# GRPC global makefile
# This currently builds C and C++ code.
<%!
  from copy import deepcopy
  import re

  def excluded(filename, exclude_res):
    for r in exclude_res:
      if r.match(filename):
        return True
    return False
%>

<%
  altlibs = []
  for lib in libs:
    for alt in lib.get('alternates', []):
      new = deepcopy(lib)
      new.name = alt.name
      new.alternates = []
      exclude_res = [re.compile(str) for str in alt.get('exclude_res', [])]

      src = [file for file in new.get('src', []) if not excluded(file, exclude_res)]
      src.extend(alt.get('include_src', []))
      new.src = src

      headers = [file for file in new.get('headers', []) if not excluded(file, exclude_res)]
      headers.extend(alt.get('include_headers', []))
      new.headers = headers

      public_headers = [file for file in new.get('public_headers', []) if not excluded(file, exclude_res)]
      public_headers.extend(alt.get('include_public_headers', []))
      new.public_headers = public_headers

      for prop in alt.properties:
        new[prop.name] = prop.value

      altlibs.append(new)
  libs.extend(altlibs)

  protos_dict = {}
  proto_re = re.compile('\.proto$')
  for lib in libs:
    for src in lib.src:
      if proto_re.match(src):
        protos_dict[src] = True
  for tgt in targets:
    for src in tgt.src:
      if proto_re.match(src):
        protos_dict[src] = True

  protos = []
  for k, v in protos_dict:
    protos.append(k)
%>

# General settings.
# You may want to change these depending on your system.

prefix ?= /usr/local

PROTOC = protoc
CC = gcc
CXX = g++
LD = gcc
LDXX = g++
AR = ar
STRIP = strip --strip-unneeded
INSTALL = install -D
RM = rm -f

ifeq ($(DEBUG),)
CPPFLAGS += -O2
DEFINES += NDEBUG
else
CPPFLAGS += -O0
DEFINES += _DEBUG DEBUG
endif

CFLAGS += -std=c89 -pedantic
CXXFLAGS += -std=c++11
CPPFLAGS += -g -fPIC -Wall -Werror -Wno-long-long
LDFLAGS += -g -pthread -fPIC

INCLUDES = . include gens
LIBS = rt m z event event_pthreads pthread
LIBSXX = protobuf
LIBS_SECURE = ssl crypto dl

ifneq ($(wildcard /usr/src/gtest/src/gtest-all.cc),)
GTEST_LIB = /usr/src/gtest/src/gtest-all.cc -I/usr/src/gtest
else
GTEST_LIB = -lgtest
endif
GTEST_LIB += -lgflags
ifeq ($(V),1)
E = @:
Q =
else
E = @echo
Q = @
endif

VERSION = ${settings.version.major}.${settings.version.minor}.${settings.version.micro}.${settings.version.build}

CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)

LDFLAGS += $(ARCH_FLAGS)
LDLIBS += $(addprefix -l, $(LIBS))
LDLIBSXX += $(addprefix -l, $(LIBSXX))
LDLIBS_SECURE += $(addprefix -l, $(LIBS_SECURE))

.SECONDARY = %.pb.h %.pb.cc

all: static shared\
% for tgt in targets:
% if tgt.build == 'all':
 bins/${tgt.name}\
% endif
% endfor

static: static_c static_cxx

static_c: dep_c\
% for lib in libs:
% if lib.build == 'all' and not lib.get('c++', False):
 libs/lib${lib.name}.a\
% endif
% endfor


static_cxx: dep_cxx\
% for lib in libs:
% if lib.build == 'all' and lib.get('c++', False):
 libs/lib${lib.name}.a\
% endif
% endfor


shared: shared_c shared_cxx

shared_c: dep_c\
% for lib in libs:
% if lib.build == 'all' and not lib.get('c++', False):
 libs/lib${lib.name}.so.$(VERSION)\
% endif
% endfor


