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-rw-r--r--build-aux/Makefile.each.head/00-gitfiles.mk20
-rw-r--r--build-aux/Makefile.once.head/00-gitfiles.mk32
-rw-r--r--build-aux/Makefile.once.head/00-quote.mk8
3 files changed, 59 insertions, 1 deletions
diff --git a/build-aux/Makefile.each.head/00-gitfiles.mk b/build-aux/Makefile.each.head/00-gitfiles.mk
new file mode 100644
index 0000000..b872912
--- /dev/null
+++ b/build-aux/Makefile.each.head/00-gitfiles.mk
@@ -0,0 +1,20 @@
+# Copyright (C) 2016 Luke Shumaker
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ifeq ($(abspath $(topsrcdir)),$(abspath $(srcdir)))
+files.src.gen += $(gitfiles.file)
+endif
+
+files.src.src += $(_gitfiles.dir.src)
diff --git a/build-aux/Makefile.once.head/00-gitfiles.mk b/build-aux/Makefile.once.head/00-gitfiles.mk
new file mode 100644
index 0000000..95437aa
--- /dev/null
+++ b/build-aux/Makefile.once.head/00-gitfiles.mk
@@ -0,0 +1,32 @@
+# Copyright (C) 2016 Luke Shumaker
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+mod.gitfiles.description = Automatically populate files.src.src from git
+mod.gitfiles.depends += files nested write-ifchanged quote
+
+gitfiles.file ?= Makefile-src.mk
+
+_gitfiles.all =
+-include $(topsrcdir)/$(gitfiles.file)
+
+ifneq ($(wildcard $(topsrcdir)/.git),)
+$(topsrcdir)/$(gitfiles.file): _gitfiles.FORCE
+ @(cd $(@D) && git ls-files -z) | sed -z -e 's/\$$/\$$$$/g' -e 's/\n/$$(at.nl)/g' | xargs -r0 printf '_gitfiles.all+=%s\n' | $(WRITE_IFCHANGED) $@
+.PHONY: _gitfiles.FORCE
+endif
+
+_gitfiles.dir = $(call at.relto,$(topsrcdir),$(srcdir))
+_gitfiles.dir.all = $(patsubst $(_gitfiles.dir)/%,%,$(filter $(_gitfiles.dir)/%,$(_gitfiles.all)))
+_gitfiles.dir.src = $(filter-out $(addsuffix /%,$(nested.subdirs)),$(_gitfiles.dir.all))
diff --git a/build-aux/Makefile.once.head/00-quote.mk b/build-aux/Makefile.once.head/00-quote.mk
index 23be614..17f6307 100644
--- a/build-aux/Makefile.once.head/00-quote.mk
+++ b/build-aux/Makefile.once.head/00-quote.mk
@@ -15,7 +15,13 @@
mod.quote.description = Macros to quote tricky strings
-quote.pattern = $(subst %,\%,$(subst \,\\,$1))
+_quote.backslash = $(if $1,$(call _quote.backslash,$(wordlist 2,$(words $1),$1),$(subst $(firstword $1),\$(firstword $1),$2)),$2)
+
+quote.var = $(subst $(at.nl),\$(at.nl),$(subst $$,$$$$,$1))
+quote.pattern = $(call _quote.backslash, \ % ,$1)
+quote.ere = $(call _quote.backslash, \ ^ . [ $$ ( ) | * + ? { ,$1)
+quote.bre = $(call _quote.backslash, \ ^ . [ $$ * ,$1)
+
quote.shell-each = $(foreach _quote.tmp,$1,$(call quote.shell,$(_mod.tmp)))
# I put this as the last line in the file because it confuses Emacs syntax