From: Wouter Wijngaards <wouter@NLnetLabs.nl>
Date: Wed, 5 Jul 2006 07:26:37 +0000 (+0000)
Subject: Detects the libraries that a program using ldns must link with (i.e.
X-Git-Tag: release-1.1.0~39
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eabb047ea49f04565468194031948ba459cebe8a;p=thirdparty%2Fldns.git

Detects the libraries that a program using ldns must link with (i.e.
-lsocket -lnsl on Solaris), for the linktest. linktest uses cflags
and cppflags that have been set so carefully.
---

diff --git a/Makefile.in b/Makefile.in
index 2a2e0fc6..67c58018 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -23,6 +23,7 @@ CFLAGS 		= @CFLAGS@  -I. -I$(srcdir)
 LDFLAGS		= @LDFLAGS@
 LIBS 		= @LIBS@
 LIBOBJS		= @LIBOBJS@
+PROG_LIBS	= @PROG_LIBS@
 DATE		= $(shell date +%Y%m%d)
 LIBTOOL		= $(libtool) --tag=CC
 
@@ -77,7 +78,7 @@ LINK_LIB	= $(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -release $(VERSION)
 all:		copy-headers lib linktest
 
 linktest:
-		gcc $(srcdir)/linktest.c -Iinclude -I$(srcdir) .libs/libldns.a $(LDFLAGS) -o linktest
+		gcc $(srcdir)/linktest.c $(CPPFLAGS) $(CFLAGS) .libs/libldns.a $(LDFLAGS) $(PROG_LIBS) -o linktest
 		rm linktest
 
 lib:		$(LIBDNS_OBJECTS) b64_pton$U.o b64_ntop$U.o
diff --git a/configure.ac b/configure.ac
index 1726bf5a..15eb9af9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,6 +78,10 @@ fi
 AC_CHECK_PROG(doxygen, doxygen, doxygen)
 
 # Checks for libraries.
+AC_CHECK_LIB(socket, socket, [PROG_LIBS="-lsocket $PROG_LIBS"], [])
+AC_CHECK_LIB(nsl, inet_pton, [PROG_LIBS="-lnsl $PROG_LIBS"], [])
+AC_SUBST(PROG_LIBS)
+
 # Check for SSL, original taken from
 # http://www.gnu.org/software/ac-archive/htmldoc/check_ssl.html and
 # modified for NSD and