shared_cxx: dep_cxx\
% for lib in libs:
% if lib.build == 'all' and lib.get('c++', False):
 libs/lib${lib.name}.so.$(VERSION)\
% endif
% endfor


privatelibs: privatelibs_c privatelibs_cxx

privatelibs_c: dep_c\
% for lib in libs:
% if lib.build == 'private':
 libs/lib${lib.name}.a\
% endif
% endfor


privatelibs_cxx: dep_cxx\
% for lib in libs:
% if lib.build == 'private':
 libs/lib${lib.name}.a\
% endif
% endfor


buildtests: buildtests_c buildtests_cxx

buildtests_c: privatelibs_c\
% for tgt in targets:
% if tgt.build == 'test' and not tgt.get('c++', False):
 bins/${tgt.name}\
% endif
% endfor


buildtests_cxx: privatelibs_cxx\
% for tgt in targets:
% if tgt.build == 'test' and tgt.get('c++', False):
 bins/${tgt.name}\
% endif
% endfor


test: test_c test_cxx

test_c: buildtests_c
% for tgt in targets:
% if tgt.build == 'test' and tgt.get('run', True) and not tgt.get('c++', False):
	$(E) "[RUN]     Testing ${tgt.name}"
	$(Q) ./bins/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
% endif
% endfor


test_cxx: buildtests_cxx
% for tgt in targets:
% if tgt.build == 'test' and tgt.get('run', True) and tgt.get('c++', False):
	$(E) "[RUN]     Testing ${tgt.name}"
	$(Q) ./bins/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
% endif
% endfor


tools: privatelibs\
% for tgt in targets:
% if tgt.build == 'tool':
 bins/${tgt.name}\
% endif
% endfor


protoc_plugins:\
% for tgt in targets:
% if tgt.build == 'protoc':
 bins/${tgt.name}\
% endif
% endfor


buildbenchmarks: privatelibs\
% for tgt in targets:
% if tgt.build == 'benchmark':
 bins/${tgt.name}\
% endif
% endfor


benchmarks: buildbenchmarks

strip: strip-static strip-shared

strip-static_c: static_c
% for lib in libs:
% if not lib.get("c++", False):
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.a"
	$(Q) $(STRIP) libs/lib${lib.name}.a
% endif
% endif
% endfor

strip-static_cxx: static_cxx
% for lib in libs:
% if lib.get("c++", False):
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.a"
	$(Q) $(STRIP) libs/lib${lib.name}.a
% endif
% endif
% endfor

strip-shared_c: shared_c
% for lib in libs:
% if not lib.get("c++", False):
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.so"
	$(Q) $(STRIP) libs/lib${lib.name}.so.$(VERSION)
% endif
% endif
% endfor

strip-shared_cxx: shared_cxx
% for lib in libs:
% if lib.get("c++", False):
% if lib.build == "all":
	$(E) "[STRIP]   Stripping lib${lib.name}.so"
	$(Q) $(STRIP) libs/lib${lib.name}.so.$(VERSION)
% endif
% endif
% endfor

gens/%.pb.cc : %.proto
	$(E) "[PROTOC]  Generating protobuf CC file from $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(PROTOC) --cpp_out=gens $<

deps/%.dep : %.c
	$(E) "[DEP]     Generating dependencies for $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CC) $(CFLAGS) $(CPPFLAGS_NO_ARCH) -MG -M $< > $@

deps/%.dep : gens/%.pb.cc
	$(E) "[DEP]     Generating dependencies for $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS_NO_ARCH) -MG -M $< > $@

deps/%.dep : %.cc
	$(E) "[DEP]     Generating dependencies for $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS_NO_ARCH) -MG -M $< > $@

objs/%.o : %.c
	$(E) "[C]       Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<

objs/%.o : gens/%.pb.cc
	$(E) "[CXX]     Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<

