5d076804ed
Fixes: http://autobuild.buildroot.net/results/205463c9ea8651911972c2835e28ded1912c811a http://autobuild.buildroot.net/results/5e9279ee60c11a3dacacf6d78f87f8d1b92968f5 http://autobuild.buildroot.net/results/97043f8defd5a59ae39b4c7f095a10d15c7fe632 http://autobuild.buildroot.net/results/e775126d5939093289b1a833dd6323ac293322ed .. and many more. libmpdclient, libmicrohttpd and jsoncpp provide a .pc file. Use pkg-config for detecting the libraries and for providing the necessary details for compiling and linking. The current build system of upmpdcli does not use PKG_CHECK_MODULES, but AC_LINK_IFELSE to detect jsoncpp. After bumping jsoncpp version from 1.7.2 to 1.7.5 the detection fails, because the test program does not compile anymore: """ 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; [..] """ Instead of fixing the test program use PKG_CHECK_MODULES to check for jsoncpp. While we're on it, add it for libmpdclient and libmicrohttpd, too. Upstream-status: https://github.com/medoc92/upmpdcli/pull/52 Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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