#
#
#  BLIS    
#  An object-based framework for developing high-performance BLAS-like
#  libraries.
#
#  Copyright (C) 2014, The University of Texas at Austin
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are
#  met:
#   - Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#   - Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   - Neither the name of The University of Texas at Austin nor the names
#     of its contributors may be used to endorse or promote products
#     derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#

#
# Makefile
#
# Field G. Van Zee
# 
# Makefile for BLIS testsuite.
#

#
# --- Makefile PHONY target definitions ----------------------------------------
#

.PHONY: all bin clean \
        check-env check-env-mk check-env-fragments check-env-make-defs \
        run run-amd64 run-x86 run-arm



#
# --- Distribution path override -----------------------------------------------
#

# Override the default DIST_PATH and BUILD_PATH values so that make can find
# the source distribution and build location.
DIST_PATH         := ..
BUILD_PATH        := ..



#
# --- Include common makefile definitions --------------------------------------
#

# Define the name of the common makefile fragment.
COMMON_MK_FILE    := common.mk

# Construct the path to the makefile configuration file that was generated by
# the configure script.
COMMON_MK_PATH    := $(DIST_PATH)/$(COMMON_MK_FILE)

# Include the common makefile fragment.
-include $(COMMON_MK_PATH)

# Detect whether we actually got the common makefile fragment. If we didn't,
# then it is likely that the user has not yet generated it (via configure).
ifeq ($(strip $(COMMON_MK_INCLUDED)),yes)
COMMON_MK_PRESENT := yes
else
COMMON_MK_PRESENT := no
endif



#
# --- Optional overrides -------------------------------------------------------
#

# Uncomment and modify these definitions if you wish to override the values
# present in the current BLIS configuration's makefile definitions file
# (ie: config/<configname>/make_defs.mk).
# CC             := gcc
# LINKER         := $(CC)
# CFLAGS         := -g -O2 -Wall -Wno-comment
# LDFLAGS        := 
# INSTALL_PREFIX := $(HOME)/blis



#
# --- BLAS and LAPACK implementations ------------------------------------------
#

# BLIS library and header path. This is simply wherever it was installed.
#BLIS_LIB_PATH  := $(INSTALL_PREFIX)/lib
#BLIS_INC_PATH  := $(INSTALL_PREFIX)/include/blis

# BLIS library.
#BLIS_LIB_PATH  := $(BUILD_PATH)/$(LIB_DIR)/$(CONFIG_NAME)
#BLIS_LIB       := $(BLIS_LIB_PATH)/libblis.a

# BLAS library path(s). This is where the BLAS libraries reside.
#BLAS_LIB_PATH  := $(HOME)/flame/lib

# OpenBLAS, ATLAS, and MKL libraries.
#BLAS_LIB       := $(LIB_PATH)/libblas.a
#BLAS_LIB       := $(LIB_PATH)/libgoto.a
#BLAS_LIB       := $(LIB_PATH)/libgoto2.a
#OPENBLAS_LIB   := $(BLAS_LIB_PATH)/libopenblas.a
#ATLAS_LIB      := $(BLAS_LIB_PATH)/libf77blas.a \
#                  $(BLAS_LIB_PATH)/libatlas.a
#MKL_LIB        := -L/opt/intel/mkl/10.2.2.025/lib/em64t/ \
#                  -lmkl_sequential -lmkl_core -lmkl_intel_lp64



#
# --- General build definitions ------------------------------------------------
#

TEST_SRC_PATH  := src
TEST_OBJ_PATH  := obj

# Gather all local object files.
TEST_OBJS      := $(sort $(patsubst $(TEST_SRC_PATH)/%.c, \
                                    $(TEST_OBJ_PATH)/%.o, \
                                    $(wildcard $(TEST_SRC_PATH)/*.c)))

# Binary executable name.
TEST_BIN       := test_libblis.x

# Use the CFLAGS for the configuration family.
CFLAGS          := $(call get-frame-cflags-for,$(CONFIG_NAME))

# Add local header paths to CFLAGS
#CFLAGS          += -I$(BLIS_INC_PATH) -I$(TEST_SRC_PATH)
CFLAGS          += -I$(TEST_SRC_PATH)

# Locate the libblis library to which we will link.
LIBBLIS_LINK    := $(BUILD_PATH)/$(LIBBLIS_LINK)


#
# --- Targets/rules ------------------------------------------------------------
#

# --- Primary targets ---

all: check-env bin

bin: check-env $(TEST_BIN)


# --- Environment check rules ---

check-env: check-env-make-defs check-env-fragments check-env-mk

check-env-mk:
ifeq ($(CONFIG_MK_PRESENT),no)
    $(error Cannot proceed: config.mk not detected! Run configure first)
endif

check-env-fragments: check-env-mk
ifeq ($(MAKEFILE_FRAGMENTS_PRESENT),no)
    $(error Cannot proceed: makefile fragments not detected! Run configure first)
endif

check-env-make-defs: check-env-fragments
ifeq ($(MAKE_DEFS_MK_PRESENT),no)
    $(error Cannot proceed: make_defs.mk not detected! Invalid configuration)
endif


# --Object file rules --

$(TEST_OBJ_PATH)/%.o: $(TEST_SRC_PATH)/%.c $(LIBBLIS_LINK)
ifeq ($(BLIS_ENABLE_VERBOSE_MAKE_OUTPUT),yes)
	$(CC) $(CFLAGS) -c $< -o $@
else
	@echo "Compiling $@"
	@$(CC) $(CFLAGS) -c $< -o $@
endif


# -- Executable file rules --

$(TEST_BIN): $(TEST_OBJS) $(LIBBLIS_LINK)
ifeq ($(BLIS_ENABLE_VERBOSE_MAKE_OUTPUT),yes)
	$(LINKER) $(TEST_OBJS) $(LIBBLIS_LINK) $(LDFLAGS) -o $@
else
	@echo "Linking $@ against '$(LIBBLIS_LINK) $(LDFLAGS)'"
	@$(LINKER) $(TEST_OBJS) $(LIBBLIS_LINK) $(LDFLAGS) -o $@
endif

# -- Test run rules --

run: $(TEST_BIN)
	./$(TEST_BIN)

# -- Clean rules --

clean:
	- $(RM_F) $(TEST_OBJS) $(TEST_BIN)

