From 4a3e43f2ff3fd8ed659cfc2c86e1cb1ee23b446f Mon Sep 17 00:00:00 2001
From: Guillaume BIENKOWSKI
 <guillaume.bienkowski@belledonne-communications.com>
Date: Thu, 23 Jan 2014 17:39:50 +0100
Subject: [PATCH] Use PKGCONFIG when possible for LDAP

---
 configure.ac        | 40 ++++++++++++++++++++++++++++++----------
 coreapi/Makefile.am |  5 +++--
 2 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index 218bc2784..fc5e5a52e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,19 +177,39 @@ AC_ARG_ENABLE(ldap,
 )
 
 if test "$enable_ldap" = "true"; then
-	AC_CHECK_LIB(sasl2, sasl_client_init , [foo=bar],
-		[AC_MSG_ERROR(You need SASL for LDAP support)]
+	PKG_CHECK_MODULES(LDAP, [openldap],[found_ldap=yes], [found_ldap=no])
+	if test  "$found_ldap" = "no"; then
+		AC_CHECK_LIB(ldap,ldap_initialize, [LDAP_LIBS="-lldap -llber"],
+			[AC_MSG_ERROR([You need libldap for LDAP support])]
 		)
-
-	AC_CHECK_LIB(ldap,ldap_initialize, LDAP_LIBS="-lldap -llber -lsasl2",
-		[AC_MSG_ERROR(You need libldap for LDAP support)]
-		)
-
-	AC_CHECK_HEADERS(ldap.h)
-	AC_CHECK_HEADERS(sasl/sasl.h)
+		AC_CHECK_HEADERS(ldap.h, [foo=bar], [AC_MSG_ERROR( [ldap.h not found] ) ] )
+		found_ldap=yes		
+	fi
+	
+	PKG_CHECK_MODULES(SASL, [libsasl2],[found_sasl=yes],[found_sasl=no] )
+	
+	if test "$found_sasl" = "no"; then
+		AC_CHECK_LIB(sasl2, sasl_client_init , [SASL_LIBS="-lsasl2"],
+			[AC_MSG_ERROR([You need SASL for LDAP support] ) ]
+			)
+		AC_CHECK_HEADERS(sasl/sasl.h,foo=bar, [AC_MSG_ERROR([sasl/sasl.h not found])])
+		found_sasl=yes	
+	fi
+	
+	AC_SUBST(LDAP_CFLAGS)
 	AC_SUBST(LDAP_LIBS)
-	AC_DEFINE(BUILD_LDAP,1,[Defined if LDAP build option enabled])
+	
+	AC_SUBST(SASL_CFLAGS)
+	AC_SUBST(SASL_LIBS)
+	
+	if test "$found_ldap$found_sasl" = "yesyes"; then
+		AC_DEFINE(BUILD_LDAP,1,[Defined if LDAP build option enabled])
+	else
+		AC_MSG_ERROR([Can't use LDAP due to previous errors])
+	fi
+
 fi
+
 AM_CONDITIONAL(BUILD_LDAP, test x$enable_ldap != xfalse)
 
 dnl conditionnal build of console interface.
diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index 61d240464..9673552e5 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -109,7 +109,7 @@ liblinphone_la_LIBADD= \
 		$(LIBSOUP_LIBS) \
 		$(SQLITE3_LIBS) \
 		$(LIBXML2_LIBS) \
-		$(LDAP_LIBS)
+		$(LDAP_LIBS) $(SASL_LIBS)
 
 
 if ENABLE_TESTS
@@ -144,7 +144,8 @@ AM_CFLAGS=\
 	$(VIDEO_CFLAGS) \
 	$(TUNNEL_CFLAGS) \
 	$(SQLITE3_CFLAGS) \
-	$(LIBXML2_CFLAGS)
+	$(LIBXML2_CFLAGS) \
+	$(LDAP_CFLAGS) $(SASL_CFLAGS)
 
 if BUILD_WIZARD
 AM_CFLAGS+= -DBUILD_WIZARD