#
# use GNU-Compiler tools
COMPILER=GCC_
# alternatively from the shell
# export COMPILER=GCC_
# or, alternatively from the shell
# make COMPILER=GCC_

# use Intel compilers
#COMPILER=ICC_

# use PGI compilers
# COMPILER=PGI_

# use CLANG compilers
# COMPILER=CLANG_


#SOURCES = main.cpp
SOURCES = gh_main.cpp
OBJECTS = $(SOURCES:.cpp=.o)

PROGRAM	= main.${COMPILER}

# uncomment the next to lines for debugging and detailed performance analysis
CXXFLAGS += -g
LINKFLAGS += -g
# needed for parallel threads in C++-17
LINKFLAGS += -ltbb

#https://stackoverflow.com/questions/67923287/how-to-resolve-no-member-named-task-in-namespace-tbb-error-when-using-oned
#dpcpp my_app.cpp -DPSTL_USE_PARALLEL_POLICIES=0 # for libstdc++ 9
#dpcpp my_app.cpp -D_GLIBCXX_USE_TBB_PAR_BACKEND=0 # for libstdc++ 10


# do not use -pg with PGI compilers

ifndef COMPILER
  COMPILER=GCC_
endif

include ../${COMPILER}default.mk


task:
	@pdflatex task
	@pdflatex task