Fix feature detections with CMake

* implement missing checks with CMake
* fixes and improve some detections
* remove missing but unused checks

Signed-off-by: OBATA Akio <obache@wizdas.com>
(cherry picked from commit ad41084b8dd4e029e04073e22e52164505719b57)

3 files changed, 32 insertions, 37 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8959857a9..8a8e310a0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ include( CheckCXXSourceCompiles )
 include( CheckTypeSize )
 include( CheckCSourceRuns )
 include( CheckLibraryExists )
+include( CheckStructHasMember )
 
 
 ##### include our cmake modules #################
@@ -329,7 +330,7 @@ check_function_exists( mkstemp HAVE_MKSTEMP )
 check_symbol_exists( mkstemp "stdlib.h" HAVE_MKSTEMP_PROTO )
 
 check_function_exists( mkstemps HAVE_MKSTEMPS )
-check_symbol_exists( mkstemps "stdlib.h" HAVE_MKSTEMPS_PROTO )
+check_symbol_exists( mkstemps "stdlib.h;unistd.h" HAVE_MKSTEMPS_PROTO )
 
 check_function_exists( initgroups HAVE_INITGROUPS )
 check_symbol_exists( initgroups "grp.h;unistd.h" HAVE_INITGROUPS_PROTO )
@@ -448,6 +449,7 @@ check_function_exists( putenv HAVE_PUTENV )
 check_function_exists( poll HAVE_POLL )
 check_function_exists( madvise HAVE_MADVISE )
 check_function_exists( getgroups HAVE_GETGROUPS )
+check_symbol_exists( posix_fadvise "fcntl.h" HAVE_FADVISE )
 check_function_exists( getcwd HAVE_GETCWD )
 check_function_exists( dlerror HAVE_DLERROR )
 if( NOT HAVE_DLERROR )
@@ -485,7 +487,13 @@ check_type_size( "unsigned long" SIZEOF_UNSIGNED_LONG )
 set( CMAKE_EXTRA_INCLUDE_FILES "netdb.h" )
 check_type_size( "struct addrinfo" STRUCT_ADDRINFO )
 set( CMAKE_EXTRA_INCLUDE_FILES "netinet/in.h" )
-check_type_size( "struct sockaddr_in6" HAVE_STRUCT_SOCKADDR_IN6 )
+check_type_size( "struct sockaddr_in6" STRUCT_SOCKADDR_IN6 )
+check_struct_has_member( "struct sockaddr_in6" sin6_scope_id "sys/types.h;sys/socket.h;netinet/in.h" HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID )
+check_struct_has_member( "struct sockaddr" sa_len "sys/types.h;sys/socket.h;netinet/in.h" HAVE_STRUCT_SOCKADDR_SA_LEN )
+check_struct_has_member( "struct sockaddr_un" sun_len "sys/types.h;sys/un.h" HAVE_STRUCT_SOCKADDR_UN_SUN_LEN )
+set( CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h" )
+check_type_size( "struct ucred" STRUCT_UCRED )
+check_struct_has_member( "struct sockaddr_in" sin_len "sys/types.h;sys/socket.h;netinet/in.h" HAVE_STRUCT_SOCKADDR_IN_SIN_LEN )
 unset( CMAKE_EXTRA_INCLUDE_FILES )
 
 check_c_source_compiles("
@@ -531,6 +539,8 @@ endif( NOT HAVE_GOOD_GETADDRINFO )
 # save CMAKE_REQUIRED_LIBRARIES
 set( bak_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} )
 
+check_symbol_exists( res_init "sys/types.h;netinet/in.h;arpa/nameser.h;resolv.h" HAVE_RES_INIT_PROTO )
+
 set( CMAKE_REQUIRED_LIBRARIES resolv )
 check_c_source_compiles("
   #include <sys/types.h>
@@ -613,6 +623,7 @@ if( NOT HAVE_LIBDL )
     set( HAVE_LIBDL 1 )
   endif( HAVE_DLOPEN )
 endif( NOT HAVE_LIBDL )
+check_library_exists( dld, dld_link "" HAVE_DLD )
 
 
 ##### check for magic ###########################
diff --git a/config.h.cmake b/config.h.cmake
index 426a6879a..dac584141 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -13,20 +13,9 @@
 #cmakedefine HAVE_DNSSD 1
 #cmakedefine AVAHI_API_0_6 1
 
-/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
-   systems. This function is required for `alloca.c' support on those systems.
-   */
-#undef CRAY_STACKSEG_END
-
-/* Define to 1 if using `alloca.c'. */
-#undef C_ALLOCA
-
 /* Use su or sudo */
 #define DEFAULT_SUPER_USER_COMMAND "@DEFAULT_SUPER_USER_COMMAND@"
 
-/* Define if getaddrinfo returns AF_UNIX sockets */
-#undef GETADDRINFO_RETURNS_UNIX
-
 /* getmntinfo() uses struct statvfs */
 #cmakedefine GETMNTINFO_USES_STATVFS
 
@@ -119,9 +108,6 @@
 /* Define to 1 if libbfd provides demangle.h header */
 #cmakedefine HAVE_DEMANGLE_H 1
 
