From c5d321c1b50ad5de2b2dbaafe28b64a042493005 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Sun, 8 May 2022 13:59:24 +0200
Subject: [PATCH] [configure] Check for libgen.h

---
 configure.ac                    | 1 +
 meson.build                     | 4 ++++
 src/document/html/parser/link.c | 6 ++++++
 3 files changed, 11 insertions(+)

diff --git a/configure.ac b/configure.ac
index 2bf90e5e..41188f79 100644
--- a/configure.ac
+++ b/configure.ac
@@ -207,6 +207,7 @@ AC_HEADER_TIME
 
 AC_CHECK_HEADERS(wchar.h wctype.h)
 AC_CHECK_HEADERS(fcntl.h limits.h time.h unistd.h)
+AC_CHECK_HEADERS(libgen.h)
 AC_CHECK_HEADERS(sigaction.h)
 AC_CHECK_HEADERS(arpa/inet.h)
 AC_CHECK_HEADERS(netinet/in_systm.h netinet/in_system.h netinet/ip.h)
diff --git a/meson.build b/meson.build
index e1fa0eda..9b5229d9 100644
--- a/meson.build
+++ b/meson.build
@@ -153,6 +153,10 @@ if compiler.has_header('fcntl.h')
     conf_data.set('HAVE_FCNTL_H', 1)
 endif
 
+if compiler.has_header('libgen.h')
+    conf_data.set('HAVE_LIBGEN_H', 1)
+endif
+
 if compiler.has_header('unistd.h')
     conf_data.set('HAVE_UNISTD_H', 1)
 endif
diff --git a/src/document/html/parser/link.c b/src/document/html/parser/link.c
index 4f1418be..5e82043f 100644
--- a/src/document/html/parser/link.c
+++ b/src/document/html/parser/link.c
@@ -8,7 +8,13 @@
 #define _GNU_SOURCE /* strcasestr() */
 #endif
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_LIBGEN_H
 #include <libgen.h> /* basename() */
+#endif
 
 #include <stdarg.h>
 #include <stdio.h>