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-rw-r--r--build/deps.mk18
1 files changed, 18 insertions, 0 deletions
diff --git a/build/deps.mk b/build/deps.mk
new file mode 100644
index 0000000..e8dd9fb
--- /dev/null
+++ b/build/deps.mk
@@ -0,0 +1,18 @@
+# Copyright © Tavian Barnes <tavianator@tavianator.com>
+# SPDX-License-Identifier: 0BSD
+
+# Makefile that generates gen/deps.mk
+
+include build/prelude.mk
+include gen/vars.mk
+include gen/flags.mk
+include build/exports.mk
+
+gen/deps.mk::
+ ${MSG} "[ GEN] $@"
+ printf '# %s\n' "$@" >$@
+ if build/cc.sh -MD -MP -MF /dev/null build/empty.c; then \
+ printf 'DEPFLAGS := -MD -MP\n'; \
+ fi >>$@ 2>$@.log
+ ${VCAT} $@
+ printf -- '-include %s\n' ${OBJS:.o=.d} >>$@