Issue 51

joerg-krause writes

After bumping jsoncpp version from 1.7.2 to 1.7.5 configure does not find jsoncpp anymore. A look in the config.log shows:

In file included from /usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/autolink.h:9:0,
                 from /usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/json.h:9,
                 from test.c:1:
/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/config.h:155:9: error: 'int64_t' does not name a type
 typedef int64_t Int64;
         ^
/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/config.h:156:9: error: 'uint64_t' does not name a type
 typedef uint64_t UInt64;
         ^
/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/config.h:158:9: error: 'Int64' does not name a type
 typedef Int64 LargestInt;
         ^
/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/config.h:159:9: error: 'UInt64' does not name a type
 typedef UInt64 LargestUInt;
         ^
In file included from /usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/json.h:10:0,
                 from test.c:1:
/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/json/value.h:184:11: error: 'UInt64' in namespace 'Json' does not name a type
   typedef Json::UInt64 UInt64;

[..]

As jsoncpp does provide a pkg-config file, I suggest to use pkg-config for detecting jsoncpp.