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@@ -253,6 +253,8 @@ AC_ARG_ENABLE(gcc-rdynamic,
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[ --enable-gcc-rdynamic enable gcc linking with -rdynamic for better backtraces])
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AC_ARG_ENABLE(time-check,
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[ --disable-time-check disable slow thread warning messages])
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+AC_ARG_ENABLE(pcreposix,
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+[ --enable-pcreposix enable using PCRE Posix libs for regex functions])
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if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
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CFLAGS="${CFLAGS} -W -Wcast-qual -Wstrict-prototypes"
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@@ -1259,13 +1261,24 @@ AC_CHECK_FUNC(__inet_pton, AC_DEFINE(HAVE_INET_PTON,,__inet_pton))
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AC_CHECK_FUNC(__inet_aton, AC_DEFINE(HAVE_INET_ATON,,__inet_aton))
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dnl ---------------------------
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+dnl check system has PCRE regexp
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+dnl ---------------------------
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+if test "x$enable_pcreposix" = "xyes"; then
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+ AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
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+ AC_MSG_WARN([*** falling back to other regex library ***]) ])
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+fi
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+
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+if test "x$enable_pcreposix" != "xyes"; then
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+dnl ---------------------------
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dnl check system has GNU regexp
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dnl ---------------------------
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-dnl AC_MSG_CHECKING(whether system has GNU regex)
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+AC_MSG_CHECKING(whether system has GNU regex)
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AC_CHECK_LIB(c, regexec,
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[AC_DEFINE(HAVE_GNU_REGEX,,GNU regexp library)
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LIB_REGEX=""],
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[LIB_REGEX="regex.o"])
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+fi
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+AC_SUBST(HAVE_LIBPCREPOSIX)
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AC_SUBST(LIB_REGEX)
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dnl ------------------
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