Util Makefile snippets

debug.mk

# DEBUG VARIABLE FUNCTION
#
# USAGE: $(call debug,<var_name>)
# <var_name> is the identifier of the variable to debug
#
# EXAMPLE:
# $(call debug,ARCH) print "ARCH = x86" provided the variable ARCH has the value "x86"
debug = $(info $1 = $($1))

rwildcard.mk

# RECURSIVE WILDCARD FUNCTION
#
# USAGE: $(call rwildcard,<rootdir>,<wildcard>)
# <rootdir> is the directory from which to start the search (empty for current directory)
# <wilcard> is the argument of the standard wilcard function
#
# EXAMPLES:
# $(call rwildcard,,*.c *.h) search all .c and .h files from the current directory
# $(call rwdilcard,src/,*.ts) search all *.ts files from the src/ directory
rwildcard = $(strip $(foreach d,$(wildcard $(patsubst %/,%,$1)/*),$(filter $(subst *,%,$2),$(d)) $(call rwildcard,$(d)/,$2)))