build: fix not building docs w/o sphinx

Can't build manpages without sphinx-build, oops...

Signed-off-by: David Lamparter <equinox@diac24.net>

20 files changed, 35 insertions, 24 deletions

diff --git a/bfdd/subdir.am b/bfdd/subdir.am
index 7447519b2..334e974b0 100644
--- a/bfdd/subdir.am
+++ b/bfdd/subdir.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES += bfdd/libbfd.a
 sbin_PROGRAMS += bfdd/bfdd
 dist_examples_DATA += bfdd/bfdd.conf.sample
 vtysh_scan += $(top_srcdir)/bfdd/bfdd_vty.c
-rstman8_DATA += $(MANBUILD)/bfdd.8
+man8 += $(MANBUILD)/bfdd.8
 endif
 
 bfdd_libbfd_a_SOURCES = \
diff --git a/bgpd/subdir.am b/bgpd/subdir.am
index 6ab63abea..429138856 100644
--- a/bgpd/subdir.am
+++ b/bgpd/subdir.am
@@ -42,7 +42,7 @@ endif
 if RPKI
 module_LTLIBRARIES += bgpd/bgpd_rpki.la
 endif
-rstman8_DATA += $(MANBUILD)/bgpd.8
+man8 += $(MANBUILD)/bgpd.8
 endif
 
 bgpd_libbgp_a_SOURCES = \
diff --git a/configure.ac b/configure.ac
index 521d27a68..27fca411d 100755
--- a/configure.ac
+++ b/configure.ac
@@ -1351,8 +1351,13 @@ FRR_INCLUDES
 ])dnl
 
 dnl disable doc check
-AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [no])
-AM_CONDITIONAL(DOC, test "${enable_doc}" != "no")
+AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [/bin/false])
+if test "$SPHINXBUILD" = "/bin/false"; then
+  if test "${enable_doc}" = "yes"; then
+    AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx-build is not available. Please disable docs or install sphinx.])
+  fi
+fi
+AM_CONDITIONAL(DOC, test "${enable_doc}" != "no" -a "$SPHINXBUILD" != "/bin/false")
 AM_CONDITIONAL(DOC_HTML, test "${enable_doc_html}" = "yes")
 
 dnl --------------------
@@ -2077,6 +2082,6 @@ The above user and group must have read/write access to the state file
 directory and to the config files in the config file directory."
 
 if test "${enable_doc}" != "no";then
-  AS_IF([test "x$SPHINXBUILD" = xno],
+  AS_IF([test "$SPHINXBUILD" = /bin/false],
      AC_MSG_WARN(sphinx-build is missing but required to build documentation))
 fi
diff --git a/doc/manpages/subdir.am b/doc/manpages/subdir.am
index 0ce9161db..4a9aa4de4 100644
--- a/doc/manpages/subdir.am
+++ b/doc/manpages/subdir.am
@@ -47,10 +47,16 @@ rstman8dir = $(mandir)/man8
 rstman1_DATA =
 rstman8_DATA =
 
-rstman1_DATA += $(MANBUILD)/frr.1
+if DOC
+rstman1_DATA += $(man1)
+rstman8_DATA += $(man8)
+endif # DOC
+
+man1 = $(MANBUILD)/frr.1
+man8 =
 
 # dependency
-$(rstman8_DATA) $(rstman1_DATA): $(MANBUILD)/man.stamp
+$(man8) $(man1): $(MANBUILD)/man.stamp
 
 #
 # hook-ins for clean / doc
diff --git a/eigrpd/subdir.am b/eigrpd/subdir.am
index 75b77feee..bc48173bb 100644
--- a/eigrpd/subdir.am
+++ b/eigrpd/subdir.am
@@ -11,7 +11,7 @@ vtysh_scan += \
 	$(top_srcdir)/eigrpd/eigrp_vty.c \
 	# end
 #	$(top_srcdir)/eigrpd/eigrp_routemap.c
-rstman8_DATA += $(MANBUILD)/eigrpd.8
+man8 += $(MANBUILD)/eigrpd.8
 endif
 
 eigrpd_libeigrp_a_SOURCES = \
diff --git a/isisd/subdir.am b/isisd/subdir.am
index 855cd9dc5..7571255e5 100644
--- a/isisd/subdir.am
+++ b/isisd/subdir.am
@@ -15,7 +15,7 @@ vtysh_scan += \
 	$(top_srcdir)/isisd/isis_vty_isisd.c \
 	$(top_srcdir)/isisd/isisd.c \
 	# end
-rstman8_DATA += $(MANBUILD)/isisd.8
+man8 += $(MANBUILD)/isisd.8
 endif
 