objs/%.o : %.cc
	$(E) "[CXX]     Compiling $<"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<

dep: dep_c dep_cxx

dep_c:\
% for lib in libs:
% if not lib.get('c++', False):
 deps_lib${lib.name}\
% endif
% endfor
% for tgt in targets:
% if not tgt.get('c++', False):
 deps_${tgt.name}\
% endif
% endfor


dep_cxx:\
% for lib in libs:
% if lib.get('c++', False):
 deps_lib${lib.name}\
% endif
% endfor
% for tgt in targets:
% if tgt.get('c++', False):
 deps_${tgt.name}\
% endif
% endfor


install: install_c install_cxx

install_c: install-headers_c install-static_c install-shared_c

install_cxx: install-headers_cxx install-static_cxx install-shared_cxx

install-headers: install-headers_c install-headers_cxx

install-headers_c:
	$(E) "[INSTALL] Installing public C headers"
	$(Q) $(foreach h, $(PUBLIC_HEADERS_C), $(INSTALL) $(h) $(prefix)/$(h) && ) exit 0 || exit 1

install-headers_cxx:
	$(E) "[INSTALL] Installing public C++ headers"
	$(Q) $(foreach h, $(PUBLIC_HEADERS_CXX), $(INSTALL) $(h) $(prefix)/$(h) && ) exit 0 || exit 1

install-static: install-static_c install-static_cxx

install-static_c: static_c strip-static_c
% for lib in libs:
% if not lib.get("c++", False):
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.a"
	$(Q) $(INSTALL) libs/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
% endif
% endif
% endfor

install-static_cxx: static_cxx strip-static_cxx
% for lib in libs:
% if lib.get("c++", False):
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.a"
	$(Q) $(INSTALL) libs/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
% endif
% endif
% endfor

install-shared_c: shared_c strip-shared_c
% for lib in libs:
% if not lib.get("c++", False):
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.so"
	$(Q) $(INSTALL) libs/lib${lib.name}.so.$(VERSION) $(prefix)/lib/lib${lib.name}.so.$(VERSION)
% endif
% endif
% endfor

install-shared_cxx: shared_cxx strip-shared_cxx
% for lib in libs:
% if lib.get("c++", False):
% if lib.build == "all":
	$(E) "[INSTALL] Installing lib${lib.name}.so"
	$(Q) $(INSTALL) libs/lib${lib.name}.so.$(VERSION) $(prefix)/lib/lib${lib.name}.so.$(VERSION)
% endif
% endif
% endfor

clean:\
% for lib in libs:
 clean_lib${lib.name}\
% endfor
% for tgt in targets:
 clean_${tgt.name}\
% endfor

	$(Q) $(RM) -r deps objs libs bins gens


# The various libraries

% for lib in libs:
${makelib(lib)}
% endfor


# All of the test targets

% for tgt in targets:
${maketarget(tgt)}
% endfor

<%def name="makelib(lib)">
LIB${lib.name.upper()}_SRC = \\

% for src in lib.src:
    ${src} \\

% endfor

% if "public_headers" in lib:
% if lib.get("c++", False):
PUBLIC_HEADERS_CXX += \\

% else:
PUBLIC_HEADERS_C += \\

% endif
% for hdr in lib.public_headers:
    ${hdr} \\

% endfor
% endif

LIB${lib.name.upper()}_OBJS = $(addprefix objs/, $(addsuffix .o, $(basename $(LIB${lib.name.upper()}_SRC))))
LIB${lib.name.upper()}_DEPS = $(addprefix deps/, $(addsuffix .dep, $(basename $(LIB${lib.name.upper()}_SRC))))

libs/lib${lib.name}.a: $(LIB${lib.name.upper()}_OBJS)
	$(E) "[AR]      Creating $@"
	$(Q) mkdir -p `dirname $@`
	$(Q) $(AR) rcs libs/lib${lib.name}.a $(LIB${lib.name.upper()}_OBJS)

