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Build: add -MP option to add dummy rules to *.d files 

This adds a phony target for each dependency other than the main
file, causing each to depend on nothing.

Without this, the incremental build will fail when a header file
is removed.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-12-22 15:23:05 +09:00
parent 710ea1d01a
commit 1d274ab00f
1 changed files with 1 additions and 1 deletions
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2
make_helpers/build_macros.mk
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@ -184,7 +184,7 @@ endef
# Auxiliary macros to build TF images from sources
################################################################################
MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@
MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP
# MAKE_C builds a C source file and generates the dependency file
# $(1) = output directory