 if FABRICD
diff --git a/ldpd/subdir.am b/ldpd/subdir.am
index b42f401f2..24e738d62 100644
--- a/ldpd/subdir.am
+++ b/ldpd/subdir.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES += ldpd/libldp.a
 sbin_PROGRAMS += ldpd/ldpd
 dist_examples_DATA += ldpd/ldpd.conf.sample
 vtysh_scan += $(top_srcdir)/ldpd/ldp_vty_cmds.c
-rstman8_DATA += $(MANBUILD)/ldpd.8
+man8 += $(MANBUILD)/ldpd.8
 endif
 
 ldpd_libldp_a_SOURCES = \
diff --git a/nhrpd/subdir.am b/nhrpd/subdir.am
index f7575971e..758c22e2b 100644
--- a/nhrpd/subdir.am
+++ b/nhrpd/subdir.am
@@ -5,7 +5,7 @@
 if NHRPD
 sbin_PROGRAMS += nhrpd/nhrpd
 vtysh_scan += $(top_srcdir)/nhrpd/nhrp_vty.c
-rstman8_DATA += $(MANBUILD)/nhrpd.8
+man8 += $(MANBUILD)/nhrpd.8
 endif
 
 nhrpd_nhrpd_LDADD = lib/libfrr.la @LIBCAP@ @CARES_LIBS@
diff --git a/ospf6d/subdir.am b/ospf6d/subdir.am
index 5338e1ea3..d9c29f265 100644
--- a/ospf6d/subdir.am
+++ b/ospf6d/subdir.am
@@ -26,7 +26,7 @@ vtysh_scan += \
 if SNMP
 module_LTLIBRARIES += ospf6d/ospf6d_snmp.la
 endif
-rstman8_DATA += $(MANBUILD)/ospf6d.8
+man8 += $(MANBUILD)/ospf6d.8
 endif
 
 ospf6d_libospf6_a_SOURCES = \
diff --git a/ospfclient/subdir.am b/ospfclient/subdir.am
index d880f9fc7..df7d85a1f 100644
--- a/ospfclient/subdir.am
+++ b/ospfclient/subdir.am
@@ -5,7 +5,7 @@
 if OSPFCLIENT
 lib_LTLIBRARIES += ospfclient/libfrrospfapiclient.la
 sbin_PROGRAMS += ospfclient/ospfclient
-rstman8_DATA += $(MANBUILD)/ospfclient.8
+man8 += $(MANBUILD)/ospfclient.8
 endif
 
 ospfclient_libfrrospfapiclient_la_LDFLAGS = -version-info 0:0:0
diff --git a/ospfd/subdir.am b/ospfd/subdir.am
index 2b42b5230..83074b5ac 100644
--- a/ospfd/subdir.am
+++ b/ospfd/subdir.am
@@ -19,7 +19,7 @@ vtysh_scan += \
 if SNMP
 module_LTLIBRARIES += ospfd/ospfd_snmp.la
 endif
-rstman8_DATA += $(MANBUILD)/ospfd.8
+man8 += $(MANBUILD)/ospfd.8
 endif
 
 ospfd_libfrrospf_a_SOURCES = \
diff --git a/pbrd/subdir.am b/pbrd/subdir.am
index 49a07e1f6..794755903 100644
--- a/pbrd/subdir.am
+++ b/pbrd/subdir.am
@@ -10,7 +10,7 @@ vtysh_scan += \
 	$(top_srcdir)/pbrd/pbr_vty.c \
 	$(top_srcdir)/pbrd/pbr_debug.c \
 	# end
-rstman8_DATA += $(MANBUILD)/pbrd.8
+man8 += $(MANBUILD)/pbrd.8
 endif
 
 pbrd_libpbr_a_SOURCES = \
diff --git a/pimd/subdir.am b/pimd/subdir.am
index 00cabb99b..fef8e3657 100644
--- a/pimd/subdir.am
+++ b/pimd/subdir.am
@@ -9,8 +9,8 @@ bin_PROGRAMS += pimd/mtracebis
 noinst_PROGRAMS += pimd/test_igmpv3_join
 dist_examples_DATA += pimd/pimd.conf.sample
 vtysh_scan += $(top_srcdir)/pimd/pim_cmd.c
-rstman8_DATA += $(MANBUILD)/pimd.8
-rstman8_DATA += $(MANBUILD)/mtracebis.8
+man8 += $(MANBUILD)/pimd.8
+man8 += $(MANBUILD)/mtracebis.8
 endif
 
