Add cppunit detection using pkg-config

Obsolete cppunit-config was removed in cppunit 1.14.0

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

acinclude.m4.in

@@ -6512,63 +6512,72 @@ if test "x$enable_cppunit" = "xyes"; then
               [  --enable-online-tests   Include online tests with CPPUNIT tests],,
               enable_online_tests=no)
   AC_MSG_RESULT($enable_online_tests)
+  cppunit_version_min=$1
 
-  if test x$cppunit_config_exec_prefix != x ; then
-     cppunit_config_args="$cppunit_config_args --exec-prefix=$cppunit_config_exec_prefix"
-     if test x${CPPUNIT_CONFIG+set} != xset ; then
-        CPPUNIT_CONFIG=$cppunit_config_exec_prefix/bin/cppunit-config
+  if test "$PKG_CONFIG" != "no" && $PKG_CONFIG --exists cppunit; then
+     PKG_CHECK_MODULES(CPPUNIT, [cppunit >= $cppunit_version_min],,
+        [
+        AC_MSG_WARN(Minimum version of CPPUNIT couldn't be found. Tests will not be built)
+        no_cppunit=yes
+        ])
+  else
+     if test x$cppunit_config_exec_prefix != x ; then
+        cppunit_config_args="$cppunit_config_args --exec-prefix=$cppunit_config_exec_prefix"
+        if test x${CPPUNIT_CONFIG+set} != xset ; then
+           CPPUNIT_CONFIG=$cppunit_config_exec_prefix/bin/cppunit-config
+        fi
      fi
-  fi
-  if test x$cppunit_config_prefix != x ; then
-     cppunit_config_args="$cppunit_config_args --prefix=$cppunit_config_prefix"
-     if test x${CPPUNIT_CONFIG+set} != xset ; then
-        CPPUNIT_CONFIG=$cppunit_config_prefix/bin/cppunit-config
+     if test x$cppunit_config_prefix != x ; then
+        cppunit_config_args="$cppunit_config_args --prefix=$cppunit_config_prefix"
+        if test x${CPPUNIT_CONFIG+set} != xset ; then
+           CPPUNIT_CONFIG=$cppunit_config_prefix/bin/cppunit-config
+        fi
      fi
-  fi
 
-  AC_PATH_PROG(CPPUNIT_CONFIG, cppunit-config, no)
-  cppunit_version_min=$1
+     AC_PATH_PROG(CPPUNIT_CONFIG, cppunit-config, no)
+
+     AC_MSG_CHECKING(for CPPUNIT - version >= $cppunit_version_min)
+     no_cppunit=""
+     if test "$CPPUNIT_CONFIG" = "no" ; then
+       AC_MSG_RESULT(no)
+       AC_MSG_WARN(Unable to locate cppunit-config. Tests will not be built)
+       no_cppunit=yes
+     else
+       CPPUNIT_CFLAGS=`$CPPUNIT_CONFIG --cflags`
+       CPPUNIT_LIBS=`$CPPUNIT_CONFIG --libs`
+       cppunit_version=`$CPPUNIT_CONFIG --version`
+
+       cppunit_major_version=`echo $cppunit_version | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+       cppunit_minor_version=`echo $cppunit_version | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+       cppunit_micro_version=`echo $cppunit_version | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+       cppunit_major_min=`echo $cppunit_version_min | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+       cppunit_minor_min=`echo $cppunit_version_min | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+       cppunit_micro_min=`echo $cppunit_version_min | \
+              sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+       cppunit_version_proper=`expr \
+           $cppunit_major_version \> $cppunit_major_min \| \
+           $cppunit_major_version \= $cppunit_major_min \& \
+           $cppunit_minor_version \> $cppunit_minor_min \| \
+           $cppunit_major_version \= $cppunit_major_min \& \
+           $cppunit_minor_version \= $cppunit_minor_min \& \
+           $cppunit_micro_version \>= $cppunit_micro_min `
+
+       if test "$cppunit_version_proper" = "1" ; then
+         AC_MSG_RESULT([$cppunit_major_version.$cppunit_minor_version.$cppunit_micro_version])
+       else
+         AC_MSG_RESULT(no)
+         AC_MSG_WARN(Minimum version of CPPUNIT couldn't be found. Tests will not be built)
+         no_cppunit=yes
+       fi
+     fi
 
-  AC_MSG_CHECKING(for CPPUNIT - version >= $cppunit_version_min)
-  no_cppunit=""
-  if test "$CPPUNIT_CONFIG" = "no" ; then
-    AC_MSG_RESULT(no)
-    AC_MSG_WARN(Unable to locate cppunit-config. Tests will not be built)
-    no_cppunit=yes
-  else
-    CPPUNIT_CFLAGS=`$CPPUNIT_CONFIG --cflags`
-    CPPUNIT_LIBS=`$CPPUNIT_CONFIG --libs`
-    cppunit_version=`$CPPUNIT_CONFIG --version`
-
-    cppunit_major_version=`echo $cppunit_version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-    cppunit_minor_version=`echo $cppunit_version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-    cppunit_micro_version=`echo $cppunit_version | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-
-    cppunit_major_min=`echo $cppunit_version_min | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
-    cppunit_minor_min=`echo $cppunit_version_min | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
-    cppunit_micro_min=`echo $cppunit_version_min | \
-           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
-
-    cppunit_version_proper=`expr \
-        $cppunit_major_version \> $cppunit_major_min \| \
-        $cppunit_major_version \= $cppunit_major_min \& \
-        $cppunit_minor_version \> $cppunit_minor_min \| \
-        $cppunit_major_version \= $cppunit_major_min \& \
-        $cppunit_minor_version \= $cppunit_minor_min \& \
-        $cppunit_micro_version \>= $cppunit_micro_min `
-
-    if test "$cppunit_version_proper" = "1" ; then
-      AC_MSG_RESULT([$cppunit_major_version.$cppunit_minor_version.$cppunit_micro_version])
-    else
-      AC_MSG_RESULT(no)
-      AC_MSG_WARN(Minimum version of CPPUNIT couldn't be found. Tests will not be built)
-      no_cppunit=yes
-    fi
   fi
 else
   no_cppunit=user