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