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Makefile: detect rst2man

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On some distros, rst2man has a .py extension and there is no rst2man.
Fix build on such systems by detecting what is available.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
This commit is contained in:
Stijn Tintel 2021-07-23 23:06:26 +03:00 committed by Kent Overstreet
parent 632feaa69a
commit 05c9879524
1 changed files with 13 additions and 1 deletions
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14
Makefile
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@ -72,6 +72,18 @@ else
INITRAMFS_DIR=/etc/initramfs-tools
endif
var := $(shell rst2man 2>/dev/null)
ifeq ($(.SHELLSTATUS),0)
RST2MAN=rst2man
endif
var := $(shell rst2man.py 2>/dev/null)
ifeq ($(.SHELLSTATUS),0)
RST2MAN=rst2man.py
endif
undefine var
.PHONY: all
all: bcachefs bcachefs.5
@ -95,7 +107,7 @@ DOCDEPS := $(addprefix ./doc/,$(DOCSRC))
bcachefs.5: $(DOCDEPS) libbcachefs/opts.h
$(CC) doc/opts_macro.h -I libbcachefs -I include -E 2>/dev/null \
| doc/macro2rst.py
rst2man doc/bcachefs.5.rst bcachefs.5
$(RST2MAN) doc/bcachefs.5.rst bcachefs.5
SRCS=$(shell find . -type f -iname '*.c')
DEPS=$(SRCS:.c=.d)