% if lib.build == "all":
libs/lib${lib.name}.so.$(VERSION): $(LIB${lib.name.upper()}_OBJS)
	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
% if lib.get('c++', False):
	$(Q) $(LDXX) $(LDFLAGS) -shared -Wl,-soname,lib${lib.name}.so.${settings.version.major} \
% else:
	$(Q) $(LD) $(LDFLAGS) -shared -Wl,-soname,lib${lib.name}.so.${settings.version.major} \
% endif
-o libs/lib${lib.name}.so.$(VERSION) $(LIB${lib.name.upper()}_OBJS) $(LDLIBS)\
% if lib.secure:
 $(LDLIBS_SECURE)
% endif
% endif


deps_lib${lib.name}: $(LIB${lib.name.upper()}_DEPS)

ifneq ($(MAKECMDGOALS),clean)
-include $(LIB${lib.name.upper()}_DEPS)
endif

clean_lib${lib.name}:
	$(E) "[CLEAN]   Cleaning lib${lib.name} files"
	$(Q) $(RM) $(LIB${lib.name.upper()}_OBJS)
	$(Q) $(RM) $(LIB${lib.name.upper()}_DEPS)
	$(Q) $(RM) libs/lib${lib.name}.a
	$(Q) $(RM) libs/lib${lib.name}.so.$(VERSION)
</%def>

<%def name="maketarget(tgt)">
${tgt.name.upper()}_SRC = \\

% for src in tgt.src:
    ${src} \\

% endfor

${tgt.name.upper()}_OBJS = $(addprefix objs/, $(addsuffix .o, $(basename $(${tgt.name.upper()}_SRC))))
${tgt.name.upper()}_DEPS = $(addprefix deps/, $(addsuffix .dep, $(basename $(${tgt.name.upper()}_SRC))))

bins/${tgt.name}: $(${tgt.name.upper()}_OBJS)\
% for dep in tgt.deps:
 libs/lib${dep}.a\
% endfor

	$(E) "[LD]      Linking $@"
	$(Q) mkdir -p `dirname $@`
% if tgt.get("c++", False):
	$(Q) $(LDXX) $(LDFLAGS) $(${tgt.name.upper()}_OBJS) $(GTEST_LIB) -Llibs\
% else:
	$(Q) $(LD) $(LDFLAGS) $(${tgt.name.upper()}_OBJS) -Llibs\
% endif
% for dep in tgt.deps:
 -l${dep}\
% endfor
% if tgt.get("c++", False):
 $(LDLIBSXX)\
% endif
 $(LDLIBS)\
% if tgt.get('secure', True):
 $(LDLIBS_SECURE)\
% endif
 -o bins/${tgt.name}

deps_${tgt.name}: $(${tgt.name.upper()}_DEPS)

ifneq ($(MAKECMDGOALS),clean)
-include $(${tgt.name.upper()}_DEPS)
endif

clean_${tgt.name}:
	$(E) "[CLEAN]   Cleaning ${tgt.name} files"
	$(Q) $(RM) $(${tgt.name.upper()}_OBJS)
	$(Q) $(RM) $(${tgt.name.upper()}_DEPS)
	$(Q) $(RM) bins/${tgt.name}
</%def>

.PHONY: all strip tools \
buildtests buildtests_c buildtests_cxx \
test test_c test_cxx \
install install_c install_cxx \
install-headers install-headers_c install-headers_cxx \
install-shared install-shared_c install-shared_cxx \
install-static install-static_c install-static_cxx \
strip strip-shared strip-static \
strip_c strip-shared_c strip-static_c \
strip_cxx strip-shared_cxx strip-static_cxx \
clean\
% for lib in libs:
 deps_lib${lib.name} clean_lib${lib.name}\
% endfor
% for tgt in targets:
 deps_${tgt.name} clean_${tgt.name}\
% endfor