feat:replace boost library with C++11 std library

third_party/apr/apr-1.6.5/build.conf

@@ -0,0 +1,29 @@
+#
+# Configuration file for APR. Used by APR/build/gen-build.py
+#
+
+[options]
+
+# paths to platform-independent .c files to build
+paths =
+  encoding/*.c
+  passwd/*.c
+  strings/*.c
+  tables/*.c
+
+# directories that have platform-specific code in them. the resulting
+# pattern will be: SUBDIR/PLATFORM/*.c
+platform_dirs =
+  dso file_io locks memory misc mmap network_io poll random
+  shmem support threadproc time user atomic
+
+# all the public headers
+headers = include/*.h
+
+# aplibtool is manually built by the configure process
+# build/aplibtool.c
+
+# we have a recursive makefile for the test files (for now)
+# test/*.c
+
+dsp = libapr.dsp