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Support clang and FreeBSD #16

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34 changes: 27 additions & 7 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -34,23 +34,35 @@ else ifneq ($(CROSS_COMPILER), )
CXX = $(CROSS_COMPILER)
CC = $(subst g++,gcc,$(CROSS_COMPILER))
else
CXX = g++
CC = gcc
# Native host build, use the supplied compiler
CXX = c++
CC = cc
endif

OBJ = o
CXXFLAGS ?= -std=c++0x -O -Wall -Wno-reorder -Wno-deprecated-declarations
CXX_NO_WARN ?= -Wno-reorder -Wno-deprecated-declarations
CXXFLAGS ?= -std=c++0x -O -Wall
CFLAGS ?= -O -Wall

# A couple of steps to workaround gmake 3.81 issues
CLANGr = $(shell ${CXX} -dM -E - < /dev/null | grep __clang__)
CLANG = $(shell echo "$(CLANGr)" | sed "s/.*__clang__.*/yes/")

ifeq ($(CLANG), yes)
CXX_NO_WARN += -Wno-deprecated-register
else
GCCVERSIONGTEQ9 := $(shell expr `${CXX} -dumpversion | cut -f1 -d.` \>= 9)
ifeq "$(GCCVERSIONGTEQ9)" "1"
CXXFLAGS += -Wno-aligned-new -Wno-misleading-indentation -Wno-class-memaccess
CXX_NO_WARN += -Wno-aligned-new -Wno-misleading-indentation -Wno-class-memaccess
endif
endif

CXXFLAGS += $(CXX_NO_WARN)

EXEC = bootgen
UNAME := $(shell uname)

ifeq ($(UNAME), Linux)
ifeq ($(UNAME),$(filter $(UNAME),Linux FreeBSD))
INCLUDE_SYS = -I.
LIBS = -lssl -lcrypto
RTLIBS =
Expand All @@ -61,16 +73,20 @@ INCLUDE = $(INCLUDE_USER) $(INCLUDE_SYS)

OPTIONS = $(OPTIONS_USER)

DEPS_GEN = -MD -MP -MF ${@:.o=.d}

all: $(EXEC) $(RTLIBS)

OBJECTS = $(addsuffix .o, $(basename $(wildcard *.cpp)))
OBJECTS += $(addsuffix .o, $(basename $(wildcard *.c)))

DEPS = $(OBJECTS:.o=.d)

%.${OBJ} : %.cpp
${CXX} -c ${CXXFLAGS} $(OPTIONS) ${INCLUDE} $<
${CXX} -c ${CXXFLAGS} $(OPTIONS) $(DEPS_GEN) ${INCLUDE} $<

%.${OBJ} : %.c
${CC} -c ${CFLAGS} $(OPTIONS) ${INCLUDE} $<
${CC} -c ${CFLAGS} $(OPTIONS) $(DEPS_GEN) ${INCLUDE} $<

${EXEC}: $(OBJECTS)
echo Building executable file: $@...
Expand All @@ -82,3 +98,7 @@ clean:
echo
rm -rf ${EXEC}
rm -f $(OBJECTS)

ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif