Need to add AC_LANG_SOURCE to resolve autoreconf warnings.

Need to use an appropriate path for ldap.h.

On S12, we build with OpenLDAP.

On S11.3, the default is to build with OpenLDAP, but we can specifiy to build

with Mozilla LDAP instead by using --enable-openldap=no configure option.

--- libpki-0.8.9/configure.in	2016-06-01 15:47:12.987843577 -0700

+++ libpki-0.8.9/configure.in	2016-06-20 11:13:17.409345800 -0700

@@ -36,11 +36,20 @@

@@ -203,11 +212,13 @@

  *sun*) myarch=solaris

 		shlext=so

 		rpath_opt="-R "

+		enable_rpath=no

 		;;

  *solaris*)

 		myarch=solaris

 		shlext=so

 		rpath_opt="-R "

+		enable_rpath=no

 		;;

  *hpux*)        myarch=hpux

 		shlext=so

@@ -545,6 +556,7 @@

 ldap_vendor=

 ldap="yes"

+openldap="yes"

 ldap_prefix=""

 ldap_path=""

 ldap_cflags=""

@@ -562,6 +574,11 @@

 		[enable ldap support ( default is yes)]),

 		ldap=$enableval, ldap=yes )

+AC_ARG_ENABLE(openldap,

+	AC_HELP_STRING( [--enable-openldap],

+		[enable openldap support on Solaris 11.3 (default is yes)]),

+		openldap=$enableval, openldap=yes )

+

 if [[ "x$enable_iphone" = "xyes" ]] ; then

 	ldap="no"

 fi

@@ -780,12 +797,12 @@

 	LDFLAGS="$mysql_ldflags $mysql_ldadd"

 	ok=0

-	AC_RUN_IFELSE( [

+	AC_RUN_IFELSE([AC_LANG_SOURCE([

 		#include <mysql.h>

 		int main(void) {

 		        MYSQL *x;

 		        return(0);

-		}], [ ok=1 ], [ ok=0 ])

+		}])], [ ok=1 ], [ ok=0 ])

 	CFLAGS="$OLD_CFLAGS"

 	LDFLAGS="$OLD_LDFLAGS"

@@ -884,12 +901,12 @@

 	LDFLAGS="$pg_ldflags $pg_ldadd"

 	ok=0

-	AC_RUN_IFELSE( [

+	AC_RUN_IFELSE([AC_LANG_SOURCE([

 		#include <libpq-fe.h>

 		int main(void) {

 			PGconn *sql;

 		        return(0);

-		}], [ ok=1 ], [ ok=0 ])

+		}])], [ ok=1 ], [ ok=0 ])

 	CFLAGS="$OLD_CFLAGS"

 	LDFLAGS="$OLD_LDFLAGS"

--- libpki-0.8.9/acinclude.m4	2016-06-01 15:47:48.803434658 -0700

+++ libpki-0.8.9/acinclude.m4	2016-06-16 13:16:34.558401470 -0700

@@ -293,12 +293,12 @@

 dnl AC_MSG_RESULT([LD_LIBRARY_PATH=$library_path]);

-AC_RUN_IFELSE( [

+AC_RUN_IFELSE([AC_LANG_SOURCE([

 #include <openssl/x509.h>

 int main(void) {

 	X509 *x = NULL;

 	return(0);

-}], [ ok=1 ], [ ok=0 ])

+}])], [ ok=1 ], [ ok=0 ])

 CFLAGS=$old_cflags

 LDFLAGS=$old_ldflags

@@ -337,12 +337,12 @@

 AC_MSG_CHECKING([checking for $1 support]);

-AC_RUN_IFELSE( [

+AC_RUN_IFELSE([AC_LANG_SOURCE([

 #include <stdlib.h>

 int main(void)

 {

         return(0);

-}], [ _supported=yes ], [ _supported=no])

+}])], [ _supported=yes ], [ _supported=no])

 if [[ $_supported = no ]] ; then

         AC_MSG_RESULT([not supported]);

@@ -367,84 +367,62 @@

 AC_MSG_CHECKING([checking for ldap vendor]);

 if ! [[ "$_prefix" = "" ]] ; then

-	AC_DEFINE(LDAP_VENDOR_SUN)

-	AC_MSG_RESULT([yes])

-		AC_DEFINE(LDAP_VENDOR_OPENLDAP)

-		library_ldflags=[-L$_prefix/lib]

-		library_ldadd=[-lldap_r]

+	dnl A directory path where ldap.h exists.

+	dnl The deafult is $_prefix/include, but it can be different depending on

+	dnl operating systems and versions.