 pimd_libpim_a_SOURCES = \
diff --git a/ripd/subdir.am b/ripd/subdir.am
index f2c54c835..0d06e7e65 100644
--- a/ripd/subdir.am
+++ b/ripd/subdir.am
@@ -17,7 +17,7 @@ vtysh_scan += \
 if SNMP
 module_LTLIBRARIES += ripd/ripd_snmp.la
 endif
-rstman8_DATA += $(MANBUILD)/ripd.8
+man8 += $(MANBUILD)/ripd.8
 endif
 
 ripd_librip_a_SOURCES = \
diff --git a/ripngd/subdir.am b/ripngd/subdir.am
index 0948b2334..8f834a1d2 100644
--- a/ripngd/subdir.am
+++ b/ripngd/subdir.am
@@ -12,7 +12,7 @@ vtysh_scan += \
 	$(top_srcdir)/ripngd/ripng_zebra.c \
 	$(top_srcdir)/ripngd/ripngd.c \
 	# end
-rstman8_DATA += $(MANBUILD)/ripngd.8
+man8 += $(MANBUILD)/ripngd.8
 endif
 
 ripngd_libripng_a_SOURCES = \
diff --git a/sharpd/subdir.am b/sharpd/subdir.am
index ecc62af14..2a34aecfb 100644
--- a/sharpd/subdir.am
+++ b/sharpd/subdir.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES += sharpd/libsharp.a
 sbin_PROGRAMS += sharpd/sharpd
 dist_examples_DATA += sharpd/sharpd.conf.sample
 vtysh_scan += $(top_srcdir)/sharpd/sharp_vty.c
-rstman8_DATA += $(MANBUILD)/sharpd.8
+man8 += $(MANBUILD)/sharpd.8
 endif
 
 sharpd_libsharp_a_SOURCES = \
diff --git a/staticd/subdir.am b/staticd/subdir.am
index f1071545a..33cc0e205 100644
--- a/staticd/subdir.am
+++ b/staticd/subdir.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES += staticd/libstatic.a
 sbin_PROGRAMS += staticd/staticd
 dist_examples_DATA += staticd/staticd.conf.sample
 vtysh_scan += $(top_srcdir)/staticd/static_vty.c
-rstman8_DATA += $(MANBUILD)/staticd.8
+man8 += $(MANBUILD)/staticd.8
 endif
 
 staticd_libstatic_a_SOURCES = \
diff --git a/vtysh/subdir.am b/vtysh/subdir.am
index 3d40f37d2..932429a87 100644
--- a/vtysh/subdir.am
+++ b/vtysh/subdir.am
@@ -5,7 +5,7 @@
 if VTYSH
 bin_PROGRAMS += vtysh/vtysh
 dist_examples_DATA += vtysh/vtysh.conf.sample
-rstman1_DATA += $(MANBUILD)/vtysh.1
+man1 += $(MANBUILD)/vtysh.1
 endif
 
 vtysh_vtysh_SOURCES = \
diff --git a/watchfrr/subdir.am b/watchfrr/subdir.am
index 96df81d4a..f0b49c9a8 100644
--- a/watchfrr/subdir.am
+++ b/watchfrr/subdir.am
@@ -5,7 +5,7 @@
 if WATCHFRR
 sbin_PROGRAMS += watchfrr/watchfrr
 vtysh_scan += $(top_srcdir)/watchfrr/watchfrr_vty.c
-rstman8_DATA += $(MANBUILD)/watchfrr.8
+man8 += $(MANBUILD)/watchfrr.8
 endif
 
 noinst_HEADERS += \
diff --git a/zebra/subdir.am b/zebra/subdir.am
index 91bd792b0..a8c5afb1d 100644
--- a/zebra/subdir.am
+++ b/zebra/subdir.am
@@ -32,7 +32,7 @@ if FPM
 module_LTLIBRARIES += zebra/zebra_fpm.la
 endif
 
-rstman8_DATA += $(MANBUILD)/zebra.8
+man8 += $(MANBUILD)/zebra.8
 ## endif ZEBRA
 endif