smbfactor.c compilation

[xydinesh]

UPDATE: Now respects CC variable, but still passes U_GNU_C flag. Is this necessary?

smbfactor.c compilation does not respect the compilers in CC variable, we may need to define two variables for CC and CXX

lib_graphd/src/Makefile, Line 6

%.o: $(METIS_PROG_DIR)/%.c
gcc $(INCLUDES) $(CFLAGS) -U__GNUC__ -c $<

gcc -I../inc/ -I/usr/local/include -I/tmp/work/d8w/smoky/metis-5.0.2//include -I/tmp/work/d8w/smoky/metis-5.0.2//libmetis -I/tmp/work/d8w/smoky/metis-5.0.2//GKlib -I/tmp/work/d8w/smoky/metis-5.0.2//programs -I/tmp/work/d8w/smoky/AMD//Include -I/tmp/work/d8w/smoky/AMD//../UFconfig -O3 -D__LOG_ENABLE__ -D__MADNESS__ -std=c++0x -Wno-strict-aliasing -Wno-deprecated -ffast-math -march=native -D__PARALLEL__ -D__OPENMP__ -fopenmp -DHAS_METIS -D_FILE_OFFSET_BITS=64 -DHAS_AMD -U__GNUC__ -c /tmp/work/d8w/smoky/metis-5.0.2//programs/smbfactor.c

[xydinesh]

I don't think we need U_GNU_C flag unless we are using gcc

[bdsullivan]

Right, but how do we detect whether or not $(CC) is gcc?