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update promotion rules to not fail when .dsym file does not exist

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This commit is contained in:
Niko Matsakis 2012-03-22 07:31:18 -07:00
parent b653a18416
commit ea6030878a
1 changed files with 8 additions and 1 deletions
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9
mk/host.mk
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@ -45,8 +45,15 @@ $$(HLIB$(2)_H_$(4))/$$(CFG_CORELIB): \
$$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME) $$(HLIB$(2)_H_$(4))/$$(CFG_RUNTIME)
@$$(call E, cp: $$@) @$$(call E, cp: $$@)
$$(Q)cp $$< $$@ $$(Q)cp $$< $$@
# Subtle: We do not let the shell expand $(CORELIB_DSYM_GLOB) directly rather
# we use Make's $$(wildcard) facility. The reason is that, on mac, when using
# USE_SNAPSHOT_CORELIB, we copy the core.dylib file out of the snapshot.
# In that case, there is no .dSYM file. Annoyingly, bash then refuses to expand
# glob, and cp reports an error because libcore-*.dylib.dsym does not exist.
# Make instead expands the glob to nothing, which gives us the correct behavior.
# (Copy .dsym file if it exists, but do nothing otherwise)
$$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(CORELIB_GLOB) \ $$(Q)cp -R $$(TLIB$(1)_T_$(4)_H_$(3))/$(CORELIB_GLOB) \
$$(TLIB$(1)_T_$(4)_H_$(3))/$(CORELIB_DSYM_GLOB) \ $$(wildcard $$(TLIB$(1)_T_$(4)_H_$(3))/$(CORELIB_DSYM_GLOB)) \
$$(HLIB$(2)_H_$(4)) $$(HLIB$(2)_H_$(4))
$$(HLIB$(2)_H_$(4))/$$(CFG_STDLIB): \ $$(HLIB$(2)_H_$(4))/$$(CFG_STDLIB): \