From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 18 May 2026 17:18:50 +0000 (+0000)
Subject: configure: Search for bind headers in /usr/include/bind9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ffd3e8f53a176dd0d920e6a9a3bca731a2bce022;p=zone-sync.git

configure: Search for bind headers in /usr/include/bind9

Fedora is packaging the headers in a different place.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/Makefile.am b/Makefile.am
index 355d9fd..0b437cd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -58,7 +58,8 @@ zone_sync_SOURCES = \
 	main.c
 
 zone_sync_CPPFLAGS = \
-	$(AM_CPPFLAGS)
+	$(AM_CPPFLAGS) \
+	$(BIND_CPPFLAGS)
 
 zone_sync_CFLAGS = \
 	$(AM_CFLAGS) \
diff --git a/configure.ac b/configure.ac
index 176c468..ce15c9b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,6 +137,32 @@ PKG_CHECK_MODULES([LIBUV], [libuv])
 PKG_CHECK_MODULES([OPENSSL], [openssl])
 AX_PTHREAD([], [AC_MSG_ERROR([pthread support is required])])
 
+AC_MSG_CHECKING([for BIND headers])
+BIND_CPPFLAGS=""
+for dir in "" "/usr/include/bind9"; do
+	save_CPPFLAGS="$CPPFLAGS"
+	if test -n "$dir"; then
+		CPPFLAGS="$CPPFLAGS -I$dir"
+	fi
+	AC_PREPROC_IFELSE(
+		[AC_LANG_PROGRAM([[#include <dns/zone.h>]], [[]])],
+		[
+			BIND_CPPFLAGS="${dir:+-I$dir}"
+			CPPFLAGS="$save_CPPFLAGS"
+			break
+		],
+		[CPPFLAGS="$save_CPPFLAGS"])
+done
+
+if test -z "$BIND_CPPFLAGS" && ! echo "#include <dns/zone.h>" | $CPP $CPPFLAGS - >/dev/null 2>&1; then
+	AC_MSG_RESULT([not found])
+	AC_MSG_ERROR([BIND development headers required])
+else
+	AC_MSG_RESULT([${BIND_CPPFLAGS:-default path}])
+fi
+
+AC_SUBST([BIND_CPPFLAGS])
+
 # libisc and libdns themselves — no .pc files, so link-test directly.
 # Order matters: libdns depends on libisc.
 BIND_LIBS="-ldns -lisc $LIBUV_LIBS $OPENSSL_LIBS $PTHREAD_LIBS -ldl"