+	ldap_include_dir=$_prefix/include

+	if [[ "$myarch" = "solaris" ]] ; then

+		if [[ "$DIST_VERSION" = "5.12" ]] ; then

+			dnl On Solaris 12, we force to build with OpenLDAP.

+			AC_DEFINE(LDAP_VENDOR_OPENLDAP)

+			AC_MSG_RESULT([yes])

+			ldap_include_dir=$ldap_include_dir/openldap

+			library_ldflags=[-L$_prefix/lib]

+			library_ldadd=[-lldap_r]

+			dnl On Solaris 11.3, the default is to build with OpenLDAP,

+			dnl but when --enable-openldap=no configure option is specified,

+			dnl we build with Mozilla LDAP instead.

+			if [[ "x$openldap" = "xyes" ]] ; then

+				AC_DEFINE(LDAP_VENDOR_OPENLDAP)

+				AC_MSG_RESULT([yes])

+				ldap_include_dir=$ldap_include_dir/openldap

+				ldap_vendor="OPENLDAP"

+				library_ldflags=[-L$_prefix/lib]

+				library_ldadd=[-lldap_r]

+			else

+				AC_DEFINE(LDAP_VENDOR_SUN)

+				AC_MSG_RESULT([yes])

+				ldap_vendor="SUN"

+				ldap_lib=`ls "${_prefix}/lib/libldap.${shlext}" | head -n 1`;

+				if [[ -z "$ldap_lib" ]] ; then

+					AC_MSG_ERROR([*** LDAP: missing $_prefix/lib/libldap.$shlext!])

+				fi

+				library_ldflags=[-L$_prefix/lib]

+				library_ldadd=[-lldap]

+			fi

 	else

-		AC_MSG_ERROR([*** LDAP::No supported vendors found in ($_prefix)***])

-	fi

-

-	if [[ "$ldap_vendor" = "SUN" ]] ; then

-		if [[ -z "$ldap_lib" ]] ; then

-			AC_MSG_ERROR([*** LDAP: missing $_prefix/lib/libldap.$shlext!])

+		if $EGREP "OpenLDAP" "$ldap_include_dir/ldap.h" 2>&1 >/dev/null ; then

+			AC_DEFINE(LDAP_VENDOR_OPENLDAP)

+			AC_MSG_RESULT([yes])

+			ldap_vendor="OPENLDAP"

+			library_ldflags=[-L$_prefix/lib]

+			library_ldadd=[-lldap_r]

+		else

+			AC_MSG_ERROR([*** LDAP::No supported vendors found in ($ldap_include_dir)***])

-		library_ldflags=[-L$_prefix/lib]

-		library_ldadd=[-lldap]

-	library_cflags=[-I${_prefix}/include]

-

-old_cflags=$CFLAGS

-old_ldflags=$LDFLAGS

-old_ldadd=$LDADD

-

-CFLAGS=$library_cflags

-LDFLAGS=$library_ldflags

-LDADD=$library_ldadd

-

-AC_MSG_RESULT([LDAP SEARCH: CFLAGS: $library_cflags])

-AC_MSG_RESULT([LDAP SEARCH: LDFLAGS: $library_ldflags])

-AC_MSG_RESULT([LDAP SEARCH: LDADD: $library_ldadd])

-

-dnl AC_MSG_RESULT([LDAP VENDOR ===> searching for Sun])

-   AC_EGREP_CPP( [Sun],

-[

-#include <ldap.h>

-

-int main(void) {

-   char *p = LDAP_VENDOR_NAME;

-   return(0);

-}], 

-  	[

-	   AC_DEFINE(LDAP_VENDOR_SUN)

-	   ldap_vendor="SUN"

-        ])

-

-   if ! [[ "$ldap_vendor" = "SUN" ]] ; then

-   	dnl AC_MSG_CHECKING([checking for OpenLDAP vendor ($_prefix) ]);

-   	AC_EGREP_CPP( [OpenLDAP],

-[

-#include <ldap.h>

-

-int main(void) {

-   char *p = LDAP_VENDOR_NAME;

-   return(0);

-}], 

-  		[

-		   AC_DEFINE(LDAP_VENDOR_OPENLDAP)

-   		   dnl AC_MSG_CHECKING([checking for OpenLDAP vendor ($_prefix) ]);

-		   ldap_vendor="OPENLDAP"

-		])

-   fi

-

-LDFLAGS=$old_ldflags

-CFLAGS=$old_cflags

-LDADD=$old_ldadd

+	library_cflags=[-I$ldap_include_dir]

 else

-   AC_MSG_RESULT([LDAP VENDOR ($_prefix) ===> searching for Sun])