-/* You _must_ have bool */
-#undef HAVE_BOOL
-
 /* Define if getaddrinfo is broken and should be replaced */
 #cmakedefine HAVE_BROKEN_GETADDRINFO 1
 
@@ -162,7 +148,7 @@
 #cmakedefine HAVE_DIRENT_H 1
 
 /* Define if you have the GNU dld library. */
-#undef HAVE_DLD
+#cmakedefine HAVE_DLD
 
 /* Define to 1 if you have the <dld.h> header file. */
 #cmakedefine HAVE_DLD_H 1
@@ -186,7 +172,7 @@
 #cmakedefine __KDE_HAVE_GCC_VISIBILITY 1
 
 /* Define is posix_fadvise is supported */
-#undef HAVE_FADVISE
+#cmakedefine HAVE_FADVISE
 
 /* Define if your system has libfam */
 #cmakedefine HAVE_FAM 1
@@ -299,9 +285,6 @@
 /* Define if you have jasper */
 #cmakedefine HAVE_JASPER 1
 
-/* Define if your locale.h file contains LC_MESSAGES */
-#undef HAVE_LC_MESSAGES
-
 /* Defines if your system has the libart library */
 #cmakedefine HAVE_LIBART 1
 
@@ -326,12 +309,6 @@
 /* Define if you have libpng */
 #cmakedefine HAVE_LIBPNG 1
 
-/* Define if you have a working libpthread (will enable threaded code) */
-#undef HAVE_LIBPTHREAD
-
-/* Define to 1 if you have the `qt-mt' library (-lqt-mt). */
-#undef HAVE_LIBQT_MT
-
 /* Defined if you have libthai and want to have it compiled in */
 #undef HAVE_LIBTHAI
 
@@ -407,9 +384,6 @@
 /* Define to 1 if you have the <net/if.h> header file. */
 #cmakedefine HAVE_NET_IF_H 1
 
-/* Define to 1 if you have the <nl_types.h> header file. */
-#undef HAVE_NL_TYPES_H
-
 /* Define if system has non-POSIX extensions to the ACL support. */
 #cmakedefine HAVE_NON_POSIX_ACL_EXTENSIONS 1
 
@@ -465,7 +439,7 @@
 #cmakedefine HAVE_RES_INIT 1
 
 /* Define if you have the res_init prototype */
-#undef HAVE_RES_INIT_PROTO
+#cmakedefine HAVE_RES_INIT_PROTO
 
 /* Define if revoke(tty) is present in unistd.h */
 #cmakedefine HAVE_REVOKE 1
@@ -588,13 +562,19 @@
 #cmakedefine HAVE_STRUCT_SOCKADDR_IN6 1
 
 /* Define to 1 if `sin6_scope_id' is member of `struct sockaddr_in6'. */
-#undef HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID
+#cmakedefine HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID 1
 
 /* Define to 1 if `sa_len' is member of `struct sockaddr'. */
-#undef HAVE_STRUCT_SOCKADDR_SA_LEN
+#cmakedefine HAVE_STRUCT_SOCKADDR_SA_LEN 1
+
+/* Define to 1 if `sin_len' is member of `struct sockaddr_in'. */
+#cmakedefine HAVE_STRUCT_SOCKADDR_IN_SIN_LEN 1
+
+/* Define to 1 if `sun_len' is member of `struct sockaddr_un'. */
+#cmakedefine HAVE_STRUCT_SOCKADDR_UN_SUN_LEN 1
 
 /* Define if struct ucred is present from sys/socket.h */
-#undef HAVE_STRUCT_UCRED
+#cmakedefine HAVE_STRUCT_UCRED 1
 
 /* Define to 1 if you have the <sysent.h> header file. */
 #cmakedefine HAVE_SYSENT_H 1
diff --git a/dcop/KDE-ICE/Xtranssock.c b/dcop/KDE-ICE/Xtranssock.c
index bb6d122bc..31a35fcd9 100644
--- a/dcop/KDE-ICE/Xtranssock.c
+++ b/dcop/KDE-ICE/Xtranssock.c
@@ -47,6 +47,10 @@ from The Open Group.
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <ctype.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -873,7 +877,7 @@ TRANS(SocketINETCreateListener) (XtransConnInfo ciptr, char *port)
     else
 	sockname.sin_port = htons (0);
 
-#ifdef BSD44SOCKETS
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
     sockname.sin_len = sizeof (sockname);
 #endif
     sockname.sin_family = AF_INET;
@@ -947,7 +951,7 @@ TRANS(SocketUNIXCreateListener) (XtransConnInfo ciptr, char *port)
     }
 
     namelen = sizeof( sockname ) - sizeof( sockname.sun_path ) + strlen( sockname.sun_path ) + 1;
-#if defined(BSD44SOCKETS)
+#if defined(HAVE_STRUCT_SOCKADDR_UN_SUN_LEN)
     sockname.sun_len = namelen;
 #endif
 
@@ -1278,7 +1282,7 @@ TRANS(SocketINETConnect) (XtransConnInfo ciptr, char *host, char *port)
      * Build the socket name.
      */
 
-#ifdef BSD44SOCKETS
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
     sockname.sin_len = sizeof (struct sockaddr_in);
 #endif
     sockname.sin_family = AF_INET;