From e4b04ae15363ee8b2159dbc2586fbf93792598f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ingo=20Kl=C3=B6cker?= <dev@ingo-kloecker.de>
Date: Tue, 17 Sep 2024 14:30:57 +0200
Subject: doc,build: Fix "make install" if yat2m isn't available

* configure.ac: Add hint for YAT2M variable. Set HAVE_YAT2M if yat2m was
found.
* doc/Makefile.am (myman_pages): Set to empty string if yat2m isn't
available
--
---
 configure.ac    | 2 ++
 doc/Makefile.am | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index f64f252d..648a0801 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,6 +105,8 @@ AM_SILENT_RULES
 AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory])
 
 AC_PATH_PROG(YAT2M, [yat2m], [:])
+AC_ARG_VAR(YAT2M, [tool to convert texi to man pages])
+AM_CONDITIONAL(HAVE_YAT2M, test "$ac_cv_path_YAT2M" != ":")
 
 # Enable GNU extensions on systems that have them.
 AC_USE_SYSTEM_EXTENSIONS
diff --git a/doc/Makefile.am b/doc/Makefile.am
index cee802d5..584a6f85 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -31,7 +31,11 @@ BUILT_SOURCES = defsincdate defs.inc
 YAT2M_OPTIONS = -I $(srcdir) --release "GPGME @PACKAGE_VERSION@"
 
 myman_sources = gpgme-json.texi
+if HAVE_YAT2M
 myman_pages = gpgme-json.1
+else
+myman_pages =
+endif
 
 man_MANS = $(myman_pages)
 
-- 
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