cmake: Correctly detect if glob has gl_flags member

Thanks to Baruch Siach.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

ConfigureChecks.cmake

@@ -4,7 +4,7 @@ include(CheckSymbolExists)
 include(CheckFunctionExists)
 include(CheckLibraryExists)
 include(CheckTypeSize)
-include(CheckCXXSourceCompiles)
+include(CheckStructHasMember)
 include(TestBigEndian)
 
 set(PACKAGE ${PROJECT_NAME})
@@ -156,7 +156,8 @@ check_function_exists(explicit_bzero HAVE_EXPLICIT_BZERO)
 check_function_exists(memset_s HAVE_MEMSET_S)
 
 if (HAVE_GLOB_H)
-  check_function_exists(glob HAVE_GLOB)
+    check_struct_has_member(glob_t gl_flags glob.h HAVE_GLOB_GL_FLAGS_MEMBER)
+    check_function_exists(glob HAVE_GLOB)
 endif (HAVE_GLOB_H)
 
 if (NOT WIN32)

config.h.cmake

@@ -89,6 +89,9 @@
 /* Define to 1 if you have DSA */
 #cmakedefine HAVE_DSA 1
 
+/* Define to 1 if you have gl_flags as a glob_t sturct member */
+#cmakedefine HAVE_GLOB_GL_FLAGS_MEMBER 1
+
 /*************************** FUNCTIONS ***************************/
 
 /* Define to 1 if you have the `EVP_aes128_ctr' function. */

src/config.c

@@ -347,7 +347,7 @@ static void local_parse_file(ssh_session session, const char *filename, int *par
   return;
 }
 
-#ifdef HAVE_GLOB
+#if defined(HAVE_GLOB) && defined(HAVE_GLOB_GL_FLAGS_MEMBER)
 static void local_parse_glob(ssh_session session,
                              const char *fileglob,
                              int *parsing,
@@ -376,7 +376,7 @@ static void local_parse_glob(ssh_session session,
 
     globfree(&globbuf);
 }
-#endif /* HAVE_GLOB */
+#endif /* HAVE_GLOB HAVE_GLOB_GL_FLAGS_MEMBER */
 
 static enum ssh_config_match_e
 ssh_config_get_match_opcode(const char *keyword)