Support GSSAPI builds where the header is <gssapi.h> and not <gssapi/gssapi.h>,

such as OpenBSD (possibly all Heimdal).

Stefan Kaltenbrunner

diff --git a/configure b/configure
index 1f13896cb11999fbc5de115fae89bd8271fd12fe..7c2fe47ff3f075aca7e449e7dc97a9b4a0d8d4fd 100755 (executable)
--- a/configure
+++ b/configure
@@ -6824,7 +6824,7 @@ fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 if test "$ac_cv_search_gss_init_sec_context" = no; then
-  for ac_lib in gssapi_krb5; do
+  for ac_lib in gssapi_krb5 'gssapi -lkrb5 -lcrypto'; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -10198,18 +10198,22 @@ fi
 fi
 
 if test "$with_gssapi" = yes ; then
-  if test "${ac_cv_header_gssapi_gssapi_h+set}" = set; then
-  echo "$as_me:$LINENO: checking for gssapi/gssapi.h" >&5
-echo $ECHO_N "checking for gssapi/gssapi.h... $ECHO_C" >&6
-if test "${ac_cv_header_gssapi_gssapi_h+set}" = set; then
+
+for ac_header in gssapi/gssapi.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_gssapi_gssapi_h" >&5
-echo "${ECHO_T}$ac_cv_header_gssapi_gssapi_h" >&6
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
 else
   # Is the header compilable?
-echo "$as_me:$LINENO: checking gssapi/gssapi.h usability" >&5
-echo $ECHO_N "checking gssapi/gssapi.h usability... $ECHO_C" >&6
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -10217,7 +10221,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-#include <gssapi/gssapi.h>
+#include <$ac_header>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
@@ -10253,15 +10257,15 @@ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
 echo "${ECHO_T}$ac_header_compiler" >&6
 
 # Is the header present?
-echo "$as_me:$LINENO: checking gssapi/gssapi.h presence" >&5
-echo $ECHO_N "checking gssapi/gssapi.h presence... $ECHO_C" >&6
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <gssapi/gssapi.h>
+#include <$ac_header>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
@@ -10295,25 +10299,25 @@ echo "${ECHO_T}$ac_header_preproc" >&6
 # So?  What about this header?
 case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
   yes:no: )
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: proceeding with the compiler's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
     ac_header_preproc=yes
     ;;
   no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: gssapi/gssapi.h: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: gssapi/gssapi.h: in the future, the compiler will take precedence" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
     (
       cat <<\_ASBOX
 ## ---------------------------------------- ##
@@ -10324,25 +10328,180 @@ _ASBOX
       sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
-echo "$as_me:$LINENO: checking for gssapi/gssapi.h" >&5
-echo $ECHO_N "checking for gssapi/gssapi.h... $ECHO_C" >&6
-if test "${ac_cv_header_gssapi_gssapi_h+set}" = set; then
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_cv_header_gssapi_gssapi_h=$ac_header_preproc
+  eval "$as_ac_Header=\$ac_header_preproc"
 fi
-echo "$as_me:$LINENO: result: $ac_cv_header_gssapi_gssapi_h" >&5
-echo "${ECHO_T}$ac_cv_header_gssapi_gssapi_h" >&6
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
 
 fi
-if test $ac_cv_header_gssapi_gssapi_h = yes; then
-  :
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else
+
+for ac_header in gssapi.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+        { ac_try='test -z "$ac_c_werror_flag"
+                        || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+        { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
 else
-  { { echo "$as_me:$LINENO: error: header file <gssapi/gssapi.h> is required for GSSAPI" >&5
-echo "$as_me: error: header file <gssapi/gssapi.h> is required for GSSAPI" >&2;}
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ---------------------------------------- ##
+## Report this to pgsql-bugs@postgresql.org ##
+## ---------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  { { echo "$as_me:$LINENO: error: gssapi.h header file is required for GSSAPI" >&5
+echo "$as_me: error: gssapi.h header file is required for GSSAPI" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
+done
+
+fi
+
+done
 
 fi
 

diff --git a/configure.in b/configure.in
index c01ae3fcd7f1698af5c925f705dfd1f3f795e5b6..3fe28e477e66abf0eba8d1b3e958bc166378f289 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.519 2007/07/12 14:10:39 mha Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.520 2007/07/12 14:36:52 mha Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -767,8 +767,8 @@ fi
 
