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@ -637,6 +637,34 @@
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exit 1
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fi
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PCRE2=""
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AC_CHECK_LIB(pcre2-8, pcre2_compile_8,,PCRE2="no")
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if test "$PCRE2" = "no"; then
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echo
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echo " ERROR! pcre2 library not found, go get it"
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echo " from www.pcre.org. Or from packages:"
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echo " Debian/Ubuntu: apt install libpcre2-dev"
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echo " Fedora: dnf install pcre2-devel"
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echo " CentOS/RHEL: yum install pcre2-devel"
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echo
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exit 1
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fi
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AC_DEFINE([PCRE2_CODE_UNIT_WIDTH], [8], [Pcre code unit width is 8 bits])
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AC_MSG_CHECKING(for PCRE2 JIT support)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre2.h> ]],
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[[
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int jit = 0;
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pcre2_config(PCRE2_CONFIG_JIT, &jit);
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]])],[ pcre2_jit_available=yes ],[ pcre2_jit_available=no ]
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)
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if test "x$pcre2_jit_available" = "xyes"; then
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AC_MSG_RESULT(yes)
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AC_DEFINE([PCRE2_HAVE_JIT], [1], [Pcre2 with JIT compiler support enabled])
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else
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AC_MSG_RESULT(no)
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fi
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# libpcre 8.35 (especially on debian) has a known issue that results in segfaults
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# see https://redmine.openinfosecfoundation.org/issues/1693
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if test "$with_libpcre_libraries" = "no"; then
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@ -668,20 +696,6 @@
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fi
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LIBS="${TMPLIBS}"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
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[[ int eo = 0; eo |= PCRE_EXTRA_MATCH_LIMIT_RECURSION; ]])],
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[ pcre_match_limit_recursion_available=yes ],[:]
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)
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if test "$pcre_match_limit_recursion_available" != "yes"; then
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echo
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echo " Warning! pcre extra opt PCRE_EXTRA_MATCH_LIMIT_RECURSION not found"
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echo " This could lead to potential DoS please upgrade to pcre >= 6.5"
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echo " from www.pcre.org."
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echo " Continuing for now...."
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echo
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AC_DEFINE([NO_PCRE_MATCH_RLIMIT],[1],[Pcre PCRE_EXTRA_MATCH_LIMIT_RECURSION not available])
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fi
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TMPCFLAGS="${CFLAGS}"
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CFLAGS="-O0 -g -Werror -Wall"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
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@ -690,104 +704,6 @@
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)
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CFLAGS="${TMPCFLAGS}"
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#enable support for PCRE-jit available since pcre-8.20
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AC_MSG_CHECKING(for PCRE JIT support)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
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[[
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int jit = 0;
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pcre_config(PCRE_CONFIG_JIT, &jit);
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]])],[ pcre_jit_available=yes ],[ pcre_jit_available=no ]
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)
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case $host in
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*powerpc64*)
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PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.39],[libpcre_ppc64_buggy_found1="yes"],[libprce_ppc64_buggy_found1="no"])
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PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.40],[libpcre_ppc64_buggy_found2="yes"],[libprce_ppc64_buggy_found2="no"])
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if test "$libprce_ppc64_buggy_found1" = "yes" || test "$libprce_ppc64_buggy_found2"; then
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# on powerpc64, both gcc and clang lead to SIGILL in
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# unittests when jit is enabled.
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pcre_jit_available="no, pcre 8.39/8.40 jit disabled for powerpc64"
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fi
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# hack: use libatomic
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LIBS="${LIBS} -latomic"
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;;
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*)
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# bug 1693, libpcre 8.35 is broken and debian jessie is still using that
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if test "$libpcre_buggy_found" = "yes"; then
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pcre_jit_available="no, libpcre 8.35 blacklisted"
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fi
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;;
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esac
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if test "x$pcre_jit_available" = "xyes"; then
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AC_MSG_RESULT(yes)
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AC_DEFINE([PCRE_HAVE_JIT], [1], [Pcre with JIT compiler support enabled])
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AC_MSG_CHECKING(for PCRE JIT support usability)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
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[[
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const char *error;
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int err_offset;
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pcre *re = pcre_compile("(a|b|c|d)",0, &error, &err_offset,NULL);
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pcre_extra *extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
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if (extra == NULL)
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exit(EXIT_FAILURE);
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int jit = 0;
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int ret = pcre_fullinfo(re, extra, PCRE_INFO_JIT, &jit);
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if (ret != 0 || jit != 1)
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exit(EXIT_FAILURE);
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exit(EXIT_SUCCESS);
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]])],[ pcre_jit_works=yes ],[:]
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)
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|
if test "x$pcre_jit_works" != "xyes"; then
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AC_MSG_RESULT(no)
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echo
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echo " PCRE JIT support detection worked but testing it failed"
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|
echo " something odd is going on, please file a bug report."
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echo
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exit 1
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else
|
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AC_MSG_RESULT(yes)
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fi
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else
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AC_MSG_RESULT(no)
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fi
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|
if test "x$pcre_jit_works" = "xyes"; then
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AC_MSG_CHECKING(for PCRE JIT exec availability)
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AC_LINK_IFELSE(
|
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|
[AC_LANG_PROGRAM(
|
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|
|
|
[
|
|
|
|
|
#include <pcre.h>
|
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|
|
#include <string.h>
|
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|
|
],
|
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|
|
[
|
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|
const char *error;
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|
|
int err_offset;
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pcre *re = pcre_compile("(a|b|c|d)", 0, &error, &err_offset,NULL);
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pcre_extra *study = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
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if (study == NULL)
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exit(EXIT_FAILURE);
|
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|
|
pcre_jit_stack *stack = pcre_jit_stack_alloc(32*1024,40*1024);
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|
if (stack == 0)
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exit(EXIT_FAILURE);
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|
int ret = pcre_jit_exec(re, study, "apple", 5, 0, 0, NULL, 0, stack);
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|
exit(ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
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|
])],
|
|
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|
|
[pcre_jit_exec_available="yes" ],
|
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|
|
[pcre_jit_exec_available="no" ])
|
|
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|
|
if test "x$pcre_jit_exec_available" != "xyes"; then
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|
|
AC_MSG_RESULT(no)
|
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|
else
|
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|
|
AC_MSG_RESULT(yes)
|
|
|
|
|
AC_DEFINE([PCRE_HAVE_JIT_EXEC], [1], [PCRE with JIT compiler support enabled supporting pcre_jit_exec])
|
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|
|
fi
|
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|
|
else
|
|
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|
|
AC_MSG_RESULT(no)
|
|
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|
|
fi
|
|
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|
|
|
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|
|
# libhs
|
|
|
|
|
enable_hyperscan="no"
|
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|
|
Philippe Antoine
4 years ago