# compiler executables --------------------------------------------------------

CC = gcc
CXX = g++

# language standard -----------------------------------------------------------

  CSTD = -std=c89 -Wno-unused-function
# CSTD = -std=c99
  CXXSTD = -std=c++98
# CXXSTD = -std=c++11

# common compiler options -----------------------------------------------------

FLAGS = -O3 -fPIC -Wall -Wextra -pedantic -I../include
SOFLAGS =

# macOS compiler options (uncomment on macOS) ---------------------------------

# SOFLAGS += -undefined dynamic_lookup

# required compiler macros ----------------------------------------------------

# floating-point arithmetic implementation; choose one
#   FAST: optimize for speed; may impact correctness and portability
#   SAFE: use volatile accumulator
#   EMUL: emulate floating-point arithmetic
#   INT: reinterpret floating-point numbers as integers; most portable

  FPZIP_FP = FPZIP_FP_FAST
# FPZIP_FP = FPZIP_FP_SAFE
# FPZIP_FP = FPZIP_FP_EMUL
# FPZIP_FP = FPZIP_FP_INT

# output buffer size in bytes (ideally the disk block size)
  FPZIP_BLOCK_SIZE = 0x1000
# FPZIP_BLOCK_SIZE = 1

# optional compiler macros ----------------------------------------------------

# use long long for 64-bit types
# DEFS += -DFPZIP_INT64='long long' -DFPZIP_INT64_SUFFIX='ll'
# DEFS += -DFPZIP_UINT64='unsigned long long' -DFPZIP_UINT64_SUFFIX='ull'

# bitwise type conversion mechanisms (defaults to memcpy)
# FPZIP_CONV = -DFPZIP_WITH_REINTERPRET_CAST
# FPZIP_CONV = -DFPZIP_WITH_UNION

DEFS += -DFPZIP_BLOCK_SIZE=$(FPZIP_BLOCK_SIZE) -DFPZIP_FP=$(FPZIP_FP) $(FPZIP_CONV)

# build targets ---------------------------------------------------------------

# default targets
BUILD_UTILITIES = 1
BUILD_TESTING = 1
BUILD_SHARED_LIBS = 0

# build all targets?
ifdef BUILD_ALL
  ifneq ($(BUILD_ALL),0)
    BUILD_UTILITIES = 1
    BUILD_TESTING = 1
  endif
endif

# build shared libraries?
ifneq ($(BUILD_SHARED_LIBS),0)
  LIBRARY = shared
  LIBFPZIP = libfpzip.so
else
  LIBRARY = static
  LIBFPZIP = libfpzip.a
endif

# conditionals ----------------------------------------------------------------

# compiler options ------------------------------------------------------------

CFLAGS = $(CSTD) $(FLAGS) $(DEFS)
CXXFLAGS = $(CXXSTD) $(FLAGS) $(DEFS)