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This will work if $(TOP_SRC_DIR) has exactly one subdirectory with .ninja_deps. Otherwise, BUILD_DIR has to be specified.
15 lines
494 B
Makefile
15 lines
494 B
Makefile
# Try to guess the build directory:
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# we look for subdirectories of ../.. that look like ninja build dirs.
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ifeq ($(BUILD_DIR),)
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dirs = $(dir $(wildcard ../../*/.ninja_log))
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ifeq ($(dirs),)
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$(error Cannot guess build dir, set BUILD_DIR)
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endif
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ifneq ($(firstword $(dirs)),$(dirs))
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$(warning Candidates: $(dirs))
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$(error Too many build dirs to pick from, set BUILD_DIR)
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endif
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BUILD_DIR=$(dirs)
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endif
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