From 37badc3663954c7c2e0a10c3c7a233071406cc5a Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Tue, 12 Apr 2016 15:43:42 +0900
Subject: [PATCH] fix Makefile

---
 Makefile | 135 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 122 insertions(+), 13 deletions(-)

diff --git a/Makefile b/Makefile
index 4d9370e..a762036 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,129 @@
-include common.mk
+GCC_VER=$(shell $(PRE)$(CC) -dumpversion)
+UNAME_S=$(shell uname -s)
+ifeq ($(UNAME_S),Linux)
+  OS=Linux
+endif
+ifneq ($(UNAME_S),Darwin)
+  LDFLAGS+=-lrt
+endif
+BIT?=64
+ifeq ($(BIT),32)
+  CPU?=x86
+else
+  ifeq ($(BIT),64)
+    CPU?=x86-64
+  endif
+endif
 
-all:
-	$(MKDIR) bin
-	$(MAKE) -C test
-	$(MAKE) -C sample
 
-test:
-	$(MAKE) -C test test
+CP=cp -f
+AR=ar r
+MKDIR=mkdir -p
+RM=rm -rf
 
-sample:
-	$(MAKE) -C sample test
+
+CFLAGS_OPT+=-fomit-frame-pointer -DNDEBUG
+ifeq ($(CXX),clang++)
+  CFLAGS_OPT+=-O3
+else
+  ifeq ($(shell expr $(GCC_VER) \> 4.6.0),1)
+    CFLAGS_OPT+=-Ofast
+  else
+    CFLAGS_OPT+=-O3
+  endif
+endif
+ifeq ($(MARCH),)
+ifeq ($(shell expr $(GCC_VER) \> 4.2.1),1)
+  CFLAGS_OPT+=-march=native
+endif
+else
+  CFLAGS_OPT+=$(MARCH)
+endif
+CFLAGS_WARN=-Wall -Wextra -Wformat=2 -Wcast-qual -Wcast-align -Wwrite-strings -Wfloat-equal -Wpointer-arith
+CFLAGS+= -g3
+ifeq ($(BIT),0)
+  BIT_OPT=
+else
+  BIT_OPT=-m$(BIT)
+endif
+INC_OPT=-I include -I test -I ../xbyak -I ../cybozulib/include
+CFLAGS+=$(CFLAGS_WARN) $(BIT_OPT) $(INC_OPT)
+DEBUG=0
+ifeq ($(DEBUG),0)
+CFLAGS+=$(CFLAGS_OPT)
+endif
+LDFLAGS+=-lgmp -lgmpxx -lcrypto $(BIT_OPT)
+
+OBJ_DIR=obj
+EXE_DIR=bin
+
+SRC_SRC=fp.cpp
+TEST_SRC=fp_test.cpp ec_test.cpp fp_util_test.cpp window_method_test.cpp elgamal_test.cpp fp_tower_test.cpp
+ifeq ($(CPU),x86-64)
+  TEST_SRC+=fp_generator_test.cpp mont_fp_test.cpp
+endif
+SAMPLE_SRC=bench.cpp ecdh.cpp random.cpp rawbench.cpp vote.cpp
+
+##################################################################
+MCL_LIB=lib/libmcl.a
+all: $(MCL_LIB)
+
+ASM_SRC_TXT=once.txt all.txt long.txt short.txt mul.txt
+LIB_OBJ=$(OBJ_DIR)/$(CPU).o $(OBJ_DIR)/fp.o
+LLVM_VER=-3.6
+LLVM_LLC=llc$(LLVM_VER)
+LLVM_OPT=opt$(LLVM_VER)
+
+# CPU is used for llvm
+# see $(LLVM_LLC) --version
+LLVM_FLAGS=-march=$(CPU)
+
+HAS_BMI2=$(shell cat "/proc/cpuinfo" | grep bmi2 >/dev/null && echo "1")
+ifeq ($(HAS_BMI2),1)
+  LLVM_FLAGS+=-mattr=bmi2
+endif
+
+$(MCL_LIB): $(LIB_OBJ)
+	$(AR) $@ $(LIB_OBJ)
+
+$(OBJ_DIR)/$(CPU).o: src/$(CPU).s
+	$(MKDIR) $(OBJ_DIR) $(EXE_DIR)
+	$(PRE)$(CXX) -c $< -o $@ $(CFLAGS)
+
+src/base$(BIT).ll: $(addprefix src/, gen.py $(ASM_SRC_TXT))
+	cd src && python gen.py $(BIT)
+
+src/$(CPU).s: src/base$(BIT).ll
+	$(LLVM_OPT) -O3 -o - $< | $(LLVM_LLC) -O3 -o $@ $(LLVM_FLAGS)
+
+##################################################################
+
+VPATH=test sample src
+
+.SUFFIXES: .cpp .d .exe
+
+$(OBJ_DIR)/%.o: %.cpp
+	$(PRE)$(CXX) $(CFLAGS) -c $< -o $@ -MMD -MP -MF $(@:.o=.d)
+
+$(EXE_DIR)/%.exe: $(OBJ_DIR)/%.o $(MCL_LIB)
+	$(PRE)$(CXX) $< -o $@ $(MCL_LIB) $(LDFLAGS)
+
+SAMPLE_EXE=$(addprefix $(EXE_DIR)/,$(SAMPLE_SRC:.cpp=.exe))
+sample: $(SAMPLE_EXE) $(MCL_LIB)
+
+TEST_EXE=$(addprefix $(EXE_DIR)/,$(TEST_SRC:.cpp=.exe))
+test: $(TEST_EXE)
+	@echo test $(TEST_EXE)
+	@sh -ec 'for i in $(TEST_EXE); do $$i|grep "ctest:name"; done' > result.txt
+	@grep -v "ng=0, exception=0" result.txt || echo "all unit tests are ok"
 
 clean:
-	$(MAKE) -C src clean
-	$(MAKE) -C test clean
-	$(MAKE) -C sample clean
+	$(RM) $(MCL_LIB) src/base$(BIT).ll src/$(CPU).s $(OBJ_DIR)/* $(EXE_DIR)/*.exe
 
-.PHONY: sample
+ALL_SRC=$(SRC_SRC) $(TEST_SRC) $(SAMPLE_SRC)
+DEPEND_FILE=$(addprefix $(OBJ_DIR)/, $(ALL_SRC:.cpp=.d))
+-include $(DEPEND_FILE)
 
+# don't remove these files automatically
+.SECONDARY: $(addprefix $(OBJ_DIR)/, $(ALL_SRC:.cpp=.o))
+