libports: MPC

This patch adds the 'MPC' library to the 'libports' repository.

Fixes #263.

.gitignore

@@ -70,6 +70,7 @@
 /libports/include/zlib
 /libports/include/gmp/gmp-impl.h
 /libports/include/gmp/x86_32/gmp-mparam.h
+/libports/include/mpc/
 /libports/include/mpfr/
 /libports/src/lib/gmp/mpn/asm-defs.m4
 /libports/src/lib/ncurses/codes.c

libports/lib/import/import-mpc.mk

@@ -0,0 +1,3 @@
+MPC = mpc-0.9
+
+REP_INC_DIR += include/mpc

libports/lib/mk/mpc.mk

@@ -0,0 +1,15 @@
+include $(REP_DIR)/lib/import/import-mpc.mk
+
+MPC_DIR  = $(REP_DIR)/contrib/$(MPC)
+
+ifeq ($(wildcard $(MPC_DIR)),)
+REQUIRES += prepare_mpc
+endif
+
+LIBS      = libc gmp mpfr
+
+SRC_C := $(notdir $(wildcard $(MPC_DIR)/src/*.c))
+
+vpath %.c $(MPC_DIR)/src
+
+SHARED_LIB = 1

libports/ports/mpc.mk

@@ -0,0 +1,32 @@
+include lib/import/import-mpc.mk
+
+MPC_TGZ = $(MPC).tar.gz
+MPC_URL = http://www.multiprecision.org/mpc/download/$(MPC_TGZ)
+
+#
+# Interface to top-level prepare Makefile
+#
+PORTS += $(MPC)
+
+MPC_INCLUDES = include/mpc/mpc.h
+
+prepare-mpc: $(CONTRIB_DIR)/$(MPC) $(MPC_INCLUDES)
+
+$(CONTRIB_DIR)/$(MPC): clean-mpc
+
+#
+# Port-specific local rules
+#
+$(DOWNLOAD_DIR)/$(MPC_TGZ):
+	$(VERBOSE)wget -c -P $(DOWNLOAD_DIR) $(MPC_URL) && touch $@
+
+$(CONTRIB_DIR)/$(MPC): $(DOWNLOAD_DIR)/$(MPC_TGZ)
+	$(VERBOSE)tar xfz $< -C $(CONTRIB_DIR) && touch $@
+
+include/mpc/mpc.h:
+	$(VERBOSE)mkdir -p $(dir $@)
+	$(VERBOSE)ln -sf ../../$(CONTRIB_DIR)/$(MPC)/src/mpc.h $@
+
+clean-mpc:
+	$(VERBOSE)rm -f  $(MPC_INCLUDES)
+	$(VERBOSE)rm -rf $(CONTRIB_DIR)/$(MPC)