Add libc/regex to libc, fix #64

libports/lib/mk/libc-regex.mk

@@ -0,0 +1,13 @@
+LIBC_REGEX_DIR = $(LIBC_DIR)/libc/regex
+
+#
+# 'engine.c' is meant to be included by other compilation units. It cannot
+# be compiled individually.
+#
+FILTER_OUT = engine.c
+
+SRC_C = $(filter-out $(FILTER_OUT),$(notdir $(wildcard $(LIBC_REGEX_DIR)/*.c)))
+
+include $(REP_DIR)/lib/mk/libc-common.inc
+
+vpath %.c $(LIBC_REGEX_DIR)

libports/lib/mk/libc.mk

@@ -3,7 +3,7 @@
 #
 
 LIBS   = libc-string libc-locale libc-stdlib libc-stdio libc-gen libc-gdtoa \
-         libc-inet libc-stdtime
+         libc-inet libc-stdtime libc-regex
 LIBS  += timed_semaphore cxx
 
 #