0004-Makefile-provide-an-option-to-not-build-manpages.patch
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From 3c16d0b7bf809a56affd6e1a4c0998027968b91a Mon Sep 17 00:00:00 2001
From: Ulf Samuelsson <ulf.samuelsson@atmel.com>
Date: Mon, 8 Feb 2016 23:03:48 +0100
Subject: [PATCH] Makefile: provide an option to not build manpages
The process of generating the vpnc.8 man page consists in running the
vpnc tool itself, and parse its --long-help output. While this is
perfectly fine when building natively, it fails completely when
cross-compiling: the vpnc binary that was built cannot be executed on
the build machine.
In order to support such situations with minimal changes, this patch
adjusts the Makefile to make it understand a MANS variable. By
default, it's defined to "vpnc.8", which means the manpage continues
to be built as usual. However, if it's overriden to be empty, then no
manpage is built.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
Makefile | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 7ac225a..ea2cd41 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,7 @@ endif
SRCS = sysdep.c vpnc-debug.c isakmp-pkt.c tunip.c config.c dh.c math_group.c supp.c decrypt-utils.c crypto.c $(CRYPTO_SRCS)
BINS = vpnc cisco-decrypt test-crypto
OBJS = $(addsuffix .o,$(basename $(SRCS)))
+MANS ?= vpnc.8
CRYPTO_OBJS = $(addsuffix .o,$(basename $(CRYPTO_SRCS)))
BINOBJS = $(addsuffix .o,$(BINS))
BINSRCS = $(addsuffix .c,$(BINS))
@@ -76,7 +77,7 @@ ifneq (,$(findstring Apple,$(shell $(CC) --version)))
override CFLAGS += -fstrict-aliasing -freorder-blocks -fsched-interblock
endif
-all : $(BINS) vpnc.8
+all : $(BINS) $(MANS)
vpnc : $(OBJS) vpnc.o
$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
@@ -136,7 +137,9 @@ install-common: all
install -m600 vpnc.conf $(DESTDIR)$(ETCDIR)/default.conf
install -m755 vpnc-disconnect $(DESTDIR)$(SBINDIR)
install -m755 pcf2vpnc $(DESTDIR)$(BINDIR)
+ifneq ($(MANS),)
install -m644 vpnc.8 $(DESTDIR)$(MANDIR)/man8
+endif
install -m644 pcf2vpnc.1 $(DESTDIR)$(MANDIR)/man1
install -m644 cisco-decrypt.1 $(DESTDIR)$(MANDIR)/man1
install -m644 COPYING $(DESTDIR)$(DOCDIR)
--
2.6.4