-   AC_EGREP_CPP( [Sun],

+	AC_MSG_RESULT([LDAP VENDOR ===> searching for Sun])

+	AC_EGREP_CPP( [Sun],

 [

 #include <ldap.h>

@@ -452,15 +430,15 @@

    char *p = LDAP_VENDOR_NAME;

    return(0);

 }], 

-  	[

-	   AC_DEFINE(LDAP_VENDOR_SUN)

-	   ldap_vendor="SUN"

+	[

+		AC_DEFINE(LDAP_VENDOR_SUN)

+		ldap_vendor="SUN"

 		library_ldadd="-lldap"

-        ])

+	])

-   if ! [[ "x$ldap_vendor" = "SUN" ]] ; then

-   	AC_MSG_CHECKING([checking for OpenLDAP vendor ($_prefix) ]);

-   	AC_EGREP_CPP( [OpenLDAP],

+	if ! [[ "x$ldap_vendor" = "SUN" ]] ; then

+		AC_MSG_CHECKING([checking for OpenLDAP vendor]);

+		AC_EGREP_CPP( [OpenLDAP],

 [

 #include <ldap.h>

@@ -468,16 +446,13 @@

    char *p = LDAP_VENDOR_NAME;

    return(0);

 }], 

-  		[

-		   AC_DEFINE(LDAP_VENDOR_OPENLDAP)

-		   ldap_vendor="OPENLDAP"

+		[

+			AC_DEFINE(LDAP_VENDOR_OPENLDAP)

+			ldap_vendor="OPENLDAP"

 			library_ldadd="-lldap_r"

 		])

-   fi

+	fi

 fi

-

-   AC_MSG_RESULT([LDAP VENDOR: $ldap_vendor]);

-

 ])

 AC_DEFUN(CHECK_EC, [

@@ -548,7 +523,7 @@

 dnl fi

 dnl ])

-dnl AC_RUN_IFELSE( [

+dnl AC_RUN_IFELSE([AC_LANG_SOURCE([

 dnl #include <openssl/ec.h>

 dnl #include <openssl/ecdsa.h>

 dnl #include <openssl/opensslconf.h>

@@ -559,7 +534,7 @@

 dnl #endif

 dnl 	EC_KEY *d = NULL;

 dnl 	return(0);

-dnl }], [ 

+dnl }])], [ 

 dnl 	AC_DEFINE([ENABLE_ECDSA], 1, [ECC Support for OpenSSL])

 dnl 	activate_ecdsa=yes

 dnl ], [activate_ecdsa=no])

@@ -576,13 +551,13 @@

 dnl fi

 AC_DEFUN(AC_OPENSSL_OCSP,

-[ AC_RUN_IFELSE( [

+[ AC_RUN_IFELSE([AC_LANG_SOURCE([

 #include <openssl/ocsp.h>

 int main(void)

 {

 	OCSP_CERTID *cid = NULL;

 	return(0);

-}], [ AC_DEFINE(HAVE_OCSP) ], [ocsp_error=1])

+}])], [ AC_DEFINE(HAVE_OCSP) ], [ocsp_error=1])

 if [[ ocsp_error = 1 ]] ; then

 	AC_MSG_RESULT([checking for OpenSSL OCSP support ... no])

@@ -611,19 +586,19 @@

 ])

 AC_DEFUN(AC_GCC_CHECK_PRAGMA_IGNORED,

-[ AC_RUN_IFELSE( [

+[ AC_RUN_IFELSE([AC_LANG_SOURCE([

 #include <stdio.h>

 #pragma GCC diagnostic ignored "-Wconversion"

 int main(void)

 {

 	return(0);

 }

-],[ AC_DEFINE(HAVE_GCC_PRAGMA_IGNORED, 1, [GCC pragma ignored]) ], [])

+])],[ AC_DEFINE(HAVE_GCC_PRAGMA_IGNORED, 1, [GCC pragma ignored]) ], [])

 ])

 AC_DEFUN(AC_GCC_CHECK_PRAGMA_POP,

-[ AC_RUN_IFELSE( [

+[ AC_RUN_IFELSE([AC_LANG_SOURCE([

 #include <stdio.h>

 #pragma GCC diagnostic ignored "-Wconversion"

 int main(void)

@@ -631,7 +606,7 @@

 	return(0);

 }

 #pragma GCC diagnostic pop

-], [ AC_DEFINE(HAVE_GCC_PRAGMA_POP, 1, [GCC pragma pop]) ], [])

+])], [ AC_DEFINE(HAVE_GCC_PRAGMA_POP, 1, [GCC pragma pop]) ], [])

 ])