 if test "$with_gssapi" = yes ; then
   if test "$PORTNAME" != "win32"; then
-    AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5], [],
-                  [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
+    AC_SEARCH_LIBS(gss_init_sec_context, [gssapi_krb5 'gssapi -lkrb5 -lcrypto'], [],
+                                 [AC_MSG_ERROR([could not find function 'gss_init_sec_context' required for GSSAPI])])
   else
     LIBS="$LIBS -lgssapi32"
   fi
@@ -870,7 +870,8 @@ Use --without-zlib to disable zlib support.])])
 fi
 
 if test "$with_gssapi" = yes ; then
-  AC_CHECK_HEADER(gssapi/gssapi.h, [], [AC_MSG_ERROR([header file <gssapi/gssapi.h> is required for GSSAPI])])
+  AC_CHECK_HEADERS(gssapi/gssapi.h, [],
+       [AC_CHECK_HEADERS(gssapi.h, [], [AC_MSG_ERROR([gssapi.h header file is required for GSSAPI])])])
 fi
 
 if test "$with_krb5" = yes ; then

diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 1b0356a02d80916e80a31a3bd98b857678614917..c8cd80958d9e04fd475190c0fc2afe027ca56c2a 100644 (file)
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.150 2007/07/11 08:27:33 mha Exp $
+ *       $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.151 2007/07/12 14:36:52 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -302,7 +302,11 @@ pg_krb5_recvauth(Port *port)
  *----------------------------------------------------------------
  */
 
+#if defined(HAVE_GSSAPI_H)
+#include <gssapi.h>
+#else
 #include <gssapi/gssapi.h>
+#endif
 
 #ifdef WIN32
 /*

diff --git a/src/include/libpq/libpq-be.h b/src/include/libpq/libpq-be.h
index 095ac91957fa03f52966848ffb574b9ca428fee2..5e15bcdec7330aef9817eae5304b73faa6d6e663 100644 (file)
--- a/src/include/libpq/libpq-be.h
+++ b/src/include/libpq/libpq-be.h
@@ -11,7 +11,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/libpq/libpq-be.h,v 1.59 2007/07/10 13:14:21 mha Exp $
+ * $PostgreSQL: pgsql/src/include/libpq/libpq-be.h,v 1.60 2007/07/12 14:36:52 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -30,8 +30,12 @@
 #endif
 
 #ifdef ENABLE_GSS
+#if defined(HAVE_GSSAPI_H)
+#include <gssapi.h>
+#else
 #include <gssapi/gssapi.h>
 #endif
+#endif
 
 #include "libpq/hba.h"
 #include "libpq/pqcomm.h"

diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index e2962d123c7a57773ea8c2d138940cd0e9ba290f..a0e451b0e0c5ff2bf6da24c2a49fb2741b1b1ec4 100644 (file)
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -172,6 +172,12 @@
 /* Define to 1 if you have the `getrusage' function. */
 #undef HAVE_GETRUSAGE
 
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_H
+
+/* Define to 1 if you have the <gssapi.h> header file. */
+#undef HAVE_GSSAPI_H
+
 /* Define to 1 if you have the <history.h> header file. */
 #undef HAVE_HISTORY_H
 

diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index f19ef07671d7781477bd07b8b1cf712055096535..ca92d44f8a957568fc9a7500f815e84a2cce67ee 100644 (file)
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -10,7 +10,7 @@
  * exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.125 2007/07/12 14:10:39 mha Exp $
+ *       $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.126 2007/07/12 14:36:52 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -329,7 +329,11 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
 /*
  * GSSAPI authentication system.
  */
+#if defined(HAVE_GSSAPI_H)
+#include <gssapi.h>
+#else
 #include <gssapi/gssapi.h>
+#endif
 
 #ifdef WIN32
 /*

diff --git a/src/interfaces/libpq/libpq-int.h b/src/interfaces/libpq/libpq-int.h
index cbefdd8e0fb768da48c5b0737f23c918866438f2..b497e1d68d1ac9552812f2a28838f8db43432a17 100644 (file)
--- a/src/interfaces/libpq/libpq-int.h
+++ b/src/interfaces/libpq/libpq-int.h
@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.122 2007/07/10 13:14:22 mha Exp $
+ * $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.123 2007/07/12 14:36:52 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -45,8 +45,12 @@
 #include "pqexpbuffer.h"
 
 #ifdef ENABLE_GSS
+#if defined(HAVE_GSSAPI_H)
+#include <gssapi.h>
+#else
 #include <gssapi/gssapi.h>
 #endif
+#endif
 
 #ifdef USE_SSL
 #include <openssl/ssl.h>