-Alternatively, you may set the environment variables JSON_CFLAGS
-and JSON_LIBS to avoid the need to call pkg-config.
-See the pkg-config man page for more details." "$LINENO" 5
-elif test $pkg_failed = untried; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+if test "$JSON_LIBS" == ""; then
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for JSON" >&5
+$as_echo_n "checking for JSON... " >&6; }
+
+if test -n "$JSON_CFLAGS"; then
+ pkg_cv_JSON_CFLAGS="$JSON_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"json\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "json") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_JSON_CFLAGS=`$PKG_CONFIG --cflags "json" 2>/dev/null`
+ test "x$?" != "x0" && pkg_failed=yes
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+if test -n "$JSON_LIBS"; then
+ pkg_cv_JSON_LIBS="$JSON_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"json\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "json") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_JSON_LIBS=`$PKG_CONFIG --libs "json" 2>/dev/null`
+ test "x$?" != "x0" && pkg_failed=yes
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5