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-rw-r--r--share/mk/configure/build-depends/groff-base/nroff.mk35
1 files changed, 35 insertions, 0 deletions
diff --git a/share/mk/configure/build-depends/groff-base/nroff.mk b/share/mk/configure/build-depends/groff-base/nroff.mk
new file mode 100644
index 0000000..b131e15
--- /dev/null
+++ b/share/mk/configure/build-depends/groff-base/nroff.mk
@@ -0,0 +1,35 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_BASE_NROFF_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_BASE_NROFF_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/coreutils/echo.mk
+include $(MAKEFILEDIR)/configure/build-depends/coreutils/expr.mk
+include $(MAKEFILEDIR)/configure/build-depends/grep/grep.mk
+include $(MAKEFILEDIR)/configure/build-depends/libc-bin/locale.mk
+include $(MAKEFILEDIR)/configure/build-depends/man/man.mk
+
+
+NROFF_CHECKSTYLE_LVL := 3
+NROFF_LINE_LENGTH := $(shell $(EXPR) $(MANWIDTH) - 2)
+NROFF_OUT_DEVICE := \
+ $(shell $(LOCALE) charmap \
+ | $(GREP) -i 'utf-*8' >/dev/null \
+ && $(ECHO) utf8 \
+ || $(ECHO) ascii \
+ )
+
+
+DEFAULT_NROFFFLAGS := \
+ -T$(NROFF_OUT_DEVICE) \
+ -rLL=$(NROFF_LINE_LENGTH)n \
+ -rCHECKSTYLE=$(NROFF_CHECKSTYLE_LVL) \
+ -ww
+EXTRA_NROFFFLAGS :=
+NROFFFLAGS := $(DEFAULT_NROFFFLAGS) $(EXTRA_NROFFFLAGS)
+
+
+endif # include guard