debugging Makefile

tex/Makefile

 SRC = $(shell ls *.tex)
 T1 = paper.pdf
 I1 = cicm18-viewfinder.pdf
-T1 = report.pdf
-I1 = viewfinder-report.pdf
+T2 = report.pdf
+I2 = viewfinder-report.pdf
 PI1 = papers/$(I1)
 PI2 = submit/$(I2)
 TARGET = $(T1) $(T2)