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authorJiri Olsa <[email protected]>2014-12-30 16:44:11 +0100
committerArnaldo Carvalho de Melo <[email protected]>2015-02-12 11:20:44 -0300
commit579ff6d409afa00e78822be9482d382dffd29ff4 (patch)
tree7b86766494ab88137223c380fa2f1fa292e51dd8
parentfcfd6611fbccdbf2593bd949097a5c0e45cd96da (diff)
tools build: Add subdir support
Add support to make directory any time we build objects out of the tree (O=/tmp/krava) and the output directory does not exist. Signed-off-by: Jiri Olsa <[email protected]> Tested-by: Sukadev Bhattiprolu <[email protected]> Tested-by: Will Deacon <[email protected]> Cc: Alexis Berlemont <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Corey Ashford <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/build/Makefile.build7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 35174d920476..692e1b154200 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -37,6 +37,11 @@ subdir-obj-y :=
build-file := $(dir)/Build
include $(build-file)
+# Create directory unless it exists
+quiet_cmd_mkdir = MKDIR $(dir $@)
+ cmd_mkdir = mkdir -p $(dir $@)
+ rule_mkdir = $(if $(wildcard $(dir $@)),,@$(call echo-cmd,mkdir) $(cmd_mkdir))
+
# Compile command
quiet_cmd_cc_o_c = CC $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
@@ -49,9 +54,11 @@ quiet_cmd_ld_multi = LD $@
# Build rules
$(OUTPUT)%.o: %.c FORCE
+ $(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)%.o: %.S FORCE
+ $(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
# Gather build data: