From b796e3bd8da504afa2bad17ad0c4b0d620fe1025 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Tue, 15 Oct 2019 21:01:52 +0200
Subject: Automate building of doc both from GIT and dist tarball

From both GIT and dist tarball:

- Build html and man automatically if enabled and doxygen is available
- Install html and man if enabled and built successfully, skip otherwise

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 configure.ac             | 1 +
 doc/Makefile.am          | 5 +++++
 doc/man/man3/Makefile.am | 7 +++++++
 3 files changed, 13 insertions(+)

diff --git a/configure.ac b/configure.ac
index a7e5f97..83dd967 100644
--- a/configure.ac
+++ b/configure.ac
@@ -165,6 +165,7 @@ DX_MAN_FEATURE(ON)
 DX_INIT_DOXYGEN(${PACKAGE_NAME}, [${top_builddir}/Doxyfile], [doc])
 AM_CONDITIONAL(ENABLE_DOXYGEN,[test "x${DX_FLAG_doc}" = x1])
 AM_CONDITIONAL(ENABLE_HTML,[test "x${DX_FLAG_html}" = x1])
+AM_CONDITIONAL(ENABLE_MAN,[test "x${DX_FLAG_man}" = x1])
 
 # Check for sample building
 AC_MSG_CHECKING([whether to build sample programs])
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 255c143..203497e 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -7,6 +7,11 @@ DISTCLEANFILES = libnet.tag
 if ENABLE_HTML
 pkgdata_DATA   = html/*
 
+all-local: doc
+
 clean-local:
 	-rm -rf html
+
+doc:
+	$(MAKE) -C @top_builddir@ $@
 endif
diff --git a/doc/man/man3/Makefile.am b/doc/man/man3/Makefile.am
index c5902f6..39ba9c8 100644
--- a/doc/man/man3/Makefile.am
+++ b/doc/man/man3/Makefile.am
@@ -3,3 +3,10 @@ man3_MANS      = $(srcdir)/libnet.3           \
                  $(srcdir)/libnet-macros.3
 DISTCLEANFILES = libnet.3 libnet-functions.3 libnet-macros.3
 EXTRA_DIST     = $(man3_MANS)
+
+if ENABLE_MAN
+$(man3_MANS): doc
+
+doc:
+	$(MAKE) -C @top_builddir@ $@
+endif
-- 
cgit v1.2.1