From 2bb998ed68841356499fe5c5cde875e87563572c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Date: Wed, 30 Jul 2014 21:59:17 +0200
Subject: allow to use internal libmspack if the external is not available

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
---
 configure.ac          | 16 ++++++++++++++--
 libclamav/Makefile.am | 30 +++++++++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 02caad29410a..5abe018a00b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -131,6 +131,18 @@ m4_include([m4/reorganization/libs/curl.m4])
 
 m4_include([m4/reorganization/substitutions.m4])
 
+PKG_CHECK_MODULES([LIBMSPACK], [libmspack],
+		  use_internal_mspack=no, use_internal_mspack=yes)
+
+AM_CONDITIONAL([USE_INTERNAL_MSPACK], test "x$use_internal_mspack" = "xyes")
+
+if test "x$use_internal_mspack" = "xyes"; then
+	mspack_msg="Internal"
+	AC_CONFIG_SUBDIRS([libclamav/libmspack-0.4alpha])
+else
+	mspack_msg="External, $LIBMSPACK_CFLAGS $LIBMSPACK_LIBS"
+fi
+
 AM_CONDITIONAL([ENABLE_CLAMSUBMIT], [test "$have_curl" = "yes"])
 
 AC_CONFIG_FILES([
@@ -178,8 +190,6 @@ fi
 AM_CONDITIONAL([ENABLE_LLVM],
 	       [test "$subdirfailed" != "yes" && test "$enable_llvm" != "no"])
 
-PKG_CHECK_MODULES([LIBMSPACK], [libmspack])
-
 no_recursion="yes";
 AC_OUTPUT([libclamav/Makefile])
 
@@ -236,6 +246,8 @@ if test "x$PCRE_HOME" = "x"; then
 else
     CL_MSG_STATUS([pcre        ],[$PCRE_HOME],[$have_pcre])
 fi
+CL_MSG_STATUS([preclass    ],[$LIBJSON_HOME],[$have_json])
+CL_MSG_STATUS([libmspack   ],[yes],[$mspack_msg])
 if test "x$XML_LIBS" = "x"; then 
     CL_MSG_STATUS([dmg and xar ],[no],[])
 else
diff --git a/libclamav/Makefile.am b/libclamav/Makefile.am
index 538e83dcdd03..6d2cf920d6e2 100644
--- a/libclamav/Makefile.am
+++ b/libclamav/Makefile.am
@@ -122,11 +122,12 @@ libclamav_internal_utils_nothreads_la_SOURCES=str.c\
 libclamav_internal_utils_nothreads_la_LDFLAGS=-static @SSL_LDFLAGS@ @JSON_LDFLAGS@
 libclamav_internal_utils_nothreads_la_CFLAGS=$(AM_CFLAGS) -DCL_NOTHREADS @SSL_CPPFLAGS@ @JSON_CPPFLAGS@
 libclamav_internal_utils_nothreads_la_LIBADD=@SSL_LIBS@ @JSON_LIBS@
+SUBDIRS=
 
 if ENABLE_LLVM
 LLVMLIBADD=c++/libclamavcxx.la -lstdc++ -lm
 LLVMDEP=c++/libclamavcxx.la
-SUBDIRS=c++
+SUBDIRS+=c++
 else
 LLVMLIBADD=libclamav_nocxx.la
 LLVMDEP=libclamav_nocxx.la
@@ -147,8 +148,35 @@ if VERSIONSCRIPT
 libclamav_la_LDFLAGS += -Wl,@VERSIONSCRIPTFLAG@,@top_srcdir@/libclamav/libclamav.map
 endif
 
+if USE_INTERNAL_MSPACK
+SUBDIRS += libmspack-0.4alpha
+libclamav_la_CFLAGS += -I@top_srcdir@/libclamav/libmspack-0.4alpha/mspack
+libclamav_la_LIBADD +=  @top_builddir@/libclamav/libmspack-0.4alpha/.libs/cabc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/system.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/kwajd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/hlpc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/chmd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/qtmd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/litc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/oabc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/lzxd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/litd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/crc32.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/lzssd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/kwajc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/cabd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/szddd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/lzxc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/mszipd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/szddc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/oabd.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/chmc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/mszipc.o \
+			@top_builddir@/libclamav/libmspack-0.4alpha/.libs/hlpd.o
+else
 libclamav_la_CFLAGS += $(LIBMSPACK_CFLAGS)
 libclamav_la_LDFLAGS += $(LIBMSPACK_LIBS)
+endif
 
 include_HEADERS = clamav.h