From 96e89d34eb2acfd71de6ed38d7029d7f662b9ad5 Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Thu, 21 Jul 2016 16:12:38 -0400
Subject: Conditionalize feature sets, to make it easier to build for an
 embedded environment.

The biggest things we need are
  1) No dynamic memory allocations
  2) No socket oriented I/O

While doing so, I've tried to make sure it still works in other build
scenarios (hosted Linux build with malloc).
---
 Makefile | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 3062635..8c61c59 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,36 @@ DYNAMIC_LIB ?= 1
 STATIC_LIB ?= 1
 # Run tests by default
 TESTS ?= 1
+# Store passwords with minimal crypto protection
+CRYPT ?= 1
+CFLAGS += -DDO_CRYPT=$(CRYPT)
+# Read and execute commands from a file
+FILE ?= 1
+CFLAGS += -DDO_FILE=$(FILE)
+# Filter commands
+FILTER ?= 1
+CFLAGS += -DDO_FILTER=$(FILTER)
+# Support idle timeout
+IDLE_TIMEOUT ?= 1
+CFLAGS += -DDO_IDLE_TIMEOUT=$(IDLE_TIMEOUT)
+# Use dynamic memory in the library
+MALLOC ?= 1
+CFLAGS += -DDO_MALLOC=$(MALLOC)
+# buffered print
+PRINT_BUFFERED ?= 1
+CFLAGS += -DDO_PRINT_BUFFERED=$(PRINT_BUFFERED)
+# Support regular/periodic events
+REGULAR ?= 1
+CFLAGS += -DDO_REGULAR=$(REGULAR)
+# I/O over sockets
+SOCKET ?= 1
+CFLAGS += -DDO_SOCKET=$(SOCKET)
+# Tab completion of commandsd
+TAB_COMPLETION ?= 1
+CFLAGS += -DDO_TAB_COMPLETION=$(TAB_COMPLETION)
+# Telnet option negotiation
+TELNET ?= 1
+CFLAGS += -DDO_TELNET=$(TELNET)
 
 UNAME = $(shell sh -c 'uname -s 2>/dev/null || echo not')
 DESTDIR =
@@ -17,7 +47,7 @@ LIB_STATIC = libcli.a
 
 CC = gcc
 AR = ar
-ARFLAGS = rcs
+ARFLAGS ?= rcs
 DEBUG = -g
 OPTIM = -O3
 override CFLAGS += $(DEBUG) $(OPTIM) -Wall -std=c99 -pedantic -Wformat-security -Wno-format-zero-length -Werror -Wwrite-strings -Wformat -fdiagnostics-show-option -Wextra -Wsign-compare -Wcast-align -Wno-unused-parameter
@@ -28,8 +58,10 @@ ifeq ($(UNAME),Darwin)
 override LDFLAGS += -Wl,-install_name,$(LIB).$(MAJOR).$(MINOR)
 else
 override LDFLAGS += -Wl,-soname,$(LIB).$(MAJOR).$(MINOR)
+ifeq (1,$(CRYPT))
 LIBS = -lcrypt
 endif
+endif
 
 ifeq (1,$(DYNAMIC_LIB))
 TARGET_LIBS += $(LIB)
@@ -54,8 +86,8 @@ $(LIB_STATIC): libcli.o
 
 libcli.o: libcli.h
 
-clitest: clitest.o $(LIB)
-	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ $< -L. -lcli
+clitest: clitest.o $(TARGET_LIBS)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ $< -L. -lcli $(LIBS)
 
 clitest.exe: clitest.c libcli.o
 	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ $< libcli.o -lws2_32
-- 
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