# This makefile is dedicated to OpenBSD (and possibly other BSDs)
# You should use it this way :
#   make TARGET=os CPU=cpu
#
# Some optional components may be added, such as DLMALLOC :
#
#   make TARGET=freebsd CPU=i686 DLMALLOC_SRC=/usr/local/src/dlmalloc.c \
#        OPT_OBJS=src/dlmalloc.o

# Select target OS. TARGET must match a system for which COPTS and LIBS are
# correctly defined below.
TARGET = openbsd

# pass CPU=<cpu_name> to make to optimize for a particular CPU
CPU = generic
#CPU = i586
#CPU = i686
#CPU = ultrasparc

# By default, we use libc's regex. WARNING! On Solaris 8/Sparc, group
# references seem broken using libc ! Use pcre instead.
REGEX=libc
#REGEX=pcre
#REGEX=static-pcre

# tools options
CC = gcc
LD = gcc

# This is the directory hosting include/pcre.h and lib/libpcre.* when REGEX=pcre
PCREDIR!= pcre-config --prefix 2>/dev/null || :
#PCREDIR=/usr/local

# This is for OpenBSD 3.0 and above
COPTS.openbsd = -DENABLE_POLL -DENABLE_KQUEUE
LIBS.openbsd =

# CPU dependant optimizations
COPTS.generic = -O2
COPTS.i586 = -O2 -march=i586
COPTS.i686 = -O2 -march=i686
COPTS.ultrasparc = -O6 -mcpu=v9 -mtune=ultrasparc

# options for standard regex library
COPTS.libc=
LIBS.libc=

# options for libpcre
COPTS.pcre=-DUSE_PCRE -I$(PCREDIR)/include
LIBS.pcre=-L$(PCREDIR)/lib -lpcreposix -lpcre

# options for static libpcre
COPTS.static-pcre=-DUSE_PCRE -I$(PCREDIR)/include
LIBS.static-pcre=-L$(PCREDIR)/lib -Wl,-Bstatic -lpcreposix -lpcre -Wl,-Bdynamic

# you can enable debug arguments with "DEBUG=-g" or disable them with "DEBUG="
#DEBUG = -g -DDEBUG_MEMORY -DDEBUG_FULL
DEBUG = -g

# if small memory footprint is required, you can reduce the buffer size. There
# are 2 buffers per concurrent session, so 16 kB buffers will eat 32 MB memory
# with 1000 concurrent sessions. Putting it slightly lower than a page size
# will avoid the additionnal paramters to overflow a page. 8030 bytes is
# exactly 5.5 TCP segments of 1460 bytes.
#SMALL_OPTS =
SMALL_OPTS = -DBUFSIZE=8030 -DMAXREWRITE=1030 -DSYSTEM_MAXCONN=1024

# redefine this if you want to add some special PATH to include/libs
ADDINC =
ADDLIB =

# redefine this if you want to add some special .o files
OPT_OBJS =

# set some defines when needed.
# Known ones are -DENABLE_POLL
# - use -DTPROXY to compile with transparent proxy support.
DEFINE = -DTPROXY

# May be changed to patch PAGE_SIZE on every platform when using dlmalloc
DLMALLOC_THRES=4096

# global options
TARGET_OPTS=$(COPTS.$(TARGET))
REGEX_OPTS=$(COPTS.$(REGEX))
CPU_OPTS=$(COPTS.$(CPU))

VERSION != cat VERSION 2>/dev/null || touch VERSION
SUBVERS != cat SUBVERS 2>/dev/null || touch SUBVERS
VERDATE != cat VERDATE 2>/dev/null || touch VERDATE

VER_OPTS := -DCONFIG_HAPROXY_VERSION=\"$(VERSION)$(SUBVERS)\" \
            -DCONFIG_HAPROXY_DATE=\"$(VERDATE)\"

# This one can be changed to look for ebtree files in an external directory
EBTREE_DIR := ebtree

COPTS   = -Iinclude -I$(EBTREE_DIR) $(ADDINC) $(CPU_OPTS) $(TARGET_OPTS) \
          $(REGEX_OPTS) $(SMALL_OPTS) $(VER_OPTS) $(DEFINE)
LIBS    = $(LIBS.$(TARGET)) $(LIBS.$(REGEX)) $(ADDLIB)
CFLAGS  = -Wall $(COPTS) $(DEBUG)
LDFLAGS = -g

OBJS = src/haproxy.o src/sessionhash.o src/base64.o src/protocols.o \
       src/uri_auth.o src/standard.o src/buffers.o src/log.o src/task.o \
       src/time.o src/fd.o src/pipe.o src/regex.o src/cfgparse.o src/server.o \
       src/checks.o src/queue.o src/client.o src/proxy.o src/proto_uxst.o \
       src/proto_http.o src/stream_sock.o src/appsession.o src/backend.o \
       src/stream_interface.o src/dumpstats.o src/proto_tcp.o \
       src/session.o src/hdr_idx.o src/ev_select.o src/signal.o \
       src/lb_chash.o src/lb_fwlc.o src/lb_fwrr.o src/lb_map.o \
       src/ev_poll.o src/ev_kqueue.o \
       src/acl.o src/memory.o src/freq_ctr.o

EBTREE_OBJS = $(EBTREE_DIR)/ebtree.o \
              $(EBTREE_DIR)/eb32tree.o $(EBTREE_DIR)/eb64tree.o \
              $(EBTREE_DIR)/ebmbtree.o $(EBTREE_DIR)/ebsttree.o \
              $(EBTREE_DIR)/ebimtree.o $(EBTREE_DIR)/ebistree.o

all: haproxy

haproxy: $(OBJS) $(OPT_OBJS) $(EBTREE_OBJS)
	$(LD) $(LDFLAGS) -o $@ $> $(LIBS)

.SUFFIXES: .c.o

.c.o:
	$(CC) $(CFLAGS) -c -o $@ $>

src/haproxy.o: src/haproxy.c
	$(CC) $(CFLAGS) -DBUILD_TARGET='"$(TARGET)"' -DBUILD_CC='"$(CC)"' \
	                -DBUILD_CPU='"$(CPU)"' -DBUILD_REGEX='"$(REGEX)"' \
	                -DBUILD_OPTS='"$(COPTS)"' -c -o $@ $>

src/dlmalloc.o: $(DLMALLOC_SRC)
	$(CC) $(CFLAGS) -DDEFAULT_MMAP_THRESHOLD=$(DLMALLOC_THRES) -c -o $@ $>

clean:
	rm -f *.[oas] src/*.[oas] ebtree/*.[oas] haproxy test
	for dir in . src include/* doc ebtree; do rm -f $$dir/*~ $$dir/*.rej $$dir/core; done
	rm -f haproxy-$(VERSION).tar.gz haproxy-$(VERSION) nohup.out gmon.out

version:
	@echo "VERSION: $(VERSION)"
	@echo "SUBVERS: $(SUBVERS)"
	@echo "VERDATE: $(VERDATE)"