From: Lev Stipakov <lstipakov@gmail.com>
Date: Sat, 14 Mar 2020 05:29:06 +0000 (+0200)
Subject: Fix building with --enable-async-push in FreeBSD
X-Git-Tag: v2.4.9~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8484f37a62ce4f1b8efe7644c6ddb28819c4f8ae;p=thirdparty%2Fopenvpn.git

Fix building with --enable-async-push in FreeBSD

This option can be used in FreedBSD with devel/libinotify installed.

Detect presence of libinotify with pkgconf and use its word
to compile and link.

Trac: #1256

Signed-off-by: Lev Stipakov <lstipakov@gmail.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20200314052906.28095-1-lstipakov@gmail.com>
URL: https://www.mail-archive.com/search?l=mid&q=20200314052906.28095-1-lstipakov@gmail.com
Signed-off-by: Gert Doering <gert@greenie.muc.de>
(cherry picked from commit e1eb630df1b3ef5df88afd51003fbec40e5d6d67)
---

diff --git a/configure.ac b/configure.ac
index e45ce2f30..469002817 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1328,11 +1328,25 @@ if test "${enable_plugin_auth_pam}" = "yes"; then
 fi
 
 if test "${enable_async_push}" = "yes"; then
-	AC_CHECK_HEADERS(
-		[sys/inotify.h],
-		AC_DEFINE([ENABLE_ASYNC_PUSH], [1], [Enable async push]),
-		AC_MSG_ERROR([inotify.h not found.])
-	)
+	case "$host" in
+		*-*-freebsd*)
+			PKG_CHECK_MODULES(
+				[OPTIONAL_INOTIFY],
+				[libinotify],
+				[
+					AC_DEFINE([HAVE_SYS_INOTIFY_H])
+					AC_DEFINE([ENABLE_ASYNC_PUSH], [1], [Enable async push])
+				]
+			)
+		;;
+		*)
+			AC_CHECK_HEADERS(
+				[sys/inotify.h],
+				AC_DEFINE([ENABLE_ASYNC_PUSH], [1], [Enable async push]),
+				AC_MSG_ERROR([inotify.h not found.])
+			)
+		;;
+	esac
 fi
 
 CONFIGURE_DEFINES="`set | grep '^enable_.*=' ; set | grep '^with_.*='`"
@@ -1359,6 +1373,8 @@ AC_SUBST([OPTIONAL_LZ4_LIBS])
 AC_SUBST([OPTIONAL_SYSTEMD_LIBS])
 AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS])
 AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS])
+AC_SUBST([OPTIONAL_INOTIFY_CFLAGS])
+AC_SUBST([OPTIONAL_INOTIFY_LIBS])
 
 AC_SUBST([PLUGIN_AUTH_PAM_CFLAGS])
 AC_SUBST([PLUGIN_AUTH_PAM_LIBS])
diff --git a/src/openvpn/Makefile.am b/src/openvpn/Makefile.am
index f3bf52f11..0ff23ba5d 100644
--- a/src/openvpn/Makefile.am
+++ b/src/openvpn/Makefile.am
@@ -28,6 +28,7 @@ AM_CFLAGS = \
 	$(OPTIONAL_LZO_CFLAGS) \
 	$(OPTIONAL_LZ4_CFLAGS) \
 	$(OPTIONAL_PKCS11_HELPER_CFLAGS) \
+	$(OPTIONAL_INOTIFY_CFLAGS) \
 	-DPLUGIN_LIBDIR=\"${plugindir}\"
 
 if WIN32
@@ -129,7 +130,8 @@ openvpn_LDADD = \
 	$(OPTIONAL_CRYPTO_LIBS) \
 	$(OPTIONAL_SELINUX_LIBS) \
 	$(OPTIONAL_SYSTEMD_LIBS) \
-	$(OPTIONAL_DL_LIBS)
+	$(OPTIONAL_DL_LIBS) \
+	$(OPTIONAL_INOTIFY_LIBS)
 if WIN32
 openvpn_SOURCES += openvpn_win32_resources.rc block_dns.c block_dns.h
 openvpn_LDADD += -lgdi32 -lws2_32 -lwininet -lcrypt32 -liphlpapi -lwinmm -lfwpuclnt -lrpcrt4 -lncrypt