mirror of
https://github.com/rust-lang/rust
synced 2024-09-05 16:57:03 +00:00
21cf9c8698
llvm-config is the file we base our LLVM build rule on, but rebuilding LLVM doesn't always rebuild it, so touch.
23 lines
684 B
Makefile
23 lines
684 B
Makefile
# Recursive wildcard function
|
|
# http://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
|
|
rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) \
|
|
$(filter $(subst *,%,$2),$d))
|
|
|
|
# This is just a rough approximation of LLVM deps
|
|
LLVM_DEPS=$(call rwildcard,$(CFG_LLVM_SRC_DIR),*cpp *hpp)
|
|
|
|
define DEF_LLVM_RULES
|
|
|
|
# If CFG_LLVM_ROOT is defined then we don't build LLVM ourselves
|
|
ifeq ($(CFG_LLVM_ROOT),)
|
|
|
|
$$(LLVM_CONFIG_$(1)): $$(LLVM_DEPS)
|
|
@$$(call E, make: llvm)
|
|
$$(Q)$$(MAKE) -C $$(CFG_LLVM_BUILD_DIR_$(1)) $$(CFG_LLVM_BUILD_ENV)
|
|
$$(Q)touch $$(LLVM_CONFIG_$(1))
|
|
endif
|
|
|
|
endef
|
|
|
|
$(foreach target,$(CFG_TARGET_TRIPLES), \
|
|
$(eval $(call DEF_LLVM_RULES,$(target)))) |