fix issues by updating libconfig

deps/Makefile

@@ -252,13 +252,14 @@ sqlite3/sqlite3/sqlite3.o:
 
 sqlite3: sqlite3/sqlite3/sqlite3.o
 
-libconfig/libconfig/lib/.libs/libconfig++.a:
+
+libconfig/libconfig/out/libconfig++.a:
 	cd libconfig && rm -rf libconfig-*/ || true
 	cd libconfig && tar -zxf libconfig-*.tar.gz
-	cd libconfig/libconfig && ./configure --disable-examples
+	cd libconfig/libconfig && cmake -DBUILD_SHARED_LIBS=0 -DBUILD_EXAMPLES=0 -DBUILD_TESTS=0 -DBUILD_FUZZERS=0 .
 	cd libconfig/libconfig && CC=${CC} CXX=${CXX} ${MAKE}
 
-libconfig: libconfig/libconfig/lib/.libs/libconfig++.a
+libconfig: libconfig/libconfig/out/libconfig++.a
 
 
 prometheus-cpp/prometheus-cpp/lib/libprometheus-cpp-core.a:

deps/libconfig/libconfig

@@ -1 +1 @@
-libconfig-1.7.3
+libconfig-1.8.1

src/Makefile

@@ -40,7 +40,7 @@ JEMALLOC_LDIR := $(JEMALLOC_PATH)/lib
 
 LIBCONFIG_PATH := $(DEPS_PATH)/libconfig/libconfig
 LIBCONFIG_IDIR := $(LIBCONFIG_PATH)/lib
-LIBCONFIG_LDIR := $(LIBCONFIG_PATH)/lib/.libs
+LIBCONFIG_LDIR := $(LIBCONFIG_PATH)/out
 
 PROMETHEUS_PATH := $(DEPS_PATH)/prometheus-cpp/prometheus-cpp
 PROMETHEUS_IDIR := $(PROMETHEUS_PATH)/pull/include -I$(PROMETHEUS_PATH)/core/include