Control: tags -1 + patch

Please find attached a patch (it applies to the latest upstream
release 2.9.20 as well but not to the 3.x series).

Description: Port to PCRE2.
Bug-Debian: https://bugs.debian.org/999956
Author: Yavor Doganov <yavor@gnu.org>
Forwarded: no
Last-Update: 2024-01-02
---

--- snort-2.9.15.1.orig/configure.in
+++ snort-2.9.15.1/configure.in
@@ -465,19 +465,21 @@
CPPFLAGS="${CPPFLAGS} -I${with_libpcre_includes}"
ICONFIGFLAGS="${ICONFIGFLAGS} -I${with_libpcre_includes}"
else
- CPPFLAGS="${CPPFLAGS} `pcre-config --cflags`"
+ CPPFLAGS="${CPPFLAGS} `pcre2-config --cflags`"
fi

if test "x$with_libpcre_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_libpcre_libraries}"
else
- LDFLAGS="${LDFLAGS} `pcre-config --libs`"
+ LDFLAGS="${LDFLAGS} `pcre2-config --libs8`"
fi

# PCRE configuration (required)
# Verify that we have the headers
PCRE_H=""
-AC_CHECK_HEADERS(pcre.h,, PCRE_H="no")
+AC_CHECK_HEADERS([pcre2.h], [], [PCRE_H="no"], [[
+#define PCRE2_CODE_UNIT_WIDTH 8
+]])
if test "x$PCRE_H" = "xno"; then
echo
echo " ERROR! Libpcre header not found."
@@ -487,36 +489,13 @@

# Verify that we have the library
PCRE_L=""
-pcre_version_six=""
-AC_CHECK_LIB(pcre, pcre_compile, ,PCRE_L="no")
+AC_CHECK_LIB