others, literal string on 500MB file, match at end.", iudicemaequumputo, "${builddir}/500MBLoremIpsum.cpp"
-TC5, Test Case 5, "ucg vs. others, '#include\\s+".*"' on Boost source", #include\\s+".*", "${top_srcdir}/../boost_1_58_0"
-TC6, Test Case 6, "ucg vs. others, literal '#endif' with --ignore-dir=doc on Boost source.", #endif, "${top_srcdir}/../boost_1_58_0"
+TC1, Test case 1, "Benchmark: 'BOOST.*HPP' on Boost source.", BOOST.*HPP, "${top_srcdir}/../boost_1_58_0"
+TC2, Test Case 2, "Benchmark: literal string on Boost source.", TEST_BOOST_NO_INTRINSIC_WCHAR_T, "${top_srcdir}/../boost_1_58_0"
+TC3, Test Case 3, "Benchmark: regex 'iudice[\\w]*umputo' on single ~500MB file.", iudice[\\w]*umputo, "${builddir}/500MBLoremIpsum.cpp"
+TC4, Test Case 4, "Benchmark: literal string on 500MB file, match at end.", iudicemaequumputo, "${builddir}/500MBLoremIpsum.cpp"
+TC5, Test Case 5, "Benchmark: '#include\\s+".*"' on Boost source", #include\\s+".*", "${top_srcdir}/../boost_1_58_0"
+TC6, Test Case 6, "Benchmark: literal '#endif' with --ignore-dir=doc on Boost source.", #endif, "${top_srcdir}/../boost_1_58_0"