[PATCH] configure: Don't check for gssapi-krb5 if krb5 is missing

[Andrew Eikum]

This works around a broken krb5 package in CentOS which is missing a
dependency. configure would find gssapi-krb5, but not krb5, which would
cause a build failure later in <dlls/kerberos>.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48314
Signed-off-by: Andrew Eikum <aeikum(a)codeweavers.com>
---
 configure.ac | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/configure.ac b/configure.ac
index 8a121bce016..c8399de6ebf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1825,21 +1825,24 @@ WINE_NOTICE_WITH(krb5,[test "x$ac_cv_lib_soname_krb5" = "x"],
                  [libkrb5 ${notice_platform}development files not found (or too old), Kerberos won't be supported.])
 
 dnl **** Check for gssapi ****
-if test "x$with_gssapi" != "xno"
+if test "x$ac_cv_lib_soname_krb5" != "x" -o "x$with_gssapi" = "xyes"
 then
-    WINE_PACKAGE_FLAGS(GSSAPI,[krb5-gssapi],,
-                       [`${KRB5_CONFIG:-krb5-config} --cflags gssapi 2>/dev/null`],
-                       [`${KRB5_CONFIG:-krb5-config} --libs gssapi 2>/dev/null`],
-        [AC_CHECK_HEADERS([gssapi/gssapi.h gssapi/gssapi_ext.h])
-        if test "$ac_cv_header_gssapi_gssapi_h" = "yes" -a "$ac_cv_header_gssapi_gssapi_ext_h" = "yes"
-        then
-            WINE_CHECK_SONAME(gssapi_krb5, gss_init_sec_context,,[GSSAPI_CFLAGS=""],[$GSSAPI_LIBS])
-        else
-            GSSAPI_CFLAGS=""
-        fi])
+    if test "x$with_gssapi" != "xno"
+    then
+        WINE_PACKAGE_FLAGS(GSSAPI,[krb5-gssapi],,
+                           [`${KRB5_CONFIG:-krb5-config} --cflags gssapi 2>/dev/null`],
+                           [`${KRB5_CONFIG:-krb5-config} --libs gssapi 2>/dev/null`],
+            [AC_CHECK_HEADERS([gssapi/gssapi.h gssapi/gssapi_ext.h])
+            if test "$ac_cv_header_gssapi_gssapi_h" = "yes" -a "$ac_cv_header_gssapi_gssapi_ext_h" = "yes"
+            then
+                WINE_CHECK_SONAME(gssapi_krb5, gss_init_sec_context,,[GSSAPI_CFLAGS=""],[$GSSAPI_LIBS])
+            else
+                GSSAPI_CFLAGS=""
+            fi])
+    fi
+    WINE_NOTICE_WITH(gssapi,[test "x$ac_cv_lib_soname_gssapi_krb5" = "x"],
+                     [libgssapi_krb5 ${notice_platform}development files not found (or too old), no Kerberos SSP support.])
 fi
-WINE_NOTICE_WITH(gssapi,[test "x$ac_cv_lib_soname_gssapi_krb5" = "x"],
-                 [libgssapi_krb5 ${notice_platform}development files not found (or too old), no Kerberos SSP support.])
 
 dnl **** Check for libjpeg ****
 if test "x$with_jpeg" != "xno"
-- 
2.24.1