Hello Guillaume, * Guillaume Rousse wrote on Thu, Feb 08, 2007 at 10:44:35AM CET: > > I just found an issue in GNU make handling of empty variable in > substitutions: > A = foo > LIST = $(A) $(B) > LIST_H = $(LIST:=.h) > > all: > echo $(LIST_H) > > With GNU make 3.80, LIST_H is incorectly expanded to "foo.h .h", whereas > in make 3.81, this is correctly expanded to "foo.h" only. How to > workaround this ?
I think POSIX requires the part between `:' and `=' to be nonempty, but not the part after `='. So write A = foo.h LIST = $(A) $(B) LIST_H = $(LIST:.h=) Hope that helps. Cheers, Ralf
