[BUILD] makefile for MacOS 10.4 / Darwin

Contribution from Dan Zinngrabe :

Here is a Makefile based on that for BSD that builds HAProxy 1.3.7 on
MacOS 10.4 and Darwin. I haven't tested it extensively yet, but it
does seem to work so far.

Makefile.osx

@@ -0,0 +1,105 @@
+# This makefile is dedicated to darwin (and possibly other BSDs)
+# You should use it this way :
+#   make TARGET=os CPU=cpu
+
+VERSION := 1.3.7
+
+# Select target OS. TARGET must match a system for which COPTS and LIBS are
+# correctly defined below.
+TARGET = generic
+
+# 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 darwin 3.0 and above
+COPTS.darwin = -DENABLE_POLL
+LIBS.darwin =
+
+# 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 =
+
+# set some defines when needed.
+# Known ones are -DENABLE_POLL
+# - use -DTPROXY to compile with transparent proxy support.
+DEFINE = -DTPROXY
+
+# global options
+TARGET_OPTS=$(COPTS.$(TARGET))
+REGEX_OPTS=$(COPTS.$(REGEX))
+CPU_OPTS=$(COPTS.$(CPU))
+
+COPTS=-Iinclude $(ADDINC) $(CPU_OPTS) $(TARGET_OPTS) $(REGEX_OPTS) $(SMALL_OPTS) $(DEFINE)
+LIBS=$(LIBS.$(TARGET)) $(LIBS.$(REGEX)) $(ADDLIB)
+
+CFLAGS = -Wall $(COPTS) $(DEBUG) -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386
+LDFLAGS = -g -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386
+
+OBJS = src/haproxy.o src/list.o src/chtbl.o src/hashpjw.o src/base64.o \
+       src/uri_auth.o src/standard.o src/buffers.o src/log.o src/task.o \
+       src/time.o src/fd.o src/regex.o src/cfgparse.o src/server.o \
+       src/checks.o src/queue.o src/capture.o src/client.o src/proxy.o \
+       src/proto_http.o src/stream_sock.o src/appsession.o src/backend.o \
+       src/session.o src/hdr_idx.o src/rbtree.o
+
+all: haproxy
+
+haproxy: $(OBJS)
+	$(LD) $(LDFLAGS) $(OBJS) -o $@
+
+.SUFFIXES: .c.o
+
+.c.o:
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+clean:
+	rm -f *.[oas] src/*.[oas] core haproxy test
+	for dir in . src include/* doc; do rm -f $$dir/*~ $$dir/*.rej;done
+	rm -f haproxy-$(VERSION).tar.gz haproxy-$(VERSION) nohup.out gmon.out